Alert archive / Alaska / Blizzard Warnings in 2012

Blizzard Warning 44, NWS Anchorage, AK

March 11, 2012

NWS Anchorage, AK issued this blizzard warning at Mar 11, 2012, 8:19 PM AKDT. It took effect at Mar 12, 2012, 10:00 AM AKDT. It was in force for 18 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: Mar 11, 2012, 8:19 PM AKDT (04:19 UTC)
In effect from: Mar 12, 2012, 10:00 AM AKDT
Expired: Mar 13, 2012, 4:08 AM AKDT
In force: 18 hr
Issued by: NWS Anchorage, AK

The text

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

427 
WWAK42 PAFC 120419
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
819 PM AKDT SUN MAR 11 2012

AKZ195-121730-
/X.UPG.PAFC.BZ.A.0029.120312T1500Z-120313T0800Z/
/X.NEW.PAFC.BZ.W.0044.120312T1800Z-120313T0600Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
819 PM AKDT SUN MAR 11 2012

...BLIZZARD WARNING IN EFFECT FROM 10 AM TO 10 PM AKDT MONDAY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 10 PM AKDT MONDAY. THE
BLIZZARD WATCH IS NO LONGER IN EFFECT. 

* SNOW...ACCUMULATION UP TO 3 INCHES.

* VISIBILITY...FREQUENTLY REDUCED TO ONE QUARTER MILE OR LESS.

* WIND...EAST WIND 30 TO 45 MPH.

* TIMING...SNOW WILL BEGIN MONDAY MORNING AND END MONDAY EVENING.
  THE HEAVIEST SNOWFALL...AND THEREFORE THE LOWEST
  VISIBILITIES...IS EXPECTED DURING MONDAY AFTERNOON.

* IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW
  WILL PRODUCE WHITE-OUT CONDITIONS. DRIVING WILL BE 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.

&&

$$

6 follow-up statements

320 
WWAK42 PAFC 121211
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
411 AM AKDT MON MAR 12 2012

AKZ195-130115-
/X.CON.PAFC.BZ.W.0044.120312T1800Z-120313T0600Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
411 AM AKDT MON MAR 12 2012

...BLIZZARD WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 PM AKDT THIS EVENING...

* SNOW...ACCUMULATION UP TO 3 INCHES.

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

* WIND...EAST WIND 30 TO 45 MPH.

* TIMING...SNOW WILL BEGIN THIS MORNING AND END THIS EVENING. THE
  HEAVIEST SNOWFALL...AND THEREFORE THE LOWEST VISIBILITIES...IS
  EXPECTED DURING THIS AFTERNOON. 

* IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW 
  WILL PRODUCE WHITE-OUT CONDITIONS. TRAVELING WILL BE 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.

&&

$$

634 
WWAK42 PAFC 122043
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
1243 PM AKDT MON MAR 12 2012

AKZ195-130600-
/X.CON.PAFC.BZ.W.0044.000000T0000Z-120313T0600Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
1243 PM AKDT MON MAR 12 2012

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING...

* SNOW...ACCUMULATION UP TO 3 INCHES.

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

* WIND...EAST WIND 30 TO 45 MPH.

* TIMING...SNOW WILL BEGIN THIS MORNING AND END THIS EVENING. 
  THE HEAVIEST SNOWFALL...AND THEREFORE THE LOWEST 
  VISIBILITIES...IS EXPECTED DURING THIS AFTERNOON. 

* IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW 
  WILL PRODUCE WHITE-OUT CONDITIONS. TRAVELING WILL BE VERY 
  DIFFICULT. 

* LATEST REPORTS...ST GEORGE ISLAND AUTOMATED OBSERVATION IS
  REPORTING VISIBILITY ONE QUARTER MILE OR LESS SINCE
  APPROXIMATELY 10 AM AKDT. AS OF 1240 PM AKDT...ST PAUL ISLAND
  VISIBILITY REMAINS UNRESTRICTED ALTHOUGH CONDITIONS ARE EXPECTED
  DETERIORATE RAPIDLY AS THE SNOW ARRIVES IN THE NEXT ONE TO TWO HOURS.

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.

&&

$$

436 
WWAK42 PAFC 122345
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
345 PM AKDT MON MAR 12 2012

AKZ195-130600-
/X.CON.PAFC.BZ.W.0044.000000T0000Z-120313T0600Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
345 PM AKDT MON MAR 12 2012

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING...

* SNOW...ACCUMULATION UP TO 2 INCHES.

* VISIBILITY...FREQUENTLY REDUCED TO LESS THAN ONE QUARTER MILE.

* WIND...NORTHEAST WIND 30 TO 40 MPH.

* TIMING...SNOW WILL DIMINISH THIS EVENING. GUSTY WINDS WILL
  PERSIST INTO TUESDAY...BUT THE LOSS OF PRECIPITATION SHOULD
  ALLOW VISIBILITY TO IMPROVE LATE THIS EVENING.

* IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW 
  WILL PRODUCE WHITE-OUT CONDITIONS. TRAVELING WILL BE VERY 
  DIFFICULT. 

* LATEST REPORTS...ST GEORGE ISLAND AUTOMATED OBSERVATION IS 
  REPORTING VISIBILITY ONE QUARTER MILE OR LESS SINCE 
  APPROXIMATELY 10 AM AKDT. AS OF 1240 PM AKDT...ST PAUL ISLAND 
  VISIBILITY REMAINS UNRESTRICTED ALTHOUGH CONDITIONS ARE 
  EXPECTED DETERIORATE RAPIDLY AS THE SNOW ARRIVES IN THE NEXT 
  ONE TO TWO HOURS. 

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.

&&

$$

AKZ155-131245-
/X.NEW.PAFC.WC.Y.0016.120312T2345Z-120314T2000Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
345 PM AKDT MON MAR 12 2012

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON AKDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL NOON AKDT WEDNESDAY. 

* LOCATION...THE KUSKOKWIM DELTA.

* WIND...NORTH WIND 15 TO 30 MPH...STRONGEST ALONG THE COAST.

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

* TIMING...A BRISK NORTH WIND OF AT LEAST 15 MPH IS EXPECTED TO
  PERSIST INTO EARLY WEDNESDAY BEFORE WEAKENING.

* IMPACTS...INCREASED RISK OF HYPOTHERMIA AND FROSTBITE.

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.

&&

$$

JAM

228 
WWAK42 PAFC 122353 CCA
WSWALU

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE AK
345 PM AKDT MON MAR 12 2012

AKZ195-130600-
/X.COR.PAFC.BZ.W.0044.000000T0000Z-120313T0600Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
345 PM AKDT MON MAR 12 2012

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING...

* SNOW...ACCUMULATION UP TO 2 INCHES.

* VISIBILITY...FREQUENTLY REDUCED TO LESS THAN ONE QUARTER MILE.

* WIND...NORTHEAST WIND 30 TO 40 MPH.

* TIMING...SNOW WILL DIMINISH THIS EVENING. GUSTY WINDS WILL
  PERSIST INTO TUESDAY...BUT THE LOSS OF PRECIPITATION SHOULD
  ALLOW VISIBILITY TO IMPROVE LATE THIS EVENING.

* IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW
  WILL PRODUCE WHITE-OUT CONDITIONS. TRAVELING WILL BE 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.

&&

$$

AKZ155-131245-
/X.NEW.PAFC.WC.Y.0016.120312T2345Z-120314T2000Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
345 PM AKDT MON MAR 12 2012

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON AKDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL NOON AKDT WEDNESDAY.

* LOCATION...THE KUSKOKWIM DELTA.

* WIND...NORTH WIND 15 TO 30 MPH...STRONGEST ALONG THE COAST.

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

* TIMING...A BRISK NORTH WIND OF AT LEAST 15 MPH IS EXPECTED TO
  PERSIST INTO EARLY WEDNESDAY BEFORE WEAKENING.

* IMPACTS...INCREASED RISK OF HYPOTHERMIA AND FROSTBITE.

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.

&&

$$

JAM

333 
WWAK42 PAFC 130558
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
958 PM AKDT MON MAR 12 2012

AKZ195-131300-
/X.EXT.PAFC.BZ.W.0044.000000T0000Z-120313T1300Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
958 PM AKDT MON MAR 12 2012

...BLIZZARD WARNING NOW IN EFFECT UNTIL 5 AM AKDT TUESDAY...

* SNOW...ACCUMULATION UP TO 2 INCHES.

* VISIBILITY...FREQUENTLY REDUCED TO LESS THAN ONE QUARTER MILE.

* WIND...NORTHEAST WIND 30 TO 40 MPH.

* TIMING...SNOW WILL GRADUALLY DIMINISH OVERNIGHT. GUSTY WINDS
  WILL PERSIST INTO TUESDAY...BUT THE LOSS OF PRECIPITATION SHOULD
  ALLOW VISIBILITY TO IMPROVE BY TUESDAY MORNING.

* IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW 
  WILL PRODUCE WHITE-OUT CONDITIONS. TRAVELING WILL BE 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.

&&

$$

AKZ155-131900-
/X.CON.PAFC.WC.Y.0016.000000T0000Z-120314T2000Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
958 PM AKDT MON MAR 12 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKDT
WEDNESDAY...

* LOCATION...THE KUSKOKWIM DELTA.

* WIND...NORTH WIND 15 TO 30 MPH...STRONGEST ALONG THE COAST.

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

* TIMING...A BRISK NORTH WIND OF AT LEAST 15 MPH IS EXPECTED TO 
  PERSIST INTO EARLY WEDNESDAY BEFORE WEAKENING. 

* IMPACTS...INCREASED RISK OF HYPOTHERMIA AND FROSTBITE.

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.

&&

$$

407 
WWAK42 PAFC 131208
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
408 AM AKDT TUE MAR 13 2012

AKZ195-131315-
/X.CAN.PAFC.BZ.W.0044.000000T0000Z-120313T1300Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
408 AM AKDT TUE MAR 13 2012

...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELLED THE
BLIZZARD WARNING. 

$$

AKZ155-140115-
/X.CON.PAFC.WC.Y.0016.000000T0000Z-120314T2000Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
408 AM AKDT TUE MAR 13 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKDT
WEDNESDAY...

* WIND...NORTH WIND 15 TO 30 MPH...STRONGEST ALONG THE COAST.

* WIND CHILL VALUES...30 TO 40 BELOW ZERO.

* TIMING...A BRISK NORTH WIND OF AT LEAST 15 MPH IS EXPECTED TO 
  PERSIST INTO EARLY WEDNESDAY BEFORE WEAKENING. 

* IMPACTS...INCREASED RISK OF HYPOTHERMIA AND FROSTBITE.

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.

&&

$$

The office that day

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

Issued	Product	Office	Lasted
Mar 11, 4:00 PM AKDT	Hurricane Force Wind Warning	AFC	24 hr
Mar 11, 4:00 PM AKDT	Small Craft Advisory	AFC	24 hr
Mar 11, 4:00 PM AKDT	Heavy Freezing Spray Warning	AFC	5 days
Mar 12, 4:00 AM AKDT	Gale Warning	AFC	36 hr
Mar 12, 4:00 AM AKDT	Small Craft Advisory	AFC	12 hr
Mar 12, 4:00 AM AKDT	Small Craft Advisory	AFC	7 days
Mar 12, 4:00 AM AKDT	Heavy Freezing Spray Warning	AFC	4 days
Mar 12, 4:00 AM AKDT	Heavy Freezing Spray Warning	AFC	60 hr
Mar 12, 3:45 PM AKDT	Wind Chill Advisory	AFC	24 hr

Nearby

Blizzard Warnings in Alaska, 2012 Every blizzard 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.