Differences between tornadoes and cyclones A tornado is a violent and rapidly rotating column of air that extends from a ...

By Tuesday, the center already had begun warning about the increased risk for tornadoes as Helene moves up through the U.S. Edwards is among the forecasters who say Helene's huge size increases ...

Getty Images There is more warm moist air in the hotter months. And a cluster of tornadoes of this size and power in December is extremely unusual in the US. Far more tornadoes have been recorded ...

Several North Texas counties are under a tornado watch until Monday evening, with more severe thunderstorms on the way for ...