A tornado touched down in Scotts Valley, California, an hour south of San Francisco. CNN affiliate KSBW speaks with residents ...

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

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

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

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

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

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 ...

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

Some San Francisco residents were jolted awake by a tornado warning from the National Weather Service early Saturday.

The San Francisco Recreation and Parks Department has confirmed that 73 trees at city parks were downed as a result of ...

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