Alert archive / Alaska / Winter Storm Watches in 2021

Winter Storm Watch 13, NWS Anchorage, AK

December 7, 2021

NWS Anchorage, AK issued this winter storm watch at Dec 7, 2021, 9:55 PM AKST. It took effect at Dec 9, 2021, 9:00 AM AKST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 7, 2021, 9:55 PM AKST (06:55 UTC)
In effect from
Dec 9, 2021, 9:00 AM AKST
Expired
Dec 8, 2021, 4:17 PM AKST
In force
Issued by
NWS Anchorage, AK

The text

As transmitted.

448 
WWAK41 PAFC 080655
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
955 PM AKST Tue Dec 7 2021

AKZ141-081400-
/O.CON.PAFC.BZ.W.0020.000000T0000Z-211208T1400Z/
Copper River Basin-
Including the cities of Glennallen, Eureka, McCarthy, Paxson, 
and Slana
955 PM AKST Tue Dec 7 2021

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

* WHAT...Blizzard conditions occurring. Total snow accumulations 
  of 2 to 4 inches. North winds 30 to 35 mph gusting as high as 
  50 mph.

* WHERE...Richardson Highway from Paxson north.

* WHEN...Through 5 AM AKST Wednesday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Northerly winds gusting as high as 50 mph 
  will cause areas of blowing and drifting snow. Plan for 
  hazardous travel conditions with whiteout conditions at times. 
  Winds will begin to diminish and conditions are expected to 
  improve by Wednesday 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 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.

&&

$$

AKZ125-081500-
/O.NEW.PAFC.WS.A.0013.211209T1800Z-211210T1200Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, Girdwood, 
and Moose Pass
955 PM AKST Tue Dec 7 2021

...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 10 to 20
  inches possible. Winds could gust as high as 35 mph.

* WHERE...Western Prince William Sound.

* WHEN...From Thursday morning through late Thursday night.

* IMPACTS...Plan on slippery road conditions. Areas of blowing 
  snow could significantly reduce visibility. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...A frontal system moving into the northern
  Gulf will bring another round of moderate to heavy snow for the
  western Kenai Peninsula Thursday. Easterly winds are expected
  increase through the day. The combination of snow and winds will
  likely produce areas of blowing snow from Whittier and Portage
  Valley to Turnagain Pass, reducing visibility to as low as one
  half mile at times. Temperatures in Seward and Whittier are
  expected to climb into the lower 30s, reducing the potential for
  blowing snow by late Thursday afternoon. The heaviest snow
  amounts are expected across Portage Valley and Turnagain Pass
  with 6 to 10 inches possible for Seward and 12 to 16 inches
  possible for Whittier.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

AKZ135-081500-
/O.NEW.PAFC.WS.A.0013.211209T2100Z-211210T0600Z/
Southeast Prince William Sound-
Including the city of Cordova
955 PM AKST Tue Dec 7 2021

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...

* WHAT...Heavy snow possible. Total snow accumulations of 6 to 10 
  inches possible. Winds could gust as high as 45 mph.

* WHERE...Southeast Prince William Sound.

* WHEN...From Thursday afternoon through Thursday evening.

* IMPACTS...Plan on slippery road conditions. Areas of blowing 
  snow could significantly reduce visibility.

* ADDITIONAL DETAILS...A front will move into the northern Gulf
  Thursday with snow developing across eastern Prince William
  Sound by Thursday afternoon. Strong easterly winds are expected
  to develop ahead of the front. Temperatures in the Cordova area
  are expected to be in the upper 20s as the snow and strong 
  winds develop. The combination of blowing snow and potentially 
  heavy snowfall could reduce visibility to as low as one half 
  mile at times. Temperatures are expected to warm into the lower 
  30s by Thursday evening, reducing the potential for blowing 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

http://www.weather.gov/afc
2 follow-up statements
728 
WWAK41 PAFC 081400
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
500 AM AKST Wed Dec 8 2021

AKZ141-081500-
/O.EXP.PAFC.BZ.W.0020.000000T0000Z-211208T1400Z/
Copper River Basin-
Including the cities of Glennallen, Eureka, McCarthy, Paxson, 
and Slana
500 AM AKST Wed Dec 8 2021

...BLIZZARD WARNING HAS EXPIRED...

The winds have diminished through Isabel Pass through to Paxson so
the blizzard threat has ended. Snow in the area will diminish late
this morning.

$$

AKZ121-090300-
/O.EXB.PAFC.WS.A.0013.211209T1800Z-211210T1800Z/
Western Kenai Peninsula-
Including the cities of Kenai, Soldotna, Homer, 
and Cooper Landing
500 AM AKST Wed Dec 8 2021

...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING SOUTH OF CLAM GULCH...

* WHAT...Heavy snow possible. Total snow accumulations of 8 to 16
  inches possible with locally higher amounts in the hills north
  of Homer. 4 to 8 inches of new snow possible in Homer and along
  the Sterling Highway south of Clam Gulch. Winds could gust as
  high as 35 mph. Visibility will be reduced to one quarter mile
  or less at times.

* WHERE...South of Clam Gulch.

* WHEN...From Thursday morning through Friday morning.

* IMPACTS...Plan on slippery road conditions. Areas of blowing 
  snow could significantly reduce visibility. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...A frontal system moving into the northern
  Gulf will bring another round of moderate to heavy snow for the
  western Kenai Peninsula on Thursday, particularly in the hills
  north of Homer. Easterly winds are expected to increase through
  the day, causing some blowing and drifting snow. The low center
  will move near the area Thursday evening, which will cause the
  winds to diminish. As the low moves east Thursday night,
  northwesterly winds will develop, causing additional blowing and
  drifting snow. The snow will diminish around sunrise Friday
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

AKZ125-090300-
/O.CON.PAFC.WS.A.0013.211209T1800Z-211210T1200Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, Girdwood, 
and Moose Pass
500 AM AKST Wed Dec 8 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH LATE THURSDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 10 to 
  20 inches possible. Winds could gust as high as 35 mph.

* WHERE...Western Prince William Sound.

* WHEN...From Thursday morning through late Thursday night.

* IMPACTS...Plan on slippery road conditions. Areas of blowing 
  snow could significantly reduce visibility. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...A frontal system moving into the northern
  Gulf will bring another round of moderate to heavy snow for the
  eastern Kenai Peninsula Thursday. Easterly winds are expected to
  increase through the day. The combination of snow and winds will
  likely produce areas of blowing snow from Whittier and Portage 
  Valley to Turnagain Pass, reducing visibility to as low as one 
  half mile at times. Temperatures in Seward and Whittier are 
  expected to climb into the lower 30s, reducing the potential for
  blowing snow by late Thursday afternoon. The heaviest snow 
  amounts are expected across Portage Valley and Turnagain Pass 
  with 6 to 10 inches possible for Seward and 12 to 16 inches 
  possible for Whittier.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

AKZ135-090300-
/O.CON.PAFC.WS.A.0013.211209T2100Z-211210T0600Z/
Southeast Prince William Sound-
Including the city of Cordova
500 AM AKST Wed Dec 8 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING...

* WHAT...Heavy snow possible. Total snow accumulations of 6 to 
  10 inches possible. Winds could gust as high as 45 mph.

* WHERE...Southeast Prince William Sound.

* WHEN...From Thursday afternoon through Thursday evening.

* IMPACTS...Plan on slippery road conditions. Areas of blowing 
  snow could significantly reduce visibility.

* ADDITIONAL DETAILS...A front will move into the northern Gulf 
  Thursday with snow developing across eastern Prince William 
  Sound by Thursday afternoon. Strong easterly winds are 
  expected to develop ahead of the front. Temperatures in the 
  Cordova area are expected to be in the upper 20s as the snow 
  and strong winds develop. The combination of blowing snow and 
  potentially heavy snowfall could reduce visibility to as low 
  as one half mile at times. Temperatures are expected to warm 
  into the lower 30s by Thursday evening, reducing the potential 
  for blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

http://www.weather.gov/afc
385 
WWAK41 PAFC 090117
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
417 PM AKST Wed Dec 8 2021

AKZ135-090230-
/O.CAN.PAFC.WS.A.0013.211209T2100Z-211210T0600Z/
Southeast Prince William Sound-
Including the city of Cordova
417 PM AKST Wed Dec 8 2021

...WINTER STORM WATCH IS CANCELLED THROUGH THURSDAY EVENING...

A front moving into the northern Gulf is still expected to produce
periods of moderate to heavy snowfall and gusty winds Thursday
afternoon and evening. However, snowfall amounts and visibilities
are expected to remain well above warning criteria.

$$

AKZ125-091500-
/O.UPG.PAFC.WS.A.0013.211209T1800Z-211210T1200Z/
/O.NEW.PAFC.WS.W.0006.211209T1800Z-211210T1500Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, Girdwood, 
and Moose Pass
417 PM AKST Wed Dec 8 2021

...WINTER STORM WARNING IN EFFECT FROM 9 AM THURSDAY TO 6 AM AKST
FRIDAY...

* WHAT...Heavy snow expected. Areas of blowing snow reducing
  visibilities to a half mile or less at times. Total snow
  accumulations of 10 to 25 inches. Winds gusting as high as 30 
  mph.

* WHERE...Western Prince William Sound.

* WHEN...From 9 AM Thursday to 6 AM AKST Friday.

* IMPACTS...Travel could be very difficult. Areas of blowing 
  snow could significantly reduce visibility. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...The heaviest snowfall accumulations are
  expected for Turnagain Pass, Whittier and Portage Valley. Higher
  wind gusts to 50 mph with quarter mile visibilities through
  Portage Valley.

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.

&&

$$

AKZ121-091500-
/O.UPG.PAFC.WS.A.0013.211209T1800Z-211210T1800Z/
/O.NEW.PAFC.WW.Y.0067.211209T1800Z-211210T2100Z/
Western Kenai Peninsula-
Including the cities of Kenai, Soldotna, Homer, 
and Cooper Landing
417 PM AKST Wed Dec 8 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THURSDAY TO NOON
AKST FRIDAY FROM CLAM GULCH SOUTH...

* WHAT...Snow expected. Total snow accumulations of 6 to 10 
  inches. Winds gusting as high as 30 mph.

* WHERE...South of Clam Gulch.

* WHEN...From 9 AM Thursday to noon AKST Friday.

* IMPACTS...Plan on slippery road conditions. Areas of blowing
  snow could significantly reduce visibility. The hazardous
  conditions could impact the morning and evening commutes.

* ADDITIONAL DETAILS...Expect heaviest snowfall amounts over the
  Homer Bluff. Temperatures are expected to warm to near freezing
  in Homer, resulting in heavy wet snowfall for Thursday afternoon
  and 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.

&&

$$

http://www.weather.gov/afc

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 7, 3:23 PM AKSTGale WarningAFC48 hr
Dec 7, 3:37 PM AKSTStorm WarningAFC3 days
Dec 7, 3:37 PM AKSTHeavy Freezing Spray WarningAFC13 hr
Dec 7, 3:38 PM AKSTStorm WarningAFC60 hr
Dec 7, 9:13 PM AKSTHigh Wind WarningAFC42 hr
Dec 8, 3:41 AM AKSTWinter Weather AdvisoryAFC41 hr
Dec 8, 3:51 AM AKSTGale WarningAFC48 hr
Dec 8, 3:51 AM AKSTSmall Craft AdvisoryAFC48 hr
Dec 8, 3:51 AM AKSTStorm WarningAFC4 days
Dec 8, 3:51 AM AKSTHeavy Freezing Spray WarningAFC24 hr
Dec 8, 4:17 AM AKSTHurricane Force Wind WarningAFC35 hr
Dec 8, 4:17 AM AKSTStorm WarningAFC12 hr
Dec 8, 4:17 AM AKSTStorm WarningAFC48 hr
Dec 8, 12:34 PM AKSTCoastal Flood WarningAFC32 hr

Nearby

Winter Storm Watches in Alaska, 2021Every winter storm watch 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.