Alert archive / Alaska / Blizzard Warnings in 2023

Blizzard Warning 12, NWS Anchorage, AK

November 12, 2023

NWS Anchorage, AK issued this blizzard warning at Nov 12, 2023, 9:32 AM AKST. It took effect at Nov 13, 2023, 10:00 AM AKST. It was in force for 11 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
Nov 12, 2023, 9:32 AM AKST (18:32 UTC)
In effect from
Nov 13, 2023, 10:00 AM AKST
Expired
Nov 13, 2023, 9:00 PM AKST
In force
11 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

140 
WWAK41 PAFC 121832
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
932 AM AKST Sun Nov 12 2023

AKZ126-130745-
/O.NEW.PAFC.BZ.W.0012.231113T1900Z-231114T0100Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, and Moose Pass
932 AM AKST Sun Nov 12 2023

...BLIZZARD WARNING IN EFFECT FROM 10 AM TO 4 PM AKST MONDAY FOR
WHITTIER...

* WHAT...Blizzard conditions expected. West winds gusting 35 to 
  50 mph. Total snow accumulation of 6 to 8 inches.

* WHERE...Whittier.

* WHEN...From 10 AM to 4 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow
  will produce white-out conditions at times. 

* ADDITIONAL DETAILS...Snow will develop late tonight with an
  east-northeast wind of 10 to 20 mph. Winds will shift to
  westerly and rapidly strengthen mid to late morning on Monday,
  leading to development of blizzard conditions. Snowfall will end
  around noon, but winds will continue through the afternoon hours
  allowing the blizzard conditions and drifting snow to persist. 

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.

&&

$$

AKZ132-130745-
/O.NEW.PAFC.BZ.W.0012.231113T2200Z-231114T0600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
932 AM AKST Sun Nov 12 2023

...BLIZZARD WARNING IN EFFECT FROM 1 PM TO 9 PM AKST MONDAY FOR
THOMPSON PASS...

* WHAT...Blizzard conditions expected. North winds gusting 35 to
  50 mph. Total snow accumulation of 6 to 10 inches.

* WHERE...Thompson Pass.

* WHEN...From 1 PM to 9 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times. 

* ADDITIONAL DETAILS...Snow will develop late tonight and continue
  through Monday afternoon. Winds will shift from easterly to
  northerly in the early afternoon and rapidly strengthen leading
  to development of blizzard conditions. Even though snow will end
  by late afternoon, continued gusty winds will lead to a ground
  blizzard and drifting snow to persist through the evening 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 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.

&&

$$

AKZ102-130745-
/O.CON.PAFC.WS.W.0007.231113T0900Z-231113T2100Z/
Anchorage-
Including the cities of Anchorage, Eagle River, Indian, 
and Eklutna
932 AM AKST Sun Nov 12 2023

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO NOON AKST MONDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 9
  inches with up to 12 inches on the Anchorage and Eagle River
  Hillsides. Areas of blowing snow reducing visibilities to one
  half mile or less at times Monday morning.

* WHERE...Anchorage.

* WHEN...From midnight tonight to noon AKST Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning commute. Power outages are 
  possible given the current snow load on area trees.

* ADDITIONAL DETAILS...Heaviest snow rates from 1 to 1.5 inch an
  hour are expected between 5 AM and 10 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions will make travel very hazardous. If you must travel,
keep an extra flashlight, food and water in your vehicle in case
of an emergency.

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

&&

$$

AKZ112-130745-
/O.CON.PAFC.WW.Y.0046.231113T0900Z-231113T2100Z/
Matanuska Valley-
Including the cities of Palmer, Wasilla, Sutton, and Chickaloon
932 AM AKST Sun Nov 12 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO NOON AKST MONDAY...

* WHAT...Snow expected. Total snow accumulations of 5 to 10 
  inches.

* WHERE...Matanuska Valley.

* WHEN...From midnight tonight to noon AKST Monday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning and evening commutes.

* ADDITIONAL DETAILS...The higher totals will likely be from 
  Wasilla west including along Knik-Goose Bay road.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

AKZ145-130745-
/O.CON.PAFC.WW.Y.0046.231113T0700Z-231113T2100Z/
Susitna Valley-
Including the cities of Talkeetna and Willow
932 AM AKST Sun Nov 12 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO NOON AKST MONDAY...

* WHAT...Snow expected. Total snow accumulations of 7 to 10 
  inches.

* WHERE...Susitna Valley.

* WHEN...From 10 PM this evening to noon AKST Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning and evening commutes.

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
7 follow-up statements
034 
WWAK41 PAFC 130038
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
338 PM AKST Sun Nov 12 2023

AKZ126-131400-
/O.CON.PAFC.BZ.W.0012.231113T1900Z-231114T0100Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, and Moose Pass
338 PM AKST Sun Nov 12 2023

...BLIZZARD WARNING REMAINS IN EFFECT FROM 10 AM TO 4 PM AKST
MONDAY FOR WHITTIER...

* WHAT...Blizzard conditions expected. West winds gusting 35 to 
  50 mph. Total snow accumulation of 6 to 8 inches.

* WHERE...Whittier.

* WHEN...From 10 AM to 4 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Snow will develop late tonight with an 
  east-northeast wind of 10 to 20 mph. Winds will shift to 
  westerly and rapidly strengthen mid to late morning on Monday, 
  leading to development of blizzard conditions. Snowfall will 
  end around noon, but winds will continue through the afternoon 
  hours allowing the blizzard conditions and drifting snow to 
  persist.

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.

&&

$$

AKZ132-131400-
/O.CON.PAFC.BZ.W.0012.231113T2200Z-231114T0600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
338 PM AKST Sun Nov 12 2023

...BLIZZARD WARNING REMAINS IN EFFECT FROM 1 PM TO 9 PM AKST
MONDAY FOR THOMPSON PASS...

* WHAT...Blizzard conditions expected. North winds gusting 35 to 
  50 mph. Total snow accumulation of 6 to 10 inches.

* WHERE...Thompson Pass.

* WHEN...From 1 PM to 9 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Snow will develop late tonight and 
  continue through Monday afternoon. Winds will shift from 
  easterly to northerly in the early afternoon and rapidly 
  strengthen leading to development of blizzard conditions. Even 
  though snow will end by late afternoon, continued gusty winds 
  will lead to a ground blizzard and drifting snow to persist 
  through the evening 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 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.

&&

$$

AKZ102-131400-
/O.CON.PAFC.WS.W.0007.231113T0900Z-231113T2100Z/
Anchorage-
Including the cities of Anchorage, Eagle River, Indian, 
and Eklutna
338 PM AKST Sun Nov 12 2023

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO NOON AKST MONDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 9 
  inches with up to 12 inches on the Anchorage and Eagle River 
  Hillsides. Areas of blowing snow reducing visibilities to one 
  half mile or less at times Monday morning.

* WHERE...Anchorage north to Birchwood.

* WHEN...From midnight tonight to noon AKST Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning commute. Power outages are 
  possible given the current snow load on area trees.

* ADDITIONAL DETAILS...Heaviest snow rates from 1 to 1.5 inch an 
  hour are expected between 5 AM and 10 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions will make travel very hazardous. If you must travel,
keep an extra flashlight, food and water in your vehicle in case
of an emergency.

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

&&

$$

AKZ112-131400-
/O.CON.PAFC.WW.Y.0046.231113T0900Z-231113T2100Z/
Matanuska Valley-
Including the cities of Palmer, Wasilla, Sutton, and Chickaloon
338 PM AKST Sun Nov 12 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO NOON AKST MONDAY...

* WHAT...Snow expected. Total snow accumulations of 5 to 10 
  inches.

* WHERE...Matanuska Valley.

* WHEN...From midnight tonight to noon AKST Monday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning and evening commutes.

* ADDITIONAL DETAILS...The higher totals will likely be from 
  Wasilla west including along Knik-Goose Bay road.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

AKZ145-131400-
/O.CON.PAFC.WW.Y.0046.231113T0700Z-231113T2100Z/
Susitna Valley-
Including the cities of Talkeetna and Willow
338 PM AKST Sun Nov 12 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO NOON AKST MONDAY...

* WHAT...Snow expected. Total snow accumulations of 7 to 10 
  inches.

* WHERE...Susitna Valley.

* WHEN...From 10 PM this evening to noon AKST Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning and evening commutes.


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
067 
WWAK41 PAFC 131308
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
408 AM AKST Mon Nov 13 2023

AKZ126-140100-
/O.CON.PAFC.BZ.W.0012.231113T1900Z-231114T0100Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, and Moose Pass
408 AM AKST Mon Nov 13 2023

...BLIZZARD WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
4 PM AKST THIS AFTERNOON...

* WHAT...Blizzard conditions expected. West winds gusting 30 to 40 
  mph. Total snow accumulation of 4 to 6 inches.

* WHERE...Whittier.

* WHEN...From 10 AM to 4 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Winds will shift to westerly and rapidly
  strengthen mid to late morning today. This will lead to 
  development of blizzard conditions. Snowfall will end around 
  noon, but winds will continue through the afternoon hours 
  allowing the blizzard conditions and drifting snow to persist.

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.

&&

$$

AKZ132-140100-
/O.CON.PAFC.BZ.W.0012.231113T2200Z-231114T0600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
408 AM AKST Mon Nov 13 2023

...BLIZZARD WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
9 PM AKST THIS EVENING...

* WHAT...Blizzard conditions expected. North winds gusting 35 to 
  50 mph. Total snow accumulation of 6 to 10 inches.

* WHERE...Thompson Pass.

* WHEN...From 1 PM to 9 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Snow will continue through this afternoon.
  Winds will shift from easterly to northerly in the early 
  afternoon and rapidly strengthen leading to development of 
  blizzard conditions. Even though snow will end by late 
  afternoon, continued gusty winds will lead to a ground blizzard 
  and drifting snow to persist through the evening 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 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.

&&

$$

AKZ102-132100-
/O.CON.PAFC.WS.W.0007.000000T0000Z-231113T2100Z/
Anchorage-
Including the cities of Anchorage, Eagle River, Indian, 
and Eklutna
408 AM AKST Mon Nov 13 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON AKST TODAY...

* WHAT...Heavy snow occurring. Total snow accumulations of 6 to 9
  inches with up to 12 inches on the Anchorage and Eagle River 
  Hillsides.
  

* WHERE...Anchorage.

* WHEN...Until noon AKST Today.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning commute. Power outages are 
  possible given the current snow load on area trees.

* ADDITIONAL DETAILS...Heaviest snow rates from 1 to 1.5 inch an
  hour are expected between 4 AM and 8 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions will make travel very hazardous. If you must travel,
keep an extra flashlight, food and water in your vehicle in case
of an emergency.

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

&&

$$

AKZ112-132100-
/O.CON.PAFC.WW.Y.0046.000000T0000Z-231113T2100Z/
Matanuska Valley-
Including the cities of Palmer, Wasilla, Sutton, and Chickaloon
408 AM AKST Mon Nov 13 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
TODAY...

* WHAT...Snow occurring. Total snow accumulations of 5 to 9 
  inches.

* WHERE...Matanuska Valley.

* WHEN...Until noon AKST Today.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning and evening commutes.

* ADDITIONAL DETAILS...Highest totals will likely be from Wasilla
  west including along Knik-Goose Bay road.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

AKZ145-132100-
/O.CON.PAFC.WW.Y.0046.000000T0000Z-231113T2100Z/
Susitna Valley-
Including the cities of Talkeetna and Willow
408 AM AKST Mon Nov 13 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
TODAY...

* WHAT...Snow occurring. Total snow accumulations of 7 to 10 
  inches.

* WHERE...Susitna Valley.

* WHEN...Until noon AKST Today.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning and evening commutes.


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
657 
WWAK41 PAFC 131311 CCA
WSWAER

URGENT - WINTER WEATHER MESSAGE...CORRECTED
National Weather Service Anchorage AK
411 AM AKST Mon Nov 13 2023

AKZ126-140100-
/O.COR.PAFC.BZ.W.0012.231113T1900Z-231114T0100Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, and Moose Pass
411 AM AKST Mon Nov 13 2023

...BLIZZARD WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
4 PM AKST THIS AFTERNOON...

* WHAT...Blizzard conditions expected. West winds gusting 35 to 
  50 mph. Total snow accumulation of 4 to 6 inches.

* WHERE...Whittier.

* WHEN...From 10 AM to 4 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Winds will shift to westerly and rapidly
  strengthen mid to late morning today. This will lead to 
  development of blizzard conditions. Snowfall will end around 
  noon, but winds will continue through the afternoon hours 
  allowing the blizzard conditions and drifting snow to persist.

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.

&&

$$

AKZ132-140100-
/O.CON.PAFC.BZ.W.0012.231113T2200Z-231114T0600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
411 AM AKST Mon Nov 13 2023

...BLIZZARD WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
9 PM AKST THIS EVENING...

* WHAT...Blizzard conditions expected. North winds gusting 35 to 
  50 mph. Total snow accumulation of 6 to 10 inches.

* WHERE...Thompson Pass.

* WHEN...From 1 PM to 9 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Snow will continue through this afternoon.
  Winds will shift from easterly to northerly in the early 
  afternoon and rapidly strengthen leading to development of 
  blizzard conditions. Even though snow will end by late 
  afternoon, continued gusty winds will lead to a ground blizzard 
  and drifting snow to persist through the evening 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 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.

&&

$$

AKZ102-132100-
/O.CON.PAFC.WS.W.0007.000000T0000Z-231113T2100Z/
Anchorage-
Including the cities of Anchorage, Eagle River, Indian, 
and Eklutna
411 AM AKST Mon Nov 13 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON AKST TODAY...

* WHAT...Heavy snow occurring. Total snow accumulations of 6 to 9
  inches with up to 12 inches on the Anchorage and Eagle River 
  Hillsides.
  

* WHERE...Anchorage.

* WHEN...Until noon AKST Today.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning commute. Power outages are 
  possible given the current snow load on area trees.

* ADDITIONAL DETAILS...Heaviest snow rates from 1 to 1.5 inch an
  hour are expected between 4 AM and 8 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions will make travel very hazardous. If you must travel,
keep an extra flashlight, food and water in your vehicle in case
of an emergency.

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

&&

$$

AKZ112-132100-
/O.CON.PAFC.WW.Y.0046.000000T0000Z-231113T2100Z/
Matanuska Valley-
Including the cities of Palmer, Wasilla, Sutton, and Chickaloon
411 AM AKST Mon Nov 13 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
TODAY...

* WHAT...Snow occurring. Total snow accumulations of 5 to 9 
  inches.

* WHERE...Matanuska Valley.

* WHEN...Until noon AKST Today.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning and evening commutes.

* ADDITIONAL DETAILS...Highest totals will likely be from Wasilla
  west including along Knik-Goose Bay road.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

AKZ145-132100-
/O.CON.PAFC.WW.Y.0046.000000T0000Z-231113T2100Z/
Susitna Valley-
Including the cities of Talkeetna and Willow
411 AM AKST Mon Nov 13 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
TODAY...

* WHAT...Snow occurring. Total snow accumulations of 7 to 10 
  inches.

* WHERE...Susitna Valley.

* WHEN...Until noon AKST Today.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning and evening commutes.


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
613 
WWAK41 PAFC 131526 CCA 
WSWAER

URGENT - WINTER WEATHER MESSAGE...CORRECTED
National Weather Service Anchorage AK
626 AM AKST Mon Nov 13 2023

AKZ126-140100-
/O.COR.PAFC.BZ.W.0012.231113T1900Z-231114T0100Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, and Moose Pass
626 AM AKST Mon Nov 13 2023

...BLIZZARD WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
4 PM AKST THIS AFTERNOON FOR WHITTIER...

* WHAT...Blizzard conditions expected. West winds gusting 35 to 
  50 mph. Total snow accumulation of 4 to 6 inches.

* WHERE...Whittier.

* WHEN...From 10 AM to 4 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Winds will shift to westerly and rapidly
  strengthen mid to late morning today. This will lead to 
  development of blizzard conditions. Snowfall will end around 
  noon, but winds will continue through the afternoon hours 
  allowing the blizzard conditions and drifting snow to persist.

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.

&&

$$

AKZ132-140100-
/O.COR.PAFC.BZ.W.0012.231113T2200Z-231114T0600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
626 AM AKST Mon Nov 13 2023

...BLIZZARD WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
9 PM AKST THIS EVENING FOR THOMPSON PASS...

* WHAT...Blizzard conditions expected. North winds gusting 35 to 
  50 mph. Total snow accumulation of 6 to 10 inches.

* WHERE...Thompson Pass.

* WHEN...From 1 PM to 9 PM AKST Monday.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Snow will continue through this afternoon.
  Winds will shift from easterly to northerly in the early 
  afternoon and rapidly strengthen leading to development of 
  blizzard conditions. Even though snow will end by late 
  afternoon, continued gusty winds will lead to a ground blizzard 
  and drifting snow to persist through the evening 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 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.

&&

$$

AKZ102-132100-
/O.COR.PAFC.WS.W.0007.000000T0000Z-231113T2100Z/
Anchorage-
Including the cities of Anchorage, Eagle River, Indian, 
and Eklutna
626 AM AKST Mon Nov 13 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON AKST TODAY...

* WHAT...Heavy snow occurring. Total snow accumulations of 6 to 9
  inches with up to 12 inches on the Anchorage and Eagle River
  Hillsides. Areas of blowing snow.

* WHERE...Anchorage.

* WHEN...Until noon AKST Today.

* IMPACTS...Plan on slippery road conditions. Visibility one half
  mile or less at times. The hazardous conditions could impact 
  the morning commute. Power outages are possible given the 
  current snow load on area trees.

* ADDITIONAL DETAILS...Heaviest snow rates from 1 to 1.5 inch an
  hour are expected between 4 AM and 8 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions will make travel very hazardous. If you must travel,
keep an extra flashlight, food and water in your vehicle in case
of an emergency.

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

&&

$$

AKZ112-132100-
/O.COR.PAFC.WW.Y.0046.000000T0000Z-231113T2100Z/
Matanuska Valley-
Including the cities of Palmer, Wasilla, Sutton, and Chickaloon
626 AM AKST Mon Nov 13 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
TODAY...

* WHAT...Snow occurring. Total snow accumulations of 5 to 9 
  inches.

* WHERE...Matanuska Valley.

* WHEN...Until noon AKST Today.

* IMPACTS...Travel could be very difficult. Visibility one half
  mile or less at times. The hazardous conditions could impact 
  the morning and evening commutes.

* ADDITIONAL DETAILS...Highest totals will likely be from Wasilla
  west including along Knik-Goose Bay road.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

AKZ145-132100-
/O.COR.PAFC.WW.Y.0046.000000T0000Z-231113T2100Z/
Susitna Valley-
Including the cities of Talkeetna and Willow
626 AM AKST Mon Nov 13 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
TODAY...

* WHAT...Snow occurring. Total snow accumulations of 7 to 10 
  inches.

* WHERE...Susitna Valley.

* WHEN...Until noon AKST Today.

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

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
913 
WWAK41 PAFC 132115
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
1215 PM AKST Mon Nov 13 2023

AKZ102-132215-
/O.EXP.PAFC.WS.W.0007.000000T0000Z-231113T2100Z/
Anchorage-
Including the cities of Anchorage, Eagle River, Indian, 
and Eklutna
1215 PM AKST Mon Nov 13 2023

...WINTER STORM WARNING HAS EXPIRED...

Snow has ended in the Anchorage area. Dry conditions are 
expected for the remainder of the day. 

$$

AKZ112-145-132215-
/O.EXP.PAFC.WW.Y.0046.000000T0000Z-231113T2100Z/
Matanuska Valley-Susitna Valley-
Including the cities of Palmer, Wasilla, Sutton, Chickaloon, 
Talkeetna, and Willow
1215 PM AKST Mon Nov 13 2023

...WINTER WEATHER ADVISORY HAS EXPIRED...

Snow has ended across the Matanuska and Susitna Valleys. Dry 
conditions are expected for the remainder of the day. 

$$

AKZ126-140100-
/O.CON.PAFC.BZ.W.0012.000000T0000Z-231114T0100Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, and Moose Pass
1215 PM AKST Mon Nov 13 2023

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON FOR WHITTIER...

* WHAT...Blizzard conditions expected. West winds gusting 35 to 
  50 mph. Total snow accumulation of 4 to 6 inches.

* WHERE...Whittier.

* WHEN...Until 4 PM AKST this afternoon.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Winds will shift to westerly and rapidly 
  strengthen mid to late morning today. This will lead to 
  development of blizzard conditions. Snowfall will end around 
  noon, but winds will continue through the afternoon hours 
  allowing the blizzard conditions and drifting snow to persist.

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.

&&

$$

AKZ132-140600-
/O.CON.PAFC.BZ.W.0012.231113T2200Z-231114T0600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
1215 PM AKST Mon Nov 13 2023

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 PM AKST THIS
EVENING FOR THOMPSON PASS...

* WHAT...Blizzard conditions expected. North winds gusting 35 to 
  50 mph. Total snow accumulation of 6 to 10 inches.

* WHERE...Thompson Pass.

* WHEN...Until 9 PM AKST this evening.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Snow will continue through this 
  afternoon. Winds will shift from easterly to northerly in the 
  early afternoon and rapidly strengthen leading to development 
  of blizzard conditions. Even though snow will end by late 
  afternoon, continued gusty winds will lead to a ground 
  blizzard and drifting snow to persist through the evening 
  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 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
738 
WWAK41 PAFC 132349
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
249 PM AKST Mon Nov 13 2023

AKZ126-140100-
/O.CAN.PAFC.BZ.W.0012.000000T0000Z-231114T0100Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, and Moose Pass
249 PM AKST Mon Nov 13 2023

...BLIZZARD WARNING IS CANCELLED...

While westerly winds will gust 35 to 50 mph through the afternoon,
little to no visibility reductions are expected as warmer 
temperatures should keep snow from blowing around.

$$

AKZ132-140600-
/O.CON.PAFC.BZ.W.0012.000000T0000Z-231114T0600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
249 PM AKST Mon Nov 13 2023

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 PM AKST THIS
EVENING FOR THOMPSON PASS...

* WHAT...Blizzard conditions. Additional snow accumulations of up
  to two inches. North winds gusting 35 to 50 mph.

* WHERE...Thompson Pass.

* WHEN...Until 9 PM AKST this evening.

* IMPACTS...Travel will be difficult. Falling and blowing snow 
  will produce white-out conditions at times.

* ADDITIONAL DETAILS...Winds are shifting from easterly to
  northerly and will rapidly strengthen, leading to development of
  blizzard conditions. Even though snow is tapering off, 
  continued gusty winds will lead to a ground blizzard and cause 
  drifting snow to persist through the evening 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 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
339 
WWAK41 PAFC 140614
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
914 PM AKST Mon Nov 13 2023

AKZ132-140715-
/O.EXP.PAFC.BZ.W.0012.000000T0000Z-231114T0600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
914 PM AKST Mon Nov 13 2023

...BLIZZARD WARNING HAS EXPIRED...

Conditions are expected to remain below blizzard criteria; 
however, gusty winds of 35 to 40 mph will continue to create some 
blowing and drifting of snow over the next several hours.

$$

http://www.weather.gov/afc

What forecasters said that day

The local office's own words before this blizzard warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before this blizzard warning went out at Nov 12, 5:51 AM AKST, 3 hours 41 minutes earlier.

Area forecast discussion, Nov 12, 5:51 AM AKST, 3 hours 41 minutes before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
551 AM AKST Sun Nov 12 2023

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3)...

After some sunshine today (once it finally rises of course),
clouds will rapidly move in from the west as a front approaches
Southcentral Alaska. This front will be fairly fast moving but
will bring in widespread snowfall across Southcentral from tonight
through Monday. Heaviest snowfall will be in Anchorage and the
Mat-Su. In these areas there will likely be some snowfall rates at
or a little over an inch and hour for a few hours late tonight
into Monday morning. This system is a very different structure
than the ones from last week so it is unlikely that the snow will
linger around any of these areas and should shut off by late
Monday morning as it heads into the Copper River Basin.

The biggest forecast challenge for this system, is determining
whether there will be a periods of southeast winds over Anchorage
and the Matanuska Valley overnight or if they stay northerly at
the surface. The GFS model wants to keep them northerly all the
way down Cook Inlet the entire period while the NAM and the suite
of Hi-resolution models are showing the southeast wind
development. These winds will not be terrible strong, but will
have an impact on snow amounts in these areas. These southeasterly
winds would have the effect of having south and west Anchorage
with the highest amounts with northeast Anchorage and especially
Eagle River with lesser amounts of snow. For the Matanuska Valley,
it will lessen the amount of snow in Palmer and push the heavier
snowfall to Wasilla and Knik-Goose Bay road.

Snowfall will also occur over the Kenai Peninsula with the snow
likely switching over to rain around Kachemak Bay late tonight.
This is also dependent on the wind direction turning to the south
to southeast for much of the night. As with the case in Upper Cook
Inlet, the GFS model wants to keep winds northerly and
temperatures colder than the NAM and hi-resolution models. The
more likely situation is for the southeasterly flow and rain
around Kachemak Bay, though it likely will not make it much
further north than that.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA/BERING SEA/ALEUTIANS (Days
1 through 3: Today through Wednesday)...

The short term forecast remains largely on track with minimal
changes made. A high amplitude ridge builds from the Bering into
Mainland Alaska and is followed by an expansive upper trough and
embedded low. The low will continue tracking all the way up to the
Russian Arctic today. Its attendant surface front draped across
the central Bering and Aleutians this morning is bringing
widespread rain and gale force southerly winds with it. The front
will push across Southwest Alaska today. Conditions will initially
be cold enough for snow as precipitation first arrives, but much
warmer air aloft will lead to a quick transition to rain for the
Kuskokwim Delta and coastal areas of Bristol Bay. A brief period
of light freezing rain is possible for these regions this morning
into the early afternoon during the transition from snow to rain.
Any ice accumulations are most likely to be trace to a tenth of an
inch. Precipitation will spread across interior Bristol Bay and
Lower Kuskokwim Valley later today and will most likely remain
snow, although a brief period of mixed precipitation is possible
near Aniak early this afternoon. By tonight, much colder air
behind the front is expected to turn any remaining precipitation
to snow. The combination of cold air advection and short-waves
rapidly tracking eastward across the Bering Sea will bring a
showery regime to the Bering, Pribilof Islands, and into Southwest
Alaska for Monday.

Another storm system will track from the Pacific to the Aleutian
chain Monday, with gale to storm force winds likely over the
coastal waters. Much warmer air aloft will accompany this low,
ensuring balmy surface temperatures and a precipitation type of
all rain. The system's low center is currently advertised to
elongate as it tracks over the Bering for Tuesday and Wednesday.
Its front will lift along the Aleutians on Tuesday and reach
Southwest Alaska by Tuesday evening, and then the low itself will
follow and track into Southwest on Wednesday. This system is
expected to bring rain and widespread gales (possibly storm force
winds) to the Bering and Aleutians Tuesday and Wednesday, and
another round of snow to Southwest Alaska.

AF

&&

.LONG TERM FORECAST (Days 4 through 7)...

A very progressive weather pattern will continue into and through
the extended range forecast period with multiple strong
shortwaves riding over a strong but broad ridge over the Northern
Pacific. Measures of predictability are good through Friday of
next week and very reasonable clustering of ensemble solutions.
The broad longwave ridge moves across the Southern Mainland
through Thursday. A well developed shortwave trough approaches
Bristol Bay for Wednesday and moves across the Gulf of Alaska
through Thursday. Gale force winds and locally heavy precipitation
will occur from Western Alaska and the Alaska Peninsula. Will
continue to monitor the potential for high surf, coastal flooding
and strong winds from Nunivak Island southward to Bristol Bay.
Gales will continue around Kodiak Island and over the Southern end
of the Kenai Peninsula through Wednesday. Areas of heavy snow for
the Alaska Range and parts of the Kuskokwim Valley. Widespread
precipitation is expected from the Eastern Kenai Peninsula across
the Southcentral Coast to the Canadian border through Thursday.
Expect below normal temperatures to make a return to mainland
Alaska including Southcentral beginning Friday of next week.

CC

&&

.AVIATION...

PANC...A storm is expected to arrive tonight with heavy snow
through Monday morning. Ceilings are expected to drop below MVFR
around midnight and continue to lower further into IFR at times Monday
morning with heavier snowfall. Snowfall rates of an inch per hour
are likely during the heaviest period of snow, between 12Z and
18Z Monday morning. Winds will increase from the southeast after
midnight Monday morning with a brief gust up to 25 to 30 mph
possible. Winds will quickly shift to northerly late in the
morning and become light and variable for the afternoon. Snow
should end by the early afternoon Monday.

rux

&&

In the hours before

Special weather statement, Nov 12, 4:22 AM AKST, 5 hours 10 minutes before
SPECIAL WEATHER STATEMENT
National Weather Service ANCHORAGE AK
422 AM AKST Sun Nov 12 2023

AKZ155-161-130300-
Kuskokwim Delta-Bristol Bay-
Including the cities of Bethel, Nunivak Island, King Salmon,
Dillingham, Naknek, and Pilot Point
422 AM AKST Sun Nov 12 2023

...FRONTAL SYSTEM TO BRING TRANSITIONS BETWEEN SNOW, RAIN, AND
FREEZING RAIN TODAY...

A front will begin to push inland across Southwest Alaska this
morning bringing with it warmer air. Initial snow is forecast to
transition to a rain/freezing rain mix as a result of the warmer
air pushing atop at or sub-freezing surface temperatures. While
locations from Bethel to Dillingham, and even New Stuyahok, may
experience a brief period of light freezing rain in the morning,
the temperature warm-up to above freezing should be fast enough to
limit accumulations to a trace or a few hundredths of an inch at
best. Much colder temperatures remain forecast to move back into
Southwest behind the front, bringing any mixed precipitation back
to snow by tonight.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 4:07 PM AKSTSmall Craft AdvisoryAFC4 days
Nov 12, 4:07 AM AKSTGale WarningAFC47 hr
Nov 12, 4:15 AM AKSTGale WarningAFC3 days
Nov 12, 4:15 AM AKSTSmall Craft AdvisoryAFC3 days
Nov 12, 4:22 AM AKSTGale WarningAFC24 hr
Nov 12, 4:22 AM AKSTSmall Craft AdvisoryAFC24 hr
Nov 12, 5:12 AM AKSTWinter Storm WarningAFC31 hr
Nov 12, 9:26 AM AKSTGale WarningAFC19 hr
Nov 12, 2:47 PM AKSTSmall Craft AdvisoryAFC13 hr

Nearby

Blizzard Warnings in Alaska, 2023Every blizzard warning in 2023

Sources

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