A potent winter storm targeting Northern California this weekend brought what appears to be the first official tornado ...

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

Less than two weeks after a tsunami warning, residents were jolted awake before 6 a.m. to consider a new potential disaster ...

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

Some San Francisco residents were jolted awake by a tornado warning from the National Weather Service early Saturday.

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

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

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

The National Weather Service initially sent the warning around 5:56 a.m. for northern San Mateo County and portions of ...

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

The National Weather Service issued San Francisco with a tornado warning on Saturday, the first in the city's history.