A violent storm that tore a 50-mile-by-20-mile swath across northeastern Montana on Wednesday night wasn't a tornado. But it packed a powerful wallop including gusts in excess of 100 mph, experts say.

AUSTIN (KXAN) — Severe weather can strike in several different ways. Strong thunderstorms can often organize in a large squall line, which can extend over a significant distance, and deliver ...

A severe thunderstorm watch is in effect across south-central and southeast Lower Michigan until 10 p.m. A line of severe thunderstorms in Indiana has evolved into a bow echo. This bow echo signifies ...

UPDATE 8:50 PM. 5/27: By the way ... here is the result of that bow echo I wrote about last night, two updates below this one with the radar pic. Tonight's worst storms have stayed mostly to the east ...

He said there was a bow echo storm in the ACE service area on June 23, 2015. He said a macroburst is very much like a bow echo, just in a smaller, more condensed area. The microburst is even smaller, ...