Alert archive / Alaska / Blizzard Warnings in 2012

Blizzard Warning 15, NWS Anchorage, AK

January 20, 2012

NWS Anchorage, AK issued this blizzard warning at Jan 20, 2012, 7:25 AM AKST. It was in force for 26 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 20, 2012, 7:25 AM AKST (16:25 UTC)
Expired
Jan 21, 2012, 9:00 AM AKST
In force
26 hr
Issued by
NWS Anchorage, AK

The text

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

287 
WWAK41 PAFC 201625
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
725 AM AKST FRI JAN 20 2012

AKZ131-210530-
/X.NEW.PAFC.BZ.W.0015.120120T1625Z-120121T1800Z/
/X.CON.PAFC.WC.Y.0007.000000T0000Z-120121T2100Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
725 AM AKST FRI JAN 20 2012

...BLIZZARD WARNING IN EFFECT UNTIL 9 AM AKST SATURDAY THROUGH
THOMPSON PASS... 
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST SATURDAY
THROUGH THOMPSON PASS...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 9 AM AKST SATURDAY. A WIND
CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST SATURDAY. 

* LOCATION...THROUGH THOMPSON PASS.

* VISIBILITY...ONE QUARTER MILE OR LESS AT TIMES IN BLOWING SNOW.

* WIND CHILL VALUES...40 BELOW TO 55 BELOW ZERO.

* WIND...NORTHEAST 50 TO 70 MPH.

* TIMING...BLIZZARD CONDITIONS ARE ONGOING FROM MILEPOST 19
  THROUGH MILEPOST 28 OF THE RICHARDSON HIGHWAY. THESE CONDITIONS
  WILL PERSIST THROUGH SATURDAY MORNING. THE WIND WILL THEN
  DIMINISH A LITTLE AND SNOW WILL BECOME MORE HARD PACKED
  RESULTING IN LESS BLOWING SNOW. 

* IMPACTS...STRONG WINDS COMBINED WITH BLOWING SNOW WILL PRODUCE
  WHITE-OUT CONDITIONS. DRIVING WILL BE VERY DIFFICULT. LOW WIND
  CHILLS WILL RESULT IN AN INCREASED RISK OF HYPOTHERMIA AND
  FROSTBITE.

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.

&&

$$

AKZ145-210530-
/X.CON.PAFC.WC.Y.0007.000000T0000Z-120121T2100Z/
SUSITNA VALLEY-
INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL
725 AM AKST FRI JAN 20 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
SATURDAY TOWARD THE PARK...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST SATURDAY.

* LOCATION...TOWARD DENALI NATIONAL PARK.

* WIND CHILL VALUES...25 BELOW TO 40 BELOW ZERO.

* WIND...NORTH WIND 15 TO 20 MPH.

* TIMING...COLDEST WIND CHILLS WILL OCCUR DURING OVERNIGHT 
  PERIODS. 

* 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.

&&

$$
3 follow-up statements
460 
WWAK41 PAFC 210120
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
420 PM AKST FRI JAN 20 2012

AKZ131-211500-
/X.CON.PAFC.BZ.W.0015.000000T0000Z-120121T1800Z/
/X.CON.PAFC.WC.Y.0007.000000T0000Z-120121T2100Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
420 PM AKST FRI JAN 20 2012

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM AKST SATURDAY
THROUGH THOMPSON PASS...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST SATURDAY
THROUGH THOMPSON PASS...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM AKST SATURDAY. A
WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST SATURDAY. 

* LOCATION...THROUGH THOMPSON PASS.

* VISIBILITY...ONE QUARTER MILE OR LESS AT TIMES IN BLOWING SNOW.

* WIND CHILL VALUES...30 BELOW TO 45 BELOW ZERO.

* WIND...NORTHEAST 50 TO 70 MPH.

* TIMING...BLIZZARD CONDITIONS ARE ONGOING FROM MILEPOST 19
  THROUGH MILEPOST 28 OF THE RICHARDSON HIGHWAY. WINDS WILL BEGIN
  TO DIMINISH SATURDAY MORNING AND SNOW WILL BECOME MORE HARD PACKED
  RESULTING IN LESS BLOWING SNOW.

* IMPACTS...STRONG WINDS COMBINED WITH BLOWING SNOW WILL PRODUCE 
  WHITE-OUT CONDITIONS. DRIVING WILL BE VERY DIFFICULT. LOW WIND 
  CHILLS WILL RESULT IN AN INCREASED RISK OF HYPOTHERMIA AND 
  FROSTBITE. 

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.

&&

$$

AKZ145-211500-
/X.CON.PAFC.WC.Y.0007.000000T0000Z-120121T2100Z/
SUSITNA VALLEY-
INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL
420 PM AKST FRI JAN 20 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST SATURDAY.

* LOCATION...TOWARD DENALI NATIONAL PARK.

* WIND CHILL VALUES...25 BELOW TO 40 BELOW ZERO.

* WIND...NORTH WIND 10 TO 20 MPH WITH GUSTS TO 35 MPH.

* TIMING...WINDS WILL BEGIN TO DIMINISH SATURDAY MORNING ALLOWING
  CONDITIONS TO IMPROVE.

* 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.

&&

$$
735 
WWAK41 PAFC 211348
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
448 AM AKST SAT JAN 21 2012

AKZ145-211500-
/X.CAN.PAFC.WC.Y.0007.000000T0000Z-120121T2100Z/
SUSITNA VALLEY-
INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL
448 AM AKST SAT JAN 21 2012

...WIND CHILL ADVISORY IS CANCELED...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELED THE WIND
CHILL ADVISORY.
TEMPERATURES IN WINDY AREAS HAVE WARMED ENOUGH THAT A WIND CHILL
ADVISORY IS NO LONGER WARRANTED.

$$

AKZ131-212100-
/X.CON.PAFC.BZ.W.0015.000000T0000Z-120121T1800Z/
/X.CON.PAFC.WC.Y.0007.000000T0000Z-120121T2100Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
448 AM AKST SAT JAN 21 2012

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM AKST THIS
MORNING THROUGH THOMPSON PASS...

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST TODAY
THROUGH THOMPSON PASS...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM AKST THIS
MORNING THROUGH THOMPSON PASS. A WIND CHILL ADVISORY REMAINS IN
EFFECT UNTIL NOON AKST TODAY THROUGH THOMPSON PASS.

* LOCATION...THROUGH THOMPSON PASS.

* VISIBILITY...ONE QUARTER MILE OR LESS AT TIMES IN BLOWING SNOW.

* WIND CHILL VALUES...30 BELOW TO 45 BELOW ZERO.

* WIND...NORTHEAST 45 TO 55 MPH.

* TIMING...BLIZZARD CONDITIONS ARE ONGOING FROM MILEPOST 19
  THROUGH MILEPOST 28 OF THE RICHARDSON HIGHWAY. WINDS SHOULD
  CONTINUE TO SLOWLY DIMINISH THROUGH THE MORNING AND SNOW WILL
  BECOME MORE HARD PACKED RESULTING IN LESS BLOWING SNOW.

* IMPACTS...STRONG WINDS COMBINED WITH BLOWING SNOW WILL PRODUCE 
  WHITE-OUT CONDITIONS. DRIVING WILL BE VERY DIFFICULT. LOW WIND 
  CHILLS WILL RESULT IN AN INCREASED RISK OF HYPOTHERMIA AND 
  FROSTBITE. 

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.

&&

$$
711 
WWAK41 PAFC 211808
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
908 AM AKST SAT JAN 21 2012

AKZ131-211915-
/X.CAN.PAFC.WC.Y.0007.000000T0000Z-120121T2100Z/
/X.EXP.PAFC.BZ.W.0015.000000T0000Z-120121T1800Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
908 AM AKST SAT JAN 21 2012

...WIND CHILL ADVISORY IS CANCELLED THROUGH THOMPSON PASS...
...BLIZZARD WARNING HAS EXPIRED THROUGH THOMPSON PASS...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELLED THE WIND
CHILL ADVISORY. THE BLIZZARD WARNING IS NO LONGER IN EFFECT. 

NORTH WINDS OF 35 TO 50 MPH CONTINUE THROUGH THOMPSON PASS.
HOWEVER...BLIZZARD CONDITIONS HAVE COME TO AN END. LOCAL AREAS OF
BLOWING SNOW ALONG THE RICHARDSON HIGHWAY CAN STILL BE EXPECTED.
TEMPERATURES HAVE ALSO RISEN TO AROUND ZERO RAISING WIND CHILL
READINGS TO 25 TO 35 BELOW ZERO.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 19, 4:00 PM AKSTGale WarningAFC6 days
Jan 19, 4:00 PM AKSTGale WarningAFC39 hr
Jan 19, 4:00 PM AKSTGale WarningAFC5 days
Jan 19, 4:00 PM AKSTSmall Craft AdvisoryAFC36 hr
Jan 19, 4:00 PM AKSTSmall Craft AdvisoryAFC6 days
Jan 19, 4:00 PM AKSTStorm WarningAFC12 hr
Jan 19, 4:00 PM AKSTWind Chill AdvisoryAFC41 hr
Jan 20, 4:00 AM AKSTGale WarningAFC24 hr
Jan 20, 4:00 AM AKSTGale WarningAFC2 hr
Jan 20, 4:00 AM AKSTGale WarningAFC5 days
Jan 20, 4:00 AM AKSTSmall Craft AdvisoryAFC12 hr
Jan 20, 4:00 AM AKSTSmall Craft AdvisoryAFC4 days
Jan 20, 4:00 AM AKSTHeavy Freezing Spray WarningAFC9 days
Jan 20, 6:15 AM AKSTGale WarningAFC10 hr
Jan 20, 6:20 AM AKSTStorm WarningAFC22 hr

Nearby

Blizzard Warnings in Alaska, 2012Every 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.