Alert archive / Alaska / Wind Chill Advisories in 2012

Wind Chill Advisory 18, NWS Fairbanks, AK

January 21, 2012

NWS Fairbanks, AK issued this wind chill advisory at Jan 21, 2012, 11:38 AM AKST. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued
Jan 21, 2012, 11:38 AM AKST (20:38 UTC)
Expired
Jan 22, 2012, 3:30 PM AKST
In force
28 hr
Issued by
NWS Fairbanks, AK

The text

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

733 
WWAK41 PAFG 212038
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
1138 AM AKST SAT JAN 21 2012

AKZ206-220900-
/X.NEW.PAFG.WC.Y.0018.120121T2038Z-120122T1500Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
1138 AM AKST SAT JAN 21 2012

...WIND CHILL ADVISORY IN EFFECT UNTIL 6 AM AKST SUNDAY FOR ATIGUN PASS...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM AKST SUNDAY. 

* LOCATION...ATIGUN PASS.

* WIND CHILL VALUES...50 TO 55 BELOW.

* WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* TIMING...CONDITIONS WILL CONTINUE THROUGH SUNDAY MORNING.

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.

&&

$$
5 follow-up statements
136 
WWAK41 PAFG 220512
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
812 PM AKST SAT JAN 21 2012

AKZ206-221500-
/X.CON.PAFG.WC.Y.0018.000000T0000Z-120122T1500Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
812 PM AKST SAT JAN 21 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST SUNDAY 
IN PASSES...

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

* LOCATION...IN PASSES. 

* WIND CHILL VALUES...TO 55 BELOW.

* WINDS...NORTHEAST 15 TO 25 MPH.

* TIMING...THE HARSH WIND CHILLS WILL LIKELY CONTINUE THROUGH
  SUNDAY MORNING.

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.

&&

$$
328 
WWAK41 PAFG 221431
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
531 AM AKST SUN JAN 22 2012

AKZ206-222245-
/X.EXT.PAFG.WC.Y.0018.000000T0000Z-120123T0300Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
531 AM AKST SUN JAN 22 2012

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

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

* LOCATION...IN PASSES.

* WIND CHILL VALUES...TO 55 BELOW.

* WINDS...NORTHEAST 15 TO 25 MPH.

* TIMING...THE HARSH WIND CHILLS WILL LIKELY CONTINUE THROUGH 
  SUNDAY AFTERNOON. 

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.

&&

$$
782 
WWAK41 PAFG 221551
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
651 AM AKST SUN JAN 22 2012

AKZ206-230000-
/X.CON.PAFG.WC.Y.0018.000000T0000Z-120123T0300Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
651 AM AKST SUN JAN 22 2012

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

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

* LOCATION...IN PASSES.

* WIND CHILL VALUES...TO 55 BELOW.

* WINDS...NORTHEAST 15 TO 25 MPH.

* TIMING...THE HARSH WIND CHILLS WILL LIKELY CONTINUE THROUGH 
  SUNDAY AFTERNOON. 

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.

&&

$$
755 
WWAK41 PAFG 222351
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
251 PM AKST SUN JAN 22 2012

AKZ206-230800-
/X.EXT.PAFG.WC.Y.0018.000000T0000Z-120123T1500Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
251 PM AKST SUN JAN 22 2012

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 6 AM AKST MONDAY IN
PASSES...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 6 AM AKST MONDAY. 

* LOCATION...IN PASSES.

* WIND CHILL VALUES...TO 55 BELOW.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH PASSES.

* TIMING...THROUGH SUNDAY NIGHT.

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.

&&

$$
371 
WWAK41 PAFG 230030
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
330 PM AKST SUN JAN 22 2012

AKZ206-231500-
/X.CAN.PAFG.WC.Y.0018.000000T0000Z-120123T1500Z/
/X.NEW.PAFG.WS.W.0002.120123T0030Z-120124T0300Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
330 PM AKST SUN JAN 22 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM AKST MONDAY...
...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A WINTER
STORM WARNING FOR BLOWING SNOW AND DANGEROUS WIND CHILLS...WHICH
IS IN EFFECT UNTIL 6 PM AKST MONDAY. THE WIND CHILL ADVISORY HAS
BEEN CANCELLED.


* LOCATION...IN PASSES.

* BLOWING SNOW...REDUCING THE VISIBILITY TO LESS THAN ONE HALF
  MILE WITH LOCAL WHITE-OUT CONDITIONS.

* DRIFTING SNOW...LARGE DRIFTS OF SNOW ARE EXPECTED THAT MAY MAKE
  TRAVEL NEARLY IMPOSSIBLE. 

* WIND CHILL VALUES...TO 75 BELOW.

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH 
  PASSES.

* TIMING...THROUGH MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS ONE OR MORE SIGNIFICANT WINTER
WEATHER HAZARDS ARE OCCURRING OR EXPECTED.

&&

$$

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 Jan 21, 3:15 AM AKST, 8 hours 23 minutes earlier.

Area forecast discussion, Jan 21, 3:15 AM AKST, 8 hours 23 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
315 AM AKST SAT JAN 21 2012

.DISCUSSION...
MODELS IN DECENT AGREEMENT THROUGH 60 HOURS. HIGH IN FAR EAST
RUSSIA WILL WEAKEN AND THE AXIS WILL MOVE SLIGHTLY WESTWARD.
TROUGH EXTENDS WEST AND SOUTHWARD TO THE GULF OF ALASKA AND WILL
CONTINUE TO POUR MUCH COLDER AIR INTO MAINLAND ALASKA WITH TROUGH
TO SET UP AND MAINTAIN THE PRESENCE OVER ALASKA THROUGH THE NEXT
WEEK.

AS LOW CONTINUE TO MOVE NORTHWARD IN THE GULF OF ALASKA AND HIGH
PUSHES SOUTHWARD OVER THE HIGH ARCTIC...THE PRESSURE GRADIENT WILL
CONTINUE TO INCREASE OVER NORTHERN ALASKA AS COLDER AIR POURS IN.
THIS WILL DEVELOP COLD WIND CHILLS OVER THE NORTHERN TIER OF
MAINLAND ALASKA. WINDS WILL GRADUALLY DIMINISH OVER THE ARCTIC
COAST BY LATER TONIGHT.

SHORT WAVE OVER NORTHEASTERN INTERIOR IS SPREADING SOME CLOUDS AND
FLURRIES OVER THE EASTERN PORTION OF THE STATE WHILE THE CLOUDS
QUICKLY DECREASE.

A STRONG UPPER HIGH IN EASTERN RUSSIA WHICH WEAKENS AND DRIFTS
INTO THE WESTERN BERING SEA IN THE SHORT TERM ALLOWS A COLD LOW TO
PLUNGE SOUTHWEST OUT OF THE CANADIAN ARCTIC AND INTO THE GULF OF
ALASKA AT THE START OF THE MEDIUM RANGE EARLY NEXT WEEK.
THE MEDIUM RANGE WILL START WITH A VERY COLD AIR MASS ACROSS
NORTHERN AK.  IT LOOKS LIKE THE COLD AIR MASS WILL REMAIN IN
PLACE NEXT WEEK.  BOTH THE GFS AND ECMWF HAVE 850 MB TEMPS
OF -20C OR COLDER ACROSS ALL OF NORTHERN AK AND AS COLD AS -35C
IN THE BROOKS RANGE. THIS WILL MEAN CONTINUED BELOW TO WELL
BELOW AVERAGE TEMPS ALL WEEK.  THE NCEP RMOPS SHOW SOME WEAKENING
OF THE LOW WITH SLIGHTLY HIGHER HEIGHTS AND MORE ZONAL FLOW
ACROSS THE AREA BY NEXT WEEKEND. THE OPERATIONAL MODELS ARE NOT SO
CONVINCED. GIVEN THE STRONG BLOCKING NATURE OF THE PATTERN WOULD
SIDE WITH THE IDEA THAT THE COLD AIR HANGS IN PLACE ACROSS THE
INTERIOR AT LEAST INTO THE LAST WEEKEND OF JANUARY. A BETTER
CHANCE OF SOME MODERATION OF THE AIR MASS ACROSS SOUTHWEST AK BY
NEXT WEEKEND.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY FOR AKZ207-AKZ208-AKZ217-AKZ218.

GALE WARNING FOR PKZ210.

BRISK WIND ADVISORY FOR PKZ200-PKZ210-PKZ220-PKZ240-PKZ245.
&&

CF JAN 12

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 2:42 AM AKSTBrisk Wind AdvisoryAFG10 hr
Jan 21, 2:43 AM AKSTBrisk Wind AdvisoryAFG35 hr
Jan 21, 9:21 AM AKSTGale WarningAFG17 hr
Jan 21, 2:32 PM AKSTWinter Weather AdvisoryAFG43 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.