A tornado warning was issued in several counties, and storms filled the sky with lightning and dark cloud formations ... sent ...

“It’s starting to spit out some pretty good lightning ... up to the storm, we pass through Liberal, Kansas, and then head straight north toward Sublette. A dark mass of clouds is building ...

It was Friday afternoon and she and her friends were driving to visit her parents when they suddenly spotted a massive storm ... cloud mass on the horizon and the sky suddenly turning dark over ...

He said shelf clouds were triggered when the cool air mixed with the warm, moist atmosphere near the ground and pushed upward. "The bigger the storm, the more potential mixing there is ...

that brings cool air crashing back down to the ground." The shelf clouds were accompanied by blasts of lightning and ...