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 ...

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

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

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 ...

Rain and winds brought power outages to the Bay Area after a Saturday morning tornado warning. Elsewhere: lots of weekend ...

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

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

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.