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Add Yahoo as a preferred source to see more of our stories on Google. A supercell thunderstorm rolls through Ulysses, Kansas, in May 2020. - Mark J. Rebilas/USA Today Network/Imagn Images Supercell ...

Add Yahoo as a preferred source to see more of our stories on Google. Fitting for an active March, the final day of the month brought severe weather. This trend continued into the first week of April, ...

A thunderstorm is classified as severe if it features tornado potential, wind gusts of at least 58 mph, or hail at least one inch in diameter. Supercell storms with rotation, even without a confirmed ...

Supercell thunderstorms are dangerous severe storms that unleash destructive hail, roaring winds and powerful tornadoes. They are responsible for nearly all of the United States’ most violent ...

Fitting for an active March, the final day of the month brought severe weather. This trend continued into the first week of April, leading to rounds of severe storms every day from March 31 to April 4 ...

Thunderstorms need moisture, energy — which meteorologists call instability — and some sort of lift to form. Usually, the lift comes from cold and warmer air masses colliding along a line called a ...