Gale Warning 604, NWS Anchorage, AK

000 
FZAK61 PAFC 262256
OFFAER

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SUN OCT 26 2008

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.

PKZ399-271400-
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 995 MB LOW NEAR 58N 145W WILL WEAKEN TO 1003 MB NEAR 59N 142W MON
AFTERNOON THEN WILL BECOME NEARLY STATIONARY OVER THE NORTHERN GULF
AND WEAKEN TO 1012 MB TUE AFTERNOON.

$$

PKZ351-271400-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT SUN OCT 26 2008

.TONIGHT...NW WIND 30 KT. SEAS 16 FT. RAIN SHOWERS. 
.MON...NW WIND 25 KT. SEAS 11 FT. 
.MON NIGHT...NW WIND 20 KT. SEAS 8 FT. 
.TUE...N WIND 15 KT. SEAS 7 FT. 
.TUE NIGHT...SW WIND 20 KT. SEAS 4 FT. 
.WED...S WIND 25 KT. SEAS 10 FT. 
.THU...SW WIND 25 KT. SEAS 10 FT. 
.FRI...S WIND 30 KT. SEAS 11 FT.  

$$

PKZ352-271400-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT SUN OCT 26 2008

.TONIGHT...NW WIND 30 KT. SEAS 17 FT. RAIN SHOWERS. 
.MON...NW WIND 25 KT. SEAS 10 FT. 
.MON NIGHT...W WIND 20 KT. SEAS 9 FT. RAIN SHOWERS. 
.TUE...NW WIND 15 KT. SEAS 7 FT. 
.TUE NIGHT...SW WIND 30 KT. SEAS 8 FT. 
.WED...S WIND 25 KT. SEAS 11 FT. 
.THU...NW WIND 25 KT. SEAS 11 FT. 
.FRI...W WIND 15 KT. SEAS 9 FT.  

$$

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM AKDT SAT OCT 25 2008

.MODEL DISCUSSION...
MODELS HAVE COME INTO GOOD AGREEMENT ON THE NEXT STORM MOVING INTO
THE GULF THROUGH MONDAY. THE NEW SET OF MODELS HAVE STRENGTHEN THE
UPPER TROUGH MOVING THROUGH THE CENTRAL INTERIOR OVER THE NEXT TWO
DAYS.

.ANALYSIS AND UPPER LEVELS...
THE MAIN UPPER LOW OVER THE NORTHERN INTERIOR CONTINUES TO WEAKEN AS
A NEW CENTER DEVELOPS OVER THE BEAUFORT SEA. AN UPPER TROUGH OVER THE
WESTERN MAINLAND IS MOVE EAST AN HAS PRODUCED SOME LIKE SNOW OVER THE
SOUTHWEST INTERIOR. AN UPPER RIDGE OVER THE KAMCHATKA PENINSULA
CONTINUES TO MOVE EAST.

AT THE SURFACE...A LARGE INTENSE 988 MB LOW SOUTH OF KODIAK ISLAND
CONTINUES TO MOVE NORTHEAST TOWARD THE GULF OF ALASKA. A WARM FRONT
OVER BRISTOL BAY AND AND THE COOK INLET IS PRODUCING A NARROW BAND OF
SNOW JUST AHEAD OF ITSELF. A BROAD RIDGE OF HIGH PRESSURE IS SLOWLY
MOVING EAST ACROSS THE GULF OF ALASKA.

.SHORT TERM FORECAST...
THE UPPER TROUGH OVER WESTERN ALASKA WILL MOVE INTO THE SOUTHCENTRAL
INTERIOR SUNDAY AND INTO NORTHWEST CANADA MONDAY. THE UPPER RIDGE
WEST OF THE BERING SEA WILL MOVE EAST INTO WESTERN ALASKA BY MONDAY
EVENING.

THE BAND OF LIGHT SNOW OVER THE KENAI PENINSULA WILL MOVE NORTH INTO
THE SUSITNA VALLEY TONIGHT.

THE LARGE 988 MB LOW SOUTH OF KODIAK ISLAND WILL CONTINUE TO MOVE
NORTHEAST THROUGH THE GULF OF ALASKA AND WEAKEN TO A 1006 MB ABOUT 50
MILES SOUTHEAST OF YAKUTAT MONDAY AFTERNOON. THE ASSOCIATED WEATHER
FRONT WILL MOVE NORTHEAST WITH THE LOW INTO THE GULF OF ALASKA
TONIGHT AND ONTO THE CENTRAL GULF COAST AND SOUTHEAST ALASKA SUNDAY
AFTERNOON THEN WEAKEN OVER OVER EASTERN COPPER RIVER BASIN AND THE
YUKON TERRITORY SUNDAY NIGHT AND MONDAY. AN AREA STORM FORCE WINDS
AHEAD OF THE FRONT WILL MOVE INTO THE WATERS EAST OF KODIAK ISLAND
AND SOUTH OF THE ALASKA PENINSULA THIS EVENING AND SPREAD INTO ALONG
THE NORTHERN GULF TONIGHT THEN WILL DIMINISH THROUGH SUNDAY AS THE
FRONT MOVES ONSHORE. RAIN AND SNOW WILL MOVE INTO KODIAK ISLAND THIS
EVENING AND WILL TURN TO SNOW BY MIDNIGHT THEN BECOME SCATTERED SNOW
SHOWERS SUNDAY. SNOW WILL SPREAD INTO KENAI PENINSULA AND PRINCE
WILLIAM SOUND LATE TONIGHT AND INTO THE EASTERN COPPER RIVER BASIN
SUNDAY THEN CHANGE TO SNOW SHOWERS FROM THE WEST SUNDAY NIGHT AND
MONDAY. THERE WILL BE A CHANCE OF SNOW FOR ANCHORAGE AND THE
MATANUSKA VALLEY TONIGHT.

A RIDGE OF HIGH PRESSURE OVER THE BERING SEA WILL MOVE EAST BUILD
INTO WESTERN ALASKA TONIGHT AND SUNDAY. NORTH TO NORTHEAST FLOW OVER
SOUTHWEST ALASKA WILL CONTINUE TO MOVE DRIER COLDER AIR INTO THE
REGION. CLOUDS COVER WILL DIMINISH TONIGHT TO BECOME MOSTLY CLEAR
SUNDAY. AREAS OF FOG WILL FORM ALONG THE COAST LATE TONIGHT AND EARLY
SUNDAY MORNING.

A NEW STORM SOUTH OF THE KAMCHATKA PENINSULA SUNDAY WILL INTENSIFY
AND MOVE INTO THE CENTRAL BERING SEA MONDAY. GALE FORCE WINDS ALONG
THE EAST SIDE OF THE STORM WILL MOVE INTO THE WESTERN ALEUTIANS AND
WESTERN BERING SUNDAY AND WILL INCREASE TO STORM FORCE WINDS OVER THE
CENTRAL ALEUTIANS AND CENTRAL BERING SEA MONDAY AFTERNOON.

.LONG TERM FORECAST...
THE REMAINS OF THE LOW IN THE GULF WILL MOVE INLAND OVER WESTERN
CANADA TUESDAY. THE LARGE STORM OVER THE CENTRAL BERING WILL DRIFT
INTO THE EASTERN BERING BY WEDNESDAY. THE FRONT WILL MOVE THROUGH
WESTERN ALASKA TUESDAY AND WEDNESDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...STORM 120, 130, 132, 150
          GALE 125, 138, 175, 178.
FIRE WEATHER...NONE.

NM OCT 08