It was lifted soon after. This is thought to be the first recorded tornado warning in the area, the National Weather Service told USA TODAY. But severe weather remained a threat in the region with an atmospheric river event expected to bring gusty winds and very heavy rain,

A storm and wind gusts of up to 60 mph (96 kph) prompted the first tornado warning in San Francisco and caused some damage in the Bay Area on Saturday.

Elsewhere a storm and wind gusts of up to 60 mph (96 kph) prompted the first tornado warning in San Francisco and caused some damage. Parts of neighboring San Mateo County were also included in the warning, which went out at 5:51 a.m. to about 1 million people in the area and was lifted about 20 minutes later.