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 ...

San Francisco residents awoke to a tornado warning, but none touched down there. It was the first such warning for the city ...

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 ...

Temperatures in the Sacramento Valley are expected to warm, too, after a high of 51 degrees expected Monday and an overnight ...

OMAHA, Nebraska, EE.UU.— Un tornado cerca de un centro comercial en el centro de California levantó autos, arrancó árboles y ...

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

A tornado touched down in Scott Valley, Calif., sending shockwaves through the area. The storm was so powerful it flipped ...

A tornado touched down in Santa Cruz County on Saturday, downing trees and flipping over cars, the National Weather Service’s ...

The National Weather Service issued the first-ever Tornado Warning on Saturday morning for San Francisco, but there are no ...

A rare, violent tornado hit parts of Northern California causing injuries and damaging homes and businesses. NBC News' Dana ...