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

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 ...

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

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

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

For the first time, the National Weather Service Bay Area issued a Tornado Warning for the city of San Francisco.

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 storm and wind gusts of up to 60 mph (96 kph) prompted the first-ever tornado warning in San Francisco and caused some damage in the Bay Area on Saturday. Parts of neighboring San Mateo County were ...

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

Residents of the San Francisco area awoke Saturday to a meteorological rarity — a tornado warning. It was the first ever ...

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