Potent storms were hitting the northern U.S. on Monday, with a potential to turn into a derecho with hurricane-force winds.

But the weather service said that if discrete supercell storms develop in the afternoon, damaging winds, hail and tornadoes are possible.

The wind and hail threat may continue through 11 p.m. Discrete supercells form independent of other storms in the area, which can be clustered or in squall lines.

The thunderstorm — known in meteorological terms as a discrete supercell — formed in east Mississippi about 9 a.m. ahead of the main squall line that would carve across central Alabama, said ...

This, ladies and gentleman, is what we call a “mothership” supercell. Meteorologists and storm chasers refer to a select few supercell thunderstorms as “motherships” for a simple, very non ...

The High Resolution Rapid Refresh forecast model is showing storms beginning around 5 p.m. to 7 p.m. with potentially discrete supercell thunderstorms in central Kansas and southeast Nebraska.

A late-season tornado outbreak hit Illinois Saturday, dropping at least 26 confirmed tornadoes and injuring more than two dozen people in the Prairie State.

Large hail will be the greatest threat with these discrete supercell thunderstorms and a few hailstones the size of golf balls are possible in north central Ohio.

The thunderstorm, in meteorological terms, is known as a “discrete supercell” that formed ahead of the main squall line moving through the state.

April 4 is a First Alert Weather Day, with the greatest chance for severe weather across North Texas between 4:00 p.m. and 2:00 a.m.. All modes of severe weather are possible – damaging winds ...