A tornado warning issued for San Francisco and parts of San Mateo County was based on radar-indicated rotation.

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

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

A powerful winter storm battered the Bay Area Friday night into Saturday, causing widespread issues, power outages and downed ...

The National Weather Service issued San Francisco's first-ever Tornado Warning on Saturday as a strong Level 3 storm moved through the region.

The fast-moving storm prompted warnings for residents to take shelter, but few people have basements in the area. “The ...

The Bay Area reeled Saturday morning from downed trees, power outages and blocked roadways as a powerful storm moved through, ...

A powerful winter storm battered the Bay Area Friday night into Saturday, causing widespread issues, power outages and downed ...

San Francisco residents were woken up by a tornado warning early Saturday morning during a powerful storm system that ...

For the first time, the National Weather Service Bay Area issued a Tornado Warning for the city of San Francisco.

More than 1 million people in the Bay Area were under the brief tornado warning, which was lifted by 6:15 a.m.