A potent winter storm targeting Northern California this weekend brought what appears to be the first official tornado ...

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 ...

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

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

A powerful winter storm battered the Bay Area Friday night into Saturday, causing widespread issues, power outages and downed ...

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

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

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

Residents in San Francisco and parts of San Mateo counties reported being abruptly awoken by a tornado warning issued by the ...

The National Weather Service has lifted the tornado threat for the city of San Francisco and a part of San Mateo County Saturday morning. The National Weather Service has lifted the tornado threat for ...