After strong winds and rain toppled trees and caused power outages across Santa Cruz County late Friday and early Saturday, a ...

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

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 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 ...

California experiences about 11 tornadoes per, with the central and northern valleys the most likely areas they touch down, ...

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

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.