Alert archive / Alaska / Blizzard Warnings in 2017

Blizzard Warning 7, NWS Anchorage, AK

December 30, 2017

NWS Anchorage, AK issued this blizzard warning at Dec 30, 2017, 3:20 PM AKST. It took effect at Dec 30, 2017, 9:00 PM AKST. It was in force for 21 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 30, 2017, 3:20 PM AKST (00:20 UTC)
In effect from
Dec 30, 2017, 9:00 PM AKST
Expired
Dec 31, 2017, 6:00 PM AKST
In force
21 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

207 
WWAK41 PAFC 310020
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
320 PM AKST Sat Dec 30 2017

AKZ125-311515-
/O.UPG.PAFC.WS.A.0005.171231T0600Z-180101T0300Z/
/O.NEW.PAFC.BZ.W.0007.171231T0600Z-180101T0300Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, Girdwood, 
and Moose Pass
320 PM AKST Sat Dec 30 2017

...BLIZZARD WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 PM AKST
SUNDAY FOR PORTAGE VALLEY TO TURNAGAIN PASS...

* WHAT...Blizzard conditions expected. Travel will be very
  dangerous to impossible. Total snow accumulations of 8 to 12 
  inches, with localized amounts up to 20 inches, are expected.

* WHERE...Portage Valley to Turnagain Pass.

* WHEN...9 PM today to 6 PM Sunday.

* ADDITIONAL DETAILS...Winds gusting as high as 60 mph will cause
  whiteout conditions in blowing snow. Significant drifting of the
  snow is likely. Visibilities will be reduced to a quarter mile
  or less 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 extremely hazardous. Do not travel. 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
2 follow-up statements
600 
WWAK41 PAFC 311305
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
405 AM AKST Sun Dec 31 2017

AKZ125-010215-
/O.CON.PAFC.BZ.W.0007.000000T0000Z-180101T0300Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, Girdwood, 
and Moose Pass
405 AM AKST Sun Dec 31 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS
EVENING...

* WHAT...Blizzard conditions are occurring. Travel will be very
  dangerous to impossible. Storm total snow accumulations of 8 to
  12 inches, with localized amounts up to 20 inches, are 
  expected.

* WHERE...Portage Valley to Turnagain Pass. Whittier will briefly
  experience blizzard conditions early this morning before snow 
  mixes with rain.

* WHEN...9 PM today to 6 PM today.

* ADDITIONAL DETAILS...Winds gusting 35 to 60 mph will cause 
  whiteout conditions in blowing snow. Significant drifting of the
  snow is likely. Visibilities will be reduced to a quarter mile 
  or less 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 extremely hazardous. Do not travel. 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
411 
WWAK41 PAFC 010302
WSWAER

URGENT - WINTER WEATHER MESSAGE
National Weather Service Anchorage AK
602 PM AKST Sun Dec 31 2017

AKZ125-010415-
/O.EXP.PAFC.BZ.W.0007.000000T0000Z-180101T0300Z/
Western Prince William Sound-
Including the cities of Whittier, Seward, Girdwood, 
and Moose Pass
602 PM AKST Sun Dec 31 2017

...BLIZZARD WARNING HAS EXPIRED...

Visibility will continue to improve as winds slowly diminish and
snowfall becomes less intense. 

$$

http://www.weather.gov/afc

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 3:00 PM AKSTGale WarningAFC26 hr
Dec 30, 3:14 PM AKSTGale WarningAFC26 hr
Dec 30, 3:14 PM AKSTSmall Craft AdvisoryAFC13 hr
Dec 30, 3:18 PM AKSTGale WarningAFC25 hr
Dec 30, 3:18 PM AKSTSmall Craft AdvisoryAFC25 hr
Dec 31, 3:45 AM AKSTGale WarningAFC13 hr
Dec 31, 3:45 AM AKSTStorm WarningAFC13 hr
Dec 31, 3:56 AM AKSTGale WarningAFC13 hr
Dec 31, 3:56 AM AKSTSmall Craft AdvisoryAFC13 hr

Nearby

Blizzard Warnings in Alaska, 2017Every blizzard warning in 2017

Sources

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