Tornadoes can be extremely deadly and destructive, but few weather words strike fear into the hearts of Iowans like derecho, and Iowa forecasters say conditions are developing to make one of those ...
Wednesday's severe weather took a damaging toll in the Midwest. Now the threat of damaging winds, hail and flooding rain has shifted to parts of the East.
When a wall of thunderstorms locks together and races across open terrain, it can deliver sustained destruction that rivals a land-falling hurricane, yet with almost no lead time and no official ...