Alert archive / Alaska / Gale Warnings in 2010

Gale Warning 424, NWS Anchorage, AK

May 19, 2010

NWS Anchorage, AK issued this gale warning at May 19, 2010, 4:00 PM AKDT. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 19, 2010, 4:00 PM AKDT (00:00 UTC)
Expired
May 20, 2010, 4:00 PM AKDT
In force
24 hr
Issued by
NWS Anchorage, AK

The text

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

193 
FZAK51 PAFC 192303
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 PM AKDT WED MAY 19 2010

COASTAL WATERS FORECAST FOR THE NORTHERN GULF OF ALASKA COAST
UP TO 100 NM OUT INCLUDING KODIAK ISLAND AND COOK INLET.

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.

PKZ197-201400-
400 PM AKDT WED MAY 19 2010
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A 994 MB LOW 135 NM EAST OF KODIAK CITY WILL MOVE TO 75 NM SOUTHWEST
OF SITKINAK AT 1001 MB THU AFTERNOON AND THEN REMAIN NEARLY
STATIONARY AND DISSIPATE FRI MORNING. HIGH PRESSURE WILL BUILD OVER
THE CENTRAL GULF FRI. 

$$

PKZ120-201400-
CAPE SUCKLING TO GORE POINT
400 PM AKDT WED MAY 19 2010

...GALE WARNING TONIGHT...

.TONIGHT...E WIND 35 KT. SEAS 6 FT BUILDING TO 11 FT AFTER MIDNIGHT.
RAIN. 
.THU...SE WIND 20 KT BECOMING NW IN THE AFTERNOON. SEAS 9 FT. 
.THU NIGHT...W WIND 20 KT. SEAS 6 FT. 
.FRI...W WIND 15 KT. SEAS 6 FT. 
.FRI NIGHT AND SAT...SW WIND 15 KT. SEAS 6 FT. 
.SUN AND MON...VARIABLE WIND 10 KT. SEAS 4 FT.  

$$

PKZ121-201400-
RESURRECTION BAY
400 PM AKDT WED MAY 19 2010

.TONIGHT...VARIABLE WIND 10 KT OR LESS BECOMING N 15 KT BY MIDNIGHT.
SEAS 3 FT. HIGHER WINDS AND SEAS S OF CAINES HEAD. RAIN. 
.THU...N WIND 10 KT BECOMING S IN THE AFTERNOON. SEAS 2 FT. HIGHER
SEAS S OF CAINES HEAD. 
.THU NIGHT...S WIND 10 KT BECOMING N AFTER MIDNIGHT. SEAS 2 FT. 
.FRI...N WIND 10 KT. SEAS 2 FT. 
.FRI NIGHT...S WIND 10 KT. SEAS 2 FT. 
.SAT...S WIND 15 KT. SEAS 3 FT. 
.SUN AND MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.  

$$

PKZ125-201400-
PRINCE WILLIAM SOUND
400 PM AKDT WED MAY 19 2010

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...E WIND 25 KT. SEAS 6 FT. RAIN. 
.THU...NE WIND 10 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS 2 FT. 
.THU NIGHT...W WIND 15 KT. SEAS 3 FT. 
.FRI AND FRI NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 
.SAT...S WIND 10 KT. SEAS 2 FT. 
.SUN...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 
.MON...E WIND 10 KT. SEAS 2 FT.  

$$

PKZ129-201400-
PASSAGE CANAL
400 PM AKDT WED MAY 19 2010

.TONIGHT...E WIND 20 KT. SEAS 4 FT. RAIN. 
.THU...VARIABLE WIND LESS THAN 10 KT BECOMING W 15 KT IN THE
AFTERNOON. SEAS 2 FT. 
.THU NIGHT...W WIND 20 KT. SEAS 3 FT. 
.FRI...W WIND 10 KT. SEAS 2 FT. 
.FRI NIGHT THROUGH MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.  

$$

PKZ130-201400-
BARREN ISLANDS AND KAMISHAK BAY WATERS
400 PM AKDT WED MAY 19 2010

...GALE WARNING TONIGHT...

.TONIGHT...NE WIND 25 KT INCREASING TO 35 KT BY LATE EVENING. SEAS 3
FT BUILDING TO 10 FT AFTER MIDNIGHT. RAIN. 
.THU...E WIND 30 KT DIMINISHING TO 20 KT IN THE AFTERNOON. SEAS
11 FT. 
.THU NIGHT...VARIABLE WIND 10 KT BECOMING W 15 KT AFTER MIDNIGHT.
SEAS 6 FT. 
.FRI...W WIND 15 KT. SEAS 4 FT. 
.FRI NIGHT...S WIND 15 KT. SEAS 4 FT. 
.SAT...SW WIND 15 KT. SEAS 5 FT. 
.SUN AND MON...VARIABLE WIND 10 KT. SEAS 4 FT.  

$$

PKZ132-201400-
SHUYAK ISLAND TO SITKINAK
400 PM AKDT WED MAY 19 2010

...SMALL CRAFT ADVISORY THURSDAY...

.TONIGHT...NE WIND 20 KT. SEAS 6 FT. RAIN. 
.THU...E WIND 25 KT. SEAS 8 FT. 
.THU NIGHT...E WIND 20 KT. SEAS 6 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 5 FT. 
.FRI NIGHT AND SAT...SW WIND 15 KT. SEAS 5 FT. 
.SUN...S WIND 15 KT. SEAS 5 FT. 
.MON...N WIND 15 KT. SEAS 5 FT.  

$$

PKZ138-201400-
SHELIKOF STRAIT
400 PM AKDT WED MAY 19 2010

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...NE WIND 20 KT INCREASING TO 35 KT AFTER MIDNIGHT. SEAS
3 FT BUILDING TO 10 FT AFTER MIDNIGHT. RAIN. 
.THU...NE WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS
10 FT. 
.THU NIGHT...NE WIND 25 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. SEAS
5 FT. 
.FRI THROUGH MON...VARIABLE WIND 10 KT. SEAS 2 FT.  

$$

PKZ140-201400-
COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY
400 PM AKDT WED MAY 19 2010

.TONIGHT...VARIABLE WIND 10 KT BECOMING NE 20 KT AFTER MIDNIGHT. 
SEAS 4 FT. RAIN. 
.THU...NE WIND 20 KT DIMINISHING TO 10 KT IN THE AFTERNOON. 
SEAS 4 FT. 
.THU NIGHT...W WIND 10 KT. SEAS 2 FT. 
.FRI...N WIND 10 KT. SEAS 2 FT. 
.FRI NIGHT...SW WIND 15 KT. SEAS 3 FT. 
.SAT...SW WIND 10 KT. SEAS 2 FT. 
.SUN AND MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.  

$$

PKZ141-201400-
KACHEMAK BAY
400 PM AKDT WED MAY 19 2010

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...VARIABLE WIND 10 KT OR LESS BECOMING NE 25 KT AFTER
MIDNIGHT. SEAS 4 FT. RAIN. 
.THU...NE WIND 25 KT BECOMING VARIABLE 10 KT OR LESS IN THE
AFTERNOON. SEAS 4 FT. 
.THU NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. 
.FRI...W WIND 10 KT. SEAS 2 FT. 
.FRI NIGHT...SW WIND 15 KT. SEAS 3 FT. 
.SAT...SW WIND 10 KT. SEAS 3 FT. 
.SUN AND MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.  

$$
2 follow-up statements
619 
FZAK51 PAFC 201156
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKDT THU MAY 20 2010

COASTAL WATERS FORECAST FOR THE NORTHERN GULF OF ALASKA COAST
UP TO 100 NM OUT INCLUDING KODIAK ISLAND AND COOK INLET.

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.

PKZ197-210200-
400 AM AKDT THU MAY 20 2010
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...
A 996 MB LOW 70 NM SOUTH OF KODIAK WILL MOVE TO NEAR CHIRIKOF ISLAND
AT 1004 MB THURSDAY NIGHT...THEN WEAKEN AND DISSIPATE FRIDAY
AFTERNOON WITH LITTLE CHANGE IN POSITION. A WEAK TROUGH OF LOW
PRESSURE WILL DEVELOP OVER THE FAR NORTHEASTERN GULF FRIDAY MORNING
AND DISSIPATE LATE FRIDAY NIGHT. HIGH PRESSURE WILL THEN BUILD ACROSS
THE REMAINDER OF THE GULF THROUGH SATURDAY.

$$

PKZ120-210200-
CAPE SUCKLING TO GORE POINT
400 AM AKDT THU MAY 20 2010

...SMALL CRAFT ADVISORY TODAY...

.TODAY...SE WIND 25 KT BECOMING W 15 KT IN THE AFTERNOON. SEAS 9 FT
SUBSIDING TO 6 FT. 
.TONIGHT...W WIND 20 KT. SEAS 5 FT. 
.FRI...W WIND 15 KT. SEAS 5 FT. 
.FRI NIGHT...SW WIND 15 KT. SEAS 6 FT. 
.SAT...SW WIND 15 KT. SEAS 6 FT. 
.SUN AND MON...VARIABLE WIND 10 KT. SEAS 4 FT. 

$$

PKZ121-210200-
RESURRECTION BAY
400 AM AKDT THU MAY 20 2010

.TODAY...S WIND 15 KT. SEAS 2 FT. HIGHER SEAS S OF CAINES HEAD. 
.TONIGHT...S WIND 15 KT BECOMING N 10 KT AFTER MIDNIGHT. SEAS 2 FT. 
.FRI...VARIABLE WIND LESS THAN 10 KT BECOMING S 15 KT IN THE
AFTERNOON. SEAS 2 FT. 
.FRI NIGHT AND SAT...S WIND 15 KT. SEAS 3 FT. 
.SUN AND MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 

$$

PKZ125-210200-
PRINCE WILLIAM SOUND
400 AM AKDT THU MAY 20 2010

.TODAY...E WIND 20 KT BECOMING SW 15 KT IN THE AFTERNOON. SEAS 4 FT
SUBSIDING TO 2 FT.
.TONIGHT...W WIND 15 KT. SEAS 3 FT. 
.FRI...VARIABLE WIND LESS THAN 10 KT BECOMING SE 10 KT IN THE
AFTERNOON. SEAS 2 FT. 
.FRI NIGHT...W WIND 10 KT. SEAS 2 FT. 
.SAT...S WIND 10 KT. SEAS 2 FT. 
.SUN AND MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 

$$

PKZ129-210200-
PASSAGE CANAL
400 AM AKDT THU MAY 20 2010

.TODAY...E WIND 20 KT IN THE MORNING BECOMING VARIABLE LESS THAN
10 KT. SEAS 3 FT SUBSIDING TO 1 FOOT. RAIN SHOWERS. 
.TONIGHT...W WIND 15 KT. GUSTS TO 25 KT NEAR WHITTIER. SEAS 2 FT. 
.FRI...W WIND 10 KT IN THE MORNING BECOMING VARIABLE LESS THAN
10 KT. SEAS 2 FT. 
.FRI NIGHT THROUGH MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 

$$

PKZ130-210200-
BARREN ISLANDS AND KAMISHAK BAY WATERS
400 AM AKDT THU MAY 20 2010

...GALE WARNING TODAY...

.TODAY...E OF THE BARREN ISLANDS...NE WIND 35 KT BECOMING SE 25 KT IN
THE AFTERNOON. SEAS 10 FT. W OF BARREN ISLANDS...NE WIND 15 KT
BECOMING SE 20 KT IN THE AFTERNOON. SEAS BUILDING TO 7 FT.  
.TONIGHT...SE WIND 20 KT. SEAS 6 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 4 FT. 
.FRI NIGHT AND SAT...S WIND 15 KT. SEAS 4 FT. 
.SUN AND MON...VARIABLE WIND 10 KT. SEAS 3 FT. 

$$

PKZ132-210200-
SHUYAK ISLAND TO SITKINAK
400 AM AKDT THU MAY 20 2010

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NE WIND 25 KT BECOMING SE 20 KT IN THE AFTERNOON. SEAS 8 
FT.
.TONIGHT...SE WIND 20 KT. SEAS 7 FT. 
.FRI...SE WIND 15 KT. SEAS 7 FT. 
.FRI NIGHT...SW WIND 15 KT. SEAS 6 FT. 
.SAT...S WIND 15 KT. SEAS 5 FT. 
.SUN...VARIABLE WIND 10 KT. SEAS 4 FT. 
.MON...N WIND 15 KT. SEAS 7 FT.  

$$

PKZ138-210200-
SHELIKOF STRAIT
400 AM AKDT THU MAY 20 2010

...GALE WARNING TODAY...

.TODAY...NE WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS 9
FT SUBSIDING TO 6 FT. RAIN SHOWERS. 
.TONIGHT...NE WIND 25 KT. SEAS 6 FT. 
.FRI...NE WIND 20 KT. SEAS 4 FT. 
.FRI NIGHT THROUGH MON...VARIABLE WIND 10 KT. SEAS 2 FT. 

$$

PKZ140-210200-
COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY
400 AM AKDT THU MAY 20 2010

.TODAY...NE WIND 15 KT BECOMING VARIABLE 10 KT IN THE AFTERNOON. 
SEAS 3 FT. 
.TONIGHT...SW WIND 10 KT. SEAS 2 FT. 
.FRI...VARIABLE WIND LESS THAN 10 KT BECOMING N 10 KT IN THE
AFTERNOON. SEAS 2 FT. 
.FRI NIGHT...SW WIND 15 KT. SEAS 3 FT. 
.SAT AND SUN...SW WIND 10 KT. SEAS 2 FT. 
.MON...W WIND 10 KT. SEAS 2 FT.  

$$

PKZ141-210200-
KACHEMAK BAY
400 AM AKDT THU MAY 20 2010

.TODAY...SE WIND 15 KT SHIFTING TO THE SW IN THE AFTERNOON. SEAS 3
FT.
.TONIGHT...W WIND 15 KT BECOMING NE 10 KT AFTER MIDNIGHT. SEAS 4 FT
SUBSIDING TO 2 FT AFTER MIDNIGHT. 
.FRI...VARIABLE WIND LESS THAN 10 KT BECOMING W 15 KT IN THE
AFTERNOON. SEAS 3 FT. 
.FRI NIGHT...SW WIND 15 KT. SEAS 4 FT. 
.SAT...SW WIND 20 KT. SEAS 4 FT. 
.SUN...SW WIND 10 KT. SEAS 3 FT. 
.MON...NW WIND 10 KT. SEAS 3 FT.  

$$
126 
FZAK51 PAFC 202338
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 PM AKDT THU MAY 20 2010

COASTAL WATERS FORECAST FOR THE NORTHERN GULF OF ALASKA COAST
UP TO 100 NM OUT INCLUDING KODIAK ISLAND AND COOK INLET.

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.

PKZ197-211400-
400 PM AKDT THU MAY 20 2010
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A 1001 MB LOW NEAR SITKINAK WILL REMAIN NEARLY STATIONARY AND
DISSIPATE FRI AFTERNOON. HIGH PRESSURE WILL THEN BUILD ACROSS THE
REMAINDER OF THE GULF THROUGH SAT.

$$

PKZ120-211400-
CAPE SUCKLING TO GORE POINT
400 PM AKDT THU MAY 20 2010

.TONIGHT...W WIND 20 KT. SEAS 6 FT. 
.FRI...W WIND 15 KT. SEAS 5 FT. 
.FRI NIGHT AND SAT...SW WIND 15 KT. SEAS 5 FT. 
.SAT NIGHT AND SUN...VARIABLE WIND 10 KT. SEAS 3 FT. 
.MON...NE WIND 10 KT. SEAS 4 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT.  

$$

PKZ121-211400-
RESURRECTION BAY
400 PM AKDT THU MAY 20 2010

.TONIGHT...S WIND 10 KT BECOMING N AFTER MIDNIGHT. SEAS 2 FT. 
.FRI...VARIABLE WIND LESS THAN 10 KT BECOMING S 15 KT IN THE
AFTERNOON. SEAS 2 FT. 
.FRI NIGHT...S WIND 15 KT IN THE EVENING BECOMING VARIABLE LESS THAN
10 KT. SEAS 3 FT. 
.SAT THROUGH SUN...S WIND 15 KT. SEAS 3 FT. 
.MON AND TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 

$$

PKZ125-211400-
PRINCE WILLIAM SOUND
400 PM AKDT THU MAY 20 2010

.TONIGHT...W WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. SEAS
3 FT. 
.FRI...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 
.FRI NIGHT...SW WIND 10 KT. SEAS 2 FT. 
.SAT...S WIND 10 KT. SEAS 2 FT. 
.SAT NIGHT THROUGH TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 

$$

PKZ129-211400-
PASSAGE CANAL
400 PM AKDT THU MAY 20 2010

.TONIGHT...W WIND 15 KT. SEAS 2 FT. 
.FRI...W WIND 10 KT IN THE MORNING BECOMING VARIABLE LESS THAN
10 KT. SEAS 2 FT. 
.FRI NIGHT THROUGH TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 

$$

PKZ130-211400-
BARREN ISLANDS AND KAMISHAK BAY WATERS
400 PM AKDT THU MAY 20 2010

.TONIGHT...SE WIND 15 KT. SEAS 6 FT. 
.FRI AND FRI NIGHT...SE WIND 10 KT. SEAS 4 FT. 
.SAT...S WIND 15 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 15 KT. SEAS 4 FT. 
.SUN...VARIABLE WIND 10 KT. SEAS 3 FT. 
.MON AND TUE...VARIABLE WIND 10 KT. SEAS 2 FT WEST OF THE BARREN
ISLANDS...5 FT EAST OF THE BARREN ISLANDS. 

$$

PKZ132-211400-
SHUYAK ISLAND TO SITKINAK
400 PM AKDT THU MAY 20 2010

.TONIGHT...SE WIND 20 KT. SEAS 7 FT. 
.FRI...SE WIND 15 KT. SEAS 7 FT. 
.FRI NIGHT AND SAT...SW WIND 15 KT. SEAS 5 FT. 
.SAT NIGHT...SE WIND 15 KT. SEAS 4 FT. 
.SUN...VARIABLE WIND 10 KT. SEAS 5 FT. 
.MON AND TUE...N WIND 15 KT. SEAS 6 FT. 

$$

PKZ138-211400-
SHELIKOF STRAIT
400 PM AKDT THU MAY 20 2010

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE WIND 25 KT. SEAS 6 FT. 
.FRI...NE WIND 20 KT BECOMING VARIABLE 10 KT IN THE AFTERNOON. SEAS 3
FT. 
.FRI NIGHT THROUGH TUE...VARIABLE WIND 10 KT. SEAS 2 FT. 

$$

PKZ140-211400-
COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY
400 PM AKDT THU MAY 20 2010

.TONIGHT...SW WIND 10 KT. SEAS 2 FT. 
.FRI...VARIABLE WIND LESS THAN 10 KT BECOMING SW 10 KT IN THE
AFTERNOON. SEAS 2 FT. 
.FRI NIGHT...SW WIND 15 KT. SEAS 3 FT. 
.SAT AND SAT NIGHT...SW WIND 10 KT. SEAS 2 FT. 
.SUN...SW WIND 10 KT. SEAS 2 FT. 
.MON...W WIND 10 KT. SEAS 2 FT. 
.TUE...SW WIND 10 KT. SEAS 2 FT.  

$$

PKZ141-211400-
KACHEMAK BAY
400 PM AKDT THU MAY 20 2010

.TONIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. 
.FRI...VARIABLE WIND LESS THAN 10 KT BECOMING W 15 KT IN THE
AFTERNOON. SEAS 2 FT. 
.FRI NIGHT...W WIND 15 KT BECOMING S 10 KT AFTER MIDNIGHT. SEAS
3 FT. 
.SAT AND SAT NIGHT...SW WIND 15 KT. SEAS 3 FT. 
.SUN...W WIND 15 KT. SEAS 3 FT. 
.MON...NW WIND 10 KT. SEAS 2 FT. 
.TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 2 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 May 19, 4:00 PM AKDT, 0 minutes earlier.

Area forecast discussion, May 19, 4:00 PM AKDT, 0 minutes before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
400 PM AKDT WED MAY 19 2010

.MODEL DISCUSSION...MODELS SEEM TO BE DOING WELL WITH THE MAJOR
FEATURES AND HAVE LOCKED ON THE THE EASTERLY WAVE MOVING INTO THE
SOUTH CENTRAL REGION THIS AFTERNOON. THE BIGGEST DISAGREEMENT IS WITH
THE COMPLEX LOW THAT WILL BE SOUTH OF KODIAK ISLAND THURSDAY. THE GFS
WANTS TO CONSOLIDATE THE ENERGY INTO ONE LOW BUT THE NAM ECMWF AND
UKMET ALL WANT TO HAVE MULTIPLE WEAK CENTERS. EVEN THOUGH THE MODELS
DO NOT COMPLETELY AGREE ON THE EXACT LOCATIONS OF THE CENTERS THE
TROUGH AXIS IS IN THE SAME PLACE ON ALL OF THEM AND THAT IS WHAT IS
MORE IMPORTANT TO THE FORECAST.

.ANALYSIS AND UPPER LEVELS...THE OVERALL WEATHER PATTERN HAS AN UPPER
LEVEL RIDGE OVER WESTERN CANADA THAT EXTENDS INTO THE INTERIOR PART
OF THE STATE. THE DOMINANT UPPER LEVEL LONG WAVE LOW IS SOUTH OF THE
GULF OF ALASKA WITH A PRONOUNCED TROUGH EXTENDING TO THE NORTHWEST
AND INTO EASTERN RUSSIA. THIS UPPER TROUGH WILL REMAIN IN NEARLY THE
POSITION OVER THE NEXT DAY BUT WILL DEVELOP THREE DISTINCT CENTERS
WITH ONE DEVELOPING OVER THE BERING SEA AND THE ONE CURRENTLY OVER
THE GULF MOVING OFF THE COAST OF VANCOUVER ISLAND WHILE LEAVING A
WEAK THIRD CENTER NEAR KODIAK ISLAND.
ONTO SMALLER SCALE FEATURES...THERE IS A SHARP UPPER LEVEL
DISTURBANCE MOVING FROM EAST TO WEST OVER THE NORTH GULF COAST INTO
SOUTH CENTRAL ALASKA THIS AFTERNOON AND EVENING. THIS EASTERLY WAVE
WILL MOVE WEST IF THE ALASKA RANGE AROUND MIDNIGHT...THOUGH IT SHOULD
BE WEAKENING AS IT MOVES WESTWARD.

.SHORT TERM FORECAST...
RAIN WILL ACCOMPANY THE EASTERLY WAVE THIS AFTERNOON AND OVERNIGHT.
WINDS WILL BE STRONGEST AROUND THIS SYSTEM ALONG THE NORTH GULF COAST
AND NORTHERN KODIAK ISLAND WATERS TONIGHT...AND THEN WINDS SHOULD
RAPIDLY DECREASE IN THOSE AREA.
THE BEST CHANCE OF LATE AFTERNOON AND EVENING THUNDERSTORMS IS IN THE
UPPER KUSKOKWIM VALLEY WITH A LESSER CHANCE IN THE KUSKOKWIM DELTA.
THE ATMOSPHERIC CAP IN THE KUSKOKWIM DELTA WAS QUITE STRONG TODAY
WITH FOG IN NUMEROUS LOCATION IN AND NEAR BETHEL UNTIL NOON.
NOT MUCH CHANGE IN THE BERING SEA REGION AS NORTHWEST FLOW AND
STRATUS WILL CONTINUE OVER THAT AREA.

.LONG TERM FORECAST...AN UPPER LEVEL RIDGE WILL SOLIDIFY OVER THE
NORTHERN AND INTERIOR PART OF THE STATE WITH THE COLD UPPER LEVEL
TROUGH WILL PERSIST OVER THE ALASKA PENINSULA AND CENTRAL BERING SEA.

CONVECTION WILL PERSIST IN INLAND AREAS AS A THERMAL TROUGH WILL ALSO
BE IN PLAY IN THE INTERIOR THROUGH THE WEEKEND.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 120 130.
FIRE WEATHER...NONE.

MAY 10

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 4:00 PM AKDTSmall Craft AdvisoryAFC12 hr
May 20, 4:00 AM AKDTGale WarningAFC12 hr
May 20, 4:00 AM AKDTSmall Craft AdvisoryAFC24 hr
May 20, 4:00 AM AKDTSmall Craft AdvisoryAFC12 hr
May 20, 11:15 AM AKDTGale WarningAFC5 hr

Nearby

Gale Warnings in Alaska, 2010Every gale warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.