Alert archive / Alaska / Winter Storm Warnings in 2021

Winter Storm Warning 3, NWS Anchorage, AK

November 19, 2021

NWS Anchorage, AK issued this winter storm warning at Nov 19, 2021, 4:03 PM AKST. It took effect at Nov 20, 2021, 8:00 AM 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
Nov 19, 2021, 4:03 PM AKST (01:03 UTC)
In effect from
Nov 20, 2021, 8:00 AM AKST
Expired
Nov 20, 2021, 12:14 PM AKST
In force
4 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

620 
WWAK41 PAFC 200103
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
403 PM AKST Fri Nov 19 2021

AKZ171-201500-
/O.NEW.PAFC.WS.W.0003.211120T1700Z-211121T1000Z/
Kodiak Island-
Including the city of Kodiak City
403 PM AKST Fri Nov 19 2021

...WINTER STORM WARNING IN EFFECT FROM 8 AM SATURDAY TO 1 AM AKST
SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations of up to 5
  to 8 inches. Winds gusting as high as 55 mph. Falling and/or
  blowing snow may reduce visibilities down to a quarter mile at
  times. 

* WHERE...Kodiak City and surrounding communities.

* WHEN...From 8 AM Saturday to 1 AM AKST Sunday.

* IMPACTS...Plan on slippery road conditions. High snow rates 
  and/or areas of blowing snow could significantly reduce 
  visibility one quarter to one half mile at times.

* ADDITIONAL DETAILS...Snow is expected to begin over Kodiak
  Island Saturday morning. A brief period of above freezing
  temperatures during the day on Saturday may lead to a transition
  from snow to a rain/snow mix before switching back to all snow.
  Winds are predicted between 40 to 45 mph with gusts as high as
  55 mph. Anticipate falling and blowing snow to reduce
  visibilities one quarter to one half mile at times.
  
 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.

&&

$$

AKZ131-201500-
/O.NEW.PAFC.WW.Y.0051.211121T1200Z-211122T1400Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
403 PM AKST Fri Nov 19 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM SUNDAY TO 5 AM
AKST MONDAY FOR THOMPSON PASS...

* WHAT...Snow expected. Total snow accumulations of 9 to 11
  inches. Winds gusting as high as 55 mph. Visibility reductions
  to one half mile. 

* WHERE...Thompson Pass.

* WHEN...From 3 AM Sunday to 5 AM AKST Monday.

* IMPACTS...Plan on slippery road conditions. Areas of blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 30 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.

* ADDITIONAL DETAILS...Snow is expected to begin late Saturday
  night and persist through early Monday morning. Snow is expected
  to be fine, powdery, and easily transportable. Falling and 
  blowing snow may reduce visibilities to one half mile at times. 
  Visibilities may worsen in the wake of other vehicles. Road 
  conditions will be slippery, use caution when driving.
  

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
2 follow-up statements
827 
WWAK41 PAFC 201305
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
405 AM AKST Sat Nov 20 2021

AKZ131-210200-
/O.UPG.PAFC.WW.Y.0051.211121T1200Z-211122T1400Z/
/O.NEW.PAFC.BZ.W.0015.211121T1200Z-211122T1400Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
405 AM AKST Sat Nov 20 2021

...BLIZZARD WARNING IN EFFECT FROM 3 AM SUNDAY TO 5 AM AKST
MONDAY FOR THOMPSON PASS...

* WHAT...Blizzard conditions expected. Total snow accumulations of
  4 to 8 inches. Winds gusting as high as 55 mph. Reduced
  visibilities as low as one quarter mile at times.

* WHERE...Northeast Prince William Sound.

* WHEN...From 3 AM Sunday to 5 AM AKST Monday.

* IMPACTS...Plan on slippery road conditions. Widespread blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 30 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.

* ADDITIONAL DETAILS...Snow is expected to begin early Sunday
  morning and persist through early Monday morning. Snow is
  expected to be fine, powdery, and easily transportable. Falling
  and blowing snow may reduce visibilities as low as one quarter
  mile at times. Visibilities may worsen in the wake of other 
  vehicles. Road conditions will be slippery, use caution when 
  driving.

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.

&&

$$

AKZ171-210200-
/O.CON.PAFC.WS.W.0003.211120T1700Z-211121T1000Z/
Kodiak Island-
Including the city of Kodiak City
405 AM AKST Sat Nov 20 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 1 AM AKST SUNDAY...

* WHAT...Snow and blowing snow expected. Total snow accumulations
  of 2 to 6 inches with locally higher amounts west of Kodiak 
  City. Winds gusting as high as 55 mph. Falling and/or blowing 
  snow may reduce visibilities as low as one half mile at times.

* WHERE...Kodiak City and surrounding communities.

* WHEN...From 8 AM Saturday to 1 AM AKST Sunday.

* IMPACTS...Plan on slippery road conditions. High snow rates
  and/or areas of blowing snow could significantly reduce
  visibility to one half mile at times.

* ADDITIONAL DETAILS...Snow is expected to begin over Kodiak
  Island Saturday morning. A brief period of above freezing
  temperatures during the day on Saturday may lead to a transition
  from snow to a rain/snow mix before switching back to all snow.
  Winds are predicted between 40 to 45 mph with gusts as high as
  55 mph. Anticipate falling and blowing snow to reduce
  visibilities to one half mile at times.

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.

&&

$$

http://www.weather.gov/afc
070 
WWAK41 PAFC 202114
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
1214 PM AKST Sat Nov 20 2021

AKZ171-202215-
/O.CAN.PAFC.WS.W.0003.000000T0000Z-211121T1000Z/
Kodiak Island-
Including the city of Kodiak City
1214 PM AKST Sat Nov 20 2021

...WINTER STORM WARNING IS CANCELLED...

The low in the Gulf has tracked about 100 miles farther east than
anticipated which will keep the winter storm conditions east of
Kodiak Island. Strong winds will persist through this evening and
there should be periods of snow through this evening as well.
However, with temperatures warming into the mid 30s there will be
little to no snow accumulation at sea level. Areas above 500 ft
elevation on the east side of Kodiak and Afognak Islands will
still see some snow accumulation.

$$

AKZ131-211330-
/O.CON.PAFC.BZ.W.0015.211121T1200Z-211122T1400Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
1214 PM AKST Sat Nov 20 2021

...BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 5 AM
AKST MONDAY...

* WHAT...Blizzard conditions expected. Total snow accumulations 
  of 4 to 8 inches. Winds gusting as high as 55 mph. Reduced 
  visibilities as low as one quarter mile at times.

* WHERE...Northeast Prince William Sound.

* WHEN...From 3 AM Sunday to 5 AM AKST Monday.

* IMPACTS...Plan on slippery road conditions. Widespread blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 30 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.

* ADDITIONAL DETAILS...Snow is expected to begin early Sunday 
  morning and persist through early Monday morning. Snow is 
  expected to be fine, powdery, and easily transportable. 
  Falling and blowing snow may reduce visibilities as low as one 
  quarter mile at times. Visibilities may worsen in the wake of 
  other vehicles. Road conditions will be slippery, use caution 
  when driving.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 19, 3:57 PM AKSTStorm WarningAFC12 hr
Nov 19, 3:57 PM AKSTHeavy Freezing Spray WarningAFC12 hr
Nov 19, 4:03 PM AKSTWinter Weather AdvisoryAFC12 hr
Nov 20, 3:05 AM AKSTSmall Craft AdvisoryAFC8 days
Nov 20, 3:05 AM AKSTHeavy Freezing Spray WarningAFC61 hr
Nov 20, 3:57 AM AKSTGale WarningAFC24 hr
Nov 20, 3:57 AM AKSTSmall Craft AdvisoryAFC48 hr
Nov 20, 4:05 AM AKSTBlizzard WarningAFC38 hr

Nearby

Winter Storm Warnings in Alaska, 2021Every winter storm 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.