Alert archive / California / Winter Weather Advisories in 2012

Winter Weather Advisory 20, NWS Eureka, CA

December 24, 2012

NWS Eureka, CA issued this winter weather advisory at Dec 24, 2012, 2:41 PM PST. It took effect at Dec 25, 2012, 6:00 PM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Dec 24, 2012, 2:41 PM PST (22:41 UTC)
In effect from
Dec 25, 2012, 6:00 PM PST
Expired
Dec 26, 2012, 12:00 PM PST
In force
18 hr
Issued by
NWS Eureka, CA

The text

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

420 
WWUS46 KEKA 242241
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
241 PM PST MON DEC 24 2012

...COLD FRONT TO BRING HIGH ELEVATION SNOW ON TUESDAY...

.ANOTHER COLD FRONT IS EXPECTED TO BRING RAIN AND HIGH ELEVATION
SNOW STARTING TUESDAY. SNOW LEVELS WILL INITIALLY BE AROUND 1500
TO 2000 FEET ACROSS THE AREA EARLY TUESDAY MORNING WITH MOSTLY
LIGHT SNOW ACCUMULATIONS EXPECTED BY 10 AM. SNOW LEVELS WILL
RISE TO 4000 FEET AND HIGHER THROUGH MOST OF THE AREA AS THE
FRONT MOVES THROUGH TUESDAY AFTERNOON. HOWEVER...SNOW LEVELS
IN EASTERN TRINITY COUNTY WILL REMAIN AROUND 2000 FEET THROUGH
THE DAY ON TUESDAY. SNOW LEVELS WILL FALL TO 2500 FEET ACROSS
HUMBOLDT AND DEL NORTE COUNTIES TUESDAY NIGHT AS COLDER AND
UNSTABLE AIR SPREADS INTO THE AREA.

CAZ004-250645-
/O.UPG.KEKA.WS.A.0005.121225T1600Z-121226T1100Z/
/O.NEW.KEKA.WS.W.0007.121225T1600Z-121226T1100Z/
UPPER TRINITY RIVER-
241 PM PST MON DEC 24 2012

...WINTER STORM WARNING IN EFFECT FROM 8 AM TUESDAY TO 3 AM PST
WEDNESDAY ABOVE 2000 FEET...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WINTER STORM
WARNING ABOVE 2000 FEET FOR HEAVY SNOW WHICH IS IN EFFECT FROM 8
AM TUESDAY TO 3 AM PST WEDNESDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* SNOW ACCUMULATIONS...8 TO 12 INCHES ABOVE 2500 FEET...4 TO 6
  INCHES DOWN TO 2000 FEET AND 1 TO 2 INCHES DOWN TO 1500 FEET.

* LOCATIONS...TRINITY COUNTY. THE HIGHEST AMOUNTS WILL BE IN EAST
  OF JUNCTION CITY.

* HIGHWAYS/PASSES IMPACTED...HIGHWAYS 3...36 AND 299. THIS
  INCLUDES BUCKHORN SUMMIT AND OREGON MOUNTAIN PASS ON HWY 299 AND
  HAYFORK SUMMIT ON HWY 3.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER STORM WARNING MEANS THAT HEAVY SNOWFALL IS EXPECTED
ACROSS A LARGE AREA.

&&

$$

CAZ003-250645-
/O.NEW.KEKA.WW.Y.0020.121226T0200Z-121226T2000Z/
NORTH COAST INTERIOR-
241 PM PST MON DEC 24 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM TUESDAY TO NOON
PST WEDNESDAY ABOVE 2500 FEET...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WINTER
WEATHER ADVISORY ABOVE 2500 FEET FOR SNOW WHICH IS IN EFFECT
FROM 6 PM TUESDAY TO 4 PM PST WEDNESDAY.

* SNOW ACCUMULATIONS...2 T0 4 INCHES ABOVE 2500 FEET AND AN INCH
  OR LESS DOWN TO 1500 FEET.

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$
10 follow-up statements
377 
WWUS46 KEKA 250559
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
959 PM PST MON DEC 24 2012

...COLD FRONT TO BRING HIGH ELEVATION SNOW ON TUESDAY...

.ANOTHER COLD FRONT IS EXPECTED TO BRING RAIN AND HIGH ELEVATION
SNOW STARTING TUESDAY. SNOW LEVELS WILL INITIALLY BE AROUND
1500 TO 2000 FEET ACROSS THE AREA EARLY TUESDAY MORNING WITH
MOSTLY LIGHT SNOW ACCUMULATIONS EXPECTED BY 10 AM. SNOW LEVELS
WILL RISE TO 4000 FEET AND HIGHER THROUGH MOST OF THE AREA AS THE
FRONT MOVES THROUGH TUESDAY AFTERNOON. HOWEVER...SNOW LEVELS IN
EASTERN TRINITY COUNTY WILL REMAIN AROUND 2000 FEET THROUGH THE
DAY ON TUESDAY. SNOW LEVELS WILL FALL TO 2500 FEET ACROSS
HUMBOLDT AND DEL NORTE COUNTIES TUESDAY NIGHT AS COLDER AND
UNSTABLE AIR SPREADS INTO THE AREA.

CAZ004-251400-
/O.CON.KEKA.WS.W.0007.121225T1600Z-121226T1100Z/
UPPER TRINITY RIVER-
959 PM PST MON DEC 24 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM TUESDAY TO
3 AM PST WEDNESDAY ABOVE 2000 FEET...

A WINTER STORM WARNING ABOVE 2000 FEET REMAINS IN EFFECT FROM
8 AM TUESDAY TO 3 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS...8 TO 12 INCHES ABOVE 2500 FEET...4 TO 6 
  INCHES DOWN TO 2000 FEET AND 1 TO 2 INCHES DOWN TO 1500 FEET. 

* LOCATIONS...TRINITY COUNTY. THE HIGHEST AMOUNTS WILL BE IN 
  EAST OF JUNCTION CITY. 

* HIGHWAYS/PASSES IMPACTED...HIGHWAYS 3...36 AND 299. THIS 
  INCLUDES BUCKHORN SUMMIT AND OREGON MOUNTAIN PASS ON HWY 299 
  AND HAYFORK SUMMIT ON HWY 3. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER STORM WARNING MEANS THAT HEAVY SNOWFALL IS EXPECTED
ACROSS A LARGE AREA.

&&

$$

CAZ003-251400-
/O.CON.KEKA.WW.Y.0020.121226T0200Z-121226T2000Z/
NORTH COAST INTERIOR-
959 PM PST MON DEC 24 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM TUESDAY TO
NOON PST WEDNESDAY ABOVE 2500 FEET...

A WINTER WEATHER ADVISORY ABOVE 2500 FEET REMAINS IN EFFECT FROM
6 PM TUESDAY TO NOON PST WEDNESDAY. 

* SNOW ACCUMULATIONS...2 T0 4 INCHES ABOVE 2500 FEET AND AN INCH 
  OR LESS DOWN TO 1500 FEET. 

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$
526 
WWUS46 KEKA 251212
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
412 AM PST TUE DEC 25 2012

...COLD FRONT TO BRING HIGH ELEVATION SNOW ON TUESDAY...

.ANOTHER COLD FRONT IS BRINGING RAIN AND HIGH ELEVATION SNOW
TO THE AREA THIS MORNING. SNOW LEVELS WILL INITIALLY BE AROUND
1500 TO 2000 FEET ACROSS THE AREA WITH MOSTLY LIGHT SNOW
ACCUMULATIONS EXPECTED BY 10 AM. SNOW LEVELS WILL RISE TO 4000
FEET AND HIGHER THROUGH MOST OF THE AREA AS THE FRONT MOVES
THROUGH TUESDAY AFTERNOON. HOWEVER...SNOW LEVELS IN EASTERN
TRINITY COUNTY WILL REMAIN AROUND 2000 FEET THROUGH THE DAY ON
TUESDAY. SNOW LEVELS WILL FALL TO 2500 FEET ACROSS HUMBOLDT AND
DEL NORTE COUNTIES TUESDAY NIGHT AS COLDER AND UNSTABLE AIR
SPREADS INTO THE AREA.

CAZ004-252015-
/O.CON.KEKA.WS.W.0007.121225T1600Z-121226T1100Z/
UPPER TRINITY RIVER-
412 AM PST TUE DEC 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 3 AM PST WEDNESDAY ABOVE 2000 FEET...

A WINTER STORM WARNING ABOVE 2000 FEET REMAINS IN EFFECT FROM
8 AM THIS MORNING TO 3 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS...8 TO 12 INCHES ABOVE 2500 FEET...4 TO 6 
  INCHES DOWN TO 2000 FEET AND 1 TO 2 INCHES DOWN TO 1500 FEET. 

* LOCATIONS...TRINITY COUNTY. THE HIGHEST AMOUNTS WILL BE IN 
  EAST OF JUNCTION CITY.

* HIGHWAYS/PASSES IMPACTED...HIGHWAYS 3...36 AND 299. THIS 
  INCLUDES BUCKHORN SUMMIT AND OREGON MOUNTAIN PASS ON HWY 299 
  AND HAYFORK SUMMIT ON HWY 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER STORM WARNING MEANS THAT HEAVY SNOWFALL IS EXPECTED
ACROSS A LARGE AREA.

&&

$$

CAZ003-252015-
/O.CON.KEKA.WW.Y.0020.121226T0200Z-121226T2000Z/
NORTH COAST INTERIOR-
412 AM PST TUE DEC 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST WEDNESDAY ABOVE 2500 FEET...

A WINTER WEATHER ADVISORY ABOVE 2500 FEET REMAINS IN EFFECT FROM
6 PM THIS EVENING TO NOON PST WEDNESDAY. 

* SNOW ACCUMULATIONS...2 T0 4 INCHES ABOVE 2500 FEET AND AN INCH 
  OR LESS DOWN TO 1500 FEET. 

* TIMING...SNOW LEVELS WILL REMAIN HIGH TODAY AND FALL TONIGHT
  BEHIND THE COLD FRONT. 

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$
879 
WWUS46 KEKA 252044
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1244 PM PST TUE DEC 25 2012

...COLD FRONT TO BRING HIGH ELEVATION SNOW ON TUESDAY...

.ANOTHER COLD FRONT IS BRINGING RAIN AND HIGH ELEVATION SNOW TO
THE AREA THIS MORNING. SNOW LEVELS WILL RISE TO 4000 FEET OR HIGHER
THROUGH MOST OF THE AREA AS THE FRONT MOVES THROUGH THIS AFTERNOON.
HOWEVER...SNOW LEVELS IN EASTERN TRINITY COUNTY WILL REMAIN AROUND
2000 FEET THROUGH THE DAY. SNOW LEVELS WILL FALL TO 2500 FEET
ACROSS HUMBOLDT AND DEL NORTE COUNTIES TONIGHT AS COLDER AND
UNSTABLE AIR SPREADS INTO THE AREA.

CAZ004-260445-
/O.CON.KEKA.WS.W.0007.000000T0000Z-121226T1100Z/
UPPER TRINITY RIVER-
1244 PM PST TUE DEC 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PST
WEDNESDAY ABOVE 2000 FEET...

* SNOW ACCUMULATIONS...8 TO 12 INCHES ABOVE 2500 FEET...4 TO 6
  INCHES DOWN TO 2000 FEET AND 1 TO 2 INCHES DOWN TO 1500 FEET.
  LOCALLY HIGHER AMOUNTS POSSIBLE IN HIGH VALLEY AREAS.

* LOCATIONS...TRINITY COUNTY. THE HIGHEST AMOUNTS WILL BE IN 
  EAST OF JUNCTION CITY.

* HIGHWAYS/PASSES IMPACTED...HIGHWAYS 3...36 AND 299. THIS 
  INCLUDES BUCKHORN SUMMIT AND OREGON MOUNTAIN PASS ON HWY 299 
  AND HAYFORK SUMMIT ON HWY 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER STORM WARNING MEANS THAT HEAVY SNOWFALL IS EXPECTED
ACROSS A LARGE AREA.

&&

$$

CAZ003-260445-
/O.CON.KEKA.WW.Y.0020.121226T0200Z-121226T2000Z/
NORTH COAST INTERIOR-
1244 PM PST TUE DEC 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST WEDNESDAY ABOVE 2500 FEET...

* SNOW ACCUMULATIONS...2 T0 4 INCHES ABOVE 2500 FEET AND AN INCH 
  OR LESS DOWN TO 1500 FEET. 

* TIMING...SNOW LEVELS WILL REMAIN HIGH TODAY AND FALL TONIGHT 
  BEHIND THE COLD FRONT.

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$
562 
WWUS46 KEKA 252045 CCA
WSWEKA

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE EUREKA CA
1244 PM PST TUE DEC 25 2012

...COLD FRONT TO BRING HIGH ELEVATION SNOW ON TUESDAY...

.ANOTHER COLD FRONT IS BRINGING RAIN AND HIGH ELEVATION SNOW TO
THE AREA TODAY. SNOW LEVELS WILL RISE TO 4000 FEET OR HIGHER
THROUGH MOST OF THE AREA AS THE FRONT MOVES THROUGH THIS AFTERNOON.
HOWEVER...SNOW LEVELS IN EASTERN TRINITY COUNTY WILL REMAIN AROUND
2000 FEET THROUGH THE DAY. SNOW LEVELS WILL FALL TO 2500 FEET
ACROSS HUMBOLDT AND DEL NORTE COUNTIES TONIGHT AS COLDER AND
UNSTABLE AIR SPREADS INTO THE AREA.

CAZ004-260500-
/O.CON.KEKA.WS.W.0007.000000T0000Z-121226T1100Z/
UPPER TRINITY RIVER-
1244 PM PST TUE DEC 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PST
WEDNESDAY ABOVE 2000 FEET...

* SNOW ACCUMULATIONS...8 TO 12 INCHES ABOVE 2500 FEET...4 TO 6
  INCHES DOWN TO 2000 FEET AND 1 TO 2 INCHES DOWN TO 1500 FEET.
  LOCALLY HIGHER AMOUNTS POSSIBLE IN HIGH VALLEY AREAS.

* LOCATIONS...TRINITY COUNTY. THE HIGHEST AMOUNTS WILL BE IN 
  EAST OF JUNCTION CITY.

* HIGHWAYS/PASSES IMPACTED...HIGHWAYS 3...36 AND 299. THIS 
  INCLUDES BUCKHORN SUMMIT AND OREGON MOUNTAIN PASS ON HWY 299 
  AND HAYFORK SUMMIT ON HWY 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER STORM WARNING MEANS THAT HEAVY SNOWFALL IS EXPECTED
ACROSS A LARGE AREA.

&&

$$

CAZ003-260500-
/O.CON.KEKA.WW.Y.0020.121226T0200Z-121226T2000Z/
NORTH COAST INTERIOR-
1244 PM PST TUE DEC 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO NOON PST WEDNESDAY ABOVE 2500 FEET...

* SNOW ACCUMULATIONS...2 T0 4 INCHES ABOVE 2500 FEET AND AN INCH 
  OR LESS DOWN TO 1500 FEET. 

* TIMING...SNOW LEVELS WILL REMAIN HIGH TODAY AND FALL TONIGHT 
  BEHIND THE COLD FRONT.

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$
647 
WWUS46 KEKA 252344
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
344 PM PST TUE DEC 25 2012

...COLD FRONT TO BRING HIGH ELEVATION SNOW ON TUESDAY...

.A COLD FRONT WILL CONTINUE TO BRING RAIN AND HIGH ELEVATION SNOW
TO THE AREA TONIGHT AND WEDNESDAY. SNOW LEVELS IN EASTERN TRINITY
COUNTY WILL DROP TO AROUND 1500 FEET TONIGHT. SNOW LEVELS WILL FALL TO
2500 FEET ACROSS HUMBOLDT AND DEL NORTE COUNTIES TONIGHT AS COLDER
AIR SPREADS INTO THE AREA.

CAZ004-261100-
/O.CON.KEKA.WS.W.0007.000000T0000Z-121226T1100Z/
UPPER TRINITY RIVER-
344 PM PST TUE DEC 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PST
WEDNESDAY ABOVE 2000 FEET...

* ADDITIONAL SNOW ACCUMULATIONS...2 TO 4 INCHES TONIGHT. HIGHER
  AMOUNTS LIKELY IN HIGH VALLEY AREAS.

* LOCATIONS...TRINITY COUNTY. THE HIGHEST AMOUNTS WILL BE IN 
  EAST OF JUNCTION CITY. 

* HIGHWAYS/PASSES IMPACTED...HIGHWAYS 3...36 AND 299. THIS 
  INCLUDES BUCKHORN SUMMIT AND OREGON MOUNTAIN PASS ON HWY 299 
  AND HAYFORK SUMMIT ON HWY 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER STORM WARNING MEANS THAT HEAVY SNOWFALL IS EXPECTED
ACROSS A LARGE AREA.

&&

$$

CAZ003-261100-
/O.CON.KEKA.WW.Y.0020.121226T0200Z-121226T2000Z/
NORTH COAST INTERIOR-
344 PM PST TUE DEC 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON PST
WEDNESDAY ABOVE 2500 FEET...

* SNOW ACCUMULATIONS...2 TO 4 INCHES TONIGHT LIKELY. ADDITIONAL 1
  TO 3 INCHES POSSIBLE WEDNESDAY MORNING.

* TIMING...SNOW LEVELS WILL FALL TONIGHT BEHIND THE COLD FRONT.

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$

CARROLL
392 
WWUS46 KEKA 260636
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1036 PM PST TUE DEC 25 2012

...COLD FRONT TO BRING HIGH ELEVATION SNOW INTO WEDNESDAY MORNING...

.A COLD FRONT WILL CONTINUE TO BRING RAIN AND HIGH ELEVATION SNOW
TO THE AREA TONIGHT AND WEDNESDAY. SNOW LEVELS IN EASTERN TRINITY
COUNTY WILL DROP TO AROUND 1500 FEET TONIGHT. SNOW LEVELS WILL
FALL TO 2500 FEET ACROSS HUMBOLDT AND DEL NORTE COUNTIES TONIGHT
AS COLDER AIR SPREADS INTO THE AREA.

CAZ004-261445-
/O.EXT.KEKA.WS.W.0007.000000T0000Z-121226T1800Z/
UPPER TRINITY RIVER-
1036 PM PST TUE DEC 25 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM PST WEDNESDAY
ABOVE 2000 FEET...

THE WINTER STORM WARNING ABOVE 2000 FEET IS NOW IN EFFECT UNTIL
10 AM PST WEDNESDAY. 

* ADDITIONAL ACCUMULATIONS...3 TO 6 INCHES. HIGHER AMOUNTS LIKELY
  IN HIGH VALLEY AREAS.

* LOCATIONS...TRINITY COUNTY. THE HIGHEST AMOUNTS WILL BE IN 
  EAST OF JUNCTION CITY. 

* HIGHWAYS/PASSES IMPACTED...HIGHWAYS 3...36 AND 299. THIS 
  INCLUDES BUCKHORN SUMMIT AND OREGON MOUNTAIN PASS ON HWY 299 
  AND HAYFORK SUMMIT ON HWY 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER STORM WARNING MEANS THAT HEAVY SNOWFALL IS EXPECTED
ACROSS A LARGE AREA.

&&

$$

CAZ003-261445-
/O.CON.KEKA.WW.Y.0020.000000T0000Z-121226T2000Z/
NORTH COAST INTERIOR-
1036 PM PST TUE DEC 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON PST
WEDNESDAY ABOVE 2500 FEET...

A WINTER WEATHER ADVISORY ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
NOON PST WEDNESDAY. 

* SNOW ACCUMULATIONS...2 TO 4 INCHES TONIGHT. ADDITIONAL 1 TO 3
  INCHES POSSIBLE WEDNESDAY MORNING. 

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$
358 
WWUS46 KEKA 261119
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
319 AM PST WED DEC 26 2012

...UPPER LEVEL TROUGH WILL CONTINUE TO BRING RAIN AND SNOW
SHOWERS...

.AN UPPER LEVEL TROUGH WILL CONTINUE TO BRING RAIN AND HIGH
ELEVATION SNOW TO THE AREA TODAY. SHOWERS WILL DIMINISH THIS
AFTERNOON WITH ONLY A FEW SHOWERS LINGERING OVERNIGHT TONIGHT. 

CAZ004-261800-
/O.CON.KEKA.WS.W.0007.000000T0000Z-121226T1800Z/
UPPER TRINITY RIVER-
319 AM PST WED DEC 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 2000 FEET...

A WINTER STORM WARNING ABOVE 2000 FEET REMAINS IN EFFECT UNTIL
10 AM PST THIS MORNING. 

* ADDITIONAL ACCUMULATIONS...3 TO 6 INCHES...MAINLY THIS MORNING.
  LOCALLY HIGHER AMOUNTS POSSIBLE IN THE HEAVIER SHOWERS.

* LOCATIONS...TRINITY COUNTY. SNOW LEVELS WILL RANGE FROM 1500
  FEET TO 2500 FEET. THE LOWEST SNOW LEVELS WILL BE EAST OF
  JUNCTION CITY.

* HIGHWAYS/PASSES IMPACTED...HIGHWAYS 3...36 AND 299. THIS 
  INCLUDES BUCKHORN SUMMIT AND OREGON MOUNTAIN PASS ON HWY 299 
  AND HAYFORK SUMMIT ON HWY 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

&&

$$

CAZ003-261930-
/O.CON.KEKA.WW.Y.0020.000000T0000Z-121226T2000Z/
NORTH COAST INTERIOR-
319 AM PST WED DEC 26 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY
ABOVE 2500 FEET...

A WINTER WEATHER ADVISORY ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
NOON PST TODAY. 

* SNOW ACCUMULATIONS...2 TO 4 INCHES TODAY 

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$
675 
WWUS46 KEKA 261416
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
616 AM PST WED DEC 26 2012

...UPPER LEVEL TROUGH WILL CONTINUE TO BRING RAIN AND SNOW
SHOWERS...

.AN UPPER LEVEL TROUGH WILL CONTINUE TO BRING RAIN AND HIGH
ELEVATION SNOW TO THE AREA TODAY. SHOWERS WILL DIMINISH THIS
AFTERNOON WITH ONLY A FEW SHOWERS LINGERING OVERNIGHT TONIGHT.

CAZ004-261800-
/O.CON.KEKA.WS.W.0007.000000T0000Z-121226T1800Z/
UPPER TRINITY RIVER-
616 AM PST WED DEC 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 2000 FEET...

A WINTER STORM WARNING ABOVE 2000 FEET REMAINS IN EFFECT UNTIL
10 AM PST THIS MORNING. 

* ADDITIONAL ACCUMULATIONS...3 TO 6 INCHES...MAINLY THIS 
  MORNING.LOCALLY HIGHER AMOUNTS POSSIBLE IN THE HEAVIER 
  SHOWERS. 

* LOCATIONS...TRINITY COUNTY. SNOW LEVELS WILL RANGE FROM 1500 
  FEET TO 2500 FEET. THE LOWEST SNOW LEVELS WILL BE EAST OF 
  JUNCTION CITY.

* HIGHWAYS/PASSES IMPACTED...HIGHWAYS 3...36 AND 299. THIS 
  INCLUDES BUCKHORN SUMMIT AND OREGON MOUNTAIN PASS ON HWY 299 
  AND HAYFORK SUMMIT ON HWY 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

&&

$$

CAZ003-262000-
/O.CON.KEKA.WW.Y.0020.000000T0000Z-121226T2000Z/
NORTH COAST INTERIOR-
616 AM PST WED DEC 26 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY
ABOVE 2500 FEET...

A WINTER WEATHER ADVISORY ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
NOON PST TODAY. 

* SNOW ACCUMULATIONS...2 TO 4 INCHES TODAY

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$
105 
WWUS46 KEKA 261757
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
957 AM PST WED DEC 26 2012

...UPPER LEVEL TROUGH WILL CONTINUE TO BRING RAIN AND SNOW
SHOWERS...

.AN UPPER LEVEL TROUGH WILL CONTINUE TO BRING RAIN AND HIGH
ELEVATION SNOW TO THE AREA TODAY. SHOWERS WILL DIMINISH THIS
AFTERNOON WITH ONLY A FEW SHOWERS LINGERING TONIGHT.

CAZ004-261900-
/O.EXP.KEKA.WS.W.0007.000000T0000Z-121226T1800Z/
UPPER TRINITY RIVER-
957 AM PST WED DEC 26 2012

...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING
ABOVE 2000 FEET...

ADDITIONAL SNOW AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN HEAVIER
SNOW SHOWERS ABOVE 2500 FT.

$$

CAZ003-262000-
/O.CON.KEKA.WW.Y.0020.000000T0000Z-121226T2000Z/
NORTH COAST INTERIOR-
957 AM PST WED DEC 26 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY
ABOVE 2500 FEET...

* SNOW ACCUMULATIONS...2 TO 4 INCHES TODAY.

* LOCATIONS...INTERIOR DEL NORTE AND INTERIOR HUMBOLDT COUNTIES.

* HIGHWAYS/PASSES IMPACTED...BERRY SUMMIT ON HWY 299.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALLOW EXTRA TIME FOR ANY PLANNED TRAVEL. PACK A CAR SAFETY KIT.
FOR UPDATED ROAD CONDITIONS AND POSSIBLE CHAIN REQUIREMENTS CALL
1-800-427-7623.

BE PREPARED FOR CHANGING CONDITIONS. REMEMBER THAT ROCK SLIDES
OCCUR IN MOUNTAINOUS TERRAIN.

A WINTER WEATHER ADVISORY MEANS THAT SIGNIFICANT SNOWFALL IS
EXPECTED ACROSS A LARGE AREA.

&&

$$

CARROLL
124 
WWUS46 KEKA 261952
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1152 AM PST WED DEC 26 2012

CAZ003-262100-
/O.EXP.KEKA.WW.Y.0020.000000T0000Z-121226T2000Z/
NORTH COAST INTERIOR-
1152 AM PST WED DEC 26 2012

...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON TODAY ABOVE 2500
FEET...

ADDITIONAL SNOW AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN HEAVIER
SNOW SHOWERS ABOVE 3000 FT.

$$

CARROLL

What forecasters said that day

The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Eureka, CA wrote its last area forecast discussion before this winter weather advisory went out at Dec 24, 4:25 AM PST, 10 hours 16 minutes earlier.

Area forecast discussion, Dec 24, 4:25 AM PST, 10 hours 16 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
425 AM PST MON DEC 24 2012

.SYNOPSIS...HIGH PRESSURE WILL CONTINUE TO BUILD TODAY AND PRODUCE DRY
WEATHER. ANOTHER STORM WILL APPROACH LATE TONIGHT...BRINGING
ANOTHER ROUND OF RAIN AND MOUNTAIN SNOW TUESDAY THROUGH WEDNESDAY.
HIGH PRESSURE BUILDS IN AGAIN THURSDAY AND FRIDAY BRINGING FAIRLY
DRY WEATHER.

&&

.SHORT TERM...THE UPPER LEVEL TROUGH HAS MOVED INLAND AND HIGH
PRESSURE HAS BEGUN TO BUILD IN. A FEW ISOLATED SHOWERS ARE
LINGERING THIS MORNING...HOWEVER THESE SHOULD DIMINISH BY SUNRISE
THIS MORNING. THE MAIN FORECAST CHALLENGE FOR TODAY IS CLOUD
COVER. THE COAST SHOULD SEE A PARTLY CLOUDY TO MOSTLY CLEAR DAY.
INLAND AREAS WILL LIKELY HAVE CLOUDS AND POSSIBLY SOME FOG
LINGERING IN THE VALLEYS. THE MAIN CHALLENGE IS TIMING WHEN THESE
WILL CLEAR OUT. THIS MAY ALSO INHIBIT TEMPERATURES FROM RISING
MUCH IN THESE VALLEYS TODAY SO KEPT TEMPERATURES FAIRLY COOL
INLAND.

TONIGHT CLOUDS WILL BEGIN TO INCREASE AS THE NEXT SYSTEM
APPROACHES THE AREA. MODELS CONTINUE TO SLOW THIS SYSTEM DOWN BY A
FEW HOURS SO MADE A FEW ADJUSTMENTS TO THE POPS AND QPF. THIS
STORM LOOKS TO BRING A FAIRLY QUICK 1 TO 2 INCHES OF RAIN ON
TUESDAY AFTERNOON. A FEW THUNDERSTORMS ARE POSSIBLE WITH THIS
FRONT...ESPECIALLY IN THE SOUTHERN WATERS AND COASTAL MENDOCINO SO
ADDED A SLIGHT CHANCE TO THE FORECAST. COLD AIR LOOKS TO LINGER IN
TRINITY COUNTY AGAIN SO HAVE ISSUED A WINTER STORM WATCH ABOVE
2500 FEET. CONFIDENCE IS LOW ON THE EXACT ELEVATION THE SNOW
LEVELS WILL BUT BETWEEN 2000 AND 2500 FEET LOOKS LIKELY IN EASTERN
TRINITY COUNTY. CLOSER TO THE COAST AND FARTHER SOUTH SNOW LEVELS
LOOK TO BE HIGHER...RANGING FROM 3000 FT TO 5000 FT. A SNOW
ADVISORY MAY BE NEEDED FOR INTERIOR HUMBOLDT AND DEL NORTE
COUNTIES...HOWEVER SIGNIFICANT SNOWFALL SHOULD REMAIN ABOVE MAJOR
PASS LEVELS. GUSTY WINDS ARE EXPECTED ALONG THE REDWOOD
COAST...BUT AT THIS POINT THESE SHOULD PEAK AROUND 40 MPH AND
REMAIN BELOW ADVISORY LEVELS. WINDS COULD BE SLIGHTLY HIGHER AT
CRESCENT CITY...THIS WILL NEED TO BE WATCHED.

BEHIND THE FRONT TUESDAY NIGHT INTO WEDNESDAY SNOW LEVELS FALL TO
NEAR 3000 FEET AS COLDER AIR MOVES IN BEHIND THE FRONT. WITH THE
FRONT MOVING THROUGH EXPECT THE INCREASED MIXING WILL MIX OUT OF THE
EASTERN VALLEYS OF TRINITY COUNTY SO SNOW LEVELS MAY ACTUALLY RISE
THERE ON WEDNESDAY. NUMEROUS SHOWERS LOOK TO LINGER TUESDAY NIGHT
THROUGH WEDNESDAY NIGHT. A SNOW ADVISORY MAY BE NEEDED FOR THIS
TIME PERIOD IF SNOW LEVELS END UP SLIGHTLY LOWER THAN EXPECTED.
THE AIR DOESNT LOOK COLD ENOUGH TO PRODUCE SIGNIFICANT AMOUNTS OF
SMALL HAIL AT THIS POINT SO WILL NOT HIGHLIGHT THIS THREAT.

THURSDAY THE GFS AND ECMWF ARE IN GOOD AGREEMENT ON THE RIDGE
BUILDING IN. SHOWERS SHOULD COME TO AN END FAIRLY QUICKLY ON
THURSDAY WITH SKIES BECOMING PARTLY CLOUDY IN THE AFTERNOON. MKK

.LONG TERM...MODELS REMAINED IN DECENT AGREEMENT ON THU WITH HIGH
PRESSURE ALOFT BUILDING OVER THE AREA AND LIGHT OFFSHORE FLOW
DEVELOPING THROUGH THE DAY. ALL THE MODELS HAVE A SPLITTING TROUGH
APPROACHING ON FRIDAY. IT MAY GET CLOSE ENOUGH TO PRODUCE SOME
SHOWERS. TREND IS FOR THIS TROUGH TO STAY FAR ENOUGH AWAY FROM THE
COAST AS COLD ARCTIC AIR DIGS IN FROM THE NE. HAVE LOWERED POPS TO
SLIGHT CHANCE WITH MODELS CONSISTENT KEEPING PRECIPITATION OFF THE
COAST. IT DOES LOOK LIKE WE SEE A SPELL OF DRY WEATHER OVER THE
WEEKEND.

&&

.AVIATION...FAIRLY QUIET FORECAST PERIOD IN MOST AREAS. HIGH
PRESSURE IS BUILDING IN A CREATING SOME WEAK OFFSHORE FLOW. THIS
HAS HELP WITH THE CLEARING AT THE COAST. THERE ARE SOME LOW
CLOUDS ACROSS THE INLAND AREAS THIS MORNING. EXPECT SKIES WILL BE
MAINLY CLEAR ACROSS THE AREA THIS AFTERNOON. TONIGHT WINDS WILL
BECOME SOUTHERLY AND INCREASE AS THE NEXT FRONT APPROACHES THE
AREA THERE IS A CHANCE FOR SOME PATCHY FOG ACROSS THE INLAND
AREAS TONIGHT...HOWEVER INCREASING SOUTHERLY WINDS SHOULD KEEP
THINGS MIXED ENOUGH TO KEEP MOST OF THE FOG AWAY. ALONG THE COAST
WINDS PICK UP TOWARDS MORNING AND WILL CONTINUE TO INCREASE DURING
THE DAY ON TUESDAY. MKK

&&

.MARINE...LIGHT WINDS AND LOWER SEAS WILL PERSIST TODAY IN BETWEEN
SYSTEMS AS AN UPPER LEVEL RIDGE MOVES OVER THE WEST COAST. LATER
TONIGHT SOUTHERLY WINDS WILL BE ON THE INCREASE AS THE NEXT COLD
FRONT APPROACHES THE WATERS. A COASTAL JET LOOKS TO DEVELOP AHEAD OF
THIS FRONT WITH GALE FORCE WINDS VERY LIKELY OVER THE OUTER WATERS
LATE MONDAY NIGHT INTO TUESDAY. GALES MAY EXTEND INTO THE INNER
WATERS AS WELL DURING THE DAY TUESDAY...SO HAVE ISSUED A GALE WATCH
FOR THE INNER WATER ZONES WHERE CONFIDENCE IS LOWER. WINDS WILL DROP
OFF SHARPLY TUESDAY EVENING AS THE FRONT MOVES INLAND. HOWEVER A
SECONDARY LOW PRESSURE SYSTEM MAY ALLOW THUNDERSTORMS TO DEVELOP
OVER THE WATERS INTO THE EVENING HOURS WITH THE POTENTIAL FOR STRONG
STORMS AS SOUTHERLY LOW LEVEL FLOW REMAINS OVER THE WATERS THROUGH
THE EVENING. THIS WILL HAVE TO BE MONITORED CLOSELY.

OVERNIGHT TUESDAY INTO WEDNESDAY A LARGE LONG PERIOD NORTHWESTERLY
SWELL WILL BUILD INTO THE WATERS WITH PEAK WAVES 15 TO 18 FEET. AT
THIS TIME THIS SHOULD KEEP THE WAVES JUST BELOW HAZARDOUS SEAS
WARNING CRITERIA. SCA SEAS WILL PERSIST INTO THURSDAY. MODEL
GUIDANCE THEN INDICATES A NEW SYSTEM WILL APPROACH THE WATERS FRIDAY
WITH INCREASING SOUTHERLY WINDS ONCE AGAIN. UNCERTAINTY IN ACTUAL
WIND SPEEDS AND WAVE HEIGHTS IS HIGH AS THE UPPER LEVEL TROUGH
ASSOCIATED WITH THIS SYSTEM IS FORECAST TO SPLIT AS IT APPROACHES
THE COAST. MODELS TYPICALLY PERFORM POORLY IN THESE TYPE OF
SITUATIONS...SO LARGE ADJUSTMENTS MAY BE NEEDED IN THE FORECAST FOR
THE FRIDAY THROUGH SATURDAY PERIOD OVER THE NEXT FEW DAYS. RPA

&&

.HYDROLOGY...THE NAVARRO HAS DROPPED BELOW FLOOD WARNING LEVELS SO
HAVE ENDED THE WARNING. THE RUSSIAN RIVER HAS DROPPED BELOW 15 SO
ENDED THE ADVISORY FOR THIS AS WELL. THE EEL RIVER AT FERNBRIDGE
CONTINUES TO BE ABOVE MONITOR STAGE...BUT FORECAST LOOKS TO BE IN
GOOD SHAPE AND CONFIDENCE IS HIGH IT WILL STAY BELOW FLOOD STAGE.
WILL CONTINUE THE RVS STATEMENTS ON IT. MKK

&&

.EKA WATCHES/WARNINGS/ADVISORIES...
CA...NONE.
NORTHWEST CALIFORNIA COASTAL WATERS...
     GALE WATCH FROM TUESDAY MORNING THROUGH TUESDAY
     AFTERNOON PZZ450.

     SMALL CRAFT ADVISORY FROM 1 AM TO 6 AM PST TUESDAY PZZ450.

     GALE WARNING FROM 7 PM THIS EVENING TO 4 PM PST TUESDAY PZZ470.

     GALE WARNING FROM 11 PM THIS EVENING TO 4 PM PST TUESDAY PZZ475.

     GALE WATCH FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON PZZ455.

     SMALL CRAFT ADVISORY FROM 2 AM TO 9 AM PST TUESDAY PZZ455.

&&

VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA

FOLLOW US ON FACEBOOK AND TWITTER AT:
HTTP://WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.EUREKA.GOV
HTTP://WWW.TWITTER.COM/NWSEUREKA
Hazardous weather outlook, Dec 24, 5:44 AM PST, 8 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EUREKA CA
544 AM PST MON DEC 24 2012

CAZ001>003-076-251345-
REDWOOD COAST-MENDOCINO COAST-NORTH COAST INTERIOR-
MENDOCINO INTERIOR-
544 AM PST MON DEC 24 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

ANOTHER STORM IS EXPECTED TO HIT ON TUESDAY AND LAST
INTO WEDNESDAY. GUSTY WINDS ARE EXPECTED ALONG THE COAST. SNOW
ELEVATIONS WILL BEGIN AROUND 2500 FEET AND QUICKLY TO 4000 FEET.
5 TO 12 INCHES OF SNOW ACCUMULATION IS POSSIBLE ABOVE 4000 FEET.
ONE TO TWO INCHES OF RAIN IS LIKELY AS WELL.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CAZ004-251345-
UPPER TRINITY RIVER-
544 AM PST MON DEC 24 2012

...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

A WINTER STORM WATCH IS CURRENTLY IN EFFECT FOR TUESDAY AND
TUESDAY NIGHT.

ANOTHER STORM IS EXPECTED TO HIT ON TUESDAY AND LAST INTO
WEDNESDAY. SNOW LEVELS WILL REMAIN AROUND 2000 FEET IN EASTERN
TRINITY COUNTY. SNOW AMOUNTS WILL RANGE FROM 5 TO 12 INCHES. FOR
MORE INFORMATION SEE WINTER STORM WATCH STATEMENT ON
WEATHER.GOV/EUREKA.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS TO THE NATIONAL
WEATHER SERVICE IN EUREKA.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 5:19 PM PSTAreal Flood AdvisoryEKAMendocino3 hr
Dec 24, 4:20 AM PSTWinter Storm WatchEKA10 hr
Dec 24, 4:35 AM PSTGale WatchEKA11 hr
Dec 24, 4:35 AM PSTGale WarningEKA34 hr
Dec 24, 4:35 AM PSTSmall Craft AdvisoryEKA26 hr
Dec 24, 2:41 PM PSTWinter Storm WarningEKA43 hr

Nearby

Winter Weather Advisories in California, 2012Every winter weather advisory 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.