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

San Francisco residents were woken up by a tornado warning early Saturday morning during a powerful storm system that battered the region with heavy rain and wind. It was the first-ever tornado ...

San Francisco was hit with its first-ever tornado warning after a devastating storm tore through northern California, ...

"Based on video, photos, firsthand accounts, and radar signatures a tornado occurred [roughly] 1:40 PM," the Bay Area ...

The National Weather Service has lifted the tornado threat for the city of San Francisco and a part of San Mateo County Saturday morning. NBC Universal, Inc. A storm and wind gusts of up to 60 mph ...

For the first time in recorded history, downtown San Francisco was included in a tornado warning on Saturday as severe storms swept through the city, just one week after a tsunami warning ...

A warning covering an area with about 2,200 residents told people to take shelter because flying debris was expected.

On Saturday, as a powerful winter storm headed toward the Bay Area, San Francisco residents received a tornado warning from the National Weather Service. But no tornado touched down. Yet 50 miles ...

A potent winter storm targeting Northern California this weekend brought what appears to be the first official tornado warning on record for San Francisco on Saturday morning. The National Weather ...