Gale Warning 368, NWS Anchorage, AK

Issued

Apr 22, 2011, 4:00 PM AKDT (00:00 UTC)

Expired

Apr 23, 2011, 7:00 AM AKDT

In force

15 hr

Issued by

NWS Anchorage, AK

019 
FZAK51 PAFC 222349
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 PM AKDT FRI APR 22 2011

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.

PKZ197-231500-
400 PM AKDT FRI APR 22 2011
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A WEATHER FRONT MOVES INTO THE SOUTHERN GULF TONIGHT AND TO THE GULF
COAST SAT AFTERNOON. A 969 MB LOW MOVES TO 180 NM SOUTH OF AKHIOK
TONIGHT AND MOVES ONSHORE ALONG THE ALASKA PENINSULA AT 987 MB SUN
AFTERNOON. 

$$

PKZ120-231500-
CAPE SUCKLING TO GORE POINT
400 PM AKDT FRI APR 22 2011

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...SE WIND 25 KT...EXCEPT 40 KT ALONG THE COAST E OF MONTAGUE
ISLAND. SEAS 17 FT. RAIN.
.SAT...E WIND 40 KT. SEAS 18 FT. RAIN.
.SAT NIGHT...E WIND 35 KT. SEAS 18 FT. RAIN. 
.SUN...E WIND 30 KT. SEAS 15 FT. 
.SUN NIGHT...SE WIND 25 KT. SEAS 14 FT. 
.MON...SE WIND 15 KT. SEAS 10 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS 6 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 3 FT.  

$$

PKZ121-231500-
RESURRECTION BAY
400 PM AKDT FRI APR 22 2011

.TONIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. HIGHER WINDS AND SEAS S OF
CAINES HEAD. RAIN. 
.SAT AND SAT NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. HIGHER WINDS AND
SEAS S OF CAINES HEAD. RAIN.
.SUN...S WIND 10 KT. SEAS 2 FT. 
.SUN NIGHT THROUGH WED...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 

$$

PKZ125-231500-
PRINCE WILLIAM SOUND
400 PM AKDT FRI APR 22 2011

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...SE WIND 40 KT. GUSTS TO 50 KT NEAR HINCHINBROOK ENTRANCE.
SEAS 10 FT. RAIN.
.SAT...E WIND 40 KT. GUSTS TO 50 KT NEAR HINCHINBROOK ENTRANCE. SEAS
10 FT. RAIN.
.SAT NIGHT...E WIND 35 KT. SEAS 9 FT. RAIN.
.SUN...E WIND 30 KT. SEAS 6 FT. 
.SUN NIGHT...E WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 15 KT. SEAS 2 FT. 
.TUE AND WED...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 

$$

PKZ129-231500-
PASSAGE CANAL
400 PM AKDT FRI APR 22 2011

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...E WIND 35 KT. SEAS 5 FT. RAIN. 
.SAT AND SAT NIGHT...E WIND 35 KT. SEAS 5 FT. RAIN.
.SUN...E WIND 30 KT. SEAS 5 FT. 
.SUN NIGHT...E WIND 15 KT. SEAS 2 FT. 
.MON...E WIND 10 KT. SEAS 2 FT. 
.TUE AND WED...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FOOT. 

$$

PKZ130-231500-
BARREN ISLANDS AND KAMISHAK BAY WATERS
400 PM AKDT FRI APR 22 2011

...GALE WARNING THROUGH SATURDAY...

.TONIGHT...E OF THE BARREN ISLANDS...E WIND 30 KT INCREASING TO 40 KT
BY MIDNIGHT. SEAS 15 FT. W OF THE BARREN ISLANDS...NE WIND 45 KT
BECOMING E 40 KT AFTER MIDNIGHT. SEAS 9 FT. RAIN.
.SAT...E WIND 40 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 19 FT
EXCEPT 12 FT W OF THE BARREN ISLANDS. RAIN.
.SAT NIGHT...E WIND 30 KT. SEAS 16 FT EXCEPT 9 FT W OF THE BARREN
ISLANDS. RAIN. 
.SUN...E WIND 30 KT. SEAS 16 FT. 
.SUN NIGHT...SE WIND 25 KT. SEAS 14 FT. 
.MON...VARIABLE WIND 10 KT. SEAS 7 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 3 FT.  

$$

PKZ132-231500-
SHUYAK ISLAND TO SITKINAK
400 PM AKDT FRI APR 22 2011

...GALE WARNING THROUGH SATURDAY...

.TONIGHT...E WIND 35 KT. SEAS 16 FT. RAIN.
.SAT...SE WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS
18 FT. RAIN.
.SAT NIGHT...E WIND 30 KT. SEAS 17 FT. RAIN.
.SUN...SE WIND 25 KT. SEAS 16 FT. 
.SUN NIGHT...S WIND 20 KT. SEAS 14 FT. 
.MON...SW WIND 20 KT. SEAS 10 FT. 
.TUE AND WED...VARIABLE WIND 10 KT. SEAS 5 FT. 

$$

PKZ138-231500-
SHELIKOF STRAIT
400 PM AKDT FRI APR 22 2011

...GALE WARNING THROUGH TONIGHT AND SATURDAY NIGHT...

.TONIGHT...NE WIND 25 KT INCREASING TO 35 KT AFTER MIDNIGHT. SEAS
8 FT. RAIN.
.SAT...NE WIND 25 KT. SEAS 7 FT. RAIN. 
.SAT NIGHT...NE WIND 35 KT. SEAS 8 FT. RAIN. 
.SUN...NE WIND 30 KT. SEAS 8 FT. 
.SUN NIGHT...E WIND 20 KT. SEAS 4 FT. 
.MON...SW WIND 15 KT. SEAS 3 FT. 
.TUE AND WED...VARIABLE WIND 10 KT. SEAS 2 FT. 

$$

PKZ140-231500-
COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY
400 PM AKDT FRI APR 22 2011

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...NE WIND 25 KT. SEAS 4 FT. RAIN. 
.SAT...NE WIND 25 KT. SEAS 7 FT. RAIN. 
.SAT NIGHT...NE WIND 25 KT. SEAS 5 FT. RAIN. 
.SUN...NE WIND 25 KT. SEAS 4 FT. 
.SUN NIGHT...NE WIND 20 KT. SEAS 4 FT. 
.MON...E WIND 10 KT. SEAS 3 FT. 
.TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FOOT. 
.WED...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.  

$$

PKZ141-231500-
KACHEMAK BAY
400 PM AKDT FRI APR 22 2011

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E WIND 30 KT. SEAS 4 FT. 
.SAT...E WIND 30 KT. SEAS 5 FT. RAIN.
.SAT NIGHT...E WIND 25 KT. SEAS 4 FT. 
.SUN...E WIND 20 KT. SEAS 3 FT. 
.SUN NIGHT...E WIND 15 KT. SEAS 2 FT. 
.MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 
.TUE AND WED...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT. 

$$

NWS Anchorage, AK wrote its last area forecast discussion before this gale warning went out at Apr 22, 2:00 PM AKDT, 2 hours earlier.

SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
200 PM AKDT FRI APR 22 2011

.MODEL DISCUSSION...THE MODELS ARE IN AMAZINGLY GOOD AGREEMENT
THROUGH THE FIRST 60 HRS CONSIDERING THE COMPLEXITY OF THE SYNOPTIC
PATTERN. THE NAM OVERALL BEST HANDLES MOST OF THE LOCAL EFFECT OF
WIND PRECIPITATION SHADOWING IN THE EAST AND WILL USED HEAVILY IN
THIS FORECAST PACKAGE. THE GFS LOOKS REASONABLE OUT IN THE WESTERN
DOMAIN.

.UPPER LEVELS...
500MB...A BROAD RIDGE WITH ITS AXIS EXTENDS FROM THE SE GULF  OF THE
ALASKA TO OVER THE NORTH GULF COAST. BY SAT AFTERNOON...THE RIDGE
AXIS EXTENDS FROM BRITISH COLUMBIA NW TO OVER INTERIOR ALASKA. THE
RIDGE THEN UNDERGOES LITTLE CHANGE THROUGH MON AFTERNOON. THE
OCCLUDED LOW CENTER SOUTH OF THE EASTERN ALEUTIANS APPEARS TO MERGE
WITH A SECONDARY DEVELOPMENT TO THE SE SAT. THE GENERAL AREA OF LOW
PRESSURE THEN LIFTS NORTH TO OVER BRISTOL BAY SUN AFTERNOON. THE
COMPLEX CONTINUES NW AND WEAKENS AS YET ANOTHER LOW COMPLEX MOVES SE
ACROSS THE CENTRAL BERING SEA.

AT THE SURFACE...FRONTAL TROUGH EXTENDING FROM SW ALASKA...THROUGH
THE NW GULF...TO THE EASTERN GULF CONTINUES TO PUSH NORTH TODAY AND
WEAKENS. A SECONDARY FRONT WELL SOUTH OF THE GULF MOVES TO OVER
BRISTOL BAY AND THE NORTH GULF COAST LATE SAT AFTERNOON...THEN
CONTINUES NORTH AND WEAKENS INTO SUN. THE MAIN LOW CENTER SOUTH OF
THE EASTERN ALEUTIANS APPEARS TO MERGE WITH A DEVELOPING LOW TO THE
SE TONIGHT. THE COMBINED CENTER THEN MOVES TO NEAR KODIAK ISLAND AND
SLOWLY WEAKENS ON SUN.

.SHORT TERM FORECAST...
STRONG PRESSURE GRADIENTS WILL CONTINUES ACROSS MUCH OF SOUTHCENTRAL
ALASKA INTO SUN AFTERNOON AS FRONTAL TROUGHS MOVE NORTH AND THE LOW
COMPLEX LIFTS NORTH. STRONGEST GRADIENTS LIKELY THROUGH SAT WITH
RESULTANT VERY STRONG GAP FLOWS...AND GALES/STORMS OVER THE
GULF...AND BARRIER JET DEVELOPMENT ALONG THE NORTH GULF COAST. WINDS
SHOULD SLOWLY WEAKEN THROUGH SUN AS GRADIENTS RELAX SOME. A TYPICAL
PRECIPITATION PATTERN WILL HOLD OVER THE NEXT COUPLE OF DAYS WITH
GENERALLY DRY DOWN-SLOPING CONDITIONS IN VALLEYS AND ABUNDANT
PRECIPITATION ALONG COASTS AND EAST/SE EXPOSURES. TEMPS SHOULD BE
WARMING OVER THE THROUGH THE WEEKEND...SO THE LIONS SHARE OF THE
PRECIPITATION SHOULD BE RAIN. HOWEVER...HIGHER ELEVATIONS AND SOME
COLD SPOTS PRONE TO COLD AIR DAMMING WILL SEE SOME SNOW OR MIXED
PRECIPITATION TYPES.

.SOUTHWEST MAINLAND...A SERIES OF FRONTS ROTATING AROUND A LOW SOUTH
OF DUTCH HARBOR WILL RESULT IN RAIN AND SNOW SHOWERS ACROSS MUCH OF
THE SOUTHWEST MAINLAND OVER THE NEXT FEW DAYS.

.ALEUTIANS...THE LOW SOUTH OF DUTCH HARBOR WILL CONTINUE TO BRING
RAIN AND SNOW SHOWERS TO THE ALEUTIANS OVER THE NEXT SEVERAL DAYS.
DRIER CONDITIONS WILL OCCUR TO THE WEST AS THE UPPER LEVEL RIDGE OVER
THE BERING MOVES SOUTHWARD. HOWEVER...CLOUDS ARE EXPECTED TO PERSIST
ACROSS THE REGION.

.LONG TERM FORECAST...AN ACTIVE PATTERN WILL CONTINUE THROUGH NEXT
WEEK. MODELS ARE SHOWING LOW PRESSURE SYSTEMS PROGRESSING THROUGH THE
BERING AND GULF WHICH WILL RESULT IN UNSETTLED WEATHER ACROSS MUCH OF
THE FORECAST AREA.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE...125 129 130 132 138 140 141 165 170
         HEAVY FREEZING SPRAY...179 185.
.AER/ALU...WATCH/WARNING SUMMARY

RMC APR 11

Gale Warnings in Alaska, 2011Every gale warning in 2011

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