The supercell, king of thunderstorms, disruptor of the Great Plains, is a dangerous weather threat wherever it forms. Tornadoes, flooding, enormous hailstones, damaging winds and lightning are some of ...

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.

Thunderstorms are ubiquitous, with thousands of lightning strikes hitting Earth’s surface every minute. But few storms become supercells. They are elusive, mesmerizing, horrifying. Supercells are the ...

ROCK HILL, S.C. — On Tuesday evening, a towering, rotating thunderstorm known as a supercell was seen in York County. A WCNC Charlotte viewer, Kari Smith, sent stunning drone photos of the storm to ...

GRAND RAPIDS, Mich. — Spring in Michigan brings with it the chance for severe weather in the form of thunderstorms, high winds and tornadoes. Tornadoes are primarily produced in two different ways: ...

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 ...

A supercell thunderstorm, which brought almost hurricane-force straight-line winds, was responsible for a 300-mile swath of damage across northern Maryland and southern Pennsylvania on Saturday night, ...

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 ...