Alert archive / California / Freeze Warnings in 2012

Freeze Warning 10, NWS Eureka, CA

December 17, 2012

NWS Eureka, CA issued this freeze warning at Dec 17, 2012, 3:46 AM PST. It took effect at Dec 18, 2012, 1:00 AM PST. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 17, 2012, 3:46 AM PST (11:46 UTC)
In effect from
Dec 18, 2012, 1:00 AM PST
Expired
Dec 18, 2012, 4:44 AM PST
In force
4 hr
Issued by
NWS Eureka, CA

The text

As transmitted, in the capitals the NWS used until 2016.

083 
WWUS76 KEKA 171146
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
346 AM PST MON DEC 17 2012

...COLD AIR SINKING TOWARD NW CALIFORNIA FOR TONIGHT...

.A LARGE UPPER TROUGH WITH A SOURCE REGION OF COASTAL CANADA AND
SOUTHEAST ALASKA WILL BRING A COLD AIR MASS TO NW CALIFORNIA
TONIGHT. COLD AIR WILL REMAIN IN PLACE FOR TUESDAY NIGHT INTO
WEDNESDAY AS WELL. THESE COLD TEMPERATURES WILL AFFECT THE
REDWOOD COAST OF DEL NORTE AND HUMBOLDT COUNTIES WITH THE GREATEST
IMPACT IN HUMBOLDT COUNTY AND AWAY FROM THE IMMEDIATE COASTLINE.

CAZ001-180100-
/O.NEW.KEKA.FZ.W.0010.121218T0900Z-121218T1600Z/
REDWOOD COAST-
346 AM PST MON DEC 17 2012

...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM TUESDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM TUESDAY.

* TEMPERATURES...MINIMUM TEMPERATURES IN THE LOW 30S.

* LOCATIONS...COASTAL AREAS OF HUMBOLDT AND DEL NORTE COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO PROTECT
SENSITIVE VEGETATION. ADDITIONALLY...SENSITIVE POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE.

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE EXPECTED ACROSS
A LARGE AREA DURING THE GROWING SEASON.

&&

$$
3 follow-up statements
702 
WWUS76 KEKA 172314
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
314 PM PST MON DEC 17 2012

...COLD AIR SINKING TOWARD NW CALIFORNIA FOR TONIGHT...

.A LARGE UPPER TROUGH WITH A SOURCE REGION OF COASTAL CANADA AND
SOUTHEAST ALASKA WILL BRING A COLD AIR MASS TO NW CALIFORNIA
TONIGHT. COLD AIR WILL REMAIN IN PLACE FOR TUESDAY NIGHT INTO
WEDNESDAY AS WELL.

CAZ001-181215-
/O.CON.KEKA.FZ.W.0010.121218T0900Z-121218T1600Z/
REDWOOD COAST-
314 PM PST MON DEC 17 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM PST
TUESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM PST TUESDAY.

* TEMPERATURES...MINIMUM TEMPERATURES IN THE LOW 30S.

* LOCATIONS...COASTAL AREAS OF HUMBOLDT AND DEL NORTE COUNTIES.
  THE BEST CHANCE LOOKS TO BE IN HUMBOLDT COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO PROTECT
SENSITIVE VEGETATION. ADDITIONALLY...SENSITIVE POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE.

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE EXPECTED ACROSS
A LARGE AREA DURING THE GROWING SEASON.

&&

$$
491 
WWUS76 KEKA 181157
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
357 AM PST TUE DEC 18 2012

...COLD AIR SINKING TOWARD NW CALIFORNIA FOR THIS MORNING...

.A LARGE UPPER TROUGH WITH A SOURCE REGION OF COASTAL CANADA AND
SOUTHEAST ALASKA IS DELIVERING A COLD AIR MASS TO NW CALIFORNIA
EARLY THIS MORNING.

CAZ001-181600-
/O.CON.KEKA.FZ.W.0010.000000T0000Z-121218T1600Z/
REDWOOD COAST-
357 AM PST TUE DEC 18 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM THIS MORNING...

* TEMPERATURES...MINIMUM TEMPERATURES IN THE LOW 30S.

* LOCATIONS...AREAS AWAY FROM THE IMMEDIATE COAST IN DEL NORTE AND
  HUMBOLDT COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO PROTECT
SENSITIVE VEGETATION. ADDITIONALLY...SENSITIVE POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE.

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE EXPECTED ACROSS
A LARGE AREA DURING THE GROWING SEASON.

&&

$$
840 
WWUS76 KEKA 181244
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
444 AM PST TUE DEC 18 2012

.THE MORNING AIR MASS HAS COOLED WITH THE INFILTRATION OF AIR
FROM COASTAL CANADA. HOWEVER, TEMPERATURES HAVE NOT REACHED BELOW
THE MID 30S THIS MORNING AND ARE NOT EXPECTED TO DROP BELOW
FREEZING. THEREFORE THE FREEZE WARNING IS CANCELLED.

CAZ001-181345-
/O.CAN.KEKA.FZ.W.0010.000000T0000Z-121218T1600Z/
REDWOOD COAST-
444 AM PST TUE DEC 18 2012

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE FREEZE
WARNING.

$$

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 17, 3:14 PM PSTWinter Storm WatchEKA35 hr
Dec 17, 3:19 PM PSTGale WatchEKA12 hr

Nearby

Freeze Warnings in California, 2012Every freeze warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.