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

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

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

Powerful storms swept through parts of Northern California on Saturday, knocking down trees, causing widespread power outages ...

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

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

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

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

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 ...

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

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