Alert archive / Alaska / Blizzard Warnings in 2020

Blizzard Warning 18, NWS Anchorage, AK

December 6, 2020

NWS Anchorage, AK issued this blizzard warning at Dec 6, 2020, 3:56 PM AKST. It took effect at Dec 7, 2020, 12:00 PM AKST. It was in force for 17 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 6, 2020, 3:56 PM AKST (00:56 UTC)
In effect from
Dec 7, 2020, 12:00 PM AKST
Expired
Dec 8, 2020, 5:00 AM AKST
In force
17 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

356 
WWAK42 PAFC 070056
WSWALU

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
356 PM AKST Sun Dec 6 2020

AKZ155-071400-
/O.UPG.PAFC.WW.Y.0042.201207T2100Z-201208T1400Z/
/O.NEW.PAFC.BZ.W.0018.201207T2100Z-201208T1400Z/
Kuskokwim Delta-
Including the cities of Bethel, Hooper Bay, and Nunivak Island
356 PM AKST Sun Dec 6 2020

...BLIZZARD WARNING IN EFFECT FROM NOON MONDAY TO 5 AM AKST
TUESDAY FOR COASTAL AREAS OF THE KUSKOKWIM DELTA...

* WHAT...Blizzard conditions expected along the coast. Snow and
  blowing snow will reduce visibility to one quarter mile at 
  times. Total snow accumulations up to 5 inches. Northerly winds 
  25 to 35 mph gusting as high as 40 mph.

* WHERE...Quinhagak to Kipnuk.

* WHEN...From noon Monday to 5 AM AKST Tuesday.

* IMPACTS...Areas of blowing snow will reduce visibility below 
  one quarter mile. Hazardous travel conditions are likely. 

* ADDITIONAL DETAILS...Hazardous conditions remain likely in the
  interior with snow accumulations up to 5 inches and reduced
  visibilities down to one half mile 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. 


&&

$$

AKZ181-071400-
/O.NEW.PAFC.WW.Y.0043.201208T0600Z-201209T0000Z/
Alaska Peninsula-
Including the cities of Cold Bay and Sand Point
356 PM AKST Sun Dec 6 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM MONDAY TO 3 PM
AKST TUESDAY FOR THE ALASKA PENINSULA...

* WHAT...Blowing snow expected. Northwest winds 25 to 30 mph 
  combined with snow will reduce visibility below one half mile at
  times. Total snow accumulations up to 5 inches.
 
* WHERE...Alaska Peninsula west of Nelson Lagoon.

* WHEN...From 9 PM Monday to 3 PM AKST Tuesday.

* IMPACTS...Areas of blowing snow will significantly reduce 
  visibility. Hazardous travel conditions are likely.

* ADDITIONAL DETAILS...Strong gusty winds up to 35 mph out of the
  northwest combined with snow will limit visibility to one half 
  mile or less at times. Strongest winds expected through mountain
  passes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

http://www.weather.gov/afc
3 follow-up statements
127 
WWAK42 PAFC 071219
WSWALU

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
319 AM AKST Mon Dec 7 2020

AKZ155-080300-
/O.CON.PAFC.BZ.W.0018.201207T2100Z-201208T1400Z/
Kuskokwim Delta-
Including the cities of Bethel, Hooper Bay, and Nunivak Island
319 AM AKST Mon Dec 7 2020

...BLIZZARD WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 AM
AKST TUESDAY FOR COASTAL AREAS OF THE KUSKOKWIM DELTA...

* WHAT...Blizzard conditions expected along the coast. Snow and 
  blowing snow will reduce visibility to one quarter mile at 
  times. Total snow accumulations up to 5 inches. Northerly 
  winds 25 to 35 mph gusting as high as 40 mph.

* WHERE...Quinhagak to Kipnuk.

* WHEN...From noon Monday to 5 AM AKST Tuesday.

* IMPACTS...Areas of blowing snow will reduce visibility below 
  one quarter mile. Hazardous travel conditions are likely.

* ADDITIONAL DETAILS...Hazardous conditions remain likely in the 
  interior with snow accumulations up to 5 inches and reduced 
  visibilities down to one half mile 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.

&&

$$

AKZ181-080300-
/O.CON.PAFC.WW.Y.0043.201208T0600Z-201209T0000Z/
Alaska Peninsula-
Including the cities of Cold Bay and Sand Point
319 AM AKST Mon Dec 7 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 3 PM AKST TUESDAY FOR THE ALASKA PENINSULA...

* WHAT...Blowing snow expected. Northwest winds 25 to 30 mph 
  combined with snow will reduce visibility below one half mile 
  at times. Total snow accumulations up to 5 inches.

* WHERE...Alaska Peninsula west of Nelson Lagoon.

* WHEN...From 9 PM Monday to 3 PM AKST Tuesday.

* IMPACTS...Areas of blowing snow will significantly reduce 
  visibility. Hazardous travel conditions are likely.

* ADDITIONAL DETAILS...Strong gusty winds up to 35 mph out of 
  the northwest combined with snow will limit visibility to one 
  half mile or less at times. Strongest winds expected through 
  mountain passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

http://www.weather.gov/afc
750 
WWAK42 PAFC 080116
WSWALU

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
416 PM AKST Mon Dec 7 2020

AKZ155-081400-
/O.CON.PAFC.BZ.W.0018.000000T0000Z-201208T1400Z/
Kuskokwim Delta-
Including the cities of Bethel, Hooper Bay, and Nunivak Island
416 PM AKST Mon Dec 7 2020

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 5 AM AKST TUESDAY FOR
COASTAL AREAS OF THE KUSKOKWIM DELTA...

* WHAT...Blizzard conditions will continue along the coast. Snow
  and blowing snow will reduce visibility to one quarter mile at
  times. Total snow accumulations up to 6 inches expected. 
  Northerly winds 25 to 35 mph gusting as high as 40 mph.

* WHERE...Quinhagak to Toksook Bay.

* WHEN...Until 5 AM AKST Tuesday.

* IMPACTS...Areas of blowing snow will reduce visibility below 
  one quarter mile. Hazardous travel conditions are likely.

* ADDITIONAL DETAILS...Hazardous conditions remain likely in the
  interior with snow accumulations up to 5 inches and reduced 
  visibilities down to one half mile 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. 

&&

$$

AKZ181-081430-
/O.CON.PAFC.WW.Y.0043.201208T0600Z-201209T0000Z/
Alaska Peninsula-
Including the cities of Cold Bay and Sand Point
416 PM AKST Mon Dec 7 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 3 PM AKST TUESDAY WEST OF NELSON LAGOON...

* WHAT...Blowing snow expected. Northwest winds 25 to 30 mph 
  combined with snow will reduce visibility below one half mile 
  at times. Total snow accumulations up to 5 inches.

* WHERE...Alaska Peninsula west of Nelson Lagoon.

* WHEN...From 9 PM this evening to 3 PM AKST Tuesday.

* IMPACTS...Areas of blowing snow will significantly reduce 
  visibility. Hazardous travel conditions are likely.

* ADDITIONAL DETAILS...Strong gusty winds up to 35 mph expected. 
  Strongest winds expected through mountain passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

http://www.weather.gov/afc
019 
WWAK42 PAFC 081405
WSWALU

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
505 AM AKST Tue Dec 8 2020

AKZ155-081515-
/O.EXP.PAFC.BZ.W.0018.000000T0000Z-201208T1400Z/
Kuskokwim Delta-
Including the cities of Bethel, Hooper Bay, and Nunivak Island
505 AM AKST Tue Dec 8 2020

...BLIZZARD WARNING HAS EXPIRED...

Snow across the Kuskokwim Delta will continue through the morning
hours before tapering this afternoon. Gusty northerly winds will 
continue through the evening hours, however visibility is 
expected to remain above one half mile.

$$

AKZ181-090000-
/O.CON.PAFC.WW.Y.0043.000000T0000Z-201209T0000Z/
Alaska Peninsula-
Including the cities of Cold Bay and Sand Point
505 AM AKST Tue Dec 8 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM AKST THIS
AFTERNOON WEST OF NELSON LAGOON...

* WHAT...Blowing snow expected. Northwest winds 25 to 30 mph 
  combined with snow will reduce visibility below one half mile 
  at times. Total snow accumulations up to 5 inches.

* WHERE...Alaska Peninsula west of Nelson Lagoon.

* WHEN...Until 3 PM AKST Tuesday.

* IMPACTS...Areas of blowing snow will significantly reduce 
  visibility. Hazardous travel conditions are likely.

* ADDITIONAL DETAILS...Strong gusty winds up to 35 mph expected. 
  Strongest winds expected through mountain passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

http://www.weather.gov/afc

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 6, 3:02 PM AKSTGale WarningAFC13 hr
Dec 6, 3:02 PM AKSTSmall Craft AdvisoryAFC5 days
Dec 6, 3:03 PM AKSTGale WarningAFC24 hr
Dec 6, 3:50 PM AKSTGale WarningAFC5 days
Dec 6, 3:50 PM AKSTSmall Craft AdvisoryAFC3 days
Dec 6, 3:56 PM AKSTWinter Weather AdvisoryAFC44 hr
Dec 7, 3:17 AM AKSTGale WarningAFC13 hr
Dec 7, 3:17 AM AKSTSmall Craft AdvisoryAFC37 hr
Dec 7, 3:50 AM AKSTSmall Craft AdvisoryAFC71 hr

Nearby

Blizzard Warnings in Alaska, 2020Every blizzard warning in 2020

Sources

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