Alert archive / Alaska / Blizzard Warnings in 2021

Blizzard Warning 2, NWS Anchorage, AK

January 13, 2021

NWS Anchorage, AK issued this blizzard warning at Jan 13, 2021, 10:24 AM AKST. It took effect at Jan 14, 2021, 9:00 PM AKST. It was in force for 7 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
Jan 13, 2021, 10:24 AM AKST (19:24 UTC)
In effect from
Jan 14, 2021, 9:00 PM AKST
Expired
Jan 15, 2021, 4:08 AM AKST
In force
7 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

809 
WWAK41 PAFC 131924
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
1024 AM AKST Wed Jan 13 2021

AKZ131-141500-
/O.UPG.PAFC.WS.A.0001.210114T1800Z-210115T1500Z/
/O.NEW.PAFC.BZ.W.0002.210114T1800Z-210115T1500Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
1024 AM AKST Wed Jan 13 2021

...BLIZZARD WARNING IN EFFECT FROM 9 AM THURSDAY TO 6 AM AKST
FRIDAY THROUGH THOMPSON PASS...

* WHAT...Blizzard conditions expected. Total snow accumulations of
  5 to 10 inches. Winds gusting as high as 55 mph.

* WHERE...Thompson Pass.

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

* IMPACTS...Plan on slippery road conditions. Widespread blowing
  snow will reduce visibility to one quarter mile or less at 
  times.

* ADDITIONAL DETAILS...Northeast winds will start to increase
  markedly Thursday morning. Any transportable snow could be
  easily moved around. Snow will begin to fall during the
  afternoon. The combination of these elements could lead to
  extremely poor visibilities.


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.

&&

$$

AKZ125-141500-
/O.UPG.PAFC.WS.A.0001.210114T1800Z-210115T0200Z/
/O.NEW.PAFC.WW.Y.0003.210114T1500Z-210115T0300Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, Girdwood, 
and Moose Pass
1024 AM AKST Wed Jan 13 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 6 PM AKST
THURSDAY THROUGH PORTAGE VALLEY AND TURNAGAIN PASS...

* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches
  with up to 15 inches through Turnagain Pass. Winds gusting as 
  high as 45 mph.

* WHERE...Western Prince William Sound.

* WHEN...From 6 AM to 6 PM AKST Thursday.

* IMPACTS...Plan on slippery road conditions. Areas of blowing
  snow will reduce visibility to one half mile or less at times. 
  The hazardous conditions could impact the morning or evening 
  commute.

* ADDITIONAL DETAILS...Winds will start to increase early Thursday
  morning as snowfall rates increase. Temperatures will warm 
  slowly above freezing during the afternoon. While this is 
  expected to limit the blowing snow potential in Portage Valley, 
  heavy snow and gusty winds will continue for higher elevations 
  through Thursday 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
4 follow-up statements
101 
WWAK41 PAFC 141356
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
456 AM AKST Thu Jan 14 2021

AKZ131-150300-
/O.EXT.PAFC.BZ.W.0002.210115T0300Z-210115T1200Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
456 AM AKST Thu Jan 14 2021

...BLIZZARD WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO 3 AM
AKST FRIDAY THROUGH THOMPSON PASS...

* WHAT...Blizzard conditions expected. Total snow accumulations 
  of 5 to 10 inches. Winds gusting as high as 55 mph.

* WHERE...Thompson Pass.

* WHEN...From 6 PM this evening to 3 AM AKST Friday.

* IMPACTS...Plan on slippery road conditions. Widespread blowing 
  snow will reduce visibility to one quarter mile or less at 
  times.

* ADDITIONAL DETAILS...Northeast winds will start to increase this
  morning. Limited transportable snow could be easily moved 
  around. Snow will begin to fall during the late afternoon. The 
  combination of these elements could lead to extremely poor 
  visibilities.

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.

&&

$$

AKZ125-150300-
/O.CON.PAFC.WW.Y.0003.210114T1500Z-210115T0300Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, Girdwood, 
and Moose Pass
456 AM AKST Thu Jan 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM AKST THIS
EVENING THROUGH PORTAGE VALLEY AND TURNAGAIN PASS...

* WHAT...Blowing snow expected. Visibility as low as one half mile
  at times. Total snow accumulations of 3 to 6 inches with up to 
  15 inches through Turnagain Pass. Winds gusting as high as 45 
  mph. 

* WHERE...Western Prince William Sound.

* WHEN...From 6 AM to 6 PM AKST Thursday.

* IMPACTS...Plan on slippery road conditions. Areas of blowing 
  snow will reduce visibility to one half mile or less at times. 
  The hazardous conditions could impact the morning or evening 
  commute.

* ADDITIONAL DETAILS...Winds and snowfall rates are expected to
  increase through the day. Temperatures in the lowest elevations
  should remain at or just above freezing. While this is expected
  to limit the blowing snow potential in Portage Valley, heavy 
  snow and gusty winds will continue for higher elevations through
  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.

&&

$$

http://www.weather.gov/afc
064 
WWAK41 PAFC 150015
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
315 PM AKST Thu Jan 14 2021

AKZ131-151545-
/O.EXT.PAFC.BZ.W.0002.210115T0600Z-210115T1600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
315 PM AKST Thu Jan 14 2021

...BLIZZARD WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO 7 AM
AKST FRIDAY THROUGH THOMPSON PASS...

* WHAT...Blizzard conditions expected. Total snow accumulations of
  1 to 3 inches. Winds gusting as high as 45 mph.

* WHERE...Thompson Pass.

* WHEN...From 9 PM this evening to 7 AM AKST Friday.

* IMPACTS...Plan on slippery road conditions. Widespread blowing
  snow will reduce visibility to one quarter mile at times.

* ADDITIONAL DETAILS...Snow will initially be very light as it
  develops this evening, but will increase in intensity during the
  overnight hours through Friday morning. The worst conditions
  will likely be between 3am and 7am.

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.

&&

$$

AKZ125-150300-
/O.CON.PAFC.WW.Y.0003.000000T0000Z-210115T0300Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, Girdwood, 
and Moose Pass
315 PM AKST Thu Jan 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM AKST THIS
EVENING THROUGH TURNAGAIN PASS...

* WHAT...Blowing snow. Visibility as low as one half mile at
  times. 

* WHERE...Turnagain Pass.

* WHEN...Until 6 PM AKST this evening.

* IMPACTS...Plan on slippery road conditions. 

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
304 
WWAK41 PAFC 150334
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
634 PM AKST Thu Jan 14 2021

AKZ131-151600-
/O.CON.PAFC.BZ.W.0002.210115T0600Z-210115T1600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
634 PM AKST Thu Jan 14 2021

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 AM AKST FRIDAY
THROUGH THOMPSON PASS...

* WHAT...Blizzard conditions expected. Total snow accumulations 
  of 1 to 3 inches. Winds gusting as high as 45 mph.

* WHERE...Thompson Pass.

* WHEN...From 9 PM this evening to 7 AM AKST Friday.

* IMPACTS...Plan on slippery road conditions. Widespread blowing 
  snow will reduce visibility to one quarter mile at times.

* ADDITIONAL DETAILS...Snow will initially be very light as it 
  develops this evening, but will increase in intensity during 
  the overnight hours through Friday morning. The worst 
  conditions will likely be between 3am and 7am.

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
204 
WWAK41 PAFC 151308
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
408 AM AKST Fri Jan 15 2021

AKZ131-151415-
/O.CAN.PAFC.BZ.W.0002.000000T0000Z-210115T1600Z/
Northeast Prince William Sound-
Including the cities of Valdez and Thompson Pass
408 AM AKST Fri Jan 15 2021

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

While snow and blowing snow are ongoing, the snow and blowing snow
are no longer expected to become severe enough to meet blizzard 
criteria. Caution should still be used when travelling through 
Thompson Pass through the morning.

$$

http://www.weather.gov/afc

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 12, 3:31 PM AKSTGale WarningAFC12 hr
Jan 12, 3:31 PM AKSTStorm WarningAFC48 hr
Jan 12, 3:38 PM AKSTGale WarningAFC12 hr
Jan 12, 3:59 PM AKSTGale WarningAFC12 hr
Jan 12, 3:59 PM AKSTSmall Craft AdvisoryAFC60 hr
Jan 13, 3:48 AM AKSTGale WarningAFC13 hr
Jan 13, 3:48 AM AKSTSmall Craft AdvisoryAFC13 hr
Jan 13, 3:48 AM AKSTStorm WarningAFC13 hr
Jan 13, 3:54 AM AKSTStorm WarningAFC35 hr
Jan 13, 3:56 AM AKSTGale WarningAFC3 days
Jan 13, 3:56 AM AKSTSmall Craft AdvisoryAFC4 days
Jan 13, 3:56 AM AKSTStorm WarningAFC3 days
Jan 13, 4:52 AM AKSTWinter Storm WatchAFC6 hr
Jan 13, 10:24 AM AKSTWinter Weather AdvisoryAFC32 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.