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

The tornado never touched down in San Francisco. But the conditions in the atmosphere with wind speed and direction were ...

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

Powerful storms swept through parts of Northern California on Saturday, knocking down trees, causing widespread power outages ...

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

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

The San Francisco Bay Area dealt with multiple threats as the storm swept through Saturday morning – including a brief ...

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

A tornado warning was issued by the NWS San Francisco CA on Saturday at 5:51 a.m. "At 5:51 a.m., a severe thunderstorm ...

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

A tornado warning issued for San Francisco and parts of San Mateo County was based on radar-indicated rotation.

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