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

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

Severe storms caused damage across northern California on Saturday, and for the first time in recorded history, the National ...

The tornado never touched down in San Francisco. But the conditions in the atmosphere with wind speed and direction were ...

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

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

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.

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

A storm and wind gusts of up to 60 mph (96 kph) prompted the first-ever tornado warning in San Francisco and caused some damage in the Bay Area on Saturday. Parts of neighboring San Mateo County were ...

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

On Saturday, meteorologists with the National Weather Service went to San Francisco to assess storm damage, then pivoted to ...