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

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

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

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

The National Weather Service issued a tornado warning Saturday morning for downtown San Francisco and San Mateo County just ...

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 major ice storm created treacherous driving conditions across Iowa and eastern Nebraska this weekend and prompted temporary closures of Interstate 80 after numerous cars and trucks slid off the road ...

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