A tornado warning is issued when a tornado is either sighted or indicated on radar, meaning there is imminent danger to life and property.

Add Yahoo as a preferred source to see more of our stories on Google. Multiple tornado warnings hit Oklahoma early Thursday as a severe storm moved in. The first warning came during morning commutes ...

The latest briefing from the National Weather Service outlines the timing, snowfall potential and travel impacts as a major winter storm approaches the Philadelphia region.

A deadly winter storm that brought massive snowfall across the U.S. has knocked out power to hundreds of thousands of people in the South and is crippling travel in the Northeast.

Add Yahoo as a preferred source to see more of our stories on Google. Multiple tornado warnings hit Oklahoma early Thursday as a line of severe thunderstorm systems moved in. The first warning came ...