558
WWUS76 KMTR 300504
NPWMTR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
904 PM PST MON DEC 29 2025
CAZ506-301700-
/O.NEW.KMTR.FG.Y.0039.251230T0504Z-251230T1800Z/
/O.CON.KMTR.CW.Y.0005.251230T0900Z-251230T1700Z/
NORTH BAY INTERIOR VALLEYS-
904 PM PST MON DEC 29 2025
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST TUESDAY
...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PST
TUESDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, VISIBILITY ONE QUARTER MILE OR
LESS IN DENSE FOG. FOR THE COLD WEATHER ADVISORY, COLD CONDITIONS
WITH TEMPERATURES AS LOW AS 36 EXPECTED.
* WHERE...NORTH BAY INTERIOR VALLEYS.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 10 AM PST TUESDAY. FOR THE
COLD WEATHER ADVISORY, FROM 1 AM TO 9 AM PST TUESDAY.
* IMPACTS...COLD CONDITIONS WILL BE HAZARDOUS TO SENSITIVE
POPULATIONS SUCH AS UNHOUSED INDIVIDUALS. PROLONGED EXPOSURE TO THE
COLD CONDITIONS WILL LEAD TO HYPOTHERMIA FOR PEOPLE, PETS, AND
LIVESTOCK. COLD CONDITIONS MAY DAMAGE OR KILL SENSITIVE CROPS,
PLANTS, AND VEGETATION IF APPROPRIATE PRECAUTIONS ARE NOT TAKEN.
LOW VISIBILITY COULD MAKE DRIVING CONDITIONS HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ENSURE PORTABLE HEATERS ARE WORKING PROPERLY AND ARE USED CORRECTLY
TO AVOID SPARKING A FIRE INDOORS. DO NOT USE GENERATORS OR GRILLS
INSIDE AS CARBON MONOXIDE POISONING CAN RESULT.
CHECK WITH YOUR LOCAL, CITY, OR COUNTY OFFICIALS FOR INFORMATION ON
AVAILABLE WARMING CENTERS.
BE SURE TO DRESS IN LAYERS IF OUTDOORS. MAKE SURE THAT PETS AND
LIVESTOCK HAVE ADEQUATE FOOD, UNFROZEN WATER, AND WARMTH. COVER OR
TEND TO SENSITIVE CROPS, PLANTS, AND VEGETATION.
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF
DISTANCE AHEAD OF YOU.
CAZ504-510-514>518-301700-
/O.CON.KMTR.CW.Y.0005.251230T0900Z-251230T1700Z/
NORTH BAY INTERIOR MOUNTAINS-EAST BAY INTERIOR VALLEYS-EASTERN
SANTA CLARA HILLS-EAST BAY HILLS-SOUTHERN SALINAS VALLEY/ARROYO
SECO AND LAKE SAN ANTONIO-SANTA LUCIA MOUNTAINS AND LOS PADRES
NATIONAL FOREST-MOUNTAINS OF SAN BENITO COUNTY AND INTERIOR
MONTEREY COUNTY INCLUDING PINNACLES NATIONAL PARK-
904 PM PST MON DEC 29 2025
...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PST
TUESDAY...
* WHAT...COLD CONDITIONS WITH TEMPERATURES AS LOW AS 36 EXPECTED.
* WHERE...THE EAST BAY HILLS AND VALLEYS, INTERIOR MONTEREY COUNTY
AND THE SANTA LUCIA RANGE, MOST OF SAN BENITO COUNTY AND THE
CHOLAME HILLS IN SOUTHEAST MONTEREY COUNTY, NORTH BAY INTERIOR
MOUNTAINS, EASTERN SANTA CLARA HILLS, AND SOUTHERN SALINAS
VALLEY/ARROYO SECO AND LAKE SAN ANTONIO.
* WHEN...FROM 1 AM TO 9 AM PST TUESDAY.
* IMPACTS...COLD CONDITIONS WILL BE HAZARDOUS TO SENSITIVE
POPULATIONS SUCH AS UNHOUSED INDIVIDUALS. PROLONGED EXPOSURE TO THE
COLD CONDITIONS WILL LEAD TO HYPOTHERMIA FOR PEOPLE, PETS, AND
LIVESTOCK. COLD CONDITIONS MAY DAMAGE OR KILL SENSITIVE CROPS,
PLANTS, AND VEGETATION IF APPROPRIATE PRECAUTIONS ARE NOT TAKEN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ENSURE PORTABLE HEATERS ARE WORKING PROPERLY AND ARE USED CORRECTLY
TO AVOID SPARKING A FIRE INDOORS. DO NOT USE GENERATORS OR GRILLS
INSIDE AS CARBON MONOXIDE POISONING CAN RESULT.
CHECK WITH YOUR LOCAL, CITY, OR COUNTY OFFICIALS FOR INFORMATION ON
AVAILABLE WARMING CENTERS.
BE SURE TO DRESS IN LAYERS IF OUTDOORS. MAKE SURE THAT PETS AND
LIVESTOCK HAVE ADEQUATE FOOD, UNFROZEN WATER, AND WARMTH. COVER OR
TEND TO SENSITIVE CROPS, PLANTS, AND VEGETATION.
JM
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