Supercell just getting its wind up over South Dakota. Note the colors (explained below). Photo by Nicolaus Wegner, from the video On June 1, 2015, photographer Nicolaus Wegner was in South Dakota and ...

A supercell is a unique type of thunderstorm characterized by a rotating updraft known as a mesocyclone. The term "mesocyclone" refers to the small-scale circulation occurring in a storm. This is what ...

National Geographic Traveler just announced its winners for its 2014 photo contest. The shots are all very cool, but I can’t argue with the No. 1 pick: a mesocyclone over Colorado, taken by ...

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On Tuesday evening, a towering, rotating thunderstorm known as a supercell was seen in York County. A WCNC Charlotte viewer, Kari Smith, sent stunning drone photos of the storm to Chief Meteorologist ...

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Mesocyclone: A vertical cylinder of rotating air (usually counterclockwise) that sometimes develops in the updraft of a severe thunderstorm. Horizontal dimensions are typically about one-half mile to ...

Not all thunderstorms can produce tornadoes - only about 30% of supercell thunderstorms actually spawn these rotating columns of air. Supercells are severe thunderstorms with intense, rotating ...

A rarely-seen meteorological phenomenon - and one linked to tornadoes - has been caught on camera over Auckland. Amid humid, showery conditions in the city last night, Niwa’s live cameras picked up a ...