Alert archive / Alaska / Gale Warnings in 2011

Gale Warning 580, NWS Anchorage, AK

September 3, 2011

NWS Anchorage, AK issued this gale warning at Sep 3, 2011, 4:00 PM AKDT. It was in force for 4 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 3, 2011, 4:00 PM AKDT (00:00 UTC)
Expired
Sep 7, 2011, 4:00 AM AKDT
In force
4 days
Issued by
NWS Anchorage, AK

The text

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

060 
FZAK61 PAFC 032348
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SAT SEP 3 2011

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-041500-
400 PM AKDT SAT SEP 3 2011
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 997 MB LOW NEAR 58N 148W WILL DISSIPATE AS IT APPROACHES WESTERN
PRINCE WILLIAM SOUND EARLY SUN. A FRONT WILL MOVE INTO THE SOUTHWEST
GULF SUN MORNING AND STALL OVER THE NORTHERN GULF SUN NIGHT. A LOW
DEVELOPING OVER THE BERING SEA WILL RAPIDLY INTENSIFY TO 958 MB AS 
IT TRACKS TO 55N 151W MON AFTERNOON.

$$

PKZ351-041500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT SAT SEP 3 2011

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS 10 FT. 
.SUN...S WIND 15 KT INCREASING TO 25 KT IN THE AFTERNOON. SEAS 8 FT.
RAIN.
.SUN NIGHT...SE WIND 35 KT. SEAS 11 FT. RAIN.
.MON...E WIND 45 KT. SEAS 16 FT. 
.MON NIGHT...E WIND 45 KT. SEAS 21 FT. 
.TUE...SE WIND 35 KT. SEAS 22 FT. 
.WED...S WIND 35 KT. SEAS 19 FT. 
.THU...SE WIND 15 KT. SEAS 10 FT.  

$$

PKZ352-041500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT SAT SEP 3 2011

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...SW WIND 20 KT. SEAS 9 FT. 
.SUN...S WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 8 FT.
RAIN.
.SUN NIGHT...SE WIND 25 TO 35 KT. SEAS 11 FT. RAIN.
.MON...SE WIND 40 KT. SEAS 15 FT. 
.MON NIGHT...S WIND 40 KT. SEAS 18 FT. 
.TUE...S WIND 40 KT. SEAS 22 FT. 
.WED...S WIND 35 KT. SEAS 18 FT. 
.THU...S WIND 15 KT. SEAS 9 FT.  

$$
7 follow-up statements
131 
FZAK61 PAFC 041134
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SUN SEP 4 2011

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-050300-
400 AM AKDT SUN SEP 4 2011
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 996 MB LOW AT 59N 150W WILL DISSIPATE THIS AFTERNOON. A 992 MB LOW
AT 56N 157W WILL MOVE NORTHEAST AND DISSIPATE TONIGHT. A 969 MB LOW
AT 52N 159W THIS EVENING WILL MOVE TO 55N 149W MON AFTERNOON AND
DEEPEN TO 958 MB THEN MOVE TO 57N 151W AT 962 MB LATE MON NIGHT. 
$$

PKZ351-050300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKDT SUN SEP 4 2011

...STORM WARNING MONDAY...

.TODAY...S WIND 20 KT BECOMING SE 30 KT IN THE AFTERNOON. SEAS 9 FT.
RAIN.
.TONIGHT...SE WIND 35 KT. SEAS 14 FT. RAIN.
.MON...E WIND 50 KT. SEAS 20 FT. RAIN.
.MON NIGHT...SE WIND 45 KT. SEAS 24 FT. 
.TUE...S WIND 35 KT. SEAS 24 FT. 
.WED...S WIND 30 KT. SEAS 18 FT. 
.THU...SE WIND 20 KT. SEAS 11 FT.  
$$

PKZ352-050300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 AM AKDT SUN SEP 4 2011

...GALE WARNING THROUGH MONDAY...

.TODAY...S WIND 25 KT INCREASING TO 35 KT IN THE AFTERNOON. SEAS 7 FT
BUILDING TO 11 FT IN THE AFTERNOON. RAIN.
.TONIGHT...SE WIND 35 KT. SEAS 14 FT. RAIN.
.MON...SE WIND 40 KT. SEAS 18 FT. RAIN.
.MON NIGHT...S WIND 45 KT. SEAS 22 FT. 
.TUE...S WIND 40 KT. SEAS 22 FT. 
.WED...S WIND 30 KT. SEAS 19 FT. 
.THU...S WIND 15 KT. SEAS 10 FT.  
$$
208 
FZAK61 PAFC 042353
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SUN SEP 4 2011

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-051500-
400 PM AKDT SUN SEP 4 2011
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 983 MB LOW NEAR 57N 154W WILL DISSIPATE SUN EVENING. A 977 MB LOW
NEAR 53N 164W WILL MOVE TO NEAR 55N 150W AT 955 MB MON AFTERNOON THEN
TO NEAR 57N 153W AT 965 MB TUE AFTERNOON.

$$

PKZ351-051500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT SUN SEP 4 2011

...STORM WARNING MONDAY AND MONDAY NIGHT...

.TONIGHT...SE WIND 25 TO 35 KT. SEAS 12 FT. RAIN.
.MON...E WIND 40 TO 50 KT. SEAS 19 FT. RAIN.
.MON NIGHT...SE WIND 40 TO 50 KT. SEAS 26 FT. RAIN.
.TUE...S WIND 35 KT. SEAS 26 FT. 
.TUE NIGHT...S WIND 30 KT. SEAS 19 FT. 
.WED...S WIND 30 KT. SEAS 16 FT. 
.THU...SE WIND 20 KT. SEAS 11 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 5 FT.  

$$

PKZ352-051500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT SUN SEP 4 2011

...GALE WARNING THROUGH MONDAY NIGHT...

.TONIGHT...SE WIND 25 TO 35 KT. SEAS 12 FT. RAIN.
.MON...SE WIND 35 TO 45 KT...EXCEPT BECOMING VARIABLE 20 KT IN THE
AFTERNOON W OF 149W. SEAS 12 FT BUILDING TO 17 FT IN THE AFTERNOON.
RAIN.
.MON NIGHT...S WIND 45 KT. SEAS 26 FT. RAIN.
.TUE...S WIND 40 KT. SEAS 25 FT. 
.TUE NIGHT...S WIND 35 KT. SEAS 20 FT. 
.WED...S WIND 30 KT. SEAS 17 FT. 
.THU...S WIND 15 KT. SEAS 10 FT. 
.FRI...SE WIND 15 KT. SEAS 6 FT.  

$$
161 
FZAK61 PAFC 051106
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT MON SEP 5 2011

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-060300-
400 AM AKDT MON SEP 5 2011
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 960 MB LOW AT 53N 153W WILL MOVE TO 57N 151W AT 958 MB LATE 
TONIGHT THEN TO 57N 155W LATE TUE NIGHT AT 982 MB. 
$$

PKZ351-060300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKDT MON SEP 5 2011

...STORM WARNING THROUGH TONIGHT...

.TODAY...E WIND 45 TO 55 KT. SEAS 14 FT BUILDING TO 20 FT IN THE
AFTERNOON. RAIN.
.TONIGHT...SE WIND 40 TO 50 KT. SEAS 27 FT. RAIN.
.TUE...S WIND 40 KT. SEAS 27 FT. RAIN.
.TUE NIGHT...S WIND 35 KT. SEAS 20 FT. 
.WED...S WIND 35 KT. SEAS 18 FT. 
.THU...SE WIND 25 KT. SEAS 10 FT. 
.FRI...SE WIND 30 KT. SEAS 12 FT.  
$$

PKZ352-060300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 AM AKDT MON SEP 5 2011

...GALE WARNING THROUGH TUESDAY...

.TODAY...SE WIND 40 KT. SEAS 13 FT BUILDING TO 19 FT IN THE
AFTERNOON. RAIN.
.TONIGHT...S WIND 45 KT. SEAS 27 FT. RAIN.
.TUE...S WIND 40 KT. SEAS 24 FT. RAIN.
.TUE NIGHT...S WIND 35 KT. SEAS 21 FT. 
.WED...S WIND 30 KT. SEAS 19 FT. 
.THU...S WIND 20 KT. SEAS 10 FT. 
.FRI...E WIND 30 KT. SEAS 13 FT.  

$$
012 
FZAK61 PAFC 060002
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT MON SEP 5 2011

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-061500-
400 PM AKDT MON SEP 5 2011
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 955 MB LOW NEAR 55N 150W WILL MOVE TO NEAR 57N 153W AT 969 MB TUE
AFTERNOON THEN TO NEAR 59N 158W AT 993 MB WED AFTERNOON.

$$

PKZ351-061500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT MON SEP 5 2011

...STORM WARNING TONIGHT...

.TONIGHT...SE WIND 40 TO 50 KT. SEAS 25 FT. RAIN.
.TUE...S WIND 40 KT. SEAS 24 FT. RAIN.
.TUE NIGHT...S WIND 35 KT. SEAS 19 FT. RAIN.
.WED...S WIND 35 KT. SEAS 17 FT. 
.WED NIGHT...S WIND 25 KT. SEAS 13 FT. 
.THU...SE WIND 20 KT. SEAS 9 FT.
.FRI...SE WIND 30 KT. SEAS 9 FT. 
.SAT...NE WIND 30 KT. SEAS 8 FT.  

$$

PKZ352-061500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT MON SEP 5 2011

...GALE WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...S WIND 45 KT. SEAS 19 FT BUILDING TO 25 FT BY MIDNIGHT.
RAIN. 
.TUE...S WIND 40 KT. SEAS 25 FT. RAIN. 
.TUE NIGHT...S WIND 40 KT. SEAS 19 FT. RAIN.
.WED...S WIND 35 KT. SEAS 17 FT. 
.WED NIGHT...S WIND 25 KT. SEAS 13 FT. 
.THU...S WIND 15 KT. SEAS 8 FT. 
.FRI...E WIND 30 KT. SEAS 9 FT. 
.SAT...NE WIND 25 KT. SEAS 7 FT.  

$$
938 
FZAK61 PAFC 061124
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT TUE SEP 6 2011

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-070300-
400 AM AKDT TUE SEP 6 2011
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 961 MB LOW AT 57N 151W WILL MOVE TO 57N 155W LATE TONIGHT AND
WEAKEN TO 984 MB. THIS LOW WILL THEN MOVE TO 55N 159W AT 1000 MB 
BY LATE WED NIGHT. 
$$

PKZ351-070300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKDT TUE SEP 6 2011

...GALE WARNING THROUGH TONIGHT...

.TODAY...S WIND 30 TO 40 KT. SEAS 15 TO 21 FT. RAIN SHOWERS. 
.TONIGHT...S WIND 25 TO 35 KT. SEAS 12 TO 19 FT. RAIN SHOWERS. 
.WED...S WIND 30 KT. SEAS 12 FT. RAIN.
.WED NIGHT...SE WIND 15 TO 25 KT. SEAS 12 FT. 
.THU...E WIND 10 TO 20 KT. SEAS 9 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 6 FT. 
.SAT...NE WIND 20 KT. SEAS 6 FT. 

$$

PKZ352-070300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W
400 AM AKDT TUE SEP 6 2011

...GALE WARNING THROUGH TONIGHT...

.TODAY...E OF 149W...S WIND 40 KT. SEAS 16 TO 21 FT. W OF 149W...SW
WIND 25 KT. SEAS 10 FT. RAIN.
.TONIGHT...S WIND 25 TO 35 KT. SEAS 10 TO 17 FT. RAIN SHOWERS. 
.WED...S WIND 20 TO 30 KT. SEAS 12 FT. 
.WED NIGHT...S WIND 15 TO 25 KT. SEAS 12 FT. 
.THU...SE WIND 10 TO 20 KT. SEAS 9 FT.
.FRI...SE WIND 15 KT. SEAS 7 FT. 
.SAT...NE WIND 30 KT. SEAS 11 FT.  

$$
679 
FZAK61 PAFC 062356
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT TUE SEP 6 2011

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-071500-
400 PM AKDT TUE SEP 6 2011
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 976 MB LOW NEAR 58N 152W WILL MOVE TO NEAR 56N 157W AT 996 MB WED
AFTERNOON THEN TO NEAR 49N 157W AT 1006 THU AFTERNOON.
$$

PKZ351-071500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT TUE SEP 6 2011

...GALE WARNING TONIGHT...

.TONIGHT...S WIND 35 KT. SEAS 20 FT. RAIN.
.WED...S WIND 30 KT. SEAS 16 FT. RAIN.
.WED NIGHT...SE WIND 25 KT. SEAS 12 FT. 
.THU...SE WIND 20 KT. SEAS 10 FT. 
.THU NIGHT AND FRI...E WIND 10 KT. SEAS 7 FT. 
.SAT...E WIND 20 KT. SEAS 7 FT. 
.SUN...E WIND 30 KT. SEAS 7 FT.  

$$

PKZ352-071500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT TUE SEP 6 2011

...GALE WARNING TONIGHT...

.TONIGHT...S WIND 35 KT. SEAS 19 FT. RAIN.
.WED...S WIND 30 KT. SEAS 16 FT. 
.WED NIGHT...S WIND 25 KT. SEAS 12 FT. 
.THU...SE WIND 20 KT. SEAS 9 FT. 
.THU NIGHT AND FRI...SE WIND 10 KT. SEAS 7 FT. 
.SAT...NE WIND 25 KT. SEAS 7 FT.
.SUN...NE WIND 30 KT. SEAS 11 FT.  

$$
761 
FZAK61 PAFC 071158
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT WED SEP 7 2011

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-080300-
400 AM AKDT WED SEP 7 2011
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 986 MB LOW NEAR 57N 155W WILL MOVE TO NEAR 56N 158W AT 999 MB 
WED EVENING THEN DISSIPATE THU MORNING. A 1003 MB LOW WILL MOVE 
FROM THE NORTH PACIFIC TO 55N 150W THU NIGHT.
$$

PKZ351-080300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKDT WED SEP 7 2011

.TODAY...S WIND 30 KT. SEAS 15 FT. RAIN.
.TONIGHT...SE WIND 15 TO 25 KT. SEAS 12 FT. 
.THU...E WIND 10 TO 20 KT. SEAS 9 FT. 
.THU NIGHT AND FRI...VARIABLE WIND 15 KT. SEAS 6 FT. 
.SAT...E WIND 15 KT. SEAS 5 FT. 
.SUN...E WIND 35 KT. SEAS 15 FT.  

$$

PKZ352-080300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W
400 AM AKDT WED SEP 7 2011

.TODAY...S WIND 20 TO 30 KT. SEAS 15 FT. 
.TONIGHT...SE WIND 15 TO 25 KT. SEAS 12 FT. 
.THU...E WIND 10 TO 20 KT. SEAS 8 FT. 
.THU NIGHT...E WIND 10 TO 20 KT. SEAS 7 FT. 
.FRI...SW WIND 20 KT. SEAS 7 FT. 
.SAT...E WIND 15 KT. SEAS 5 FT. 
.SUN...E WIND 40 KT. SEAS 16 FT.  

$$

What forecasters said that day

The local office's own words before this gale warning 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 gale warning went out at Sep 3, 12:30 PM AKDT, 3 hours 30 minutes earlier.

Area forecast discussion, Sep 3, 12:30 PM AKDT, 3 hours 30 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
1230 PM AKDT SAT SEP 3 2011

.ANALYSIS AND UPPER LEVELS...A HIGH AMPLITUDE TROUGH IS CENTERED
OVER THE GULF AND SOUTHCENTRAL WITH A DISSIPATING LOW NEARLY
STATIONARY OVER THE NORTHWEST GULF. THE BULK OF RAIN IS CONFINED
TO COASTAL AREAS...ALTHOUGH WITH WEAK WAVES EMBEDDED IN UPPER
FLOW DO EXPECT AREAS OF LIGHT RAIN OR SHOWERS TO DEVELOP INLAND
THIS AFTERNOON. WATER VAPOR IMAGERY HOWS A SHARP SHORT-WAVE RAPIDLY
DIGGING DOWN THE BACK SIDE OF THE TROUGH WITH THE HELP OF A STRONG
SUBTROPICAL JET (WHICH MODELS INDICATE TO BE AROUND 160 KTS). THERE
IS A WEAK SURFACE LOW WITH THIS DROPPING SOUTHEASTWARD OFF THE
SOUTHWEST ALASKA COAST. ALSO OF NOTE IS AN AREA OF DEEP MOISTURE
(WITH 200%+ OF NORMAL PRECIPITABLE WATER) FROM THE WEST PACIFIC
TROPICS NORTHEASTWARD TO KAMCHATKA PENINSULA AND THEN EASTWARD
ACROSS THE ALEUTIANS.

.MODEL DISCUSSION...MODELS ARE IN VERY GOOD AGREEMENT WITH EVOLUTION
OF MAJOR LOW AND FORECAST CONFIDENCE IS ABOVE AVERAGE. THE ONE
NOTABLE DIFFERENCE IS HANDLING OF THE SHORT-AVE CURRENTLY DIGGING
SOUTHWARD ACROSS THE BERING SEA. THE NAM IS THE BIGGEST OUTLIER
IN SWINGING THIS NORTHWARD ACROSS THE ANCHORAGE AREA SUNDAY NIGHT
WHILE OTHER MODELS KEEP IT SOMEWHERE FARTHER SOUTH. THIS AFFECTS
THE POSITION OF A WEAKENING FRONT OVER THE NORTH GULF COAST WITH
THE NAM BRINGING STRONG WINDS AHEAD OF THIS FRONT INTO PRINCE
WILLIAM SOUND. WILL IGNORE THE NAM SOLUTION FOR NOW.

.SHORT TERM FORECAST...

SOUTHCENTRAL ALASKA...THE UPPER LOW OVER THE GULF WILL OPEN UP INTO
A TROUGH TONIGHT AND EXIT TO THE NORTHEAST LEAVING THE SURFACE LOW
TO DISSIPATE EAST OF SEWARD. RAIN ALONG THE COAST WILL BE RE-INFORCED
AS BERING SHORT-WAVE APPROACHES LATE TONIGHT AND SUNDAY. INLAND
AREAS WILL CONTINUE TO EXPERIENCE VERY WEAK LIFT ASSOCIATED WITH
UPPER WAVES...SO A CHANCE OF LIGHT RAIN OR SHOWERS WILL CONTINUE.
A RAPIDLY INTENSIFYING LOW WILL SOUTH OF THE ALASKA PENINSULA SUNDAY
AFTERNOON WILL MOVE INTO THE WESTERN GULF BY MONDAY AFTERNOON. THE
INFLUENCE OF THIS LOW WILL BEGIN TO BE FELT SUNDAY NIGHT ACROSS THE
GULF WATERS AND WINDS WILL RAPIDLY INCREASE DURING THE DAY MONDAY.
WIDESPREAD STORM FORCE WINDS ARE EXPECTED ALONG THE GULF COAST AS
THE CENTRAL PRESSURE OF THIS LOW DROPS INTO THE 950S. THERE MIGHT
BE A BRIEF BREAK IN CLOUDS OVER INTERIOR SOUTHCENTRAL AS LOW LEVEL
FLOW SHIFTS TO OFFSHORE AHEAD OF THE DEVELOPING LOW...BUT THIS WILL
BE SHORT-LIVED AS UPPER WAVES MOVING AROUND THE LOW WORK THERE WAY
UP TO SOUTHCENTRAL BY TUESDAY.

SOUTHWEST ALASKA...EFFECTS OF THE EASTERN BERING LOW WILL BE
LIMITED TO COASTAL SOUTHWEST ALASKA WITH UPPER TROUGH DIGGING
SOUTH-SOUTHEASTWARD. HOWEVER...A VERY WEAK UPPER WAVE CURRENTLY
OVERHEAD OF SOUTHWEST ALASKA WILL CONTINUE TO PRODUCE SHOWERS
OR LIGHT RAIN INLAND THROUGH TONIGHT. ALL THE ACTION WILL SHIFT
SOUTHWARD LATE SUNDAY THROUGH MONDAY WITH DEVELOPMENT OF MAJOR LOW.
BRISTOL BAY WILL SEE SOME MOISTURE COMING OVER-TOP OF THE ALEUTIAN
RANGE. OTHERWISE...FLOW OVER SOUTHWEST ALASKA WILL SHIFT TO OFFSHORE
AND DRY CONDITIONS WILL PREVAIL.

BERING SEA/ALEUTIANS...A SHORT-WAVE COMING OUT OF ASIA IS ONE OF
THE KEYS TO DEVELOPMENT OF MAJOR LOW SOUTH OF THE ALASKA PENINSULA.
UPPER JET WILL DRIVE THIS SHORT-WAVE RAPIDLY EASTWARD TONIGHT AND
SUNDAY. AS MAJOR LOW THEN DEVELOPS STRONG NORTHERLY FLOW AND COLD
ADVECTION WILL ENSUE ACROSS THE BERING SEA AND ALEUTIANS. THIS
FALL-TYPE PATTERN WILL LEAD TO VERY GUSTY WINDS ALONG WITH SHOWERS.

.LONG TERM FORECAST...A HIGH AMPLITUDE TROUGH WILL PERSIST FROM
MAINLAND ALASKA TO THE NORTHEAST PACIFIC DURING THE DAY 4 THROUGH 7
TIME PERIOD. THE VERY DEEP SURFACE LOW WILL VERY GRADUALLY WEAKEN
SOMEWHERE NEAR THE ALASKA PENINSULA AS WE HEAD THROUGH NEXT WEEK.
GREATEST IMPACT WILL REMAIN ALONG THE COAST...BUT UPPER LEVEL WAVES
TRAVELING AROUND THE LOW CENTER WILL PROVIDE A CHANCE OF RAIN INLAND
AS WELL. THE PICTURE BECOMES A LITTLE FUZZIER AT THE END OF NEXT WEEK
AND INTO THE WEEKEND AS MORE ENERGY MOVING OUT OF ASIA TRIES TO MOVE
INTO THE BACK SIDE OF THE WEAKENING TROUGH.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE WARNING 120 170 172 175 176.
FIRE WEATHER...NONE.

SEB SEP 11

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 4:00 PM AKDTGale WarningAFC5 days
Sep 3, 4:00 PM AKDTGale WarningAFC12 hr
Sep 3, 4:00 PM AKDTGale WarningAFC9 days
Sep 3, 4:00 PM AKDTSmall Craft AdvisoryAFC12 hr
Sep 3, 4:00 PM AKDTSmall Craft AdvisoryAFC24 hr
Sep 4, 4:00 AM AKDTGale WarningAFC3 days
Sep 4, 4:00 AM AKDTGale WarningAFC8 days
Sep 4, 4:00 AM AKDTGale WarningAFC48 hr
Sep 4, 4:00 AM AKDTSmall Craft AdvisoryAFC17 hr
Sep 4, 4:00 AM AKDTStorm WarningAFC48 hr
Sep 4, 4:00 AM AKDTStorm WarningAFC48 hr

Nearby

Gale Warnings in Alaska, 2011Every gale warning 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.