竜巻を生み出すスーパーセルとは? 栃木と埼玉の竜巻を引き起こした可能性強まる【写真】

関東地方に竜巻が相次いで発生し、家屋の一部が吹き飛ばされたり、けが人が出るなど多大な被害をもたらしている。では、埼玉県越谷市周辺で527棟の建物が損壊。では、栃木県矢板市周辺で173棟が被害を受けていた。これらの竜巻は、いずれも巨大積乱雲「スーパーセル」が引き起こした可能性が強まっている。
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Osage County, Oklahoma.
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関東地方に竜巻が相次いで発生し、家屋の一部が吹き飛ばされたり、けが人が出るなど多大な被害をもたらしている。9月2日の竜巻では、埼玉県越谷市周辺で527棟の建物が損壊。9月4日の竜巻では、栃木県矢板市周辺で173棟が被害を受けていた。これらの竜巻は、いずれも巨大積乱雲「スーパーセル」が引き起こした可能性が強まっている。

スーパーセル写真集
Sean Heavey's Spectacular Thunderstorm Photos(01 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: The belly of a super cell thunderstorm as it continues unabated across the plains on July 28, 2010, causing minimal damage as it does so, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(02 of111)
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GLASGOW, MT - JULY 2010. EXCLUSIVE: The probing front fingers of an approaching thunderstorm, in July 2010 in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(03 of111)
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GLASGOW, MT - JULY 2007. EXCLUSIVE: A super cell thunderstorm descends in July 2007 over the sleepy town of Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(04 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: A truck driving into a super cell thunderstorm on the evening of July 28, 2010, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(05 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: The formation of a super cell thunderstorm on the evening of July 28, 2010, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(06 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: The super cell storm continues unabated across the plains on July 28, 2010, causing minimal damage as it does so, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(07 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: The super cell storm continues unabated across the plains on July 28, 2010, causing minimal damage as it does so, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(08 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: Lightning strikes too close as the super cell storm continues unabated across the plains on July 28, 2010, causing minimal damage as it does so, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(09 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: The beginnings of a super cell thunderstorm on the evening of July 28, 2010, on the prairie in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(10 of111)
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GLASGOW, MT - MAY 2008. EXCLUSIVE: Lightning strikes illuminating the night sky in May 2008, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(11 of111)
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GLASGOW, MT - AUGUST 2010. EXCLUSIVE: The super cell thunderstorm forming on the prairie in August 2010 in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(12 of111)
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SAINT MARIE, MT - AUGUST 2010. EXCLUSIVE: Rain feathers dancing across the western prairie in August 2010, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
This highway leads right into the supercell.(13 of111)
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This highway leads right into the supercell. (credit:Getty Images)
A truck flees a supercell west of Greensburg, Kansas.(14 of111)
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A truck flees a supercell west of Greensburg, Kansas. (credit:Getty Images)
A car flees a supercell west of Greensburg, Kansas.(15 of111)
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A car flees a supercell west of Greensburg, Kansas. (credit:Getty Images)
This highway leads right into the supercell.(16 of111)
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This highway leads right into the supercell. (credit:Getty Images)
The National Weather Service issued a tornado warning for this rotating supercell.(17 of111)
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The National Weather Service issued a tornado warning for this rotating supercell. (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(18 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: The super cell storm continues unabated across the plains, on July 28, 2010, causing minimal damage as it does so in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sunset thunderstorm supercell(19 of111)
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Large thunderstorm over soybean field with rainbow and rain column in center. (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(20 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: A shelf cloud passes overhead as the super cell storm continues unabated across the plains on July 28, 2010, causing minimal damage as it does so, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(21 of111)
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GLASGOW, MT - AUGUST 2010. EXCLUSIVE: A rain squall line racing over the prairie in August, 2010 in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(22 of111)
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GLASGOW, MT - JUNE 2006. EXCLUSIVE: The super cell summer thunderstorm brings destructive hail to the wheat crop, in June 2006 in the fields of Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(23 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: A super cell thunderstorm crosses a man\'s path and continues unabated across the plains on July 28, 2010, causing minimal damage as it does so, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(24 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: The setting sun paints the torrential downpour as the super cell storm continues unabated across the plains on July 28, 2010, causing minimal damage as it does so, in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(25 of111)
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GLASGOW, MT - JULY 28. EXCLUSIVE: A massive super cell thunderstorm shadows the sun and continues unabated across the plains on July 28, 2010, causing minimal damage as it does so in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
LP supercell near Hays(26 of111)
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A Low Precipitation supercell storm above a road near Hays, Kansas, May 27, 2012. (credit:Getty Images)
Supercell thunderstorm over the Great Plains(27 of111)
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An incredible supercell thunderstorm and mammatus clouds roll over the great plains in mid summer creating 100 mph winds and tornadoes. (credit:Getty Images)
Doppler Radar Truck(28 of111)
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[UNVERIFIED CONTENT] A doppler radar truck with the Center for Severe Weather Research scans a developing supercell thunderstorm near Hays, Kansas, May 25, 2012. These weather scientists crisscross the United States each year to gather data about tornadoes and the storms that create them. (credit:Getty Images)
CSWR storm chaser(29 of111)
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[UNVERIFIED CONTENT] Storm chasing vehicles with the Center for Severe Weather Research watch and wait as a supercell thunderstorm approaches near Hays, Kansas, May 25, 2012. These weather scientists crisscross the United States each year to gather data about tornadoes and the storms that create them. (credit:Getty Images)
Rear flank Downdraft(30 of111)
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The rear flank downdraft of a supercell storm kicks up dirt near Seward, Nebraska. (credit:Getty Images)
Supercell Thunderstorm(31 of111)
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An incredible Supercell Thunderstorm on the great plains in Montana, USA (credit:Getty Images)
Supercell Thunderstorm on the Great Plains(32 of111)
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An incredible cumulous cloud front to a supercell thunderstorm on the great plains, USA. (credit:Getty Images)
Storm Chasing 641(33 of111)
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[UNVERIFIED CONTENT] Storm Chasing holiday with NetWeather, May 2013. Supercell seen in Harper County, Oklahoma (credit:Getty Images)
Storm Chasing 642(34 of111)
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[UNVERIFIED CONTENT] Storm Chasing holiday with NetWeather, May 2013. Supercell seen in Harper County, Oklahoma. (credit:Getty Images)
Storm Chasing 611(35 of111)
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[UNVERIFIED CONTENT] Blonde lady in pink shorts looking at growing supercell storm on a county road in Oklahoma (credit:Getty Images)
Tornado warned supercell with wall cloud(36 of111)
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[UNVERIFIED CONTENT] This is an image of a wall cloud with a developing inflow tail on a tornado warned supercell in South Virginia. The storm had produced a brief tornado about 20 minutes before this image was taken. Classic wall cloud and inflow tail structure. (credit:Getty Images)
Raging Sky(37 of111)
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Lightning bolt illuminates a very impressive mesocyclone of a supercell storm over the open field in Texas (credit:Getty Images)
Perfect Circle(38 of111)
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Mothership Vega,TXA supercell storm moves through the open field in Texas. This storms was well shaped and came with deadly lightning and damaging winds. (credit:Getty Images)
Deadly Storm Chaser Roger Hill(39 of111)
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SOUTH DAKOTA - JULY 14: EXCLUSIVE A lightning storm lights up the sky as a super cell forms on July 14, 2011 in South Dakota. Demonstrating the terrifying power of nature, these tornado-scapes document the most deadly American storm season in living memory. All the photographs were taken by one man, Roger Hill, who has chased and observed the famous \'tornado alley\' of the mid-western United States for the past 25 years. In those two and a half decades Roger has witnessed 200 mph twisters one mile wide, but despite having seen over 600 tornados in his lifetime, never has Roger known a more tragic and lethal season. To date this year 546 people have lost their lives to storms and Roger has had an unenviable front seat to history, helped survivors and even come close to losing his own life to the deadly twisters. (Photo by Roger Hill / Barcroft USA / Getty Images) (credit:Getty Images)
Tornado and Lightning Bolt(40 of111)
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A powerful thunderstorm producing a tornado and lightning. (credit:Getty Images)
Farm road storm(41 of111)
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Anvil cloud and supercell that was part of line of storms that tore up Missouri and Arkansas. (credit:Getty Images)
Sean Heavey's Spectacular Thunderstorm Photos(42 of111)
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GLASGOW, MT - JULY 2010. EXCLUSIVE: This supercell cloud caused minor damage, and lasted several hours before moving on in July 2010 in Glasgow, Montana. Like scenes of the apocalypse these incredible images are the stunning results of one man\'s mission to capture stormy skies on camera. One extraordinary picture in his collection is rapidly earning the nickname \'Eye of God\' and shows a super-cell storm unleashing a powerful torrent of rain down onto a Montana field. Looking like a natural phenomenon of biblical proportions, the photograph is just one image from the portfolio of electrician Sean Heavey. Officially titled \'Mothership\', married Sean, 34, an amateur photographer, created the jaw-dropping panoramic image by stitching together three photos from the 400 frames he took of the violent scene he witnessed in July. The dangerous outbreak of weather raged for several hours and caused minor damage to local communities - while watchful Sean, from Glasgow, Montana, captured all its devastating beauty from a distance. Taking photographs of storms for the past seven years, this year Sean and his masterpiece are up for a prestigious award from National Geographic. \'I felt that if you could walk inside the rain and the wind right into the centre of the storm and stare up, then it would have been like looking into God\'s eye.\' (Photo by Sean Heavey / Barcroft Media / Getty Images) (credit:Getty Images)
Deadly Storm Chaser Roger Hill(43 of111)
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TOPEKA, KANSAS - MAY 21: EXCLUSIVE A super cell over Topeka that was part of the storm system of May 21st to 26 that killed 177 people is pictured on May 21, 2011 in Topeka, Kansas. Demonstrating the terrifying power of nature, these tornado-scapes document the most deadly American storm season in living memory. All the photographs were taken by one man, Roger Hill, who has chased and observed the famous \'tornado alley\' of the mid-western United States for the past 25 years. In those two and a half decades Roger has witnessed 200 mph twisters one mile wide, but despite having seen over 600 tornados in his lifetime, never has Roger known a more tragic and lethal season. To date this year 546 people have lost their lives to storms and Roger has had an unenviable front seat to history, helped survivors and even come close to losing his own life to the deadly twisters. (Photo by Roger Hill / Barcroft USA / Getty Images) (credit:Getty Images)
Deadly Storm Chaser Roger Hill(44 of111)
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SOUTH DAKOTA - JULY 14: EXCLUSIVE A lightning storm lights up the sky as a super cell forms on July 14, 2011 in South Dakota. Demonstrating the terrifying power of nature, these tornado-scapes document the most deadly American storm season in living memory. All the photographs were taken by one man, Roger Hill, who has chased and observed the famous \'tornado alley\' of the mid-western United States for the past 25 years. In those two and a half decades Roger has witnessed 200 mph twisters one mile wide, but despite having seen over 600 tornados in his lifetime, never has Roger known a more tragic and lethal season. To date this year 546 people have lost their lives to storms and Roger has had an unenviable front seat to history, helped survivors and even come close to losing his own life to the deadly twisters. (Photo by Roger Hill / Barcroft USA / Getty Images) (credit:Getty Images)
Nebraska storm(45 of111)
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Super cell thunderstorm near Oxford, Nebraska, USA. (credit:Getty Images)
Super Cell Thunderstorm(46 of111)
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Aerial view of a 60,000 foot tall super cell thunderstorm over central Texas (credit:Getty Images)
Nebraska Supercell / Arcus / Shelf Cloud!(47 of111)
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Perfect Supercell with best light conditions anyone could. (credit:Getty Images)
Deadly Storm Chaser Roger Hill(48 of111)
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SOUTH DAKOTA - JULY 17: EXCLUSIVE A super cell storm system forms over the plains of South Dakota on July 17, 2011 in South Dakota. Demonstrating the terrifying power of nature, these tornado-scapes document the most deadly American storm season in living memory. All the photographs were taken by one man, Roger Hill, who has chased and observed the famous \'tornado alley\' of the mid-western United States for the past 25 years. In those two and a half decades Roger has witnessed 200 mph twisters one mile wide, but despite having seen over 600 tornados in his lifetime, never has Roger known a more tragic and lethal season. To date this year 546 people have lost their lives to storms and Roger has had an unenviable front seat to history, helped survivors and even come close to losing his own life to the deadly twisters. (Photo by Roger Hill / Barcroft USA / Getty Images) (credit:Getty Images)
Wicksville super cell, South Dakota(49 of111)
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This picture was taken while storm chasing in tornado alley. A dirt road runs into the country side with a stormy dark looking super cell hangs over the road. Taken near Wicksville, South Dakota, May 2013. (credit:Getty Images)
Roger Hill's Storm Chasing Tour(50 of111)
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SIDNEY, NE - JUNE 6: A general view of a beautiful supercell storm on June 6, 2010 near Sidney, Nebraska, USA. This storm produced hail the size of tennis balls. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(51 of111)
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CHILDRESS, TX - MAY 31: A magnificent high precipitation supercell storm producing hail the size of grapefruit on May 31, 2001 near Childress, Texas. Caused significant damage in northwest Texas. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Storm cloud(52 of111)
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Storm cloud over field of cereal (credit:Getty Images)
Large Nebraska HP Supercell(53 of111)
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Perfect Light creates perfect best Panos of any Nebraska Supercell. (credit:Getty Images)
coloradopano7(54 of111)
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A tornado-warned HP supercell in Colorado. (credit:Getty Images)
Roger Hill's Storm Chasing Tour(55 of111)
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BARNARD, SD - JUNE 23: A beautiful but dangerous F4 tornado on June 23, 2002 near Barnard, South Dakota. This tornado was the most violent tornado to ever hit northeast South Dakota. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(56 of111)
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CONGER, MN - JUNE 17: A general view of a violent EF4 tornado on June 17, 2010 near Conger, Minnesota. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(57 of111)
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CAMPO, CO MAY 31: Here is a shot of 53 year old Roger Hill in front of one of the prettiest tornadoes of 2010 on May 31, 2010 near Campo, Colorado. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(58 of111)
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ROBY, TX - JUNE 21: Several UK tourists watch a tornado storm on June 21, 2009 near Roby, Texas. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(59 of111)
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LAGRANGE, WY - JUNE 5: A shot of Roger Hill\'s wife, 50 year old Caryn on June 5, 2009 in front of the famous LaGrange, tornado in Wyoming. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(60 of111)
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GOODNIGHT, TX - APRIL 22: High contrast tornado on April 22, 2010 near Goodnight, Texas. This tornado came within a half mile of the group. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Supercell thunderstorm(61 of111)
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Supercell thunderstorm near Deer Trail, Colorado, USA. (credit:Getty Images)
Tornado Panorama(62 of111)
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A tornado touches down beneath an LP supercell near Last Chance, Colorado. (credit:Getty Images)
Roiling outflow clouds behind a supercellular thunderstorm producing a tornado near Quinter, Kansas, May 23, 2008(63 of111)
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Roiling outflow clouds behind a supercellular thunderstorm producing a tornado near Quinter, Kansas, May 23, 2008 (credit:Getty Images)
View of a severe thunderstorm in Kansas, 6/10/2009 Shot during Project Vortex 2, a two year science mission to study tornadoes(64 of111)
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View of a severe thunderstorm in Kansas, 6/10/2009 Shot during Project Vortex 2, a two year science mission to study tornadoes (credit:Getty Images)
A supercellular thunderstorm near Dodge City, Kansas, USA, June 9, 2009(65 of111)
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A supercellular thunderstorm near Dodge City, Kansas, USA, June 9, 2009 (credit:Getty Images)
grain elevator and cumulonimbus supercell, Bromhead, Saskatchewan, Canada(66 of111)
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grain elevator and cumulonimbus supercell, Bromhead, Saskatchewan, Canada (credit:Getty Images)
A tornado forms beneath a low-topped supercell thunderstorm near Bird City, Kansas, on June 29, 2000.(67 of111)
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A tornado forms beneath a low-topped supercell thunderstorm near Bird City, Kansas, on June 29, 2000. (credit:Getty Images)
The low clouds of a squall line near Valley, Nebraska, June 11, 2008 The squall line produced multiple tornadoes through Nebraska and Iowa, one of which struck Little Sioux, Iowa, killing four Boy Sc(68 of111)
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The low clouds of a squall line near Valley, Nebraska, June 11, 2008 The squall line produced multiple tornadoes through Nebraska and Iowa, one of which struck Little Sioux, Iowa, killing four Boy Scouts (credit:Getty Images)
Supercell over Nebraska dirt road(69 of111)
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An LP supercell thunderstorm chugs along north towards Lincoln, Nebraska. (credit:Getty Images)
A soon to be tornadic supercell near Scottsbluff, Nebraska, June 7, 2010(70 of111)
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A soon to be tornadic supercell near Scottsbluff, Nebraska, June 7, 2010 (credit:Getty Images)
A mobile Doppler Radar truck scans a storm near Pickstown, South Dakota, June 3, 2010(71 of111)
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A mobile Doppler Radar truck scans a storm near Pickstown, South Dakota, June 3, 2010 (credit:Getty Images)
A thunderstorm fires up near Pickstown, South Dakota, USA, June 3, 2010(72 of111)
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A thunderstorm fires up near Pickstown, South Dakota, USA, June 3, 2010 (credit:Getty Images)
Outflow dominant(73 of111)
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An outflow dominant supercell in northern Nebraska. (credit:Getty Images)
Roger Hill's Storm Chasing Tour(74 of111)
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CLINTON, OK - JUNE 16: A photo from a beautiful supercell taken on June 16, 2008 near Clinton, Oklahoma with a daytime lightning strike. It has a beautiful structure and normally very large hail. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(75 of111)
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BOWDLE, SD MAY 22: A perfect \'10\' on the violence and closeness of this half mile wide EF4 tornado that struck on on May 22, 2010 in Bowdle, South Dakota. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Professional storm chaser Reed Timmer documents a tornadic supercell in western South Dakota.(76 of111)
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Professional storm chaser Reed Timmer documents a tornadic supercell in western South Dakota. (credit:Getty Images)
A rolling weather lab called the Tornado Intercept Vehicle (nicknamed TIV) emerges from beneath a supercell thunderstorm in western South Dakota on June 6, 2007. Each storm season TIV director Sean Ca(77 of111)
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A rolling weather lab called the Tornado Intercept Vehicle (nicknamed TIV) emerges from beneath a supercell thunderstorm in western South Dakota on June 6, 2007. Each storm season TIV director Sean Casey attempts to maneuver the armored 7-ton, modified 199 (credit:Getty Images)
Professional storm chaser Reed Timmer documents a tornadic supercell in western South Dakota.(78 of111)
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Professional storm chaser Reed Timmer documents a tornadic supercell in western South Dakota. (credit:Getty Images)
Professional storm chaser Reed Timmer documents a tornadic supercell in western South Dakota.(79 of111)
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Professional storm chaser Reed Timmer documents a tornadic supercell in western South Dakota. (credit:Getty Images)
Professional storm chaser Reed Timmer documents a tornadic supercell in western South Dakota.(80 of111)
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Professional storm chaser Reed Timmer documents a tornadic supercell in western South Dakota. (credit:Getty Images)
A storm chaser documents a picturesque supercell thunderstorm in South Dakota.(81 of111)
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A storm chaser documents a picturesque supercell thunderstorm in South Dakota. (credit:Getty Images)
Professional storm chaser Tim Samaras prepares to document a supercell thunderstorm in South Dakota.(82 of111)
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Professional storm chaser Tim Samaras prepares to document a supercell thunderstorm in South Dakota. (credit:Getty Images)
Meteorologist Al Moller photographs a supercell thunderstorm in South Dakota on June 11, 2003.(83 of111)
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Meteorologist Al Moller photographs a supercell thunderstorm in South Dakota on June 11, 2003. (credit:Getty Images)
Research meteorologist Jon Davies photographs a supercell thunderstorm in South Dakota.(84 of111)
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Research meteorologist Jon Davies photographs a supercell thunderstorm in South Dakota. (credit:Getty Images)
Research meteorologist Jon Davies photographs a supercell thunderstorm in South Dakota.(85 of111)
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Research meteorologist Jon Davies photographs a supercell thunderstorm in South Dakota. (credit:Getty Images)
Research meteorologist Jon Davies photographs a supercell thunderstorm in South Dakota.(86 of111)
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Research meteorologist Jon Davies photographs a supercell thunderstorm in South Dakota. (credit:Getty Images)
Storm chasers document a tornadic supercell in western South Dakota.(87 of111)
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Storm chasers document a tornadic supercell in western South Dakota. (credit:Getty Images)
Professional storm chasers Joel Taylor (left) and Reed Timmer document a tornadic supercell in western South Dakota.(88 of111)
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Professional storm chasers Joel Taylor (left) and Reed Timmer document a tornadic supercell in western South Dakota. (credit:Getty Images)
Roger Hill's Storm Chasing Tour(89 of111)
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DENVER, CO - AUGUST 26: A shot from Roger Hill\'s house of an amazing lightning storm on August 26, 2008 in Denver, Colorado. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(90 of111)
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LAST CHANCE, CO - JUNE 10: A supercell thunderstorm that produced 2 tornadoes on June 10, 2010 near Last Chance, Colorado. A magnificent storm with the classic \'bell\' shaped structure. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(91 of111)
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DUPREE, SD - JUNE 16: A violent cyclic supercell thunderstorm on June 16, 2010 near Dupree, South Dakota. This storm produced nearly 20 tornadoes during its life cycle. This tornado was rated EF3 and caused considerable damage on the west side of Dupree. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(92 of111)
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CAMPO, CO - MAY 31: Amazing tornado that was 1 mile from when this picture was taken and they had to vacate the area very quickly. This tornado occured on May 31, 2010 near Campo, Colorado. Arguably the most photogenic tornado of the year. If you are bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Roger Hill's Storm Chasing Tour(93 of111)
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AURORA, NE - JUNE 17: A general view of a strong tornado on June 17, 2009 near Aurora, Nebraska. This EF3 tornado caused significant damage in town. If your bored of beach holidays and looking for something different this summer then you may want to think about a trip to America\'s mid-west. Storm-chasing husband and wife team Roger and Caryn Hill take British tourists on the hunt of their lives following deadly and destructive tornados. Plowing their way through America\'s \'Tornado Alley\' Roger and Caryn drive groups of up to 18 people at a time in three buses and charge up to £230 a day for a ten day tornado chase. Offering their adrenaline inducing \'Silver Lining Tours\', Roger, 53 and Caryn, 50, estimate that they have taken almost 1500 people to observe raging tornado\'s in the American Mid-West since 2000. Taking their paying guests to within 1/4 of mile of some of the swirling 300 mph vertical wind funnels, the husband and wife team have documented awe inspiring incidents of turning twisters and powerful super-cell storms. (Photo by Roger Hill/Barcroft USA / Getty Images) (credit:Getty Images)
Supercell(94 of111)
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Super cell and a shelf cloud near the State Line of Nebraska and South Dakota (credit:Getty Images)
Supercell being probed by mobile Doppler radar.(95 of111)
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Supercell being probed by mobile Doppler radar. (credit:Getty Images)
Supercell being probed by mobile Doppler radar.(96 of111)
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Supercell being probed by mobile Doppler radar. (credit:Getty Images)
A storm chaser stops to film a wall cloud on a tornado-warmed supercell.(97 of111)
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A storm chaser stops to film a wall cloud on a tornado-warmed supercell. (credit:Getty Images)
Meteorologist Al Moller photographs a supercell thunderstorm in South Dakota on June 11, 2003.(98 of111)
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Meteorologist Al Moller photographs a supercell thunderstorm in South Dakota on June 11, 2003. (credit:Getty Images)
Tornado Scientists(99 of111)
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Storm chasers deploy a probe in front of a rapidly advancing tornado in Goshen County, Wyoming, USA, Both are participating in Project Vortex 2. Project Vortex 2 is a two year National Science Foundation and NOAA funded science mission to study tornadoes and supercell thunderstorms. (credit:Getty Images)
Sunset Storm Panorama(100 of111)
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A supercell thunderstorm passes by the Project Vortex 2 science team near Amazonia Missouri (credit:Getty Images)
Vortex 2 Highway to Danger 2(101 of111)
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View from a storm chaser\'s car as it approaches a tornadic supercell thunderstorm in western Nebraska during Project Vortex 2 (credit:Getty Images)
Vortex 2 Highway to Danger(102 of111)
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View from a storm chaser\'s car as it approaches a tornadic supercell thunderstorm in western Nebraska during Project Vortex 2 (credit:Getty Images)
Vortex 2 Supercell Panorama(103 of111)
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A panoramic of a rotating supercell severe thunderstorm near Dodge City at Kansas (credit:Getty Images)
Supercell with Lightning(104 of111)
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A supercell near Dodge City, Kansas, USA. A supercell is a type of severe thunderstorm that often produces tornadoes. (credit:Getty Images)
Kansas Distant Tornado Vortex 2(105 of111)
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A tornado-warned supercell spins in the distance near Dodge City, (credit:Getty Images)
Vortex 2 LP Supercell(106 of111)
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Trucks from the science mission Project Vortex 2 park alongside the highway as a LP supercell rolls past in the distance near Dodge City, Kansas (credit:Getty Images)
LP Supercell Vortex 2(107 of111)
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A LP (Low Precipitation) supercell near Dodge City, Kansas, June 8, 2009. (credit:Getty Images)
Rain wraps around a wide cone (108 of111)
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Rain wraps around a wide cone tornado in Goshen County, Wyoming, June 5, 2009. This photo was taken while covering the science mission \'Project Vortex 2\'. Funded by the National Science Foundation and NOAA, Project Vortex 2 is a two year mission to study tornadoes and supercell thunderstorms. (credit:Getty Images)
Rope Tornado(109 of111)
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A tornado ropes out in Goshen County, Wyoming, June 5, 2009. This photo was taken while covering the science mission \'Project Vortex 2\'. Funded by the National Science Foundation and NOAA, Project Vortex 2 is a two year mission to study tornadoes and supercell thunderstorms. (credit:Getty Images)
Mortality(110 of111)
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A supercell thunderstorm hovers over a graveyard in McCool Junction Nebraska March (credit:Getty Images)
Roiling sky(111 of111)
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A supercell thunderstorm east of McCool Junction Nebraska (credit:Getty Images)

NHKニュースによると、スーパーセルは昨年5月に茨城県つくば市などで大きな被害が出た竜巻の際にも発生していた巨大な積乱雲。内部に強い上昇気流や渦があり、通常の積乱雲に比べて消滅するまでの時間が長いことから、大規模な突風災害を引き起こすことがあるという。気象庁気象研究所の加藤輝之氏の分析として報じている。

9月2日の竜巻について、MSN産経ニュースでは気象庁の分析を伝えている。それによると、スーパーセル内部には回転しながら上昇する渦状の気流「メソサイクロン」を伴う。観測レーダーでは2日午後2時ごろ、雨粒が渦を巻き始めるなどメソサイクロンの特徴を確認したことで、スーパーセル発生と断定した。

レーダーには発達前の積乱雲が午後1時35分から観測され始め、わずか約25分ほどでスーパーセルへと成長。20キロ四方に広がり、「通常の積乱雲より巨大」(気象庁担当者)だったという。

このときの積乱雲の様子を、防災科学技術研究所がCGで再現することに成功した。積乱雲が急激に発達して高さ15キロを超えていく姿など、竜巻発生前後の計1時間あまりの動きを追っている。

埼玉県越谷市の竜巻被害【2013年9月2日】
竜巻・横転した車(01 of58)
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竜巻とみられる突風で横転した車=9月2日午後5時41分、埼玉県越谷市 ※一部画像処理(車のナンバープレートにモザイク)してます。 (credit:時事通信社)
竜巻・突風で倒れた電柱(02 of58)
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竜巻とみられる突風で倒れた住宅街の電柱=9月2日午後4時46分、埼玉県越谷市 (credit:時事通信社)
竜巻・折れた電柱と住民(03 of58)
Open Image Modal
竜巻とみられる突風で折れた電柱。住民が散乱する電線の間を歩く=9月2日午後4時41分、埼玉県越谷市 (credit:時事通信社)
竜巻・被害を受けた住宅街(04 of58)
Open Image Modal
竜巻とみられる突風で被害を受けた住宅街。周辺住民や業者が飛散した屋根や窓ガラス、がれきなどの処理に追われた=9月2日午後4時39分、埼玉県越谷市 (credit:時事通信社)
竜巻・がれきを片付ける人 (05 of58)
Open Image Modal
竜巻とみられる突風で被害に見舞われた住宅街。住民や業者が飛散したがれきなどの処理に追われた=9月2日午後4時46分、埼玉県越谷市 (credit:時事通信社)
竜巻・なぎ倒された木(06 of58)
Open Image Modal
竜巻とみられる突風で、なぎ倒された木=9月2日午後5時10分、千葉県野田市 (credit:時事通信社)
竜巻・屋根が飛ばされた民家 (07 of58)
Open Image Modal
竜巻とみられる突風で屋根が飛ばされた民家=9月2日午後5時24分、千葉県野田市 (credit:時事通信社)
竜巻・切れた電線(08 of58)
Open Image Modal
竜巻とみられる突風で切れた電線=9月2日午後5時17分、千葉県野田市 (credit:時事通信社)
竜巻・屋根が破損した体育館(09 of58)
Open Image Modal
突風で屋根が破損したり、窓ガラスが割れたりし、生徒らが負傷した越谷市立北陽中学校の体育館=9月2日午後、埼玉県越谷市 (credit:時事通信社)
竜巻・暗い中で作業する周辺住民ら (10 of58)
Open Image Modal
停電で周囲が暗い中、投光器や懐中電灯の光を頼りにがれきなどの処理をする周辺住民や作業員=9月2日午後6時49分、埼玉県越谷市 (credit:時事通信社)
竜巻・暗い中で作業する住民ら(11 of58)
Open Image Modal
暗い中、突風で被害を受けた住宅の補修をする住民ら=9月2日夜、埼玉県越谷市 (credit:時事通信社)
JAPAN TORNADO(12 of58)
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epa03847700 Residents walk over collapsed utility poles after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were damaged. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(13 of58)
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epa03847703 Workers clean up debris after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(14 of58)
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epa03847704 Workers clean up debris after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(15 of58)
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epa03847705 Workers clean up debris after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(16 of58)
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epa03847706 Workers walk past damaged buildings after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(17 of58)
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epa03847707 Workers walk past damaged buildings after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(18 of58)
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epa03847712 Residents stand next to damaged houses after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(19 of58)
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epa03847716 Residents inspect damaged houses after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(20 of58)
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epa03847717 A Tokyo Electric Power Co. worker steps over a utility pole after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(21 of58)
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epa03847719 A resident works on a piece of fence during clean-up after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(22 of58)
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epa03847720 Workers among debris during clean-up after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA \n (credit:EPA=時事)
JAPAN TORNADO(23 of58)
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epa03847721 A resident pushes her bike past an upturned car after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA \n (credit:EPA=時事)
JAPAN TORNADO(24 of58)
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epa03847722 An upturned vehicle and debris left after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(25 of58)
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epa03847723 Firefighters inspect the damage after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(26 of58)
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epa03847724 A family survey the scene after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(27 of58)
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epa03847725 Residents survey the damage caused by a tornado in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013 . Tornados hit cities in eastern Japan resulting in more than 25,000 households losing power with some houses sustained damage. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(28 of58)
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epa03847727 Workers move bricks after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(29 of58)
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epa03847728 Workers engage in clean-up after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(30 of58)
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epa03847731 City hall officials inspect the damage after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(31 of58)
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epa03847736 A resident walks over utility poles carrying a dog after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(32 of58)
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epa03847738 Residents walk by damaged utility poles after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(33 of58)
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epa03847742 Residents restore the roof of a house after a tornado hit in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
JAPAN TORNADO(34 of58)
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epa03847743 Houses destroyed by a tornado are lit up by car headlights in Koshigaya, Saitama Prefecture, north of Tokyo, Japan, 02 September 2013. According to reports, more than 25,000 households lost power and some buildings were destroyed after a tornado hit areas of eastern Japan 02 September. Over 60 people were injured. EPA/KIMIMASA MAYAMA (credit:EPA=時事)
埼玉千葉竜巻・電柱を越える男性(35 of58)
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消防署員などの手助けを借りて、突風でなぎ倒された電柱を越える男性(中央)=9月2日午後9時4分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・なぎ倒された電柱 (36 of58)
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突風の影響でなぎ倒された電柱。停電で辺りは暗いが、自動車の明かりでシルエットが浮かんだ=9月2日午後9時11分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・進む復旧作業(37 of58)
Open Image Modal
突風被害から一夜明け、がれきや電気の復旧作業が進む被災現場=9月3日午前7時59分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・がれきでうまった歩道 (38 of58)
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突風被害から一夜明け、がれきでうまった、学校に面した歩道=9月3日午前8時2分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・復旧作業が進む現場(39 of58)
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突風被害から一夜明け、復旧作業が進められる被災現場=9月3日午前7時57分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・倒壊した民家と児童(40 of58)
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突風被害から一夜明け、倒壊した民家のそばを通学する児童=9月3日午前7時26分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・がれきを撤去する教職員(41 of58)
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突風被害から一夜明け、がれきを撤去する北陽中の教職員=9月3日午前8時49分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・がれきを撤去する教職員(42 of58)
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学校沿いの歩道に残ったがれきを撤去する北陽中の教職員=9月3日午前8時34分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・通学路を片付ける教職員(43 of58)
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突風被害から一夜明け、がれきが散乱した通学路の歩道を片付ける市立北陽中学校の教職員ら=9月3日午前8時37分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・集団登校する児童ら(44 of58)
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竜巻とみられる突風の被害を受けた越谷市立桜井南小学校に集団登校する児童ら=9月3日午前、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・片付けに追われる教職員ら(45 of58)
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竜巻とみられる突風で被害を受けた越谷市立桜井南小学校で片付けに追われる教職員ら=9月3日午前、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・被害を受けた体育館(46 of58)
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突風で屋根が吹き飛んだ北陽中学校の体育館=9月3日午前11時21分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・ガラス片が散乱する体育館 (47 of58)
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竜巻とみられる突風で屋根が吹き飛び、ガラス片などが散乱する越谷市立北陽中学校の体育館=9月3日午前、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・屋根を吹き飛ばされた建物(48 of58)
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突風で屋根を吹き飛ばされた大杉新田自治会館=9月3日午後、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・視察する上田知事(49 of58)
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突風の被害を受けた北陽中学校を視察する埼玉県の上田清司知事(中央)=9月3日午前11時20分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・窓ガラスが割れた越谷市立桜井南小学校(50 of58)
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竜巻とみられる突風で窓ガラスが割れるなどの被害があった越谷市立桜井南小学校=9月3日午前、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・被害を受けた民家(51 of58)
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竜巻の被害を受けた民家。壁には傷が残っている=9月3日午後、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・屋根を飛ばされた民家(52 of58)
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竜巻の突風で屋根を飛ばされた民家=9月3日午後、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・屋根を飛ばされた民家(53 of58)
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竜巻の突風で屋根が飛ばされた民家=9月3日午後2時31分、埼玉県越谷市 (credit:時事通信社)
埼玉千葉竜巻・屋根の補修をする男性(54 of58)
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竜巻とみられる突風により被害を受けた住宅で、屋根の補修をする男性=9月2日午後5時31分、埼玉県越谷市の大杉地区 (credit:時事通信社)
埼玉千葉竜巻・倒れた電柱(55 of58)
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竜巻とみられる突風で倒れた電柱=9月2日午後4時43分、埼玉県越谷市の大杉地区 (credit:時事通信社)
埼玉千葉竜巻・倒れた電柱(56 of58)
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竜巻とみられる突風で倒れた電柱=9月2日午後4時38分、埼玉県越谷市の大杉地区 (credit:時事通信社)
埼玉千葉竜巻・片付けに追われる住民ら(57 of58)
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竜巻とみられる突風により被害を受けた住宅街で、がれきなどの片付けに追われる住民ら=9月2日午後5時28分、埼玉県越谷市の大杉地区 (credit:時事通信社)
埼玉千葉竜巻・会見する気象庁の鈴木室長(58 of58)
Open Image Modal
埼玉、千葉両県で起きた竜巻の現地調査結果を記者会見で説明する、気象庁の鈴木修観測システム運用室長(中央)=9月3日午後、東京・大手町の気象庁 (credit:時事通信社)

9月4日の竜巻についても、時事ドットコムが、気象庁予報課の松本積予報官の会見を伝える記事の中で、スーパーセルの可能性について指摘している。

気象庁のレーダー観測の結果、栃木県矢板市と鹿沼市の付近で、午前11時40分ごろから午後1時20分ごろにかけ、発達する積乱雲が北東へ移動していたことが判明。この積乱雲にもメソサイクロンが観測されており、こちらもスーパーセルだった可能性があるという。

スーパーセルは大気が不安定な状態になると生まれると言われる。47NEWSでは9月2日の竜巻について、地表付近に暖かく湿った空気が強く流れ込んだのが一因とした上で、「地球温暖化が進行すると、日本では激しい竜巻の発生しやすい気象条件が増える」という気象庁気象研究所の予測を伝えた。

気象庁は「竜巻から身を守る~竜巻注意情報~」というリーフレットの中で、「発達した積乱雲の近づく兆しがある場合には、頑丈な建物内に移動するなど、安全確保に努めてください」と訴えている。

栃木県矢板市の竜巻被害【2013年9月4日】
竜巻・屋根を補修する男性(01 of07)
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竜巻で壊れた屋根にシートを掛ける男性=4日午後4時すぎ、栃木県矢板市 (credit:時事通信社)
竜巻・倒れたブロック塀(02 of07)
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竜巻で倒れたブロック塀=4日午後3時49分、栃木県矢板市 (credit:時事通信社)
竜巻・小学校の校庭に飛来したがれき(03 of07)
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竜巻で小学校の校庭に飛来したトタン板などのがれき=4日午後4時すぎ、栃木県矢板市の市立矢板小学校 (credit:時事通信社)
竜巻・屋根が壊れた民家 (04 of07)
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竜巻で屋根が壊れた民家(奥)。手前は剥がれたトタン板=4日午後4時44分、栃木県矢板市 \n (credit:時事通信社)
竜巻・壊れたビニールハウス (05 of07)
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突風で壊れたニラ栽培農家のビニールハウス=4日午後、栃木県鹿沼市 (credit:時事通信社)
竜巻・突風で壊れた車庫(06 of07)
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突風で壊れた農家の車庫=4日午後、栃木県鹿沼市 \n (credit:時事通信社)
竜巻・栃木県の竜巻の気象庁会見(07 of07)
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栃木県で発生した竜巻について記者会見する気象庁の松本積予報官=4日午後、東京・大手町の気象庁 (credit:時事通信社)