Supercells are the king of thunderstorms. They can tower 10 or more miles tall, spin like a top and produce the most extreme ...

Severe storms, tornadoes, and heavy rain have caused devastation ... "What makes a supercell unique from all other thunderstorm types is that it contains a deep and persistent rotating updraft ...

Severe weather will continue through Easter ... depending on where the heaviest rain sets up. A pair of supercell thunderstorms raked across eastern Nebraska into western Iowa Thursday, spawning ...

Severe weather will flare up again in parts of ... as shown below. A pair of supercell thunderstorms raked across eastern Nebraska into western Iowa Thursday, spawning at least three tornadoes ...