Inclement weather plagued the country, and in San Francisco, authorities issued the first-ever tornado warning.

An apparent tornado touched down in a small Northern California city Saturday, flipping cars, causing significant damage and ...

A tornado near a mall in central California swept up cars, uprooted trees and sent several people to the hospital. In San ...

A tornado touched down in the town of Scotts Valley on Dec. 14, as San Francisco issues first-ever tornado warning ...

San Francisco experienced its first-ever tornado warning early Saturday, stunning residents as a powerful storm swept through ...

Severe storms caused damage across northern California on Saturday, and for the first time in recorded history, the National ...

It was lifted soon after. This is thought to be the first recorded tornado warning in the area, the National Weather Service ...

A major ice storm has created treacherous driving conditions across Iowa and eastern Nebraska and prompted temporary closures ...

A strong atmospheric river drenched Northern California with heavy rains and damaging wind gusts Saturday, leaving well over ...

For the first time in recorded history, downtown San Francisco was included in a tornado warning as severe storms swept through the city.

The National Weather Service issued San Francisco's first-ever Tornado Warning on Saturday as a strong Level 3 storm moved through the region.