At least 42 people are dead after a weekend of dynamic storms unleashed tornadoes, blinding dust ... Here's what to know about the unusually erratic and destructive weather system that socked ...

Tornadoes can have extreme differences in how fast they move. Past history shows they can track as fast as traffic on an ...

National Weather Service crews are surveying areas of tornado damage and have confirmed more than a dozen tornadoes from ...

The most powerful and deadliest tornado ever to hit the state of Iowa occurred around the Charles City area on May 15, 1968.

Large tornadoes are carving paths of destruction across the South for the second day in a row as a deadly storm system churns across the United States. EF-4 or EF-5 tornadoes, the most violent on ...

A weak tornado with winds estimated at about 85 mph left a path of damage that extended for blocks in a Pico Rivera neighborhood early Thursday as a late winter storm brought rain and strong winds ...

Here's what to know about the unusually erratic and destructive weather system that socked central and eastern portions of the U.S. Missouri lost the most lives in the storm and tornadoes ...