A tornado warning issued for San Francisco and parts of San Mateo County was based on radar-indicated rotation.
the Bay Area still faced the threat of flooding, while other parts of the U.S. braced for ice, rain and snow. The ...
said the warning of a possible tornado in San Francisco was a first for the city, noting an advanced alert did not go ...
A Level 3 storm has spawned a rare Tornado Warning in San Francisco and left behind a path of destruction across the Bay Area ...