A powerful storm carrying heavy rains and gusty winds caused a number of problems across the Bay Area, including flooding, power outages and road closures.
A flash flood warning was in effect Thursday morning for Santa Clara, San Mateo and Santa Cruz counties, according to the National Weather Service.
A potentially dangerous storm is set to slam Southern California Thursday, with the NWS issuing a flash flood watch.
We break down every type of flood notice from the National Weather Service and what you need to do at each step.