Those storms will have rotating updrafts, meaning they'll have the energy to support hail over 1 inch in diameter and tornadoes.

Some squall lines can produce tornadoes, too. They’re often wrapped in rain and move erratically.

This week's Climate Chronicles question come from Becky in York, Maine.

The next threat of severe weather is a strong squall line expected to move through Monday night, capable of producing ...

UPDATE: A tornado warning has been issued for portions of Williamsburg County until 12:15pm — UPDATE: The tornado watch was adjusted to include Berkeley and Dorchester Counties until 1 p.m. A severe ...

A fast-moving line of strong thunderstorms barreled across the Piedmont on Saturday night, throwing down frequent lightning and gusty winds that peaked around 30 mph in spots. Doppler radar and ...

Thunderstorms intensified to severe levels across the Midwest on the evening of March 26 as supercells developed.

Severe Weather Threat Winding Down Tonight, But a Line Of Storms Will Prompt Impact Weather Monday ...

The risk for excessive rainfall is highest north of Interstate 10, according to the National Weather Service, which says there also is a risk of severe storms for areas northeast of Columbus and ...