Alert archive / Alaska / Wind Chill Advisories in 2012

Wind Chill Advisory 61, NWS Fairbanks, AK

December 20, 2012

NWS Fairbanks, AK issued this wind chill advisory at Dec 20, 2012, 1:01 AM AKST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Dec 20, 2012, 1:01 AM AKST (10:01 UTC)
Expired
Dec 20, 2012, 6:00 PM AKST
In force
17 hr
Issued by
NWS Fairbanks, AK

The text

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

395 
WWAK42 PAFG 201001
WSWWCZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
101 AM AKST THU DEC 20 2012

AKZ209-210300-
/X.NEW.PAFG.WC.Y.0061.121220T1001Z-121221T0300Z/
BALDWIN PENINSULA AND SELAWIK VALLEY-
INCLUDING...KOTZEBUE...SELAWIK...NOORVIK
101 AM AKST THU DEC 20 2012

...WIND CHILL ADVISORY IN EFFECT UNTIL 6 PM AKST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM AKST THIS EVENING. 

* 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.

&&

$$
1 follow-up statement
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CHILL ADVISORY IS NO LONGER IN EFFECT.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.

&&

$$

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 19, 1:14 PM AKST, 11 hours 47 minutes earlier.

Area forecast discussion, Dec 19, 1:14 PM AKST, 11 hours 47 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
114 PM AKST WED DEC 19 2012

.DISCUSSION...
MODELS IN DECENT AGREEMENT THROUGH 60 HOURS. MODELS HAVE FLIPPED
HARD IN MEDIUM RANGE FROM 24 HOURS AGO. UPPER LEVEL TROUGH THROUGH
THE CENTRAL INTERIOR IS MOVING EAST AND WILL PUSH THROUGH THE ALCAN
BORDER BY THU EVENING AS THE TAIL END LAGS BEHIND A BIT. A RIDGE
OF HIGH PRESSURE WILL CONTINUE TO BUILD IN OVER THE WEST COAST AND
PUSH EASTWARD THROUGH THE WEEK.

THE UPPER LOW THAT IS ASSOCIATED WITH THE UPPER TROUGH THAT IS
PUSHING EAST ACROSS THE STATE WILL SLIDE DOWN THE WESTERN PART OF
CANADA AND CROSS OVER INTO ALASKA BY SAT MORNING AND THEN UNDERCUT
THE UPPER RIDGE AND TROUGH OUT IN AN EAST WEST DIRECTION. THE LOW
WILL EXPAND WEST AND ROTATE A COUPLE OF SHORT WAVES AROUND IT AND
DRAG THE COLD AIR IN SIBERIA AND BRING IT INTO THE INTERIOR. THIS
WILL KEEP THE COLD AIR FIRMLY ENTRENCHED FOR THE FORESEEABLE FUTURE.
VERY LITTLE PRECIP WILL BE FOUND ANYWHERE IN NORTHERN ALASKA
THROUGH THE NEXT WEEK.

WIND CHILL ISSUES OVER THE EASTERN ARCTIC WILL CONTINUE AS THE
RIDGE BUILDS OVER THE ARCTIC COAST.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY FOR AKZ203-AKZ204-AKZ225-AKZ226.

GALE WARNING FOR PKZ210.

BRISK WIND ADVISORY FOR PKZ220-PKZ225-PKZ245.
&&

CF DEC 12

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 3:27 AM AKSTBrisk Wind AdvisoryAFG60 hr
Dec 20, 3:28 AM AKSTGale WarningAFG48 hr
Dec 20, 5:16 AM AKSTDense Fog AdvisoryAFG39 hr
Dec 20, 12:12 PM AKSTWind Chill AdvisoryAFG5 days
Dec 20, 1:56 PM AKSTBrisk Wind AdvisoryAFG38 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.