048
WWUS76 KMTR 221250
NPWMTR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
450 AM PST SAT NOV 22 2025
CAZ510-221900-
/O.NEW.KMTR.FG.Y.0028.251122T1250Z-251122T1900Z/
EAST BAY INTERIOR VALLEYS-
450 AM PST SAT NOV 22 2025
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST THIS MORNING
* WHAT...VISIBILITY ONE QUARTER MILE OR LESS IN DENSE FOG.
* WHERE...NORTHERN AND EASTERN CONTRA COSTA COUNTY.
* WHEN...UNTIL 11 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.
DIALH
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