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

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

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 ...

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 ...

Tornado warning in downtown San Francisco ends, damage consistent with straight line winds. Severe storms continue, flood ...

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 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 ...

The warning ended at 6:15 a.m. as the storms moved northward into the San Francisco Bay, and damage in the tornado-warned area in San Francisco was ultimately determined by the NWS to be straight ...