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The same storm produced baseball-sized hail. The rotating thunderstorm churned over entirely empty prairie lands.

The National Weather Service in Morehead City confirmed a rare EF-U tornado hit parts of eastern North Carolina Monday.

A Tornado Watch has been issued for areas to the west - northwest from Bexar County through 4:00AM Tuesday as storms develop ...

Supercells are the mightiest of the thunderstorms. They can roll for hours while maintaining tornadoes and damaging hail.

Two EF1 tornadoes touched down in Georgia, causing damage to trees and property but no injuries or fatalities.

Winds surpassing 100 km/h and ping-pong ball-sized hail are in the forecast for parts of southern and eastern Ontario Tuesday.

The weather service said there is a potential for hail to be baseball-sized or even larger for several hours after sunset.

The National Weather Service says supercell thunderstorms are possible April 28 in central Wisconsin with golf-ball size hail ...

A supercell is a thunderstorm with a rotating updraft, which is classified as a mesocyclone. The rotating updraft is what sets a supercell apart from a typical thunderstorm. In order for a ...