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 ...

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

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

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

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 ...

Two meteorologists for the National Weather Service's Bay Area office set out on Saturday to survey the damage caused by two ...

A tornado touched down in Scotts Valley, California, an hour south of San Francisco. CNN affiliate KSBW speaks with residents ...

Flooding and power outages in SF - even a tornado warning as inclement weather hits the Bay Area.

On Saturday, meteorologists with the National Weather Service went to San Francisco to assess storm damage, then pivoted to ...

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