A tornado warning will tell you specifically what prompted it to be issued. Many are issued based on radar showing rotation, ...

You know tornadoes are dangerous and you should seek shelter when warned. But there are other aspects of severe weather that ...

A storm system rolling through the Bay Area Wednesday afternoon has triggered severe thunderstorm warnings in various parts ...

Storms Tuesday night could target Missouri, Kansas, Nebraska and Iowa with significant and damaging hail. Blizzard warnings possible in Upper Midwest.

Straight line winds can be life-threatening, reaching speeds of up to 140 mph. Learn how these winds can cause catastrophic ...

While parts of central Illinois remain under a tornado watch, another weather phenomenon called a "gustnado" could also ...

Seek shelter immediately when receiving a severe thunderstorm or tornado warning. Don't waste precious seconds or minutes looking out the window for any signs of ominous weather. You may not have ...