Alert archive / Alaska / Blizzard Warnings in 2011

Blizzard Warning 11, NWS Anchorage, AK

February 13, 2011

NWS Anchorage, AK issued this blizzard warning at Feb 13, 2011, 12:09 PM AKST. It was in force for 4 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
Feb 13, 2011, 12:09 PM AKST (21:09 UTC)
Expired
Feb 13, 2011, 4:14 PM AKST
In force
4 hr
Issued by
NWS Anchorage, AK

The text

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

747 
WWAK41 PAFC 132109
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
1209 PM AKST SUN FEB 13 2011

AKZ125-140200-
/X.NEW.PAFC.BZ.W.0011.110213T2109Z-110214T1400Z/
WESTERN PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD...
MOOSE PASS
1209 PM AKST SUN FEB 13 2011

...BLIZZARD WARNING IN EFFECT UNTIL 5 AM AKST MONDAY FOR WHITTIER...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 5 AM AKST MONDAY FOR WHITTIER.

SUSTAINED WINDS OF 30 TO 40 MPH WITH GUSTS TO 70 MPH COMBINED WITH
FALLING SNOW WILL REDUCE VISIBILITIES TO ONE QUARTER MILE OR LESS
IN WHITTIER. BLIZZARD CONDITIONS ARE EXPECTED TO PERSIST UNTIL EARLY
TOMORROW MORNING.

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 EXTREMELY DANGEROUS. ALL TRAVEL AND
OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ131-140200-
/X.CON.PAFC.WC.Y.0004.000000T0000Z-110215T1500Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
1209 PM AKST SUN FEB 13 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST
TUESDAY FOR THOMPSON PASS...

WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST TUESDAY FOR
THOMPSON PASS.

VISIBILITIES HAVE IMPROVED THROUGH THOMPSON PASS OVER THE PASS FEW
HOURS. THERE STILL MAY BE AREAS OF BLOWING AND DRIFTING SNOW NEAR
THE PASS WITH VISIBILITIES FALLING BELOW A MILE AT TIMES.

THE STRONG WINDS WILL ALSO PRODUCE DANGEROUS WIND CHILLS. NORTH
WINDS OF 45 TO 55 MPH COUPLED WITH AIR TEMPERATURES OF 5 TO
10 BELOW ZERO LOOK TO DROP WIND CHILLS TO 35 TO 50 BELOW ZERO.

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.

&&

$$

AKZ141-140200-
/X.CON.PAFC.WC.Y.0004.000000T0000Z-110214T2100Z/
COPPER RIVER BASIN-
INCLUDING THE CITIES OF...GLENNALLEN...EUREKA...MCCARTHY...
PAXSON...SLANA
1209 PM AKST SUN FEB 13 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY
FOR THE DENALI HIGHWAY AND NEAR THE ALASKA RANGE...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY FOR
THE DENALI HIGHWAY AND NEAR THE ALASKA RANGE.

A COLD AIRMASS CONTINUES TO FILTER INTO THE COPPER RIVER BASIN.
ALONG THE DENALI HIGHWAY AND NEAR THE ALASKA RANGE...STRONG NORTH
WINDS OF 15 TO 25 MPH COUPLED WITH AIR TEMPERATURES OF 10 TO
15 BELOW ZERO WILL PRODUCE WIND CHILLS OF 40 TO 50 BELOW ZERO.
THESE DANGEROUS CONDITIONS LOOK TO PERSIST THROUGH MID-DAY
MONDAY.

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.

&&

$$

AKZ145-140200-
/X.CON.PAFC.WC.Y.0004.000000T0000Z-110214T2100Z/
SUSITNA VALLEY-
INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL
1209 PM AKST SUN FEB 13 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY ALONG
THE DENALI HIGHWAY AND NORTH AND WEST OF TALKEETNA...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY ALONG
THE DENALI HIGHWAY AND NORTH AND WEST OF TALKEETNA.

A COLD AIRMASS CONTINUES TO FILTER INTO THE SUSITNA VALLEY. ALONG
THE DENALI HIGHWAY AND NORTH AND WEST OF TALKEETNA...STRONG NORTH
WINDS OF 20 TO 35 MPH COUPLED WITH AIR TEMPERATURES AROUND
15 BELOW ZERO WILL PRODUCE WIND CHILLS OF 40 TO 50 BELOW ZERO.
THESE DANGEROUS CONDITIONS LOOK TO PERSIST THROUGH MID-DAY
MONDAY.

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.

&&

$$
2 follow-up statements
872 
WWAK41 PAFC 132128 CCA
WSWAER

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE AK
1227 PM AKST SUN FEB 13 2011

AKZ125-140230-
/X.NEW.PAFC.BZ.W.0011.110213T2127Z-110214T1400Z/
WESTERN PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD...
MOOSE PASS
1227 PM AKST SUN FEB 13 2011

...BLIZZARD WARNING IN EFFECT UNTIL 5 AM AKST MONDAY FOR WHITTIER...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 5 AM AKST MONDAY FOR WHITTIER.

SUSTAINED WINDS OF 30 TO 40 MPH WITH GUSTS TO 70 MPH COMBINED WITH
FALLING SNOW WILL REDUCE VISIBILITIES TO ONE QUARTER MILE OR LESS
IN WHITTIER. BLIZZARD CONDITIONS ARE EXPECTED TO PERSIST UNTIL EARLY
TOMORROW MORNING.

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 EXTREMELY DANGEROUS. ALL TRAVEL AND
OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ131-140230-
/X.COR.PAFC.WC.Y.0004.000000T0000Z-110215T1500Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
1227 PM AKST SUN FEB 13 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST
TUESDAY FOR THOMPSON PASS...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST TUESDAY
FOR THOMPSON PASS.

VISIBILITIES HAVE IMPROVED THROUGH THOMPSON PASS OVER THE LAST FEW
HOURS. THERE STILL MAY BE AREAS OF BLOWING AND DRIFTING SNOW NEAR
THE PASS WITH VISIBILITIES FALLING BELOW A MILE AT TIMES.

THE STRONG WINDS WILL ALSO PRODUCE DANGEROUS WIND CHILLS. NORTH
WINDS OF 45 TO 55 MPH COUPLED WITH AIR TEMPERATURES OF 5 TO
10 BELOW ZERO LOOK TO DROP WIND CHILLS TO 35 TO 50 BELOW ZERO.

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.

&&

$$

AKZ141-140230-
/X.CON.PAFC.WC.Y.0004.000000T0000Z-110214T2100Z/
COPPER RIVER BASIN-
INCLUDING THE CITIES OF...GLENNALLEN...EUREKA...MCCARTHY...
PAXSON...SLANA
1227 PM AKST SUN FEB 13 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY
FOR THE DENALI HIGHWAY AND NEAR THE ALASKA RANGE...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY FOR
THE DENALI HIGHWAY AND NEAR THE ALASKA RANGE.

A COLD AIRMASS CONTINUES TO FILTER INTO THE COPPER RIVER BASIN.
ALONG THE DENALI HIGHWAY AND NEAR THE ALASKA RANGE...STRONG NORTH
WINDS OF 15 TO 25 MPH COUPLED WITH AIR TEMPERATURES OF 10 TO
15 BELOW ZERO WILL PRODUCE WIND CHILLS OF 40 TO 50 BELOW ZERO.
THESE DANGEROUS CONDITIONS LOOK TO PERSIST THROUGH MID-DAY
MONDAY.

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.

&&

$$

AKZ145-140230-
/X.CON.PAFC.WC.Y.0004.000000T0000Z-110214T2100Z/
SUSITNA VALLEY-
INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL
1227 PM AKST SUN FEB 13 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY ALONG
THE DENALI HIGHWAY AND NORTH AND WEST OF TALKEETNA...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY ALONG
THE DENALI HIGHWAY AND NORTH AND WEST OF TALKEETNA.

A COLD AIRMASS CONTINUES TO FILTER INTO THE SUSITNA VALLEY. ALONG
THE DENALI HIGHWAY AND NORTH AND WEST OF TALKEETNA...STRONG NORTH
WINDS OF 20 TO 35 MPH COUPLED WITH AIR TEMPERATURES AROUND
15 BELOW ZERO WILL PRODUCE WIND CHILLS OF 40 TO 50 BELOW ZERO.
THESE DANGEROUS CONDITIONS LOOK TO PERSIST THROUGH MID-DAY
MONDAY.

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.

&&

$$
816 
WWAK41 PAFC 140114
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
414 PM AKST SUN FEB 13 2011

AKZ125-140215-
/X.CAN.PAFC.BZ.W.0011.000000T0000Z-110214T1400Z/
WESTERN PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD...
MOOSE PASS
414 PM AKST SUN FEB 13 2011

...BLIZZARD WARNING IS CANCELLED FOR WHITTIER...

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

SNOWFALL HAS ENDED IN WHITTIER AND VISIBILITIES HAVE IMPROVED.
ALTHOUGH BLIZZARD CONDITIONS HAVE ENDED...WEST WINDS GUSTING TO 65
MPH WILL PERSIST IN THE WHITTIER AREA THROUGH MONDAY NIGHT.
EXPECT LOCALIZED AREAS OF BLOWING SNOW THROUGH MONDAY NIGHT.

$$

AKZ131-141415-
/X.CON.PAFC.WC.Y.0004.000000T0000Z-110215T1500Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
414 PM AKST SUN FEB 13 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST
TUESDAY FOR THOMPSON PASS...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST TUESDAY
FOR THOMPSON PASS.

LOW PRESSURE OVER THE GULF AND COLD AIR MOVING INTO THE AREA FROM
INTERIOR ALASKA WILL BRING WIND AND LOW WIND CHILLS TO THOMPSON
PASS THROUGH EARLY TUESDAY MORNING. WIND CHILL READINGS AS LOW AS
40 TO 50 BELOW WILL OCCUR THROUGH THOMPSON PASS UNTIL TUESDAY
MORNING WHEN CONDITIONS ARE EXPECTED TO IMPROVE.

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.

&&

$$

AKZ141-141415-
/X.CON.PAFC.WC.Y.0004.000000T0000Z-110214T2100Z/
COPPER RIVER BASIN-
INCLUDING THE CITIES OF...GLENNALLEN...EUREKA...MCCARTHY...
PAXSON...SLANA
414 PM AKST SUN FEB 13 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY
FOR THE DENALI HIGHWAY AND NEAR THE ALASKA RANGE...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY FOR
THE DENALI HIGHWAY AND NEAR THE ALASKA RANGE.

LOW PRESSURE OVER THE GULF AND COLD AIR MOVING ACROSS THE ALASKA
RANGE WILL COMBINE TO CREATE WIND WITH WIND CHILL READINGS OF 40 TO
50 BELOW ALONG THE DENALI HIGHWAY AND NEAR THE ALASKA RANGE
THROUGH NOON MONDAY.

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.

&&

$$

AKZ145-141415-
/X.CON.PAFC.WC.Y.0004.000000T0000Z-110214T2100Z/
SUSITNA VALLEY-
INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL
414 PM AKST SUN FEB 13 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY
ALONG THE DENALI HIGHWAY AND NORTH AND WEST OF TALKEETNA...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST MONDAY ALONG
THE DENALI HIGHWAY AND NORTH AND WEST OF TALKEETNA.

LOW PRESSURE OVER THE GULF AND COLD AIR MOVING ACROSS THE ALASKA
RANGE WILL COMBINE TO CREATE WIND WITH WIND CHILL READINGS OF 40 TO
50 BELOW ALONG THE DENALI HIGHWAY AND NORTH AND WEST OF TALKEETNA.
THESE CONDITIONS ARE EXPECTED TO PERSIST THROUGH NOON MONDAY.

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.

IssuedProductOfficeCountiesLasted
Feb 12, 4:00 PM AKSTGale WarningAFC48 hr
Feb 12, 4:00 PM AKSTGale WarningAFC3 days
Feb 12, 4:00 PM AKSTSmall Craft AdvisoryAFC12 hr
Feb 12, 4:00 PM AKSTStorm WarningAFC48 hr
Feb 13, 4:00 AM AKSTGale WarningAFC48 hr
Feb 13, 4:00 AM AKSTGale WarningAFC36 hr
Feb 13, 4:00 AM AKSTSmall Craft AdvisoryAFC48 hr
Feb 13, 4:00 AM AKSTHeavy Freezing Spray WarningAFC12 hr
Feb 13, 4:46 AM AKSTHigh Wind WatchAFC12 hr
Feb 13, 11:14 AM AKSTHigh Wind WarningAFC4 hr

Nearby

Blizzard Warnings in Alaska, 2011Every blizzard warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.