Headline:
Dense Fog Advisory issued April 21 at 4:32AM PDT until April 21 at 9:00AM PDT by NWS San Francisco CA
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
April 21, 2025 - 4:32am
Expires:
April 21, 2025 - 9:00am
Description:
* WHAT...Visibility less than one mile in dense fog.
* WHERE...North Bay Interior Valleys.
* WHEN...Until 9 AM PDT this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
Instruction:
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
Area Description:
North Bay Interior Valleys
Forcast Office:
NWS San Francisco CA