A mesocyclone is not something you hear all the time, but when your local Meteorologist says it, that likely means there is a tornado warning or we have rotating strong thunderstorms. A mesocyclone is ...

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 ...

Mesocyclones are not to be trifled with; they can dump torrential rain and hail, and the winds can be fierce 1 minute read You can save this article by registering for free here. Or sign-in if you ...

A 200-year-old report by a sea captain and a stunning photograph of the 2008 eruption of Mount Chaiten are helping scientists better understand strong volcanic plumes. A 200-year-old report by a sea ...

A supercell thunderstrom in Oklahoma. Image courtesy of NSSL/NOAA. The National Weather Service defines a severe thunderstorm as a thunderstorm that is producing: Hail that is at least quarter size (1 ...

Swirling supercell thunderstorms brewed over the border between North and South Carolina in May, showering the area with chunks of hail as big as baseballs. The huge storm column stretched 50,000 feet ...

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 ...

Bill Burton: It's time for us to take a look at the Science Behind the Forecast as I am joined by WAVE 3 meteorologist Tawana Andrew. Good morning, Tawana. Tawana Andrew: Good morning. We are ...