Alert archive / Alaska / Wind Chill Advisories in 2011

Wind Chill Advisory 10, NWS Anchorage, AK

November 26, 2011

NWS Anchorage, AK issued this wind chill advisory at Nov 26, 2011, 4:28 AM AKST. It took effect at Nov 27, 2011, 12:00 AM AKST. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued
Nov 26, 2011, 4:28 AM AKST (13:28 UTC)
In effect from
Nov 27, 2011, 12:00 AM AKST
Expired
Nov 27, 2011, 10:00 PM AKST
In force
22 hr
Issued by
NWS Anchorage, AK

The text

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

109 
WWAK42 PAFC 261328
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
428 AM AKST SAT NOV 26 2011

AKZ195-270100-
/X.CON.PAFC.BZ.W.0039.111126T1600Z-111127T0100Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
428 AM AKST SAT NOV 26 2011

...BLIZZARD WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO
4 PM AKST THIS AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO
4 PM AKST THIS AFTERNOON. 

* SNOW...ACCUMULATION OF 3 TO 5 INCHES.

* VISIBILITY...WILL BE REDUCED TO ONE QUARTER MILE OR LESS AT 
  TIMES IN FALLING AND BLOWING SNOW. 

* WIND...SOUTHEAST WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH 
  ARE EXPECTED. 

* TIMING...SNOW WILL DEVELOP AS WINDS INCREASE SATURDAY MORNING. 
  THE SNOW WILL BECOME INTENSE AT TIMES LATE SATURDAY MORNING 
  THROUGH MID AFTERNOON. A WEATHER FRONT WILL MOVE THROUGH BY 
  LATE AFTERNOON AND ALLOW WINDS TO DIMINISH AS WELL AS 
  TEMPERATURES TO WARM TO NEAR OR ABOVE FREEZING. 

* IMPACTS...BLIZZARD CONDITIONS WILL MAKE OUTDOOR ACTIVITIES 
  SUCH AS WALKING AND DRIVING EXTREMELY DIFFICULT OR IMPOSSIBLE. 

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 WHITE-OUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. ALL TRAVEL AND
OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ155-270230-
/X.NEW.PAFC.WC.Y.0010.111127T0900Z-111127T1900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
428 AM AKST SAT NOV 26 2011

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
AKST SUNDAY FOR INLAND AREAS...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM AKST
SUNDAY. 

* LOCATION...INLAND AREAS.

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

* WIND...NORTHEAST WIND 10 TO 20 MPH. 

* TIMING...WIND CHILLS 30 TO 45 BELOW FROM MIDNIGHT TONIGHT UNTIL
  LATE SUNDAY MORNING.

* 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.

&&

$$
7 follow-up statements
900 
WWAK42 PAFC 262028
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
1128 AM AKST SAT NOV 26 2011

AKZ195-270100-
/X.CON.PAFC.BZ.W.0039.000000T0000Z-111127T0100Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
1128 AM AKST SAT NOV 26 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON. 

* SNOW...ACCUMULATION OF 1 TO 3 INCHES.

* VISIBILITY...WILL BE REDUCED TO ONE QUARTER MILE OR LESS AT
  TIMES IN FALLING AND BLOWING SNOW.

* WIND...SOUTHEAST WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH 
  ARE EXPECTED. 

* TIMING...THE FRONTAL BOUNDARY WILL APPROACH THE PRIBILOFS
  THROUGH EARLY AFTERNOON. CONDITIONS WILL DETERIORATE RAPIDLY AS
  SNOW INTENSITY INCREASES.

* IMPACTS...BLIZZARD CONDITIONS WILL MAKE OUTDOOR ACTIVITIES 
  SUCH AS WALKING AND DRIVING EXTREMELY DIFFICULT OR IMPOSSIBLE.

* CURRENT CONDITIONS...SNOW IS FALLING AHEAD OF THE FRONTAL
  BOUNDARY ALTHOUGH CONDITIONS HAVE NOT DETERIORATED. THE MAIN
  BOUNDARY WILL APPROACH THE ISLANDS OVER THE NEXT FEW HOURS SO
  BLIZZARD CONDITIONS ARE STILL LIKELY THROUGH EARLY AFTERNOON.

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 WHITE-OUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. ALL TRAVEL AND
OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ155-270100-
/X.CON.PAFC.WC.Y.0010.111127T0900Z-111127T1900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
1128 AM AKST SAT NOV 26 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM AKST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM AKST SUNDAY. 

* LOCATION...INLAND AREAS.

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

* WIND...NORTHEAST WIND 10 TO 20 MPH.

* TIMING...WIND CHILLS 30 TO 45 BELOW FROM MIDNIGHT TONIGHT 
  UNTIL LATE SUNDAY MORNING. 

* 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.

&&

$$
430 
WWAK42 PAFC 262313
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
213 PM AKST SAT NOV 26 2011

AKZ181-271400-
/X.EXB.PAFC.BZ.W.0039.000000T0000Z-111127T1400Z/
ALASKA PENINSULA-
INCLUDING THE CITIES OF...COLD BAY...SAND POINT
213 PM AKST SAT NOV 26 2011

...BLIZZARD WARNING IN EFFECT UNTIL 5 AM AKST SUNDAY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 5 AM AKST SUNDAY. 

* SNOW...ACCUMULATION OF 2 TO 4 INCHES.

* VISIBILITY...WILL BE REDUCED TO ONE QUARTER MILE OR LESS AT 
  TIMES IN FALLING AND BLOWING SNOW. 

* WIND...SOUTHEAST WINDS OF 30 TO 40 MPH ARE EXPECTED. WIND GUSTS
  ARE EXPECTED TO REACH 50 MPH THROUGH CHANNELED TERRAIN.

* TIMING...THE HEAVIEST SNOW WILL FALL FROM NOW THROUGH LATE
  TONIGHT. WIND SPEEDS ARE EXPECTED TO INCREASE THROUGH THE
  EVENING HOURS.  

* IMPACTS...BLIZZARD CONDITIONS WILL MAKE OUTDOOR ACTIVITIES 
  SUCH AS WALKING AND DRIVING EXTREMELY DIFFICULT OR IMPOSSIBLE. 


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 WHITE-OUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. ALL TRAVEL AND
OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ195-270100-
/X.CON.PAFC.BZ.W.0039.000000T0000Z-111127T0100Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
213 PM AKST SAT NOV 26 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON. 

* SNOW...ACCUMULATION OF 1 TO 3 INCHES.

* VISIBILITY...WILL BE REDUCED TO ONE QUARTER MILE OR LESS AT 
  TIMES IN FALLING AND BLOWING SNOW. 

* WIND...SOUTHEAST WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH 
  ARE EXPECTED. 

* TIMING...THE FRONTAL BOUNDARY WILL APPROACH THE PRIBILOFS 
  THROUGH EARLY AFTERNOON. CONDITIONS WILL DETERIORATE RAPIDLY 
  AS SNOW INTENSITY INCREASES. 

* IMPACTS...BLIZZARD CONDITIONS WILL MAKE OUTDOOR ACTIVITIES 
  SUCH AS WALKING AND DRIVING EXTREMELY DIFFICULT OR IMPOSSIBLE. 

* CURRENT CONDITIONS...SNOW IS FALLING AHEAD OF THE FRONTAL 
  BOUNDARY ALTHOUGH CONDITIONS HAVE NOT DETERIORATED. THE MAIN 
  BOUNDARY WILL APPROACH THE ISLANDS OVER THE NEXT FEW HOURS SO 
  BLIZZARD CONDITIONS ARE STILL LIKELY THROUGH EARLY AFTERNOON. 

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 WHITE-OUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. ALL TRAVEL AND
OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ155-271530-
/X.CON.PAFC.WC.Y.0010.111127T0900Z-111127T1900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
213 PM AKST SAT NOV 26 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM AKST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM AKST SUNDAY. 

* LOCATION...INLAND AREAS.

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

* WIND...NORTHEAST WIND 10 TO 20 MPH.

* TIMING...WIND CHILLS 30 TO 45 BELOW FROM MIDNIGHT TONIGHT 
  UNTIL LATE SUNDAY MORNING. 

* 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.

&&

$$
719 
WWAK42 PAFC 270111
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
411 PM AKST SAT NOV 26 2011

AKZ195-270215-
/X.EXP.PAFC.BZ.W.0039.000000T0000Z-111127T0100Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
411 PM AKST SAT NOV 26 2011

...BLIZZARD WARNING HAS EXPIRED...

THE BLIZZARD WARNING IS NO LONGER IN EFFECT. 

SNOWFALL IS NOW LIGHT IN THE AREA AND VISIBILITIES WILL CONTINUE
TO IMPROVE.

$$

AKZ181-271315-
/X.CON.PAFC.BZ.W.0039.000000T0000Z-111127T1400Z/
ALASKA PENINSULA-
INCLUDING THE CITIES OF...COLD BAY...SAND POINT
411 PM AKST SAT NOV 26 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 5 AM AKST SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 5 AM AKST SUNDAY. 

* SNOW...ACCUMULATION OF 2 TO 4 INCHES.

* VISIBILITY...WILL BE REDUCED TO ONE QUARTER MILE OR LESS AT 
  TIMES IN FALLING AND BLOWING SNOW. 

* WIND...SOUTHEAST WINDS OF 30 TO 40 MPH ARE EXPECTED. WIND 
  GUSTS ARE EXPECTED TO REACH 50 MPH THROUGH CHANNELED TERRAIN. 

* TIMING...THE HEAVIEST SNOW WILL FALL FROM NOW THROUGH LATE 
  TONIGHT. WIND SPEEDS ARE EXPECTED TO INCREASE THROUGH THE 
  EVENING HOURS. 

* IMPACTS...BLIZZARD CONDITIONS WILL MAKE OUTDOOR ACTIVITIES 
  SUCH AS WALKING AND DRIVING EXTREMELY DIFFICULT OR IMPOSSIBLE. 

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 WHITE-OUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. ALL TRAVEL AND
OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ155-271315-
/X.CON.PAFC.WC.Y.0010.111127T0900Z-111127T1900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
411 PM AKST SAT NOV 26 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM AKST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM AKST SUNDAY. 

* LOCATION...INLAND AREAS.

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

* WIND...NORTHEAST WIND 10 TO 20 MPH.

* TIMING...WIND CHILLS 30 TO 45 BELOW FROM MIDNIGHT TONIGHT 
  UNTIL LATE SUNDAY MORNING. 

* 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.

&&

$$
969 
WWAK42 PAFC 270935
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
1235 AM AKST SUN NOV 27 2011

AKZ181-271045-
/X.CAN.PAFC.BZ.W.0039.000000T0000Z-111127T1400Z/
ALASKA PENINSULA-
INCLUDING THE CITIES OF...COLD BAY...SAND POINT
1235 AM AKST SUN NOV 27 2011

...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELLED THE
BLIZZARD WARNING. 

SNOW WILL CONTINUE TO DIMINISH FROM WEST TO EAST THROUGH EARLY
MORNING AS LOW PRESSURE MOVES AWAY FROM THE ALASKA PENINSULA.

$$

AKZ155-271900-
/X.CON.PAFC.WC.Y.0010.000000T0000Z-111127T1900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
1235 AM AKST SUN NOV 27 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM AKST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM AKST THIS
MORNING. 

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

* WIND...NORTHEAST WIND 10 TO 20 MPH.

* TIMING...WIND CHILLS 30 TO 45 BELOW THROUGH MID MORNING.

* 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.

&&

$$
368 
WWAK42 PAFC 271833
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
933 AM AKST SUN NOV 27 2011

AKZ155-280100-
/X.EXT.PAFC.WC.Y.0010.000000T0000Z-111128T0100Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
933 AM AKST SUN NOV 27 2011

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON. 

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

* WIND...NORTHEAST WIND 10 TO 20 MPH.

* TIMING...WIND CHILLS 30 TO 45 BELOW THROUGH MID MORNING.

* 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.

&&

$$
648 
WWAK42 PAFC 271835 CCA
WSWALU

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE AK
934 AM AKST SUN NOV 27 2011

AKZ155-280100-
/X.COR.PAFC.WC.Y.0010.000000T0000Z-111128T0100Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
934 AM AKST SUN NOV 27 2011

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON. 

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

* WIND...NORTHEAST WIND 10 TO 20 MPH.

* TIMING...WIND CHILLS 30 TO 45 BELOW THROUGH MID AFTERNOON.

* 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.

&&

$$
027 
WWAK42 PAFC 280050
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
350 PM AKST SUN NOV 27 2011

AKZ155-280700-
/X.EXT.PAFC.WC.Y.0010.000000T0000Z-111128T0700Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
350 PM AKST SUN NOV 27 2011

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 PM AKST THIS
EVENING...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 10 PM AKST THIS
EVENING. 

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

* WIND...NORTHEAST WIND 10 TO 20 MPH.

* TIMING...CONDITIONS WILL MODERATE LATE THIS EVENING.

* 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.

&&

$$

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 Anchorage, AK wrote its last area forecast discussion before this wind chill advisory went out at Nov 26, 4:00 AM AKST, 28 minutes earlier.

Area forecast discussion, Nov 26, 4:00 AM AKST, 28 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKST SAT NOV 26 2011

.ANALYSIS AND UPPER LEVELS...
THE LARGE COMPLEX UPPER LOW STILL REMAINS DRAPED OVER MUCH OF
MAINLAND ALASKA THIS MORNING. THERE ARE TWO MAIN CENTERS LEFT...ONE
OVER THE AKPEN/KODIAK ISLAND AND ANOTHER OVER THE NORTHEASTERN GULF
STRETCHING INTO THE COPPER RIVER BASIN. EXTENDING FROM THIS UPPER LOW
A TROUGH AXIS SITS FROM THE GULF WELL INTO THE PACIFIC OCEAN TO THE
SOUTH. FURTHER WEST...A SEASONABLE UPPER LOW IS CENTERED OVER THE
KAMCHATKA PENINSULA. AN ACTIVE JET FEEDS AROUND THE BASE OF THIS LOW
JUST SOUTH OF THE WESTERN ALEUTIANS. FROM THE CENTRAL ALEUTIANS UP
THROUGH THE PRIBILOF ISLANDS AND THEN OVER THE CHUKCHI PENINSULA A
RIDGE AXIS LIES BETWEEN THE TWO DOMINANT UPPER LOWS. AT THE
SURFACE...THERE ARE TWO MAIN AREAS OF SURFACE LOW PRESSURE...ONE IN
THE NORTHEASTERN GULF AND ANOTHER ENCROACHING ON THE SOUTHERN
PANHANDLE. GENERALLY LIGHT FLOW PREVAILS UNDER HIGH PRESSURE FOR MOST
OF THE MAINLAND. A LARGE SURFACE LOW SITS JUST EAST OF THE KAMCHATKA
PENINSULA WITH AN OCCLUDED FRONT STRETCHING EASTWARD INTO THE BERING
TURNING SOUTHWARD OVER THE CENTRAL ALEUTIANS.

.MODEL DISCUSSION...
GIVEN THE COMPLEX NATURE OF THE PATTERN GUIDANCE HANDLES THE SYNOPTIC
PATTERN SIMILARLY THROUGH MID-DAY MONDAY. THE KAMCHATKA UPPER LOW
WILL DRIFT EAST INTO THE BERING COMBINING WITH THE MAINLAND UPPER LOW
TO FORM A DOUBLE BARRELED BROAD TROUGH. THE JET STREAM WILL LIE TO
THE SOUTH OF THE TROUGH WITH A MULTITUDE OF LOW AMPLITUDE WAVES FROM
THE AKPEN BACK THROUGH EAST ASIA. HOW THESE WAVES PROPAGATE AND
AMPLIFY WILL BE THE FOCUS OF THE FORECAST FOR THE NEXT WEEK. THE
SURFACE FIELDS ARE ALSO HANDLED VERY SIMILARLY THROUGH THE WEEKEND
BUT DIFFERENCES ARISE EARLY NEXT WEEK. AS THE CURRENT BERING SEA
OCCLUDED FRONT PUSHES EASTWARD OVER THE ALEUTIANS A TRIPLE POINT LOW
WILL FORM AS THE FRONT NEARS THE AKPEN EARLY SUNDAY. GLOBAL MODELS
SHOW A BROAD SURFACE LOW...SOME MULTI-CENTERED...FROM BRISTOL BAY TO
THE EASTERN GULF. THE MESOSCALE MODELS...NAM/SREF...SHOW A
CONSOLIDATED SURFACE LOW THAT STAYS SOUTH OF THE ALEUTIANS...MOVING
INTO THE GULF. THE GLOBAL MODELS EVENTUALLY REACH THAT SOLUTION ONLY
AFTER REFORMING THE LOW CENTER AS THE SYSTEM CROSSES THE AKPEN. THE
CANADIAN GEM IS THE OUTLIER OF THE PACKAGE WITH A MUCH DEEPER LOW AND
SUBSEQUENT FURTHER NORTHWEST TRACK ONTO THE MAINLAND. GFS IS FAVORED
FOR THE FORECAST PACKAGE.

.SHORT TERM FORECAST...
SOUTHCENTRAL ALASKA...THE PERSISTENT LIGHT SNOW OF THE LAST COUPLE
DAYS WILL TAPER OFF THIS MORNING. THE DECAYING LOW IN THE GULF WILL
PROVIDE FOCUS FOR ACTIVE WEATHER INTO SUNDAY MORNING. A NEW TRIPLE
POINT LOW WILL PUSH INTO THE GULF ON SUNDAY WITH SNOW FIRST FOR
KODIAK ISLAND THEN SPREADING NORTHEASTWARD...MAINLY FOR COASTAL
LOCATIONS IN THE NORTHERN GULF. GALE FORCE WINDS IN THE GULF ARE ALSO
A STRONG POSSIBILITY.

SOUTHWEST ALASKA...QUIET WEATHER AND CLEAR CONDITIONS HAVE ALLOWED
FOR TEMPERATURES TO PLUMMET OVER THE SOUTHWEST INTERIOR. THE QUIET
CONDITIONS WILL CONTINUE THROUGH THE DAY TODAY BEFORE AN APPROACHING
FRONT BRINGS SNOW TO THE AKPEN ON SUNDAY SPREADING NORTHWARD INTO THE
KUSKOKWIM VALLEY.

BERING SEA AND ALEUTIANS...OCCLUDED FRONT WILL RACE ACROSS THE CHAIN
TODAY BRINGING PERIODS OF SNOW BEHIND THE FRONT. SNOW SHOWERS WILL
STAY IN THE FORECAST THROUGH MONDAY.

.LONG TERM FORECAST...
THE COLD PATTERN OF THE LAST SEVERAL WEEKS LOOKS TO BE CHANGING THIS
WEEK. THE TWO CURRENT UPPER LOW CENTERS WILL CONSOLIDATE AND OPEN THE
DOOR FOR A FAST ZONAL FLOW WITH MANY AMPLIFYING SHORTWAVE TROUGHS.
STORM TRACKS WILL CHANGE TO A MORE EAST NORTHEASTERLY TRACK OVER THE
ALEUTIANS AND ONTO THE MAINLAND USHERING IN A VERY ACTIVE PATTERN FOR
SOUTHERN ALASKA.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...BLIZZARD WARNING 195
MARINE...GALE 120 121 130 132 138 150 155 160 165 170 172 175 176 179
180 185 HEAVY FREEZING SPRAY 121 130 140
FIRE WEATHER...NONE

MTL NOV 11

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 25, 4:00 PM AKSTGale WarningAFC36 hr
Nov 25, 4:00 PM AKSTGale WarningAFC9 days
Nov 25, 4:00 PM AKSTSmall Craft AdvisoryAFC36 hr
Nov 25, 4:00 PM AKSTStorm WarningAFC12 hr
Nov 25, 4:00 PM AKSTStorm WarningAFC12 hr
Nov 25, 4:00 PM AKSTHeavy Freezing Spray WarningAFC36 hr
Nov 25, 4:00 PM AKSTHeavy Freezing Spray WarningAFC12 hr
Nov 26, 12:17 AM AKSTBlizzard WarningAFC24 hr
Nov 26, 4:00 AM AKSTGale WarningAFC51 hr
Nov 26, 4:00 AM AKSTGale WarningAFC9 days
Nov 26, 4:00 AM AKSTGale WarningAFC12 hr
Nov 26, 4:00 AM AKSTGale WarningAFC48 hr
Nov 26, 4:00 AM AKSTSmall Craft AdvisoryAFC24 hr
Nov 26, 4:00 AM AKSTHeavy Freezing Spray WarningAFC24 hr

Nearby

Wind Chill Advisories in Alaska, 2011Every wind chill advisory in 2011

Sources

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