Alert archive / Alaska / Wind Chill Advisories in 2012

Wind Chill Advisory 63, NWS Fairbanks, AK

December 20, 2012

NWS Fairbanks, AK issued this wind chill advisory at Dec 20, 2012, 6:10 PM AKST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 20, 2012, 6:10 PM AKST (03:10 UTC)
Expired
Dec 21, 2012, 4:25 AM AKST
In force
10 hr
Issued by
NWS Fairbanks, AK

The text

As transmitted, in the capitals the NWS used until 2016.

408 
WWAK42 PAFG 210310
WSWWCZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
610 PM AKST THU DEC 20 2012

AKZ209-211115-
/X.EXP.PAFG.WC.Y.0061.000000T0000Z-121221T0300Z/
/X.NEW.PAFG.WC.Y.0063.121221T0310Z-121221T1500Z/
BALDWIN PENINSULA AND SELAWIK VALLEY-
INCLUDING...KOTZEBUE...SELAWIK...NOORVIK
610 PM AKST THU DEC 20 2012

...WIND CHILL ADVISORY IN EFFECT UNTIL 6 AM AKST FRIDAY...
...WIND CHILL ADVISORY HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM AKST FRIDAY. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 



* WIND CHILL VALUES...TO 50 BELOW.

* TIMING...CONDITIONS WILL BEGIN TO IMPROVE IN THE AFTERNOON AS 
  WARMER AIR MOVES INTO THE AREA. 

* IMPACTS...EXPOSED FLESH CAN FREEZE IN A SHORT TIME RESULTING 
  IN FROSTBITE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT LOW WIND CHILLS WITH SUSTAINED
WIND SPEEDS OF 15 MPH OR MORE ARE OCCURRING OR EXPECTED. IF
OUTDOORS...COVER EXPOSED SKIN TO PREVENT FROSTBITE.

&&

$$
2 follow-up statements
066 
WWAK42 PAFG 210313
WSWWCZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
613 PM AKST THU DEC 20 2012

AKZ209-211500-
/X.CON.PAFG.WC.Y.0063.000000T0000Z-121221T1500Z/
BALDWIN PENINSULA AND SELAWIK VALLEY-
INCLUDING...KOTZEBUE...SELAWIK...NOORVIK
613 PM AKST THU DEC 20 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST FRIDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST FRIDAY. 

* WIND CHILL VALUES...TO 45 BELOW.

* TIMING...WIND CHILL WILL BEGIN TO MODERATE LATER TONIGHT AS
  TEMPERATURES RISE.

* IMPACTS...EXPOSED FLESH CAN FREEZE IN A SHORT TIME RESULTING 
  IN FROSTBITE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT LOW WIND CHILLS WITH SUSTAINED
WIND SPEEDS OF 15 MPH OR MORE ARE OCCURRING OR EXPECTED. IF
OUTDOORS...COVER EXPOSED SKIN TO PREVENT FROSTBITE.

&&

$$
656 
WWAK42 PAFG 211325
WSWWCZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
425 AM AKST FRI DEC 21 2012

AKZ209-211430-
/X.CAN.PAFG.WC.Y.0063.000000T0000Z-121221T1500Z/
BALDWIN PENINSULA AND SELAWIK VALLEY-
INCLUDING...KOTZEBUE...SELAWIK...NOORVIK
425 AM AKST FRI DEC 21 2012

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS CANCELLED THE WIND
CHILL ADVISORY. 

$$

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Fairbanks, AK wrote its last area forecast discussion before this wind chill advisory went out at Dec 20, 3:06 PM AKST, 3 hours 4 minutes earlier.

Area forecast discussion, Dec 20, 3:06 PM AKST, 3 hours 4 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
306 PM AKST THU DEC 20 2012

.DISCUSSION...
MODELS IN DECENT AGREEMENT THROUGH ABOUT 60 HOURS. UPPER LEVEL
TROUGH EXITING THE STATE TO THE EAST WHILE THE UPPER LEVEL RIDGE
PUSHES EAST OVER THE WESTERN HALF OF THE STATE. THE WARM AIR PUSH
STARTS TONIGHT AND CONTINUES OVER THE WESTERN PORTION OF THE
STATE. THE RIDGE AXIS SHRINKS AND COMPRESSES ON SAT AS AN UPPER
LEVEL LOW SLIDES DOWN THE ALCAN BORDER AND THEN MOVES WEST AND
UNDERCUTS THE UPPER HIGH.

THE UPPER LOW WILL MOVE WEST TO NEAR GALENA BY LATE SUN NIGHT.
THIS WILL PICK UP GULF OF ALASKA AIR AND MOVE IT NORTH AND BRING
THE TEMPERATURES UP SLIGHTLY OVER THE CENTRAL INTERIOR MON AND
TUE. A DEEP LOW WILL MOVE INTO THE BERING SEA BY TUE AND THE
FRONTAL PRECIP BAND WILL HIT THE WEST COAST BY TUE EVENING. IF
THIS HOLDS TRUE THEN A GOOD WARM UP FOR NORTHERN ALASKA WILL BE ON
TAP FOR THE MIDDLE PORTION OF NEXT WEEK. IT APPEARS THAT SOME OF
THE PRECIPITATION WILL MAKE IT THROUGH TO THE INTERIOR AT THIS POINT.

IN THE NEAR TERM...WIND CHILLS WILL BE AN ISSUE IN ZONE 226 IN THE
EASTERN ALASKA RANGE WHERE COLD AIR IS BOTTLED UP AND THE HIGH
PRESSURE IS GENERATING A DECENT GRADIENT IN THAT AREA. STRONG WIND
OVER A PORTION OF THE WEST COAST INCLUDING THE ST LAWRENCE ISLAND
AREA WILL BE IN EFFECT DUE TO THE BUILDING SURFACE HIGH AND THE
STRONG LOW IN EASTERN SIBERIA. THIS WILL PUSH SNOW INTO THE ST.
LAWRENCE ISLAND FRI. THE HIGH IN THE EASTERN INTERIOR WILL BEGIN
TO WEAKEN ON FRI.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY FOR AKZ209-AKZ226.

DENSE FOG ADVISORY FOR AKZ222.

GALE WARNING FOR PKZ210-PKZ225.

BRISK WIND ADVISORY FOR PKZ200-PKZ215-PKZ220.
&&

CF DEC 12

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 11:42 PM AKSTHigh Wind WarningAFG21 hr

Nearby

Wind Chill Advisories in Alaska, 2012Every wind chill advisory in 2012

Sources

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