Millions of people across the US are on alert for severe weather that could bring baseball-sized hail and tornadoes ... week. A map shows tens of millions of Americans are on high alert for ...

N​early 75% of the country is at risk for a potentially damaging earthquake, according to a recently updated USGS map.

This includes hail, wind, tornadoes, and heavy rainfall. The Storm Prediction Center has increased the severe storm threat level to a MODERATE RISK (4/5 ... colors on the map above, here is ...

A tornado appears as a rotating, funnel-shaped cloud that extends from a thunderstorm to the ground with whirling winds that can reach 300 miles per hour. Damage paths can be in excess of one mile ...

A Feb. 21-22, 1971 outbreak claimed 121 lives from Texas to North Carolina, the deadliest February rash of tornadoes in ...