Less than two weeks after a tsunami warning, residents were jolted awake before 6 a.m. to consider a new potential disaster ...

The Bay Area was set to receive another heavy dose of rain accompanied by gusty and damaging winds beginning Friday evening.

Hundreds of thousands of San Francisco residents were jolted awake early Saturday morning by the first tornado warning ever issued for the city. It lasted about 20 minutes before ending at around 6:10 ...