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 ...

An outage map showed about 30,000 customers around ... issued just before 6 a.m. for San Mateo County and downtown San ...

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

Rain and winds brought power outages to the Bay Area after a Saturday morning tornado warning. Elsewhere: lots of weekend ...

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

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

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