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.

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

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

A storm and wind gusts of up to 60 mph (96 kph) prompted the first tornado warning in San Francisco and caused some damage in ...

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 ...

“This was the first ever warning for a possible tornado in San Francisco ... recorded at the Mammoth Mountain resort south of ...

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.

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

A brief tornado warning alert was issued for residents in northern San Mateo County and downtown San Francisco.