Inclement weather plagued the country, and in San Francisco, authorities issued the first-ever tornado warning.

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

An apparent tornado touched down in a small Northern California city Saturday, flipping cars, causing significant damage and ...

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

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

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 major ice storm has created treacherous driving conditions across Iowa and eastern Nebraska and prompted temporary closures ...

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

Tornado warning in downtown San Francisco ends, damage consistent with straight line winds. Severe storms continue, flood ...

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.