Storm Warning 24, NWS Anchorage, AK

778 
FZAK62 PAFC 062355
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST FRI FEB 6 2009

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-071500-
400 PM AKST FRI FEB 6 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 988 MB LOW 80 NEAR 61N 170W WILL MOVE ONSHORE NEAR 62N 166W FRI
EVENING. A 975 MB LOW NEAR 39N 162E WILL STRENGTHEN TO 960 MB NEAR
49N 169E SAT AFTERNOON AND THEN WEAKEN TO 967 MB NEAR 62N 164E SUN
AFTERNOON. A 994 MB LOW WILL DEVELOP NEAR 51N 174W SAT NIGHT AND WILL
STRENGTHEN TO 990 MB NEAR 54N 167W SUN AFTERNOON.

$$

PKZ411-071500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKST FRI FEB 6 2009

...STORM WARNING SATURDAY AND SATURDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...VARIABLE WIND 10 TO 20 KT KT. SEAS 4 TO 8 FT. HEAVY
FREEZING SPRAY NORTH OF 56N. 
.SAT...E WIND 25 TO 35 KT INCREASING TO 40 TO 50 KT IN THE AFTERNOON.
SEAS BUILDING TO 14 TO 21 FT. HEAVY FREEZING SPRAY NORTH OF 56N. 
.SAT NIGHT...E WIND 55 KT. SEAS 23 FT. SNOW. HEAVY FREEZING SPRAY
NORTH OF 56N. 
.SUN...E WIND 45 KT. SEAS 25 FT. 
.SUN NIGHT...E WIND 35 KT. SEAS 24 FT. 
.MON...E WIND 40 KT. SEAS 23 FT. 
.TUE...E WIND 40 KT. SEAS 19 FT. 
.WED...NE WIND 15 KT. SEAS 7 FT.  

$$

PKZ412-071500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKST FRI FEB 6 2009

...GALE WARNING SATURDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...NW WIND 20 TO 30 KT. SEAS 7 TO 13 FT. HEAVY FREEZING
SPRAY. 
.SAT...NW WIND 10 TO 20 KT. SEAS 5 TO 11 FT. HEAVY FREEZING SPRAY. 
.SAT NIGHT...NE WIND 30 KT BECOMING E 40 KT AFTER MIDNIGHT. SEAS
14 FT. HEAVY FREEZING SPRAY. 
.SUN...E WIND 35 KT. SEAS 14 FT. 
.SUN NIGHT...E WIND 30 KT. SEAS 15 FT. 
.MON AND TUE...E WIND 35 KT. SEAS 17 FT. 
.WED...E WIND 20 KT. SEAS 9 FT.  

$$

PKZ413-071500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKST FRI FEB 6 2009

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...NW WIND 25 TO 35 KT. SEAS 10 TO 16 FT. FREEZING SPRAY. 
.SAT...N WIND 20 KT BECOMING E 35 KT IN THE AFTERNOON. SEAS 15 FT.
FREEZING SPRAY. 
.SAT NIGHT...E WIND 45 KT. SEAS 19 FT. FREEZING SPRAY. 
.SUN...E WIND 35 KT. SEAS 16 FT. 
.SUN NIGHT...E WIND 25 KT. SEAS 13 FT. 
.MON...SE WIND 30 KT. SEAS 13 FT. 
.TUE...SW WIND 20 KT. SEAS 8 FT. 
.WED...SW WIND 15 KT. SEAS 7 FT.  

$$

PKZ414-071500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKST FRI FEB 6 2009

...GALE WARNING THROUGH SATURDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...W TO NW WIND 25 TO 35 KT. SEAS IN ICE FREE WATERS 10 TO 
16 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY. 
.SAT...NW WIND 25 TO 35 KT. SEAS IN ICE FREE WATERS 11 TO 16 FT.
HEAVY FREEZING SPRAY. 
.SAT NIGHT...N WIND 25 KT. SEAS IN ICE FREE WATERS 9 FT. HEAVY
FREEZING SPRAY. 
.SUN AND SUN NIGHT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT. 
.MON...NE WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT. 
.TUE...E WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT. 
.WED...SW WIND 15 KT. SEAS IN ICE FREE WATERS 8 FT.  

$$

000 
FZAK62 PAFC 071258
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKST SAT FEB 7 2009

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-080300-
400 AM AKST SAT FEB 7 2009
.SYNOPSIS FOR CENTRAL BERING SEA...
A NORTH PACIFIC LOW WILL BE NEAR 50N 169E AT 960 MB SAT NIGHT AND
WEAKEN TO 970 MB NEAR 53N 164E SUN AFTERNOON. A FRONT ASSOCIATED WITH
THIS LOW WILL MOVE INTO THE SOUTHERN BERING SAT NIGHT...AND SLOWLY
DISSIPATE THROUGH MON MORNING.
$$

PKZ411-080300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKST SAT FEB 7 2009

...STORM WARNING THROUGH SUNDAY...

.TODAY...E WIND 25 KT INCREASING TO 50 KT IN THE AFTERNOON. SEAS
14 FT. SNOW AND RAIN. FREEZING SPRAY NORTH OF 56N. 
.TONIGHT...E WIND 55 KT. SEAS 24 FT. SNOW AND RAIN. 
FREEZING SPRAY NORTH OF 56N.  
.SUN...E WIND 55 KT. SEAS 27 FT. SNOW AND RAIN. 
.SUN NIGHT...SE WIND 45 KT. SEAS 26 FT. 
.MON...E WIND 50 KT. SEAS 24 FT. 
.TUE...S WIND 50 KT. SEAS 20 FT. 
.WED...E WIND 20 KT. SEAS 13 FT.  

$$

PKZ412-080300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKST SAT FEB 7 2009

...GALE WARNING TONIGHT AND SUNDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TODAY...NW WIND 25 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. 
.TONIGHT...NE WIND 30 KT BECOMING E 45 KT AFTER MIDNIGHT. SEAS
12 FT. HEAVY FREEZING SPRAY. 
.SUN...E WIND 45 KT. SEAS 16 FT. SNOW. HEAVY FREEZING SPRAY. 
.SUN NIGHT...E WIND 35 KT. SEAS 18 FT. 
.MON...E WIND 45 KT. SEAS 20 FT. 
.TUE...SE WIND 40 KT. SEAS 18 FT. 
.WED...SE WIND 15 KT. SEAS 14 FT.  

$$

PKZ413-080300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKST SAT FEB 7 2009

...STORM WARNING TONIGHT...

.TODAY...N WIND 25 KT BECOMING E 30 KT IN THE AFTERNOON. SEAS 14 FT.
FREEZING SPRAY. 
.TONIGHT...E WIND 50 KT. SEAS 15 FT. SNOW. FREEZING SPRAY. 
.SUN...E WIND 45 KT. SEAS 18 FT. SNOW AND RAIN. 
.SUN NIGHT...E WIND 35 KT. SEAS 18 FT. 
.MON...SE WIND 40 KT. SEAS 19 FT. 
.TUE...SW WIND 25 KT. SEAS 14 FT. 
.WED...S WIND 20 KT. SEAS 13 FT.  

$$

PKZ414-080300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKST SAT FEB 7 2009

...GALE WARNING TODAY AND SUNDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TODAY...NW WIND 35 KT. SEAS IN ICE FREE WATERS 16 FT. 
SNOW SHOWERS. HEAVY FREEZING SPRAY. 
.TONIGHT...NW WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT. 
SNOW SHOWERS. HEAVY FREEZING SPRAY. 
.SUN...NE WIND 35 KT. SEAS IN ICE FREE WATERS 11 FT. 
HEAVY FREEZING SPRAY. 
.SUN NIGHT AND MON...NE WIND 35 KT. SEAS IN ICE FREE WATERS 12 FT. 
.TUE...SE WIND 35 KT. SEAS IN ICE FREE WATERS 13 FT.
.WED...SW WIND 25 KT. SEAS IN ICE FREE WATERS 13 FT.  

$$

000 
FZAK62 PAFC 080040
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST SAT FEB 7 2009

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-081500-
400 PM AKST SAT FEB 7 2009
.SYNOPSIS FOR CENTRAL BERING SEA...
A FRONT ASSOCIATED WITH A 963 MB LOW NEAR 47N 167E MOVES INTO THE
WESTERN ALEUTIANS SATURDAY AND INTO THE CENTRAL ALEUTIANS BY SUNDAY
AFTERNOON. A 992 MB LOW DEVELOPS ALONG THIS FRONT NEAR 53N 167W ON
SUNDAY AFTERNOON. ON MONDAY MORNING A 975 MB LOW MOVES NEAR 49N 170E.
IT STRENGTHENS TO 968 MB AND MOVES TO 53N 172E BY MONDAY AFTERNOON.
$$

PKZ411-081500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKST SAT FEB 7 2009

...HURRICANE FORCE WIND WARNING TONIGHT...

.TONIGHT...E WIND 65 KT DIMINISHING TO 55 KT AFTER MIDNIGHT. SEAS
28 FT. SNOW AND RAIN. FREEZING SPRAY NORTH OF 56N. 
.SUN...E WIND 55 KT. SEAS 28 FT. SNOW AND RAIN. FREEZING SPRAY NORTH
OF 56N. 
.SUN NIGHT...SE WIND 45 KT. SEAS 27 FT. SNOW AND RAIN SHOWERS. 
.MON...E WIND 45 KT. SEAS 25 FT. 
.MON NIGHT...SE WIND 45 KT. SEAS 23 FT. 
.TUE...S WIND 35 KT. SEAS 20 FT. 
.WED...E WIND 25 KT. SEAS 17 FT. 
.THU...NE WIND 20 KT. SEAS 16 FT.  

$$

PKZ412-081500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKST SAT FEB 7 2009

...STORM WARNING SUNDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...NE WIND 30 KT BECOMING E 40 KT AFTER MIDNIGHT. SEAS
BUILDING TO 14 FT. HEAVY FREEZING SPRAY. 
.SUN...E WIND 40 KT...BECOMING E WIND 50 KT DURING THE MORNING. SEAS
19 FT. HEAVY FREEZING SPRAY. 
.SUN NIGHT...E WIND 40 KT. SEAS 18 FT. SNOW. HEAVY FREEZING SPRAY. 
.MON AND MON NIGHT...E WIND 35 KT. SEAS 18 FT. 
.TUE...SE WIND 30 KT. SEAS 16 FT. 
.WED...E WIND 20 KT. SEAS 14 FT. 
.THU...NE WIND 20 KT. SEAS 13 FT.  

$$

PKZ413-081500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKST SAT FEB 7 2009

...STORM WARNING THROUGH SUNDAY...

.TONIGHT...E WIND 35 KT INCREASING TO 50 KT AFTER MIDNIGHT...EXCEPT
VARIABLE WIND 20 KT BECOMING E WIND 35 KT AFTER MIDNIGHT EAST OF
174W. SEAS BUILDING TO 16 FT. SNOW AND RAIN. 
.SUN...E WIND 50 KT BECOMING SE 40 KT IN THE AFTERNOON. SEAS 20 FT.
SNOW AND RAIN SHOWERS. 
.SUN NIGHT...E WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS
16 FT. SNOW AND RAIN SHOWERS. 
.MON...SE WIND 40 KT. SEAS 19 FT. 
.MON NIGHT...S WIND 40 KT. SEAS 19 FT. 
.TUE AND WED...SW WIND 30 KT. SEAS 17 FT. 
.THU...SE WIND 25 KT. SEAS 15 FT.  

$$

PKZ414-081500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKST SAT FEB 7 2009

...GALE WARNING SUNDAY AND SUNDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...NW WIND 25 KT...BECOMING NE WIND 20 KT AFTER MIDNIGHT.SEAS
IN ICE FREE WATERS 10 FT. HEAVY FREEZING SPRAY. 
.SUN...E WIND 35 KT. SEAS IN ICE FREE WATERS 11 FT. SNOW. HEAVY
FREEZING SPRAY. 
.SUN NIGHT...NE WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS
IN ICE FREE WATERS 11 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY. 
.MON...NE WIND 25 KT. SEAS IN ICE FREE WATERS 12 FT. 
.MON NIGHT...E WIND 30 KT. SEAS IN ICE FREE WATERS 13 FT.
.TUE AND WED...S WIND 25 KT. SEAS IN ICE FREE WATERS 12 FT. 
.THU...S WIND 15 KT. SEAS IN ICE FREE WATERS 11 FT.  

$$

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM AKST THU FEB 5 2009

.MODEL DISCUSSION...
MODELS HAVE COME INTO BETTER AGREEMENT IN THE LAST 24 HOURS WITH THE
GFS TRENDING TOWARD THE ECMWF SOLUTION. THE DIFFERENCES IN STRENGTH
AND POSITION OF THE BERING SEA LOW AND AND THE NEXT LOW COMING INTO
THE GULF.

.ANALYSIS AND UPPER LEVELS...
THE WEATHER FRONT OVER THE SOUTHWEST INTERIOR CONTINUES TO MOVE EAST
AND HAS SPREAD SNOW INTO THE COOK INLET, SUSITNA VALLEY AND THE KENAI
PENINSULA. A WEAK LOW APPEARS TO BE DEVELOPING ALONG THE FRONT NEAR
KODIAK ISLAND AND WILL MOVE TOWARD PRINCE WILLIAM SOUND THIS EVENING.
THE LOW NORTH OF THE PRIBILOFS PRODUCED STRONG SOUTHWEST WINDS
THROUGH THE PRIBILOFS THIS MORNING. GUSTY SOUTHEAST WINDS OVER
TURNAGAIN ARM WILL DELAY THE ONSET OF SNOW OVER THE ANCHORAGE BOWL
UNTIL AFTERNOON.

THE UPPER TROUGH OVER THE BERING SEA REMAINS NEARLY STATIONARY
THROUGH THE WEAK UPPER RIDGE OVER GULF AND EASTERN MAINLAND CONTINUES
TO MOVE TOWARD CANADA. OTHERWISE, SOUTHERN ALASKA REMAINS UNDER A
MOIST SOUTHWEST FLOW THROUGH MOST OF THE ATMOSPHERE.

.SHORT TERM FORECAST...
UPPER AIR...THE TROUGH OVER THE BERING SEA WILL MOVE EAST INTO THE
KUSKOKWIM DELTA AND BRISTOL BAY FRIDAY NIGHT AND SATURDAY. A RIDGE
OVER THE NORTHWEST PACIFIC WILL MOVE INTO THE SOUTHWEST BERING
SATURDAY AND CREATE A STRONG NORTHWEST FLOW OVER THE BERING SEA.

AT THE SURFACE...ALL MODEL INDICATE THAT THE WEATHER FRONT WILL PASS
THROUGH THE SUSITNA VALLEY THIS EVENING AND WILL PASS THROUGH THE
COPPER RIVER BASIN TONIGHT. THE WEAK LOW NEAR KODIAK WILL MOVE
NORTHEAST AND DISSIPATE OVER PRINCE WILLIAM SOUND THIS EVENING. THE
LOW APPROACHING THE GULF OF ALASKA FRIDAY WILL NOT BE AS STRONG AS ON
PREVIOUS RUNS SO WINDS AROUND THE CENTER WILL REMAIN MOSTLY IN THE
SMALL CRAFT ADVISORY RANGE. THE LOW IN THE BERING SEA WILL MOVE
NORTHEAST AND MOVE INTO THE YUKON DELTA NEAR CAPE ROMANZOF FRIDAY
EVENING THEN WEAKEN OVER WESTERN ALASKA SATURDAY. STRONG NORTH TO
NORTHWEST WINDS ON THE WEST SIDE OF THE BERING LOW WILL BRING MOVE
COLD AIR INTO SOUTHWEST, THE ALASKA PENINSULA AND KODIAK ISLAND
THROUGH SATURDAY NIGHT.

SOUTHCENTRAL AND THE GULF...
SNOW ASSOCIATED WITH THE WEATHER FRONT WILL BECOME SNOW SHOWERS
BEHIND THE FRONT. MOVE SNOW, POSSIBLY MIXED WITH RAIN WILL MOVE BACK
ONTO THE CENTRAL GULF COAST LATE FRIDAY WITH THE NEXT STORM SYSTEM
THEN CHANGE BACK TO SHOWERS FRIDAY NIGHT.

SOUTHWEST ALASKA AND BERING SEA...
SNOW OVER THE KUSKOKWIM VALLEY AND KUSKOKWIM DELTA WILL BECOME SNOW
SHOWERS TONIGHT. MORE SNOW, ASSOCIATED WITH THE UPPER TROUGH OVER THE
BERING SEA, WILL MOVE INTO THE KUSKOKWIM DELTA AND BRISTOL BAY LATE
FRIDAY AND SATURDAY. GALE TO POSSIBLE STORM FORCE WINDS WILL MOVE
INTO THE WESTERN ALEUTIANS SATURDAY.

.LONG TERM FORECAST...
THE UPPER RIDGE OVER THE BERING SATURDAY NIGHT WILL REMAIN OVER THE
AREAS THROUGH MONDAY. THE COLD NORTHWEST FLOW WILL REMAIN OVER
WESTERN ALASKA THROUGH MONDAY. AT THE SURFACE...MODEL AGREEMENT
RAPIDLY FALLS APART THROUGH SUNDAY. GENERAL INDICATIONS SHOW A WEAK
LOW WILL PERSIST OVER THE NORTHERN GULF INTO SUNDAY NIGHT BEFORE A
NEW STORM SYSTEM DEVELOPING SOUTH OF THE ALEUTIANS SATURDAY NIGHT
MOVE INTO THE SOUTHERN GULF MONDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 150, 155, 160, 165, 170, 172, 179
FIRE WEATHER...NONE.

NM FEB 09