Thunderstorms are ubiquitous, with thousands of lightning strikes hitting Earth’s surface every minute. But few storms become supercells. They are elusive, mesmerizing, horrifying. Supercells are the ...

Storm chasers track down severe weather, from hail to tornadoes. There is a source for all that weather and it's the supercell. How do these systems form?

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Residents across the central Plains face a serious severe-weather threat Saturday, with forecasters at the Storm Prediction Center flagging conditions favorable for discrete supercells capable of ...

During springtime in Houston, a steamy afternoon can quickly give way to towering cumulonimbus clouds overhead. Often called “popcorn storms,” these cells bubble up quickly and fade just as fast. But ...