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 ...

NEW ORLEANS (WGNO) – Following last week’s three confirmed tornadoes, I figured we should continue the conversation for this week’s WEATHER WEDNESDAY and specifically explore the question: How does a ...

Supercell thunderstorms are among the most impactful weather events in Europe. They typically occur in summer and are characterized by a rotating updraft of warm, humid air that brings strong winds, ...

MADISON, Wis. -- Southern Wisconsin experienced two types of severe weather Friday evening. Impacts to power were minimal however, a dramatic supercell caught the eyes of many. The first type of ...

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.

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, ...