421  
WWUS76 KMTR 210314  
NPWMTR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
714 PM PST MON JAN 20 2025  
 
CAZ504-515-211400-  
/O.CAN.KMTR.WI.Y.0004.000000T0000Z-250121T0900Z/  
/O.CON.KMTR.FR.Y.0011.250121T0900Z-250121T1700Z/  
NORTH BAY INTERIOR MOUNTAINS-EAST BAY HILLS-  
714 PM PST MON JAN 20 2025  
   
..WIND ADVISORY IS CANCELLED
 
   
..FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PST TUESDAY
 
 
* WHAT...FOR THE WIND ADVISORY, WINDS HAVE DIMINISHED AND ARE NOW  
BELOW ADVISORY CRITERIA. THEREFORE, THE WIND ADVISORY WILL BE  
CANCELLED. FOR THE FROST ADVISORY, TEMPERATURES AS LOW AS 31 WILL  
RESULT IN FROST FORMATION.  
 
* WHERE...EAST BAY HILLS AND NORTH BAY INTERIOR MOUNTAINS.  
 
* WHEN...FROM 1 AM TO 9 AM PST TUESDAY.  
 
* IMPACTS...COLD CONDITIONS WILL BE HAZARDOUS TO SENSITIVE  
POPULATIONS SUCH AS UNHOUSED INDIVIDUALS. COLD CONDITIONS CAN LEAD  
TO HYPOTHERMIA WITH PROLONGED EXPOSURE.  
 
* ADDITIONAL DETAILS...WINDS WILL STILL REMAIN BREEZY WITH GUSTS OF  
30 TO 40 MPH POSSIBLE THIS EVENING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.  
 
BE SURE TO COVER OR TEND TO SENSITIVE PLANTS AND VEGETATION AS THEY  
MAY BE DAMAGED BY FROST.  
 

 
 

 
 
CAZ516-211400-  
/O.CON.KMTR.FZ.W.0002.250121T0900Z-250121T1700Z/  
SOUTHERN SALINAS VALLEY/ARROYO SECO AND LAKE SAN ANTONIO-  
714 PM PST MON JAN 20 2025  
   
..FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM PST TUESDAY
 
 
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 26 EXPECTED.  
 
* WHERE...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. COLD CONDITIONS CAN LEAD  
TO HYPOTHERMIA WITH PROLONGED EXPOSURE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.  
 
BE SURE TO OPEN SINK CABINET DOORS AND/OR DRIP FAUCETS. THIS MAY  
HELP REDUCE OR PREVENT DAMAGE TO UNINSULATED PIPES AND OTHER  
PLUMBING.  
 

 
 

 
 
CAZ506-510-513-514-517-518-528-211400-  
/O.CON.KMTR.FR.Y.0011.250121T0900Z-250121T1700Z/  
NORTH BAY INTERIOR VALLEYS-EAST BAY INTERIOR VALLEYS-SANTA CLARA  
VALLEY INCLUDING SAN JOSE-EASTERN SANTA CLARA HILLS-SANTA LUCIA  
MOUNTAINS AND LOS PADRES NATIONAL FOREST-MOUNTAINS OF SAN BENITO  
COUNTY AND INTERIOR MONTEREY COUNTY INCLUDING PINNACLES NATIONAL  
PARK-NORTHERN SALINAS VALLEY/HOLLISTER VALLEY AND CARMEL VALLEY-  
714 PM PST MON JAN 20 2025  
   
..FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PST TUESDAY
 
 
* WHAT...TEMPERATURES AS LOW AS 33 WILL RESULT IN FROST FORMATION.  
 
* WHERE...THE SANTA CLARA VALLEY AND EASTERN HILLS, INTERIOR  
MONTEREY COUNTY AND THE SANTA LUCIA RANGE, MOST OF SAN BENITO  
COUNTY AND THE CHOLAME HILLS IN SOUTHEAST MONTEREY COUNTY, NORTH  
BAY INTERIOR VALLEYS, EAST BAY INTERIOR VALLEYS, AND NORTHERN  
SALINAS VALLEY/HOLLISTER VALLEY AND CARMEL VALLEY.  
 
* WHEN...FROM 1 AM TO 9 AM PST TUESDAY.  
 
* IMPACTS...COLD CONDITIONS WILL BE HAZARDOUS TO SENSITIVE  
POPULATIONS SUCH AS UNHOUSED INDIVIDUALS. COLD CONDITIONS CAN LEAD  
TO HYPOTHERMIA WITH PROLONGED EXPOSURE.  
 
* ADDITIONAL DETAILS...TEMPERATURES IN THE VICINITY OF FORT HUNTER  
LIGGETT AND IN PORTIONS OF FAR SOUTHEASTERN MONTEREY COUNTY WILL  
EXPERIENCE LOCALLY COLDER TEMPERATURES AS LOW AS 29 DEGREES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.  
 
BE SURE TO COVER OR TEND TO SENSITIVE PLANTS AND VEGETATION AS THEY  
MAY BE DAMAGED BY FROST.  
 

 
 

 
 
MM  
 
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