Alert archive / Alaska / Blizzard Warnings in 2021

Blizzard Warning 26, NWS Anchorage, AK

December 20, 2021

NWS Anchorage, AK issued this blizzard warning at Dec 20, 2021, 4:26 PM AKST. It took effect at Dec 21, 2021, 1:00 AM AKST. It was in force for 8 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
Dec 20, 2021, 4:26 PM AKST (01:26 UTC)
In effect from
Dec 21, 2021, 1:00 AM AKST
Expired
Dec 21, 2021, 9:27 AM AKST
In force
8 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

076 
WWAK41 PAFC 210126
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
426 PM AKST Mon Dec 20 2021

AKZ131-211430-
/O.UPG.PAFC.WS.A.0016.211221T1000Z-211222T0000Z/
/O.NEW.PAFC.BZ.W.0026.211221T1000Z-211222T0100Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
426 PM AKST Mon Dec 20 2021

...BLIZZARD WARNING IN EFFECT FROM 1 AM TO 4 PM AKST TUESDAY FOR
THOMPSON PASS...

* WHAT...Blizzard conditions expected. Total snow accumulations of
  1 to 3 inches. Winds could gust as high as 70 mph. 

* WHERE...Thompson Pass.

* WHEN...From 1 AM to 4 PM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. Visibility reduced
  to one quarter mile or less at times.

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 whiteout
conditions, making travel very hazardous. If you must travel,
have a winter survival kit with you.If you get stranded, stay
with your vehicle. 

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ101-211000-
/O.CON.PAFC.WW.Y.0071.000000T0000Z-211221T1000Z/
Anchorage-
Including the cities of Anchorage, Eagle River, Indian, 
and Eklutna
426 PM AKST Mon Dec 20 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM AKST
TUESDAY...

* WHAT...Snow. Additional snow accumulations of 4 to 8 inches.
  Highest amounts are expected across East Anchorage, the
  Hillside, Eagle River and the Glenn Highway corridor.

* WHERE...Anchorage.

* WHEN...Until 1 AM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning and evening commute.
  Visibility reduced to one half mile or less at times.

* ADDITIONAL DETAILS...Freezing drizzle currently falling over the
  Anchorage Bowl will quickly change over to all snow by early
  this evening and become steadier and heavier. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ111-211000-
/O.CON.PAFC.WW.Y.0071.000000T0000Z-211221T1000Z/
Matanuska Valley-
Including the cities of Palmer, Wasilla, Sutton, and Chickaloon
426 PM AKST Mon Dec 20 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM AKST
TUESDAY...

* WHAT...Snow. Additional snow accumulations of 4 to 8 inches. 
  Highest amounts from Palmer north and east including Sutton to 
  Chickaloon.

* WHERE...Matanuska Valley.

* WHEN...Until 1 AM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the evening commute. Visibility reduced
  to one half mile or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ121-210600-
/O.CON.PAFC.WW.Y.0071.000000T0000Z-211221T0600Z/
Western Kenai Peninsula-
Including the cities of Kenai, Soldotna, Homer, 
and Cooper Landing
426 PM AKST Mon Dec 20 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM AKST THIS
EVENING...

* WHAT...Snow, mixed with freezing rain at times. Total snow 
  accumulations of 2 to 5 inches and ice accumulations of around 
  one tenth of an inch. Highest snow amounts from Sterling east.

* WHERE...Western Kenai Peninsula.

* WHEN...Until 9 PM AKST Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the evening commute. 

* ADDITIONAL DETAILS...Rain in Homer will transition to snow this
  evening. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ141-211200-
/O.CON.PAFC.WW.Y.0071.000000T0000Z-211221T1200Z/
Copper River Basin-
Including the cities of Glennallen, Eureka, McCarthy, Paxson, 
and Slana
426 PM AKST Mon Dec 20 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM AKST
TUESDAY...

* WHAT...Snow. Total snow accumulations of 4 to 8 inches.

* WHERE...Copper River Basin.

* WHEN...Until 3 AM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. Visibility reduced
  to one half mile or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

http://www.weather.gov/afc
4 follow-up statements
997 
WWAK41 PAFC 210530
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
830 PM AKST Mon Dec 20 2021

AKZ121-210630-
/O.CAN.PAFC.WW.Y.0071.000000T0000Z-211221T0600Z/
Western Kenai Peninsula-
Including the cities of Kenai, Soldotna, Homer, 
and Cooper Landing
830 PM AKST Mon Dec 20 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow and freezing rain have tapered off across much of the 
western Kenai Peninsula. Areas of light snow will linger inland 
through around midnight with little additional accumulation. 

$$

AKZ131-211830-
/O.CON.PAFC.BZ.W.0026.211221T1000Z-211222T0100Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
830 PM AKST Mon Dec 20 2021

...BLIZZARD WARNING REMAINS IN EFFECT FROM 1 AM TO 4 PM AKST
TUESDAY THROUGH THOMPSON PASS...

* WHAT...Blizzard conditions expected. Total snow accumulations 
  of 1 to 3 inches. Winds could gust as high as 70 mph.

* WHERE...Thompson Pass.

* WHEN...From 1 AM to 4 PM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. Visibility reduced 
  to one quarter mile or less at times.

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 whiteout
conditions, making travel very hazardous. If you must travel,
have a winter survival kit with you.If you get stranded, stay
with your vehicle.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ101-211000-
/O.CON.PAFC.WW.Y.0071.000000T0000Z-211221T1000Z/
Anchorage-
Including the cities of Anchorage, Eagle River, Indian, 
and Eklutna
830 PM AKST Mon Dec 20 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM AKST
TUESDAY...

* WHAT...Snow. Additional snow accumulations of 4 to 8 inches. 
  Highest amounts are expected across East Anchorage, the 
  Hillside, Eagle River and the Glenn Highway corridor.

* WHERE...Anchorage.

* WHEN...Until 1 AM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning and evening commute. 
  Visibility reduced to one half mile or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ111-211000-
/O.CON.PAFC.WW.Y.0071.000000T0000Z-211221T1000Z/
Matanuska Valley-
Including the cities of Palmer, Wasilla, Sutton, and Chickaloon
830 PM AKST Mon Dec 20 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM AKST
TUESDAY...

* WHAT...Snow. Additional snow accumulations of 4 to 8 inches. 
  Highest amounts from Palmer north and east including Sutton to 
  Chickaloon.

* WHERE...Matanuska Valley.

* WHEN...Until 1 AM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute. Visibility 
  reduced to one half mile or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ141-211200-
/O.CON.PAFC.WW.Y.0071.000000T0000Z-211221T1200Z/
Copper River Basin-
Including the cities of Glennallen, Eureka, McCarthy, Paxson, 
and Slana
830 PM AKST Mon Dec 20 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM AKST
TUESDAY...

* WHAT...Snow. Total snow accumulations of 4 to 8 inches.

* WHERE...Copper River Basin.

* WHEN...Until 3 AM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. Visibility reduced 
  to one half mile or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

http://www.weather.gov/afc
143 
WWAK41 PAFC 210951
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
1251 AM AKST Tue Dec 21 2021

AKZ101-211100-
/O.EXP.PAFC.WW.Y.0071.000000T0000Z-211221T1000Z/
Anchorage-
Including the cities of Anchorage, Eagle River, Indian, 
and Eklutna
1251 AM AKST Tue Dec 21 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 1 AM AKST EARLY THIS
MORNING...

Snow has moved out of the area, but a few flurries may linger
tonight.

$$

AKZ111-211100-
/O.EXP.PAFC.WW.Y.0071.000000T0000Z-211221T1000Z/
Matanuska Valley-
Including the cities of Palmer, Wasilla, Sutton, and Chickaloon
1251 AM AKST Tue Dec 21 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 1 AM AKST EARLY THIS
MORNING...

Snow has moved out of the area, but a few flurries may linger
tonight.

$$

AKZ131-212300-
/O.CON.PAFC.BZ.W.0026.211221T1000Z-211222T0100Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
1251 AM AKST Tue Dec 21 2021

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON THROUGH THOMPSON PASS...

* WHAT...Blizzard conditions expected. Total snow accumulations 
  of 1 to 3 inches. Winds could gust as high as 70 mph.

* WHERE...Thompson Pass.

* WHEN...From 1 AM to 4 PM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. Visibility reduced
  to one quarter mile or less at times.

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 whiteout
conditions, making travel very hazardous. If you must travel,
have a winter survival kit with you.If you get stranded, stay
with your vehicle.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ141-211200-
/O.CON.PAFC.WW.Y.0071.000000T0000Z-211221T1200Z/
Copper River Basin-
Including the cities of Glennallen, Eureka, McCarthy, Paxson, 
and Slana
1251 AM AKST Tue Dec 21 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM AKST
EARLY THIS MORNING...

* WHAT...Snow. Additional snow accumulations of 1 to 2 inches.

* WHERE...Copper River Basin.

* WHEN...Until 3 AM AKST Tuesday.

* IMPACTS...Plan on slippery road conditions. Visibility reduced
  to one half mile or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

http://www.weather.gov/afc
493 
WWAK41 PAFC 211147
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
247 AM AKST Tue Dec 21 2021

AKZ141-211300-
/O.EXP.PAFC.WW.Y.0071.000000T0000Z-211221T1200Z/
Copper River Basin-
Including the cities of Glennallen, Eureka, McCarthy, Paxson, 
and Slana
247 AM AKST Tue Dec 21 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 AM AKST EARLY THIS
MORNING...

Storm has moved out. Light snow will linger for the next few 
hours south of Glennallen.

$$

AKZ131-220100-
/O.CON.PAFC.BZ.W.0026.000000T0000Z-211222T0100Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
247 AM AKST Tue Dec 21 2021

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON THROUGH THOMPSON PASS...

* WHAT...Blizzard conditions expected. Total snow accumulations 
  of 1 to 3 inches. Winds could gust as high as 70 mph.

* WHERE...Thompson Pass.

* WHEN...From 1 AM to 4 PM AKST today.

* IMPACTS...Plan on slippery road conditions. Visibility reduced 
  to one quarter mile or less at times.

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 whiteout
conditions, making travel very hazardous. If you must travel,
have a winter survival kit with you.If you get stranded, stay
with your vehicle.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

http://www.weather.gov/afc
344 
WWAK41 PAFC 211827
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
927 AM AKST Tue Dec 21 2021

AKZ131-211930-
/O.CAN.PAFC.BZ.W.0026.000000T0000Z-211222T0100Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
927 AM AKST Tue Dec 21 2021

...BLIZZARD WARNING IS CANCELLED THROUGH THOMPSON PASS...

Any blizzard conditions that occurred through the Pass have now
ended. Localized reductions in visibility due to blowing snow are
still possible.

$$

http://www.weather.gov/afc

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 3:15 PM AKSTGale WarningAFC13 hr
Dec 20, 3:15 PM AKSTStorm WarningAFC13 hr
Dec 20, 3:25 PM AKSTGale WarningAFC13 hr
Dec 20, 3:25 PM AKSTSmall Craft AdvisoryAFC13 hr
Dec 20, 3:57 PM AKSTGale WarningAFC4 days
Dec 20, 3:57 PM AKSTSmall Craft AdvisoryAFC49 hr
Dec 21, 5:08 AM AKSTGale WarningAFC71 hr
Dec 21, 5:08 AM AKSTGale WarningAFC59 hr
Dec 21, 5:11 AM AKSTGale WarningAFC4 days
Dec 21, 5:11 AM AKSTGale WarningAFC4 days
Dec 21, 5:11 AM AKSTSmall Craft AdvisoryAFC8 days
Dec 21, 5:11 AM AKSTStorm WarningAFC11 hr
Dec 21, 5:29 AM AKSTWinter Weather AdvisoryAFC37 hr
Dec 21, 11:43 AM AKSTDense Fog AdvisoryAFC8 hr

Nearby

Blizzard Warnings in Alaska, 2021Every blizzard warning in 2021

Sources

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