Alert archive / California / Winter Storm Warnings in 2012

Winter Storm Warning 1, NWS Eureka, CA

January 17, 2012

NWS Eureka, CA issued this winter storm warning at Jan 17, 2012, 3:40 PM PST. It took effect at Jan 17, 2012, 10:00 PM PST. It was in force for 24 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
Jan 17, 2012, 3:40 PM PST (23:40 UTC)
In effect from
Jan 17, 2012, 10:00 PM PST
Expired
Jan 18, 2012, 10:11 PM PST
In force
24 hr
Issued by
NWS Eureka, CA

The text

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

134 
WWUS46 KEKA 172340
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
340 PM PST TUE JAN 17 2012

CAZ004-180745-
/O.UPG.KEKA.WW.Y.0001.120118T0600Z-120119T0000Z/
/O.NEW.KEKA.WS.W.0001.120118T0600Z-120119T1800Z/
UPPER TRINITY RIVER-
340 PM PST TUE JAN 17 2012

...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY 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
10 PM THIS EVENING TO 10 AM PST THURSDAY. THE WINTER WEATHER
ADVISORY IS NO LONGER IN EFFECT.

* INITIALLY SNOW WILL FALL AT THE VALLEY FLOORS LATE TONIGHT. SNOW
  LEVELS WILL RISE THROUGH THE DAY WEDNESDAY...HOWEVER COLD AIR
  WILL REMAIN TRAPPED IN THE HAYFORK VALLEY AND FROM WEAVERVILLE
  TO TRINITY CENTER. THIS WILL KEEP SNOW LEVELS SIGNIFICANTLY
  LOWER IN THESE AREAS.

* FOR THE HAYFORK VALLEY AND FROM WEAVERVILLE TO TRINITY
  CENTER...INCLUDING OREGON MOUNTAIN AND BUCKHORN SUMMIT STORM
  TOTALS OF 6 TO 9 INCHES ARE EXPECTED AS LOW AS 2000 FEET.

* SNOW ACCUMULATIONS OF 3 TO 7 INCHES EXPECTED FROM 1500 TO 3000
  FEET ACROSS TRINITY COUNTY.

* SIGNIFICANTLY HIGHER AMOUNTS ARE EXPECTED OVER 3500 FEET.

* SLOW DOWN...ALLOW EXTRA TIME AND BE PREPARED FOR CHANGING
  CONDITIONS. THE SNOW WILL IMPACT HIGHER PASSES OF HIGHWAYS 299
  AND 36.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

CAZ003-180745-
/O.CON.KEKA.WW.Y.0001.120118T0600Z-120119T0000Z/
NORTH COAST INTERIOR-
340 PM PST TUE JAN 17 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 4 PM PST WEDNESDAY ABOVE 2000 FEET...

A WINTER WEATHER ADVISORY ABOVE 2000 FEET REMAINS IN EFFECT FROM
10 PM THIS EVENING TO 4 PM PST WEDNESDAY. 

* SNOW ACCUMULATIONS OF 3 TO 7 INCHES EXPECTED ABOVE 2000 FEET
  ACROSS INTERIOR AREAS OF HUMBOLDT AND DEL NORTE COUNTIES LATE
  TONIGHT THROUGH WEDNESDAY AFTERNOON. LESS THAN 3 INCHES MAY FALL
  AS LOW AS 1500 FEET.

* SLOW DOWN...ALLOW EXTRA TIME AND BE PREPARED FOR CHANGING 
  CONDITIONS. THE SNOW WILL IMPACT HIGHER PASSES OF HIGHWAYS 
  199...299 AND 36.

* CHECK THE LATEST FORECASTS AND CALL 1-800-427-7623 FOR 
  CURRENT ROAD CONDITIONS AND CHAIN REQUIREMENTS BEFORE 
  TRAVEL LING. 

* BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
5 follow-up statements
171 
WWUS46 KEKA 180430
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
830 PM PST TUE JAN 17 2012

CAZ004-181230-
/O.CON.KEKA.WS.W.0001.120118T0600Z-120119T1800Z/
UPPER TRINITY RIVER-
830 PM PST TUE JAN 17 2012

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

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

* FOR THE HAYFORK VALLEY AND FROM WEAVERVILLE TO TRINITY
  CENTER...INCLUDING OREGON MOUNTAIN AND BUCKHORN SUMMIT...STORM
  TOTALS OF 6 TO 9 INCHES ARE EXPECTED. SNOW ACCUMULATIONS OF 3 TO
  7 INCHES EXPECTED BELOW 3000 FEET ACROSS TRINITY COUNTY. THE
  SNOW WILL IMPACT HIGHWAYS 3...36 AND 299.

* INITIALLY SNOW WILL FALL AT THE VALLEY FLOORS LATE TONIGHT. SNOW
  LEVELS WILL RISE THROUGH THE DAY WEDNESDAY...HOWEVER COLD AIR
  WILL REMAIN TRAPPED IN THE HAYFORK VALLEY AND FROM WEAVERVILLE
  TO TRINITY CENTER. THIS WILL KEEP SNOW LEVELS SIGNIFICANTLY
  LOWER IN THESE AREAS.

* SIGNIFICANTLY HIGHER AMOUNTS ARE EXPECTED ABOVE 3500 FEET.

* SLOW DOWN AND BE PREPARED FOR CHANGING CONDITIONS. ALWAYS CHECK
  THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE TRAVELLING AND
  BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ003-181230-
/O.CON.KEKA.WW.Y.0001.120118T0600Z-120119T0000Z/
NORTH COAST INTERIOR-
830 PM PST TUE JAN 17 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
WEDNESDAY ABOVE 2000 FEET...

A WINTER WEATHER ADVISORY ABOVE 2000 FEET REMAINS IN EFFECT UNTIL
4 PM PST WEDNESDAY. 

* SNOW ACCUMULATIONS OF 3 TO 7 INCHES EXPECTED ABOVE 2000 FEET
  ACROSS INTERIOR AREAS OF HUMBOLDT AND DEL NORTE COUNTIES LATE
  TONIGHT THROUGH WEDNESDAY AFTERNOON. LESS THAN 3 INCHES MAY FALL
  AS LOW AS 1500 FEET. THE SNOW WILL IMPACT PASSES ALONG HIGHWAYS
  199...299 AND 36.

* SLOW DOWN AND BE PREPARED FOR CHANGING CONDITIONS. ALWAYS
  CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE
  TRAVELLING AND BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
189 
WWUS46 KEKA 181121
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
321 AM PST WED JAN 18 2012

CAZ004-190000-
/O.CON.KEKA.WS.W.0001.000000T0000Z-120119T1800Z/
UPPER TRINITY RIVER-
321 AM PST WED JAN 18 2012

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

* FOR THE HAYFORK VALLEY AND FROM WEAVERVILLE TO TRINITY 
  CENTER...INCLUDING OREGON MOUNTAIN AND BUCKHORN SUMMIT... 
  STORM TOTALS OF 6 TO 10 INCHES ARE EXPECTED. SNOW ACCUMULATIONS 
  OF 4 TO 8 INCHES EXPECTED BELOW 3000 FEET ACROSS TRINITY 
  COUNTY. THE SNOW WILL IMPACT HIGHWAYS 3...36 AND 299. 

* INITIALLY SNOW WILL FALL AT THE VALLEY FLOORS EARLY THIS
  MORNING. SNOW LEVELS WILL RISE THROUGH THE DAY TODAY. HOWEVER...
  COLD AIR WILL REMAIN TRAPPED IN THE HAYFORK VALLEY AND FROM
  WEAVERVILLE TO TRINITY CENTER. THIS WILL KEEP SNOW LEVELS
  SIGNIFICANTLY LOWER IN THESE AREAS.

* SIGNIFICANTLY HIGHER SNOW AMOUNTS ARE EXPECTED ABOVE 3500 FEET
  WITH 2 FOOT STORM TOTALS POSSIBLE.

* SLOW DOWN AND BE PREPARED FOR CHANGING CONDITIONS. ALWAYS 
  CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE 
  TRAVELLING AND BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS 
  TERRAIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ003-190000-
/O.CON.KEKA.WW.Y.0001.000000T0000Z-120119T0000Z/
NORTH COAST INTERIOR-
321 AM PST WED JAN 18 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 2000 FEET... 

* SNOW ACCUMULATIONS OF 2 TO 6 INCHES EXPECTED ABOVE 2000 FEET
  ACROSS INTERIOR AREAS OF HUMBOLDT AND DEL NORTE COUNTIES THROUGH
  THIS AFTERNOON. THE SNOW WILL IMPACT PASSES ALONG HIGHWAYS
  199...299 AND 36.

* SLOW DOWN AND BE PREPARED FOR CHANGING CONDITIONS. ALWAYS 
  CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE 
  TRAVELLING AND BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS 
  TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
240 
WWUS46 KEKA 181742
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
942 AM PST WED JAN 18 2012

CAZ003-181845-
/O.CAN.KEKA.WW.Y.0001.000000T0000Z-120119T0000Z/
NORTH COAST INTERIOR-
942 AM PST WED JAN 18 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

SNOW LEVELS HAVE RISEN TO AROUND 3500 FEET AND WILL CONTINUE TO
RISE THROUGH THE DAY TO AROUND 5000 FEET BY LATE THIS AFTERNOON.
SNOW IS STILL EXPECTED ABOVE THE SNOW LEVEL BUT WILL REMAIN BELOW
ADVISORY LEVELS. A FEW AREAS OF LOWER SNOW LEVELS ARE POSSIBLE IN
THE KLAMATH RIVER VALLEY AND OTHER PROTECTED VALLEYS...HOWEVER SNOW
AMOUNTS IN THESE ARE EXPECTED LESS THAN 2 INCHES.

$$

CAZ004-190145-
/O.CON.KEKA.WS.W.0001.000000T0000Z-120119T1800Z/
UPPER TRINITY RIVER-
942 AM PST WED JAN 18 2012

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

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

* SNOW LEVELS WILL RISE THROUGH THE DAY TODAY. HOWEVER...COLD AIR
  WILL REMAIN TRAPPED IN THE HAYFORK VALLEY AND FROM WEAVERVILLE
  TO TRINITY CENTER. THIS WILL KEEP SNOW LEVELS SIGNIFICANTLY
  LOWER IN THESE AREAS. ADDITIONAL SNOWFALL ACCUMULATIONS OF 5 TO
  10 INCHES IS EXPECTED.

* SIGNIFICANTLY HIGHER SNOW AMOUNTS ABOVE 3500 FEET WITH 2 FOOT
  STORM TOTALS POSSIBLE.

* SLOW DOWN AND BE PREPARED FOR CHANGING CONDITIONS. ALWAYS 
  CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE 
  TRAVEL LING AND BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS 
  TERRAIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$
538 
WWUS46 KEKA 182254
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
254 PM PST WED JAN 18 2012

CAZ004-190700-
/O.CON.KEKA.WS.W.0001.000000T0000Z-120119T1800Z/
UPPER TRINITY RIVER-
254 PM PST WED JAN 18 2012

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

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

* SNOW LEVELS WILL HAVE RISEN ACROSS MUCH OF THE AREA
  TODAY...HOWEVER COLD AIR HAS BEEN TRAPPED IN VALLEYS FROM
  WEAVERVILLE TO TRINITY CENTER. THIS WILL KEEP SNOW LEVELS AROUND
  1700 FEET TONIGHT BEFORE THEY RISE TO AROUND 5000 FEET TOMORROW
  AS WARM AIR MOVES IN.

* ADDITIONAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES IS EXPECTED.
  THIS WILL BRING STORM TOTALS TO 10 TO 15 INCHES.

* SIGNIFICANTLY HIGHER SNOW AMOUNTS ABOVE 3500 FEET WITH 2 FOOT 
  STORM TOTALS POSSIBLE.

* HWY 3 AND HWY 299 IN TRINITY COUNTY WILL BE AFFECTED BY THESE
  SNOWFALL AMOUNTS.

* SLOW DOWN AND BE PREPARED FOR CHANGING CONDITIONS. ALWAYS 
  CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE TRAVEL 
  LING AND BE ALERT FOR ROCK SLIDES IN MOUNTAINOUS TERRAIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$
100 
WWUS46 KEKA 190611
WSWEKA

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1011 PM PST WED JAN 18 2012

CAZ004-190715-
/O.CAN.KEKA.WS.W.0001.000000T0000Z-120119T1800Z/
UPPER TRINITY RIVER-
1011 PM PST WED JAN 18 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE WINTER
STORM WARNING. 

WARMER AIR HAS MOVED INTO THE WEAVERVILLE AND TRINITY CENTER
VALLEYS AND SNOW HAS TURNED TO A MIX OF RAIN AND SNOW. MINOR
ACCUMULATIONS ARE STILL POSSIBLE...ESPECIALLY NEAR TRINITY CENTER
BUT OVERALL THE BULK OF THE PRECIPITATION SHOULD FALL AS RAIN FOR
THE REMAINDER OF THE NIGHT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 4:51 PM PSTWinter Weather AdvisoryEKA41 hr
Jan 17, 1:26 AM PSTHard Freeze WarningEKA7 hr
Jan 17, 3:05 AM PSTWind AdvisoryEKA36 hr
Jan 17, 3:15 AM PSTGale WarningEKA59 hr
Jan 17, 3:15 AM PSTSmall Craft AdvisoryEKA35 hr
Jan 17, 3:15 AM PSTStorm WarningEKA35 hr
Jan 17, 2:30 PM PSTGale WarningEKA6 hr
Jan 17, 3:23 PM PSTCoastal Flood AdvisoryEKA18 hr

Nearby

Winter Storm Warnings in California, 2012Every winter storm 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.