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.

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 ...

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 ...

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.

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 ...

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.

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.