WWUS76 KSTO 020533
NPWSTO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
900 PM PST FRI NOV 1 2002

CAZ015>019-021700-

CARQUINEZ STRAIT AND DELTA-CENTRAL SACRAMENTO VALLEY-
NORTHERN SACRAMENTO VALLEY-NORTHERN SAN JOAQUIN VALLEY-
SOUTHERN SACRAMENTO VALLEY-
930 PM PST FRI NOV 1 2002

...FROST ADVISORY FOR THE INTERIOR VALLEY AND DELTA AREA OF NORTHERN 
CALIFORNIA THROUGH SATURDAY MORNING...

A COLD AND DRY AIR MASS OVER NORTHERN CALIFORNIA WILL CAUSE 
WIDESPREAD AREAS OF FROST OVER THE SACRAMENTO VALLEY...THE NORTHERN 
SAN JOAQUIN VALLEY AND PORTIONS OF THE CARQUINEZ STRAIT AND DELTA 
AREA LATE TONIGHT AND INTO SATURDAY MORNING. MINIMUM TEMPERATURES 
ARE FORECAST TO DROP INTO THE UPPER 20S AND 30S OVER MUCH OF THIS  
AREA BY SATURDAY MORNING. 

PERSONS WITH FROST SENSITIVE PLANTS SHOULD TAKE PROTECTIVE ACTION. 

DURING THE LAST COUPLE OF MORNINGS...FROST HAS BEEN ISOLATED IN 
AREAL COVERAGE DUE TO THE MODIFYING INFLUENCE OF NORTH WINDS OVER 
THE REGION. THE NORTH WINDS HAVE SUBSIDED TONIGHT...SO FROST SHOULD 
BECOME MORE WIDESPREAD IN AREAL COVERAGE THAN THE PREVIOUS COUPLE OF 
MORNINGS.    

$$
JHM