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.

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 ...

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.

On Feb. 13, 2000, 26 years ago today, supercell thunderstorms spawned six tornadoes across southwest Georgia in just over three hours, killing 19 people. The deadliest was an F3 tornado that tore a ...

Some of these terms may not sound real, but we can assure you that they are 100 per cent real terms that meteorologists use to communicate the weather every day.

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 ...

This is very much at the top end of the scale, in terms of the number of the storms over a number days over a big area.’ ...