An intense supercell storm unleashes large hail, powerful outflow winds, and nonstop energy, showcasing just how fast severe weather can evolve. From dramatic cloud structure to sudden bursts of force ...

A powerful supercell thunderstorm, which triggered a microburst in Tempe, dropped heavy rain across the East Valley Oct. 13, flooding streets and toppling trees as wind gusts neared 70 mph. In about ...

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 ...

A group of storm chasers captured this video of a surreal, monstrous-looking thunderstorm cloud that spun over eastern Wyoming on Sunday. The time-lapse video taken by Basehunters shows the of a rare ...

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 ...

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, ...

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 ...

Supercells are basically thunderstorms on steroids. These storms create some of the most violent tornadoes and can leave a path of incredible destruction. A supercell is a powerful, long-lived ...

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, ...