SAN FRANCISCO (CBS SF) — A thick blanket of fog was draped over the San Francisco Bay Area early Thursday, triggering hazardous driving conditions from Cloverdale to the Golden Gate Bridge.
The National Weather Service issued a dense fog advisory from Sonoma County to San Rafael encompassing the entire morning commute until at least 9 a.m. Visibility was of a one-quarter mile or less.
“If driving, slow down, use your headlights, and leave plenty of distance ahead of you,” forecasters said.
“Temperatures early this morning are running between 5-15 degrees commpared to 24 hours ago as sky conditions cleared out late Wednesday evening,” forecasters continued. “These conditions combined with residual low level moisture has allowed for patchy fog (dense at times) and low clouds to develop across the interior valleys as well as around the Monterey Bay.”
A Dense Fog Advisory has been issued through 9 AM PST for the North Bay Interior Valleys. Expect visibility of 1/4 mile in these areas through the morning. For those with a commute, allow for extra travel time this morning. #CAwx #BayAreaWX pic.twitter.com/II43nJIzRj
— NWS Bay Area (@NWSBayArea) November 19, 2020
The fog was the final act of a weather front that left the season’s most significant rain totals around the San Francisco Bay Area over the last 36 hours.
According to the weather service, 4.48 inches of rain fell on Mt. Tamalpais, 3.16 inches in Ben Lomond, 1.68 inches on Mt. Diablo and 1.12 inches in Santa Rosa.
36-hour rainfall totals for the #BayArea and Central Coast. #CAwx pic.twitter.com/TlHU9K5Kis
— NWS Bay Area (@NWSBayArea) November 19, 2020
