Wind Chill Advisory 5, NWS Anchorage, AK

620 
WWAK42 PAFC 121717
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
817 AM AKST SAT FEB 12 2011

AKZ155-130630-
/X.EXT.PAFC.WC.Y.0005.110212T1717Z-110214T0100Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
817 AM AKST SAT FEB 12 2011

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 PM AKST SUNDAY...

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

LATE NIGHT AND EARLY MORNING TEMPERATURES 10 TO 20 BELOW COMBINED
WITH NORTHWEST WINDS OF 15 TO 25 MPH WILL PRODUCE WIND CHILLS OF
30 TO 45 BELOW THROUGH SUNDAY AFTERNOON.

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.

&&

$$

167 
WWAK42 PAFC 130541
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
841 PM AKST SAT FEB 12 2011

AKZ155-131845-
/X.CON.PAFC.WC.Y.0005.000000T0000Z-110214T0100Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
841 PM AKST SAT FEB 12 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 PM AKST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 PM AKST SUNDAY. 

LATE NIGHT AND EARLY MORNING TEMPERATURES 10 TO 20 BELOW COMBINED
WITH NORTHWEST WINDS OF 15 TO 30 MPH WILL PRODUCE WIND CHILLS OF 
30 TO 45 BELOW THROUGH SUNDAY AFTERNOON.

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.

&&

$$

476 
WWAK42 PAFC 131323
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
423 AM AKST SUN FEB 13 2011

AKZ155-140230-
/X.EXT.PAFC.WC.Y.0005.000000T0000Z-110214T1500Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
423 AM AKST SUN FEB 13 2011

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

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

TEMPERATURES 5 BELOW TO 20 BELOW COMBINED WITH NORTHWEST WINDS OF 15
TO 30 MPH WILL CONTINUE TO PRODUCE WIND CHILLS OF 25 BELOW TO 45 BELOW
THROUGH LATE TONIGHT.

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.

&&

$$

646 
WWAK42 PAFC 140015
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
315 PM AKST SUN FEB 13 2011

AKZ181-140900-
/X.NEW.PAFC.BZ.W.0012.110214T0015Z-110214T0900Z/
ALASKA PENINSULA-
INCLUDING THE CITIES OF...COLD BAY...SAND POINT
315 PM AKST SUN FEB 13 2011

...BLIZZARD WARNING IN EFFECT UNTIL MIDNIGHT AKST TONIGHT...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT AKST TONIGHT. 

SNOW SHOWERS WILL PERSIST ALONG THE ALASKA PENINSULA THROUGH LATE
THIS EVENING...ESPECIALLY ALONG THE BERING SIDE. THESE SNOW
SHOWERS WILL COMBINE WITH NORTHWEST WINDS 30 TO 45 MPH WITH 
LOCAL GUSTS TO 70 MPH TO REDUCE VISIBILITIES TO ONE QUARTER MILE
OR LESS AT TIMES. SNOW SHOWERS AND WINDS WILL BOTH DIMINISH DURING
TH OVERNIGHT HOURS LEADING TO AN IMPROVEMENT IN VISIBILITIES.

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.

&&

$$

AKZ155-141315-
/X.CON.PAFC.WC.Y.0005.000000T0000Z-110214T1500Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
315 PM AKST SUN FEB 13 2011

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

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

TEMPERATURES 5 BELOW TO 20 BELOW COMBINED WITH NORTHWEST WINDS OF
15 TO 30 MPH WILL CONTINUE TO PRODUCE WIND CHILLS OF 25 BELOW TO
45 BELOW THROUGH LATE TONIGHT.

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.

&&

$$

211 
WWAK42 PAFC 140550
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
850 PM AKST SUN FEB 13 2011

AKZ181-140900-
/X.CON.PAFC.BZ.W.0012.000000T0000Z-110214T0900Z/
ALASKA PENINSULA-
INCLUDING THE CITIES OF...COLD BAY...SAND POINT
850 PM AKST SUN FEB 13 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT AKST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT AKST TONIGHT.

SNOW SHOWERS WILL PERSIST ALONG THE ALASKA PENINSULA THROUGH LATE
THIS EVENING...ESPECIALLY ALONG THE BERING SIDE. THESE SNOW
SHOWERS WILL COMBINE WITH NORTHWEST WINDS 30 TO 45 MPH WITH LOCAL
GUSTS TO 80 MPH TO REDUCE VISIBILITIES TO ONE QUARTER MILE OR
LESS AT TIMES. SNOW SHOWERS AND WINDS WILL BOTH DIMINISH DURING
THE OVERNIGHT HOURS LEADING TO AN IMPROVEMENT IN VISIBILITIES.

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.

&&

$$

AKZ155-141500-
/X.CON.PAFC.WC.Y.0005.000000T0000Z-110214T1500Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
850 PM AKST SUN FEB 13 2011

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

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

TEMPERATURES 5 BELOW TO 20 BELOW COMBINED WITH NORTHWEST WINDS OF
15 TO 30 MPH WILL CONTINUE TO PRODUCE WIND CHILLS OF 25 BELOW TO
45 BELOW THROUGH LATE TONIGHT.

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.

&&

$$

049 
WWAK42 PAFC 140820
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
1120 PM AKST SUN FEB 13 2011

AKZ181-140930-
/X.CAN.PAFC.BZ.W.0012.000000T0000Z-110214T0900Z/
ALASKA PENINSULA-
INCLUDING THE CITIES OF...COLD BAY...SAND POINT
1120 PM AKST SUN FEB 13 2011

...BLIZZARD WARNING IS CANCELED...

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

SNOW SHOWERS ARE DIMINISHING IN COVERAGE AND VISIBILITY HAS
IMPROVED ACROSS THE ALASKA PENINSULA. PERIODS OF LIGHT SNOW
SHOWERS WILL CONTINUE INTO MONDAY MORNING...BUT BLIZZARD
CONDITIONS ARE NO LONGER EXPECTED.

$$

AKZ155-141500-
/X.CON.PAFC.WC.Y.0005.000000T0000Z-110214T1500Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
1120 PM AKST SUN FEB 13 2011

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

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

AIR TEMPERATURES OF 5 BELOW TO 15 BELOW COMBINED WITH NORTHWEST
WINDS OF 15 TO 25 MPH WILL CONTINUE TO PRODUCE WIND CHILLS OF 25
TO 40 BELOW ZERO THROUGH EARLY MONDAY MORNING. WINDS WILL
DIMINISH THROUGH MONDAY HELPING TO END THE WIND CHILL THREAT.

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.

&&

$$

JAM

559 
WWAK42 PAFC 141312
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
412 AM AKST MON FEB 14 2011


AKZ155-141415-
/X.CAN.PAFC.WC.Y.0005.000000T0000Z-110214T1500Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
412 AM AKST MON FEB 14 2011

...WIND CHILL ADVISORY IS CANCELED...

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

WINDS CONTINUE TO DIMINISH THIS MORNING ACROSS THE AREA...THUS
ENDING THE WIND CHILL THREAT.


$$

SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
500 PM AKST FRI FEB 11 2011

.ANALYSIS AND UPPER LEVELS...
A SURFACE LOW HAD DEVELOPED OVERNIGHT IN THE WESTERN GULF AND HAS
MOVED TO NEAR MIDDLETON ISLAND TODAY. THE ASSOCIATE WEATHER FRONT HAS
BECOME STATIONARY OVER THE COPPER RIVER BASIN AND PRINCE WILLIAM
SOUND EARLY THIS MORNING. AREAS CONTINUES TO FALL OVER THE COPPER
RIVER BASIN AND A MIXTURE OF RAIN AND SNOW OVER PRINCE WILLIAM SOUND.
A TIGHTENING PRESSURE GRADIENT ALONG THE CENTRAL AND WESTERN GULF
COAST HAVE INCREASED THE LOCAL GAP WINDS OVER PRINCE WILLIAM SOUND,
THE SOUTHERN KENAI PENINSULA AND AROUND KODIAK ISLAND. THE
COMBINATION OF STRONG WINDS AND SNOW HAVE CREATED LOCALIZED BLIZZARD
CONDITIONS NEAR THOMPSON PASS AND WHITTIER.

AN UPPER RIDGE OVER WESTERN ALASKA HAS KEPT MOST OF THE SOUTHWEST
INTERIOR AND BRISTOL BAY MOSTLY CLEAR AND COLD TODAY. A WEAKENING
WEATHER FRONT OVER THE EASTERN BERING DROPPED RAIN AND SNOW OVER THE
PRIBILOFS AND EASTERN ALEUTIANS AND HAS MOVED SOME MIDDLE TO HIGH
CLOUDINESS INTO THE YUKON-KUSKOKWIM DELTA COAST. A MODERATE LOW OVER
THE NORTHWEST BERING CONTINUES TO WEAKEN AS IT MOVES EAST. WESTERLY
GALE FORCE WINDS HAVE DEVELOPED ALONG THE SOUTH SIDE OF THE LOW OVER
THE WESTERN ALEUTIANS.

.MODEL DISCUSSION...
THE MODELS REMAIN IN VERY GOOD AGREEMENT THROUGH SUNDAY NIGHT. THE
LOW IN THE NORTHERN GULF WILL REMAIN NEARLY STATIONARY NEAR MIDDLETON
ISLAND THROUGH SATURDAY NIGHT THEN DISSIPATE SUNDAY. ANOTHER LOW
DEVELOPING SOUTH OF THE GULF SATURDAY EVENING WILL MOVE INTO THE
EASTERN GULF SUNDAY.  A RIDGE OF HIGH PRESSURE OVER THE NORTHERN
MAINLAND WILL MOVE INTO CENTRAL ALASKA BY SUNDAY. THE PRESSURE
GRADIENT ALONG THE GULF COAST WILL PERSIST AND POSSIBLE INTENSIFY
THROUGH THE WEEKEND. THE LOW OVER THE NORTHWEST BERING WILL DISSIPATE
OVER THE CENTRAL BERING SATURDAY. THE WEATHER FRONT OVER THE EASTERN
BERING WILL DISSIPATE TONIGHT. A DEVELOPING LOW EAST OF JAPAN WILL
MOVE INTO THE KAMCHATKA PENINSULA SUNDAY NIGHT.

.SHORT TERM FORECAST...
SOUTHCENTRAL AK AND THE GULF....THE SNOW OVER THE COPPER RIVER BASIN
AND PRINCE WILLIAM SOUND WILL BECOME SNOW SHOWERS TONIGHT THEN
GRADUALLY DIMINISH FROM THE WEST SATURDAY. SKIES WILL GRADUALLY CLEAR
FROM THE WEST SATURDAY AND SATURDAY NIGHT. LOCALLY STRONG WINDS ALONG
THE CENTRAL AND WESTERN GULF COAST WILL CONTINUE THROUGH THE WEEKEND
AND MAINTAIN A FEW AREAS OF BLOWING AND DRIFT SNOW. VERY COLD
OVERNIGHT TEMPERATURE AND GUSTY WINDS OUT OF BROAD PASS WILL PRODUCE
WIND CHILLS TO 50 BELOW OVER THE NORTHERN SUSITNA VALLEY TONIGHT.

SOUTHWEST ALASKA...MOSTLY CLEAR AND COLD WEATHER WILL CONTINUE OVER
THE KUSKOKWIM VALLEY AND EASTERN BRISTOL BAY THROUGH THE WEEKEND.
MIDDLE TO HIGH LEVEL CLOUDS OVER THE KUSKOKWIM DELTA FRONT WILL
SLOWLY CLEAR SATURDAY. GUSTY WINDS AND A FEW AREAS OF BLOWING SNOW
ALONG THE KUSKOKWIM DELTA COAST WILL DIMINISH THIS EVENING. GUSTY
NORTH TO NORTHWEST WINDS WILL DEVELOP ALONG THE DELTA COAST AND
ACROSS THE ALASKA PENINSULA LATE SATURDAY AND SUNDAY.

BERING SEA...THE STORM SYSTEM OVER THE BERING WILL WEAKEN AND
DISSIPATE INTO A BROAD TROUGH TONIGHT AND EARLY SATURDAY MORNING. THE
TROUGH WILL THEN FILL THROUGH SATURDAY NIGHT. SHOWERS OVER THE BERING
WILL DIMINISH SATURDAY AND SATURDAY NIGHT. GALE FORCE WINDS OVER THE
ALEUTIANS TONIGHT WILL DIMINISH FROM THE WEST SATURDAY. A NEW WEATHER
FRONT MOVE INTO THE WESTERN BERING SEA WILL RAIN AND GALE FORCE WINDS
SATURDAY NIGHT AND SUNDAY.

.LONG TERM FORECAST...
STRONG UPPER RIDGE OVER THE EASTERN BERING SUNDAY NIGHT WILL MOVE
OVER THE CENTRAL MAINLAND MONDAY. THE LOW OVER THE KAMCHATKA
PENINSULA SUNDAY NIGHT MOVE INTO THE NORTHERN BERING SEA WITH THE
ASSOCIATED WEATHER FRONT ALONG ALONG BERING SEA COAST OF ALASKA
TUESDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...BLIZZARD WARNING NEAR WHITTIER AND THROUGH THOMPSON PASS.
MARINE...GALES 121 129 130 132 138 150 155 160 165 170 172 175 176
FIRE WEATHER...NONE.

NM FEB 11