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

Residents in San Francisco and parts of San Mateo counties reported being abruptly awoken by a tornado warning issued by the ...

For the first time in recorded history, downtown San Francisco was included in a tornado warning on Saturday as severe storms ...

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

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

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

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

A major ice storm created treacherous driving conditions across Iowa and eastern Nebraska this weekend and prompted temporary ...

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

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

A potent winter storm targeting Northern California this weekend brought what appears to be the first official tornado warning on record for the city of San Francisco on Saturday morning.