The line of supercell thunderstorms that moved through northern Illinois and northwest Indiana Tuesday night brought nearly 70 mph wind gusts, golf ball- to baseball-sized hail, and an inch of rain.

The Florida Panhandle will be spared from wintry precipitation but could still face supercell thunderstorms and bitter cold ...

Not all thunderstorms can produce tornadoes - only about 30% of supercell thunderstorms actually spawn these rotating columns of air. Supercells are severe thunderstorms with intense, rotating ...

How rare are supercell thunderstorms in the Coastal Bend? There are different types of thunderstorms; supercells are fairly rare in the Coastal Bend, but have occurred many times in the past.

Add Yahoo as a preferred source to see more of our stories on Google. A powerful supercell thunderstorm, which triggered a microburst in Tempe, dropped heavy rain across the East Valley Oct. 13, ...

On Monday afternoon, a microbust, or supercell thunderstorm, hit south Tempe. Over the next hour, it quickly traveled north throughout the Phoenix metro area and strengthened, bringing intense rain, ...

Take a look at this amazing video out of Wyoming. Storm chasers took the timelapse Sunday night of a supercell thunderstorm forming in the northeast part of the state. Meteorologists know them as "low ...

Tropical storms are known for two hazards, storm surge and inland flooding, but they're capable of spawning another hazard: tornadoes. In a general sense, tornadoes form under a supercell thunderstorm ...

Multiple storms swept across Queensland on Sunday, delivering up to 62mm in just 30 minutes, a day after thousands were left ...

In about 15 minutes, Tempe recorded nearly three-quarters of an inch of rain. A supercell thunderstorm forms when wind speed and direction change with height, a phenomenon called wind shear.