The warning led to a flurry of social media posts from residents who were woken up by the alert on their cell phones. It was being reported as the first-ever tornado warning issued for San Francisco.

The National Weather Service issued a tornado warning for San Francisco at 5:51 a.m. Saturday, the first in its history. Tornadoes are rare but not unheard of in California.

San Francisco received what appears to be its first ever tornado warning. A potent winter storm targeting Northern California this weekend brought what appears to be the first official tornado ...

An EF1 tornado with peak winds of 90 mph occurred just before 2 p.m. in Scotts Valley, California, roughly 67 miles south of San Francisco, according to the National Weather Service.

SAN FRANCISCO — This article was first published on ABC 7 in the Bay Area.. The National Weather Service issued San Francisco with a tornado warning on Saturday, the first in the city's history.

The National Weather Service issued San Francisco with a tornado warning on Saturday, the first in the city's history. ABC7 News Meteorologist Lisa Argen says the closest San Francisco ever got to ...

A storm and wind gusts of up to 60 mph (96 kph) prompted the first-ever tornado warning in San Francisco and caused some damage in the Bay Area on Saturday.

Coastal Flood Advisory issued by NWS San Francisco for potential flooding along SF and San Pablo Bay shorelines.

The National Weather Service issued a tornado warning for San Francisco at 5:51 a.m. Saturday, the first in its history. Tornadoes are rare but not unheard of in California.

For the first time in recorded history, downtown San Francisco was issued a tornado warning on Saturday as severe storm conditions swept through the city, prompting local authorities to warn ...