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Home Return to list Dense Fog Advisory 0012 Issued by the San Francisco Bay Area / Monterey Forecast Office
Action: New Issued At: 2026-11-09 03:22:46 607 WWUS76 KMTR 090922 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 122 AM PST Mon Nov 9 2026 CAZ506-091700- /O.NEW.KMTR.FG.Y.0012.261109T0922Z-261109T1700Z/ North Bay Interior Valleys- 122 AM PST Mon Nov 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys County. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Patchy dense fog will result in sudden changes in visibility. Visibility at times will fall below one-quarter of a mile. Use your low beam headlights, slow down, and be prepared for periods of hazardous driving conditions. && $$ MM Action: Continued Issued At: 2026-11-09 09:01:44 357 WWUS76 KMTR 091501 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 701 AM PST Mon Nov 9 2026 CAZ006-508-091700- /O.EXA.KMTR.FG.Y.0012.000000T0000Z-261109T1700Z/ San Francisco-San Francisco Bay Shoreline- 701 AM PST Mon Nov 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...San Francisco and San Francisco Bay Shoreline. * WHEN...Until 9 AM PST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ CAZ506-091700- /O.CON.KMTR.FG.Y.0012.000000T0000Z-261109T1700Z/ North Bay Interior Valleys- 701 AM PST Mon Nov 9 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys. * WHEN...Until 9 AM PST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ For more information from the National Weather Service visit https://weather.gov/mtr Action: Area Extended Issued At: 2026-11-09 09:01:44 357 WWUS76 KMTR 091501 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 701 AM PST Mon Nov 9 2026 CAZ006-508-091700- /O.EXA.KMTR.FG.Y.0012.000000T0000Z-261109T1700Z/ San Francisco-San Francisco Bay Shoreline- 701 AM PST Mon Nov 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...San Francisco and San Francisco Bay Shoreline. * WHEN...Until 9 AM PST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ CAZ506-091700- /O.CON.KMTR.FG.Y.0012.000000T0000Z-261109T1700Z/ North Bay Interior Valleys- 701 AM PST Mon Nov 9 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys. * WHEN...Until 9 AM PST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ For more information from the National Weather Service visit https://weather.gov/mtr | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||