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

A very soggy start to the weekend really upped our rain and snow totals. Parts of the Sierra saw more than three feet of snow.

A tornado warning was also briefly issued ... morning and cancelled about 20 minutes later. California experiences an average ...

A Level 3 storm has spawned a rare Tornado Warning in San Francisco and left behind a path of destruction across the Bay Area ...

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

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

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

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

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

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

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

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