A fast-moving storm driven by an atmospheric river will sweep down the California coast Wednesday night through Friday, bringing a quick burst of heavy rain, strong winds and snow in the Sierra Nevada.
Here is a timeline of impacts:
Bay Area
The first hints of the storm arrive Wednesday as moisture streams into the California coast from the ocean. A few light showers could pop up by early afternoon along the Marin Headlands and the coast side Peninsula, but most of the Bay Area will stay dry through the day, with just gray skies, rising humidity and a stiff south wind gusting to 25 to 35 mph by evening.
A high wind warning goes into effect at 10 p.m. Wednesday for San Francisco, much of the Peninsula, the North Bay coast and Marin Headlands, lasting through 10 a.m. Thursday, with gusts of 55 to 60 mph and isolated peaks up to 70 mph along exposed ridges. The rest of the Bay Area will be under a Wind Advisory during the same window, with sustained winds of 15 to 25 mph and gusts up to 45 mph expected…