Blizzard Watch 9, NWS Anchorage, AK

000 
WWAK42 PAFC 080107
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
407 PM AKST SAT FEB 7 2009

AKZ191-080215-
/X.CAN.PAFC.BZ.A.0009.090209T0000Z-090209T1000Z/
WESTERN ALEUTIANS-
INCLUDING THE CITY OF...SHEMYA AND AMCHITKA
407 PM AKST SAT FEB 7 2009

...BLIZZARD WATCH IS CANCELLED...

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


$$

AKZ181-080300-
/X.CON.PAFC.BZ.W.0009.000000T0000Z-090208T0300Z/
ALASKA PENINSULA-
INCLUDING THE CITIES OF...COLD BAY...SAND POINT
407 PM AKST SAT FEB 7 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM AKST THIS
AFTERNOON. 

NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH COMBINED WITH
STEADY SNOW SHOWERS WILL REDUCE VISIBILITIES TO ONE QUARTER MILE
OR LESS AT TIMES THROUGH LATE THIS AFTERNOON. SNOW SHOWERS ARE
EXPECTED TO DIMINISH LATE THIS AFTERNOON AND EARLY EVENING
ALLOWING FOR SOME IMPROVEMENT IN VISIBILITIES. WINDS WILL THEN
DIMINISH THROUGH THE EVENING HOURS RESULTING IN SIGNIFICANT
IMPROVEMENTS AS THE NIGHT WEARS ON.

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.

$$

AKZ195-081415-
/X.CON.PAFC.BZ.A.0009.090209T0000Z-090209T1000Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
407 PM AKST SAT FEB 7 2009

...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT. 

WINDS WILL INCREASE WITH AN APPROACHING FRONT FROM THE WEST IN
THE PRIBILOFS BEGINNING SUNDAY AFTERNOON. WIND SPEEDS ARE
EXPECTED TO REACH 35 TO 45 MPH. VISIBILITIES WILL DECREASE WITH
BLOWING SNOW AND POSSIBLY DROP AS LOW AS ONE QUARTER MILE AT
TIMES.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITE-OUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

000 
WWAK42 PAFC 080245
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
545 PM AKST SAT FEB 7 2009

AKZ181-080345-
/X.EXP.PAFC.BZ.W.0009.000000T0000Z-090208T0300Z/
ALASKA PENINSULA-
INCLUDING THE CITIES OF...COLD BAY...SAND POINT
545 PM AKST SAT FEB 7 2009

...BLIZZARD WARNING WILL EXPIRE AT 6 PM AKST THIS AFTERNOON...

THE BLIZZARD WARNING WILL EXPIRE AT 6 PM AKST THIS AFTERNOON. 

CONDITIONS HAVE IMPROVED AS STRONGEST WINDS ARE PASSING TO THE EAST.

$$

AKZ195-081545-
/X.CON.PAFC.BZ.A.0009.090209T0000Z-090209T1000Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
545 PM AKST SAT FEB 7 2009

...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT. 

WINDS WILL INCREASE WITH AN APPROACHING FRONT FROM THE WEST IN
THE PRIBILOFS BEGINNING SUNDAY AFTERNOON. WIND SPEEDS ARE
EXPECTED TO REACH 35 TO 45 MPH. VISIBILITIES WILL DECREASE WITH
BLOWING SNOW AND POSSIBLY DROP AS LOW AS ONE QUARTER MILE AT
TIMES.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITE-OUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

000 
WWAK42 PAFC 081401
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
501 AM AKST SUN FEB 8 2009

AKZ195-090315-
/X.UPG.PAFC.BZ.A.0009.090209T0000Z-090209T1000Z/
/X.NEW.PAFC.BZ.W.0010.090208T2100Z-090209T1200Z/
PRIBILOF ISLANDS-
INCLUDING THE CITY OF...SAINT PAUL
501 AM AKST SUN FEB 8 2009

...BLIZZARD WARNING IN EFFECT FROM NOON TODAY TO 3 AM AKST
MONDAY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING FOR THE PRIBILOF ISLANDS. THE WARNING IS IN EFFECT FROM
NOON TODAY TO 3 AM AKST MONDAY. THE BLIZZARD WATCH IS NO LONGER IN
EFFECT.

A STRONG WEATHER FRONT IS APPROACHING THE PRIBILOF ISLANDS FROM
THE WEST AND WILL PASS OVER THE AREA TONIGHT. EAST WINDS IN
ADVANCE OF THE FRONT ARE EXPECTED TO REACH SPEEDS OF 25 TO 45 MPH
TODAY AND TONIGHT. VISIBILITIES IN SNOW AND BLOWING SNOW WILL BE
REDUCED TO ONE QUARTER MILE OR LESS AT TIMES.  

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.

$$

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 AM AKST SAT FEB 7 2009

.ANALYSIS AND UPPER LEVELS...
AT THE SURFACE...A 987 MB LOW IS LOCATED IN THE EASTERN GULF OF
ALASKA. A 994 MB LOW IS WEAKENING OVER THE KUSKOKWIM DELTA...WITH A
COLD FRONT EXTENDING SOUTHWARD OVER BRISTOL BAY AND THE ALASKA
PENINSULA. A FRONT LOCATED WELL AHEAD OF A NORTH PACIFIC LOW IS
APPROACHING THE WESTERN ALEUTIANS.

IN THE UPPER LEVELS...A TROUGH IS OVER THE THE EASTERN BERING SEA AND
WESTERN MAINLAND. A RIDGE IS OVER THE WESTERN ALEUTIANS AND BERING
SEA. ELSEWHERE...SOUTHWEST FLOW IS PRESENT OVER THE EASTERN MAINLAND
AND GULF OF ALASKA.

.MODEL DISCUSSION...
MODELS ARE IN BETTER AGREEMENT TONIGHT THAN LAST NIGHT...WITH GENERAL
AGREEMENT THROUGH 12Z MONDAY. SIGNIFICANT DIFFERENCES ARISE BY 00Z
TUESDAY. MAIN DISAGREEMENTS PERTAIN TO THE EVOLUTION OF THE NORTH
PACIFIC LOW APPROACHING THE WESTERN ALEUTIANS EARLY IN THE WEEK.
MODELS ARE ALSO HAVING PROBLEMS DISCERNING THE DEVELOPMENT AND
SUBSEQUENT EVOLUTION OF A TRIPLE POINT LOW IN THE GULF ON MONDAY.
FORECASTS THROUGH MONDAY WERE CONSTRUCTED USING A GFS/NAM BLEND FOR
CONSISTENCY.

.SHORT TERM FORECAST...
.SOUTHCENTRAL...
MAIN FORECAST PROBLEM ACROSS SOUTHCENTRAL IN THE SHORT TERM IS FOG
FORMATION ALONG COOK INLET AND THE MATANUSKA VALLEY. FOG SHOULD
GENERALLY BE ON THE DECREASE AS THE DAY WEARS ON...WITH REFORMATION
TONIGHT IN THE SAME AREAS. KODIAK ISLAND WILL SEE AN INCREASED THREAT
OF SNOW SHOWERS TODAY AS THE UPPER TROUGH SWINGS THROUGH...WITH LIGHT
ACCUMULATIONS AND IMPROVING CONDITIONS BY TONIGHT. OTHERWISE EXPECT
TRANQUIL CONDITIONS ACROSS THE REGION WITH MOSTLY TO PARTLY CLOUDY
SKIES...AND LIGHT WINDS THROUGH THE END OF THE WEEKEND.

.SOUTHWEST...
SNOW SHOWERS AND GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE THROUGH
TONIGHT AS THE LOW OVER THE KUSKOKWIM VALLEY DISSIPATES. THE UPPER
LEVEL TROUGH IS ALSO TRANSLATING EASTWARD...ACTING TO SYNOPTICALLY
ENHANCE SNOWFALL. SNOW ACROSS THE SOUTHWEST MAINLAND WILL BE HEAVIEST
ACROSS THE ALASKA PENINSULA...WHERE CONDITIONS WILL BEGIN IMPROVING
BY TONIGHT AFTER THE TROUGH PASSES. SUNDAY WILL SEE A DWINDLING
CHANCE OF SNOW SHOWERS...WITH LIGHTER WINDS AND CLEARING SKIES.

.BERING SEA AND ALEUTIANS...
THE AFOREMENTIONED FRONT WILL SPREAD RAIN AND SNOW THROUGH THE
WESTERN ALEUTIANS TODAY...ALONG WITH STRONG EASTERLY WINDS. THE FRONT
WILL PROGRESS ACROSS THE ALEUTIANS...AFFECTING THE CENTRAL ISLANDS
TONIGHT INTO SUNDAY AND THE EASTERN ISLANDS SUNDAY NIGHT INTO MONDAY.
PRECIPITATION WILL REMAIN ALL SNOW IN THE PRIBILOFS...BUT WILL NOT BE
AS WIDESPREAD AS OVER THE ALEUTIANS.

.LONG TERM FORECAST...
THE TRIPLE POINT LOW DEVELOPING IN THE GULF ON MONDAY WILL DIVE
SOUTHEASTWARD TOWARD THE PACIFIC NORTHWEST. A QUASI STATIONARY LOW
WILL DEVELOP OVER THE NORTHERN GULF WEDNESDAY...AND PERSIST THROUGH
THURSDAY. ANOTHER NORTH PACIFIC LOW WILL IMPACT THE ALEUTIANS AND
BERING SEA MID TO LATE WEEK.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WARNING 191
MARINE...STORM 175 176
         GALE 130 132 150 155 160 165 170 172
         HEAVY FREEZING SPRAY 121 129 150 155 165 179
FIRE WEATHER...NONE

NRH FEB 09