Alert archive / Alaska / Blizzard Watches in 2012

Blizzard Watch 41, NWS Anchorage, AK

December 23, 2012

NWS Anchorage, AK issued this blizzard watch at Dec 23, 2012, 9:02 PM AKST. It took effect at Dec 24, 2012, 9:00 AM AKST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 23, 2012, 9:02 PM AKST (06:02 UTC)
In effect from
Dec 24, 2012, 9:00 AM AKST
Expired
Dec 24, 2012, 5:25 AM AKST
In force
Issued by
NWS Anchorage, AK

The text

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

664 
WWAK41 PAFC 240602
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
902 PM AKST SUN DEC 23 2012

AKZ125-241915-
/X.CON.PAFC.BZ.W.0058.121224T1500Z-121225T1800Z/
WESTERN PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD...
MOOSE PASS
902 PM AKST SUN DEC 23 2012

...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM MONDAY TO 9 AM
AKST TUESDAY FROM TURNAGAIN PASS NORTH...

* LOCATION...TURNAGAIN PASS NORTH TO INCLUDE PORTAGE VALLEY... 
  EASTERN TURNAGAIN ARM...AND WHITTIER. 

* SNOW...12 TO 30 INCHES. SNOW LIKELY WILL CONTINUE THROUGH 
  TUESDAY INTO WEDNESDAY WITH ADDITIONAL ACCUMULATIONS LIKELY. 

* VISIBILITY...REDUCED BELOW ONE QUARTER MILE AT TIMES IN HEAVY 
  SNOW AND BLOWING SNOW. 

* WIND...EAST WINDS 35 TO 50 MPH.

* TIMING...BLIZZARD CONDITIONS WILL DEVELOPING MONDAY MORNING AS 
  SNOW INTENSIFIES AND WINDS INCREASE. HEAVY SNOW AND BLOWING 
  SNOW WILL CONTINUE INTO LATE TUESDAY MORNING BEFORE SNOW 
  BEGINS TO DIMINISH IN INTENSITY. 

* IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW 
  WILL PRODUCE WHITE-OUT CONDITIONS AT TIMES. DRIVING MAY BECOME 
  VERY DIFFICULT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE-OUT
CONDITIONS...MAKING TRAVEL VERY DIFFICULT. ALL TRAVEL AND OUTDOOR
ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ131-241915-
/X.NEW.PAFC.BZ.A.0041.121224T1800Z-121225T0600Z/
/X.CON.PAFC.WC.Y.0026.000000T0000Z-121224T1900Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
902 PM AKST SUN DEC 23 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM AKST MONDAY
THROUGH THOMPSON PASS...
...BLIZZARD WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING THROUGH THOMPSON PASS...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING. 

* LOCATION...THOMPSON PASS.

* SNOW...2 TO 5 INCHES.

* VISIBILITY...POSSIBLY REDUCED TO ONE QUARTER MILE AT TIMES.

* WIND...NORTHEAST WIND 15 TO 30 MPH WITH GUSTS TO 40 MPH.

* WIND CHILL VALUES...35 TO 45 BELOW ZERO.

* TIMING...WIND CHILLS WILL MODERATE MONDAY MORNING AS SNOW MOVES
  IN AND AIR TEMPERATURES RISE ABOVE ZERO. THIS IS EXPECTED TO BE
  A LIGHT ACCUMULATION EVENT...BUT THE SNOW WILL BE DRY AND PRONE
  TO BLOWING AROUND. THUS THERE IS POTENTIAL FOR BLIZZARD
  CONDITIONS BEGINNING MONDAY MORNING AND CONTINUING THROUGH
  MONDAY EVENING.  

* IMPACTS...INCREASED RISK OF HYPOTHERMIA AND FROSTBITE FROM LOW
  WIND CHILLS. SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING
  SNOW MAY PRODUCE WHITE-OUT CONDITIONS AT TIMES. DRIVING MAY
  BECOME VERY DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITE-OUT CONDITIONS AND MAKE TRAVEL VERY
DIFFICULT.

&&

$$
1 follow-up statement
256 
WWAK41 PAFC 241425
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
525 AM AKST MON DEC 24 2012

AKZ131-250330-
/X.UPG.PAFC.BZ.A.0041.121224T1800Z-121225T0600Z/
/X.EXB.PAFC.BZ.W.0058.121224T1900Z-121225T0900Z/
/X.CON.PAFC.WC.Y.0026.000000T0000Z-121224T1900Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
525 AM AKST MON DEC 24 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM AKST THIS
MORNING THROUGH THOMPSON PASS...
...BLIZZARD WARNING IN EFFECT FROM 10 AM THIS MORNING TO MIDNIGHT
AKST TONIGHT THROUGH THOMPSON PASS...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO MIDNIGHT
AKST TONIGHT. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

* LOCATION...THOMPSON PASS.

* SNOW...3 TO 8 INCHES.

* VISIBILITY...REDUCED TO ONE QUARTER MILE AT TIMES.

* WIND...NORTHEAST WIND 30 TO 50 MPH. 

* WIND CHILL VALUES...35 TO 45 BELOW THROUGH THOMPSON PASS THIS
  MORNING.

* TIMING...WIND CHILLS WILL MODERATE THROUGH THIS MORNING AS SNOW
  MOVES IN AND AIR TEMPERATURES RISE ABOVE ZERO. BLIZZARD
  CONDITIONS WILL DEVELOP THIS MORNING AS SNOWFALL INTENSIFIES.
  SNOW WILL DIMINISH LATE THIS EVENING AND BLIZZARD CONDITIONS
  SHOULD END. 

* IMPACTS...INCREASED RISK OF HYPOTHERMIA AND FROSTBITE FROM LOW 
  WIND CHILLS. SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING 
  SNOW MAY PRODUCE WHITE-OUT CONDITIONS AT TIMES. DRIVING MAY 
  BECOME VERY DIFFICULT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE-OUT
CONDITIONS...MAKING TRAVEL VERY DIFFICULT. ALL TRAVEL AND OUTDOOR
ACTIVITY IS STRONGLY DISCOURAGED.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.

&&

$$

AKZ125-250330-
/X.CON.PAFC.BZ.W.0058.121224T1500Z-121225T1800Z/
WESTERN PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD...
MOOSE PASS
525 AM AKST MON DEC 24 2012

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM AKST TUESDAY FROM
TURNAGAIN PASS NORTH...

* LOCATION...TURNAGAIN PASS NORTH TO INCLUDE PORTAGE VALLEY... 
  EASTERN TURNAGAIN ARM...AND WHITTIER. 

* SNOW...15 TO 30 INCHES. SNOW LIKELY WILL CONTINUE THROUGH
  TUESDAY INTO WEDNESDAY WITH ADDITIONAL ACCUMULATIONS.

* VISIBILITY...REDUCED BELOW ONE QUARTER MILE AT TIMES IN HEAVY 
  SNOW AND BLOWING SNOW. 

* WIND...EAST WINDS 35 TO 50 MPH WITH GUSTS TO 60 MPH.

* TIMING...BLIZZARD CONDITIONS WILL DEVELOP THIS MORNING AS SNOW
  INTENSIFIES AND WINDS INCREASE. HEAVY SNOW AND BLOWING SNOW WILL
  CONTINUE INTO LATE TUESDAY MORNING BEFORE SNOW BEGINS TO
  DIMINISH IN INTENSITY.

* IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW 
  WILL PRODUCE WHITE-OUT CONDITIONS AT TIMES. DRIVING MAY BECOME 
  VERY DIFFICULT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE-OUT
CONDITIONS...MAKING TRAVEL VERY DIFFICULT. ALL TRAVEL AND OUTDOOR
ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ121-250200-
/X.NEW.PAFC.WW.Y.0034.121224T1500Z-121225T0200Z/
WESTERN KENAI PENINSULA-
INCLUDING THE CITIES OF...KENAI...SOLDOTNA...HOMER...
COOPER LANDING
525 AM AKST MON DEC 24 2012

...WINTER WEATHER ADVISORY FOR SNOW IN EFFECT UNTIL 5 PM AKST THIS
AFTERNOON SOUTH OF CLAM GULCH...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 PM AKST
THIS AFTERNOON.

* LOCATION...SOUTH OF CLAM GULCH. 

* SNOW...ADDITIONAL SNOW ACCUMULATIONS 4 TO 7 INCHES. 

* TIMING...SNOW WILL CONTINUE TO BE HEAVY AT TIMES THROUGH EARLY
  THIS AFTERNOON.

* IMPACTS...TRAVEL MAY BE DIFFICULT. VISIBILITIES MAY BE LIMITED
  IN HEAVY SNOWFALL.

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.

&&

$$

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 23, 4:00 PM AKSTGale WarningAFC48 hr
Dec 23, 4:00 PM AKSTSmall Craft AdvisoryAFC60 hr
Dec 23, 4:00 PM AKSTHeavy Freezing Spray WarningAFC12 hr
Dec 23, 4:07 PM AKSTBlizzard WarningAFC32 hr
Dec 23, 6:30 PM AKSTStorm WarningAFC22 hr
Dec 24, 4:00 AM AKSTGale WarningAFC5 days
Dec 24, 4:00 AM AKSTGale WarningAFC12 hr
Dec 24, 5:25 AM AKSTWinter Weather AdvisoryAFC25 hr

Nearby

Blizzard Watches in Alaska, 2012Every blizzard watch 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.