Wind Chill Advisory 6, NWS Anchorage, AK

969 
WWAK42 PAFC 181338
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
438 AM AKST WED JAN 18 2012

AKZ155-182100-
/X.CON.PAFC.WC.Y.0006.000000T0000Z-120118T2100Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
438 AM AKST WED JAN 18 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON AKST TODAY. 

* WIND CHILL VALUES...30 BELOW TO 45 BELOW.

* WIND...NORTHEAST 20 TO 40 MPH WITH LOCAL GUSTS TO 60 MPH ALONG
  THE COAST.

* TIMING...THROUGH NOON TODAY.

* IMPACTS...INCREASED RISK OF HYPOTHERMIA AND FROSTBITE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.

&&

$$

269 
WWAK42 PAFC 181959
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
1059 AM AKST WED JAN 18 2012

AKZ155-190900-
/X.EXT.PAFC.WC.Y.0006.000000T0000Z-120119T2100Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
1059 AM AKST WED JAN 18 2012

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON AKST THURSDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL NOON AKST
THURSDAY. 

* WIND CHILL VALUES...30 BELOW TO 45 BELOW.

* WIND...NORTHEAST 20 TO 40 MPH WITH LOCAL GUSTS TO 60 MPH ALONG
  THE COAST. NORTHEAST WINDS DIMINISHING TO 15 TO 30 MPH TONIGHT.

* TIMING...THROUGH NOON THURSDAY.

* IMPACTS...INCREASED RISK OF HYPOTHERMIA AND FROSTBITE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.

&&

$$

908 
WWAK42 PAFC 191003
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
103 AM AKST THU JAN 19 2012


AKZ155-191115-
/X.CAN.PAFC.WC.Y.0006.000000T0000Z-120119T2100Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
103 AM AKST THU JAN 19 2012

...WIND CHILL ADVISORY IS CANCELLED...

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

WINDS HAVE DIMINISHED ACROSS THE AREA...ENDING THE THREAT OF COLD WIND
CHILLS.

$$

SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
200 PM AKST TUE JAN 17 2012

.MODEL DISCUSSION...MODELS ARE IN GENERALLY GOOD AGREEMENT ON
SYNOPTIC FEATURES THROUGH THE SHORT TERM. DIFFERENCES WHICH DO OCCUR
SHOULD ONLY RESULT IN MINOR SENSIBLE WEATHER ADJUSTMENTS.

.UPPER LEVELS...A LARGE BLOCKING HIGH WAS EVIDENT OVER THE EASTERN
BERING SEA THIS MORNING WITH STRONG NORTHERLY FLOW OVER THE MAINLAND
AND SOUTHERLY SLOW OVER THE WESTERN BERING SEA. THIS HIGH CENTER
MOVES TO NE RUSSIA WED AND THU AS AN EAST TO WEST TROUGH AXIS
DEVELOPS OVER THE GULF AND STRETCHES WEST TO SOUTH OF THE ALEUTIANS.
HEIGHTS WILL CONTINUE TO LOWER OVER THE MAINLAND THROUGH THE WEEKEND
AS A STRONG TROUGH DROPS SOUTH OUT OF THE BEAUFORT SEA AND SETS UP
RESIDENCE OVER THE MAINLAND AND WESTERN GULF LATE SUN. THIS WILL
USHER IN A CHANGE FROM A COLD AND DRY PATTERN TO WETTER AND A
SLIGHTLY WARMER IN THE EAST AND A LITTLE WETTER AND STILL COLD IN THE
WEST EARLY NEXT WEEK.

.SHORT TERM FORECAST...
MAINLAND...HIGH PRESSURE WILL CONTINUE GENERALLY COLD AND DRY
CONDITIONS AROUND THE REGION THROUGH MID TO LATE WEEK. GUSTY GAP
LOWS...ESPECIALLY ACROSS SOUTHCENTRAL ALASKA WILL DIMINISH WED NIGHT
AND THU AS PRESSURE GRADIENTS RELAX SOME WITH WEAKENING MAINLAND
HIGH.

WEAK RETROGRADING (SW MOVEMENT) TROUGH OVER THE GULF OF ALASKA WILL
BRING SNOW TO KODIAK ISLAND TONIGHT. SNOW SHOULD TAPER OFF TO SNOW
SHOWERS LATER WED AS TROUGH CLEARS AREA AND EASTERLY FLOW DIMINISHES.

A WEAKENING FRONTAL TROUGH OVER THE WESTERN ALEUTIANS WILL CONTINUE
WESTWARD PROGRESSION THROUGH TONIGHT. HIGH PRESSURE WITH GENERALLY
EAST OR NORTHEAST FLOW WILL CONTINUE OVER MUCH OF THE BERING SEA OVER
THE NEXT COUPLE OF DAYS. EXPECT CLOUDS AND SNOW SHOWERS OVER THE
EASTERN BERING SEA AS COLD AIR MOVING OFF THE ICE PACK GATHERS
MOISTURE. EXPECT SOME MOISTURE TO CONTINUE TO CLIP THE ALEUTIANS AS
WEAK SYSTEMS TRANSIT TO THE SOUTH OF THE ISLANDS.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...WIND CHILL ADVISORY 155
MARINE...GALE 150 155 170 172 175 176 179 352
FIRE WEATHER...NONE

RMC JAN 12