Alert archive / Alaska / Blizzard Warnings in 2011

Blizzard Warning 15, NWS Anchorage, AK

February 19, 2011

NWS Anchorage, AK issued this blizzard warning at Feb 19, 2011, 10:28 AM AKST. It was in force for 23 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 19, 2011, 10:28 AM AKST (19:28 UTC)
Expired
Feb 20, 2011, 9:00 AM AKST
In force
23 hr
Issued by
NWS Anchorage, AK

The text

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

466 
WWAK41 PAFC 191928
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
1028 AM AKST SAT FEB 19 2011


AKZ131-200500-
/X.NEW.PAFC.BZ.W.0015.110219T1928Z-110220T1400Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
1028 AM AKST SAT FEB 19 2011

...BLIZZARD WARNING IN EFFECT UNTIL 5 AM AKST SUNDAY THROUGH
THOMPSON PASS...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING THROUGH THOMPSON PASS...WHICH IS IN EFFECT UNTIL 5 AM AKST
SUNDAY.

RECENT SNOWFALL COMBINED WITH INCREASINGLY STRONG WINDS WILL
RESULT IN BLIZZARD CONDITIONS THROUGH THOMPSON PASS. NEAR ZERO
VISIBILITY IS CURRENTLY BEING OBSERVED LOCALLY THROUGH THE GAP
THIS MORNING. WINDS ARE EXPECTED TO INCREASE THIS AFTERNOON SO
THAT BLIZZARD CONDITIONS WILL BECOME MORE WIDESPREAD. WINDS WILL
INCREASE TO 30 TO 45 MPH WITH GUSTS AS HIGH AS 65 MPH LATE THIS
AFTERNOON THROUGH EVENING. CONDITIONS WILL IMPROVE BY EARLY SUNDAY
MORNING AS WINDS DIMINISH TO BELOW 35 MPH. 

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.

&&

$$
5 follow-up statements
556 
WWAK41 PAFC 200100
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST SAT FEB 19 2011

AKZ131-201400-
/X.CON.PAFC.BZ.W.0015.000000T0000Z-110220T1400Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
400 PM AKST SAT FEB 19 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 5 AM AKST SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 5 AM AKST SUNDAY. 

RECENT SNOWFALL COMBINED WITH INCREASINGLY STRONG WINDS WILL
RESULT IN BLIZZARD CONDITIONS WITH NEAR-ZERO VISIBILITY THROUGH
THOMPSON PASS TONIGHT. WINDS WILL INCREASE TO 30 TO 45 MPH THIS
EVENING. CONDITIONS WILL IMPROVE BY EARLY SUNDAY MORNING AS WINDS
DIMINISH TO BELOW 35 MPH.

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.

&&

$$
426 
WWAK41 PAFC 200342 CCA
WSWAER

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST SAT FEB 19 2011

AKZ131-201400-
/X.COR.PAFC.BZ.W.0015.000000T0000Z-110220T1400Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
400 PM AKST SAT FEB 19 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 5 AM AKST SUNDAY
THROUGH THOMPSON PASS...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 5 AM AKST SUNDAY.

RECENT SNOWFALL COMBINED WITH INCREASINGLY STRONG WINDS WILL
RESULT IN BLIZZARD CONDITIONS WITH NEAR-ZERO VISIBILITY THROUGH
THOMPSON PASS TONIGHT. WINDS WILL INCREASE TO 30 TO 45 MPH THIS
EVENING. CONDITIONS WILL IMPROVE BY EARLY SUNDAY MORNING AS WINDS
DIMINISH TO BELOW 35 MPH.

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.

&&

$$
886 
WWAK41 PAFC 201332
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
432 AM AKST SUN FEB 20 2011

AKZ131-201800-
/X.EXT.PAFC.BZ.W.0015.000000T0000Z-110220T1800Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
432 AM AKST SUN FEB 20 2011

...BLIZZARD WARNING NOW IN EFFECT UNTIL 9 AM AKST THIS MORNING...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 9 AM AKST THIS
MORNING. 

RECENT SNOWFALL COMBINED WITH STRONG WINDS HAVE RESULTED IN
BLIZZARD CONDITIONS WITH NEAR-ZERO VISIBILITY THROUGH THOMPSON
PASS. CONDITIONS WILL IMPROVE THIS MORNING AS WINDS DIMINISH TO
BELOW 35 MPH.

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.

&&

$$
402 
WWAK41 PAFC 201541 CCA
WSWAER

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE AK
640 AM AKST SUN FEB 20 2011

AKZ131-201800-
/X.COR.PAFC.BZ.W.0015.000000T0000Z-110220T1800Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
640 AM AKST SUN FEB 20 2011

...BLIZZARD WARNING NOW IN EFFECT UNTIL 9 AM AKST THIS MORNING FOR
THOMPSON PASS...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 9 AM AKST THIS
MORNING FOR THOMPSON PASS.

RECENT SNOWFALL COMBINED WITH STRONG WINDS HAVE RESULTED IN
BLIZZARD CONDITIONS WITH NEAR-ZERO VISIBILITY THROUGH THOMPSON
PASS. CONDITIONS WILL IMPROVE THIS MORNING AS WINDS DIMINISH TO
BELOW 35 MPH.

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.

&&

$$
015 
WWAK41 PAFC 201808
WSWAER

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
908 AM AKST SUN FEB 20 2011

AKZ131-201915-
/X.EXP.PAFC.BZ.W.0015.000000T0000Z-110220T1800Z/
NORTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS
908 AM AKST SUN FEB 20 2011

...BLIZZARD WARNING HAS EXPIRED FOR THOMPSON PASS...

THE BLIZZARD WARNING IS NO LONGER IN EFFECT. 

WINDS HAVE DIMINISHED TO 30 MPH OR LESS THROUGH THOMPSON PASS.
THERE ARE STILL LOCALIZED AREAS OF BLOWING SNOW...ESPECIALLY
THROUGH THE GAPS...BUT OTHERWISE CONDITIONS HAVE GREATLY IMPROVED.
WINDS WILL CONTINUE TO DIMINISH THROUGH THE AFTERNOON.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 4:00 PM AKSTGale WarningAFC48 hr
Feb 18, 4:00 PM AKSTGale WarningAFC60 hr
Feb 18, 4:00 PM AKSTStorm WarningAFC48 hr
Feb 18, 4:00 PM AKSTStorm WarningAFC48 hr
Feb 19, 4:00 AM AKSTGale WarningAFC36 hr
Feb 19, 4:00 AM AKSTSmall Craft AdvisoryAFC4 days
Feb 19, 4:00 AM AKSTSmall Craft AdvisoryAFC36 hr
Feb 19, 4:00 AM AKSTStorm WarningAFC12 hr
Feb 19, 4:00 AM AKSTHeavy Freezing Spray WarningAFC5 days
Feb 19, 4:34 AM AKSTHigh Wind WarningAFC7 hr
Feb 19, 4:40 AM AKSTDense Fog AdvisoryAFC5 hr
Feb 19, 11:55 AM AKSTBlizzard WarningAFC15 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.