San Francisco experienced its first-ever tornado warning early Saturday, stunning residents as a powerful storm swept through ...

A tornado touched down in Scotts Valley (Santa Cruz County) on Saturday afternoon, flipping cars and knocking over power lines, Chronicle meteorologists confirmed. The tornado occurred just after 1:30 ...

A strong atmospheric river drenched Northern California with heavy rains and damaging wind gusts Saturday, leaving well over ...

For the first time in recorded history, downtown San Francisco was included in a tornado warning on Saturday as severe storms ...

A tornado touched down in Scotts Valley, California, an hour south of San Francisco. CNN affiliate KSBW speaks with residents.