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

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

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 ...

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

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

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

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.