Storm Warning 150, NWS Anchorage, AK

Issued

Sep 26, 2010, 4:00 AM AKDT (12:00 UTC)

Expired

Sep 26, 2010, 4:00 PM AKDT

In force

12 hr

Issued by

NWS Anchorage, AK

456 
FZAK52 PAFC 261124
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKDT SUN SEP 26 2010

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

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.

PKZ199-270000-
400 AM AKDT SUN SEP 26 2010
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 964 MB LOW 700 NM SOUTHWEST OF SHEMYA WILL MOVE TO 50 NM NORTHWEST
OF SHEMYA EARLY MON MORNING AT 967 MB THEN TO 100 NM WEST OF DUTCH
HARBOR BY LATE MON NIGHT AT 973 MB. 
$$

PKZ150-270000-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 AM AKDT SUN SEP 26 2010

...GALE WARNING THROUGH TONIGHT...

.TODAY...N WIND 35 KT. GUSTS TO 45 KT OUT OF BAYS AND PASSES. SEAS 10
FT. 
.TONIGHT...N WIND 35 KT. GUSTS TO 45 KT OF BAYS AND PASSES. SEAS 11
FT. 
.MON...N WIND 30 KT BECOMING NW 20 KT IN THE AFTERNOON. SEAS 9 FT. 
.MON NIGHT...S WIND 25 KT. SEAS 7 FT. 
.TUE...S WIND 25 KT. SEAS 13 FT. 
.WED...N WIND 35 KT. SEAS 18 FT. 
.THU...NW WIND 35 KT. SEAS 12 FT.  
$$

PKZ155-270000-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 AM AKDT SUN SEP 26 2010

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...N WIND 30 KT. GUSTS TO 40 KT OUT OF BAYS AND PASSES. SEAS 9
FT. 
.TONIGHT...N WIND 30 KT...EXCEPT BECOMING NW 15 KT FROM SAND POINT
WEST AFTER MIDNIGHT. GUSTS TO 40 KT OUT OF BAYS AND PASSES IN THE
EVENING. SEAS 9 FT. 
.MON...VARIABLE WIND 15 KT BECOMING SW 25 KT IN THE AFTERNOON. SEAS 6
FT. 
.MON NIGHT...SW WIND 30 KT. SEAS 11 FT. 
.TUE...S WIND 35 KT. SEAS 22 FT. 
.WED...N WIND 40 KT. SEAS 18 FT. 
.THU...NW WIND 35 KT. SEAS 12 FT.  
$$

PKZ160-270000-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 AM AKDT SUN SEP 26 2010

...GALE WARNING TODAY...

.TODAY...N WIND 35 KT. SEAS 9 FT. 
.TONIGHT...N WIND 30 KT. SEAS 8 FT. 
.MON...N WIND 25 KT BECOMING E. SEAS 7 FT. 
.MON NIGHT...E WIND 30 KT. SEAS 8 FT. 
.TUE...NE WIND 35 KT. SEAS 10 FT. 
.WED AND THU...N WIND 35 KT. SEAS 11 FT. 
$$

PKZ165-270000-
PORT HEIDEN TO CAPE SARICHEF
400 AM AKDT SUN SEP 26 2010

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...N WIND 30 KT. SEAS 13 FT. 
.TONIGHT...N WIND 25 KT BECOMING NE 15 KT AFTER MIDNIGHT. SEAS 11 
FT. 
.MON...E WIND 15 KT BECOMING SE 25 KT IN THE AFTERNOON. SEAS 8 FT.
RAIN. 
.MON NIGHT...SE WIND 20 KT. SEAS 6 FT. 
.TUE...NE WIND 40 KT. SEAS 15 FT. 
.WED...N WIND 40 KT. SEAS 19 FT. 
.THU...NW WIND 35 KT. SEAS 14 FT.  
$$

PKZ180-270000-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 AM AKDT SUN SEP 26 2010

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...N WIND 30 KT...EXCEPT NE WIND 25 KT DIMINISHING TO 15 KT IN
THE AFTERNOON N OF NUNIVAK ISLAND. SEAS 9 FT. 
.TONIGHT...S OF NUNIVAK ISLAND...NE WIND 30 KT DIMINISHING TO 20 KT
AFTER MIDNIGHT. NUNIVAK ISLAND N...NE WIND 15 KT. SEAS 7 FT. 
.MON...E WIND INCREASING TO 30 KT. SEAS 9 FT. 
.MON NIGHT...E WIND 35 KT. SEAS 10 FT. 
.TUE...NE WIND 40 KT. SEAS 12 FT. 
.WED...N WIND 35 KT. SEAS 11 FT. 
.THU...N WIND 30 KT. SEAS 8 FT.  
$$

PKZ170-270000-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 AM AKDT SUN SEP 26 2010

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...N WIND 30 KT. GUSTS TO 40 KT OUT OF PASSES. SEAS 12 FT. 
.TONIGHT...N WIND 20 KT BECOMING SW AFTER MIDNIGHT. GUSTS TO 30 KT
OUT OF PASSES FROM UNALASKA E IN THE EVENING. SEAS 10 FT. 
.MON...S WIND 30 KT. SEAS 9 FT. RAIN SHOWERS. 
.MON NIGHT...SW WIND 40 KT. SEAS 16 FT. 
.TUE...NW WIND 40 KT. SEAS 25 FT. 
.WED...N WIND 40 KT. SEAS 20 FT. 
.THU...NW WIND 30 KT. SEAS 12 FT.  
$$

PKZ171-270000-
UNALASKA BAY
400 AM AKDT SUN SEP 26 2010

...SMALL CRAFT ADVISORY TODAY AND MONDAY...

.TODAY...N WIND 25 KT. GUSTS TO 35 KT IN THE MORNING. SEAS 10 FT. 
.TONIGHT...N WIND 15 KT BECOMING VARIABLE 10 KT BY MIDNIGHT. SEAS 3
FT.
.MON...SW WIND INCREASING TO 25 KT BY AFTERNOON. SEAS 3 FT. RAIN
SHOWERS. 
.MON NIGHT...S WIND 20 KT. SEAS 3 FT. 
.TUE...NW WIND 30 KT. SEAS 13 FT. 
.WED...N WIND 35 KT. SEAS 16 FT. 
.THU...NW WIND 25 KT. SEAS 10 FT.  
$$

PKZ172-270000-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 AM AKDT SUN SEP 26 2010

...STORM WARNING MONDAY...

.TODAY...NW WIND 30 KT. W OF SEGUAM ISLAND...NW WIND 20 KT BECOMING
SW 15 KT IN THE AFTERNOON. SEAS 9 FT. RAIN. 
.TONIGHT...S WIND INCREASING TO 35 KT. E OF SEGUAM ISLAND...W WIND 15
KT BECOMING S 25 KT AFTER MIDNIGHT. SEAS 9 FT. RAIN SHOWERS. 
.MON...SW WIND 40 KT...EXCEPT INCREASING TO 55 KT BY AFTERNOON W OF
SEGUAM ISLAND. SEAS 12 FT BUILDING TO 17 FT IN THE AFTERNOON. RAIN
SHOWERS. 
.MON NIGHT...SW WIND 55 KT. SEAS 34 FT. 
.TUE...NW WIND 50 KT. SEAS 32 FT. 
.WED...NW WIND 35 KT. SEAS 17 FT. 
.THU...W WIND 25 KT. SEAS 11 FT.  
$$

PKZ175-270000-
WESTERN ALEUTIANS ADAK TO KISKA
400 AM AKDT SUN SEP 26 2010

...STORM WARNING MONDAY...

.TODAY...SW WIND 20 KT BECOMING S 30 KT IN THE AFTERNOON. SEAS 7 FT.
RAIN.
.TONIGHT...S WIND 35 KT BECOMING SW 45 KT AFTER MIDNIGHT. SEAS
14 FT. RAIN.
.MON...SW WIND 55 KT. BERING SIDE...SEAS 19 FT BUILDING TO 30 FT IN
THE AFTERNOON. PACIFIC SIDE...SEAS 28 FT BUILDING TO 43 FT IN THE
AFTERNOON. RAIN.
.MON NIGHT...W WIND 55 KT. SEAS 39 FT. 
.TUE...NW WIND 45 KT. SEAS 26 FT. 
.WED...NW WIND 25 KT. SEAS 14 FT. 
.THU...SW WIND 25 KT. SEAS 8 FT.  
$$

PKZ176-270000-
WESTERN ALEUTIANS KISKA TO ATTU
400 AM AKDT SUN SEP 26 2010

...STORM WARNING TONIGHT AND MONDAY...

.TODAY...S WIND 35 KT BECOMING SE 45 KT IN THE AFTERNOON. SEAS
12 FT. RAIN SHOWERS. 
.TONIGHT...S WIND INCREASING TO 55 KT BY MIDNIGHT. BERING SIDE...SEAS
13 FT BUILDING TO 21 FT AFTER MIDNIGHT. PACIFIC SIDE...SEAS 19 FT
BUILDING TO 36 FT AFTER MIDNIGHT. RAIN.
.MON...SW WIND 60 KT BECOMING W 50 KT IN THE AFTERNOON. SEAS 34 FT
BERING SIDE...45 FT PACIFIC SIDE. RAIN SHOWERS. 
.MON NIGHT...NW WIND 45 KT. SEAS 31 FT. 
.TUE...NW WIND 35 KT. SEAS 22 FT. 
.WED...SW WIND 30 KT. SEAS 11 FT. 
.THU...SW WIND 25 KT. SEAS 12 FT.  
$$

PKZ185-270000-
ST MATTHEW ISLAND WATERS
400 AM AKDT SUN SEP 26 2010

...GALE WARNING TONIGHT AND MONDAY...

.TODAY...NE WIND 20 KT. SEAS 9 FT. 
.TONIGHT...E WIND 25 KT BECOMING SE 35 KT AFTER MIDNIGHT. SEAS 9 FT.
.MON...E WIND 40 KT. SEAS 14 FT. RAIN.
.MON NIGHT...E WIND 40 KT. SEAS 20 FT. 
.TUE...N WIND 35 KT. SEAS 20 FT. 
.WED...N WIND 25 KT. SEAS 11 FT. 
.THU...N WIND 20 KT. SEAS 9 FT.  
$$

PKZ179-270000-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 AM AKDT SUN SEP 26 2010

...GALE WARNING MONDAY...

.TODAY...N WIND 25 KT BECOMING NE 15 KT IN THE AFTERNOON. SEAS 9 FT. 
.TONIGHT...E WIND 15 KT BECOMING SE 25 KT AFTER MIDNIGHT. SEAS 8 FT.
.MON...SE WIND 35 KT. SEAS 9 FT. RAIN.
.MON NIGHT...E WIND 35 KT. SEAS 12 FT. 
.TUE...NE WIND 40 KT. SEAS 18 FT. 
.WED...N WIND 35 KT. SEAS 16 FT. 
.THU...NW WIND 20 KT. SEAS 10 FT.  
$$

NWS Anchorage, AK wrote its last area forecast discussion before this storm warning went out at Sep 25, 5:00 PM AKDT, 11 hours earlier.

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM AKDT SAT SEP 25 2010

.ANALYSIS AND UPPER LEVELS...
AN UPPER LOW OVER THE GULF OF ALASKA HAS REMAINED NEARLY STATIONARY
AND WEAKENED SINCE YESTERDAY. ANOTHER UPPER LOW OVER BEAUFORT SEA IS
EXTENDING A TROUGH INTO THE NORTHERN MAINLAND. A WEAK UPPER HIGH HAD
MOVED INTO THE CENTRAL BERING FROM THE SIBERIA OVERNIGHT. A DRY NORTH
TO NORTHWEST FLOW REMAINS OVER WESTERN ALASKA.

A SURFACE LOW CONTINUES TO WEAKEN OVER THE GULF. THE GUSTY WINDS THAT
PLAGUED SOUTHCENTRAL FRIDAY HAVE SIGNIFICANTLY DIMINISHED. GUSTY
NORTH WINDS STILL PERSIST OVER THE KUSKOKWIM DELTA, BRISTOL BAY, THE
ALASKA PENINSULA AND THE EASTERN BERING.

.MODEL DISCUSSION...
MODELS CONTINUE TO BE IN VERY GOOD AGREEMENT.

.SHORT TERM FORECAST...
.UPPER LEVELS...LOW OVER THE BEAUFORT SEA WILL REMAIN NEARLY
STATIONARY THROUGH MONDAY NIGHT. THE TROUGH OVER THE NORTHERN
INTERIOR WILL EXTEND INTO SOUTHERN MAINLAND AND THE NORTHERN GULF BY
SUNDAY AFTERNOON. THE DRY NORTHWEST FLOW OVER WESTERN ALASKA WILL
INTO THE SUSITNA VALLEY AND KENAI PENINSULA AND THE REST OF
SOUTHCENTRAL ALASKA MONDAY.

SOUTHCENTRAL ALASKA AND THE GULF...A SURFACE LOW OVER THE CENTRAL
GULF WILL CONTINUE TO WEAKEN THROUGH TONIGHT AND DISSIPATE NEAR
MIDDLETON ISLAND SUNDAY. ANOTHER LOW SOUTH OF THE GULF SUNDAY WILL
MOVE INTO THE EASTERN GULF MONDAY. SCATTERED RAIN SHOWERS OVER PRINCE
WILLIAM SOUND AND RAIN AND SNOW SHOWERS OVER THE THE COPPER RIVER
BASIN WILL CONTINUE THROUGH SUNDAY NIGHT. GUSTY WINDS WILL CONTINUE
THROUGH CHANNELED TERRAIN ALONG THE ALASKA RANGE AND THE TALKEETNA
AND CHUGACH MOUNTAINS THROUGH MONDAY.

SOUTHWEST ALASKA...MOSTLY CLEAR SKIES WILL REMAIN OVER THE REGION
THROUGH MONDAY. RAIN WILL MOVE INTO THE ALASKA PENINSULA MONDAY
AFTERNOON AS A WEATHER FRONT MOVES INTO THE SOUTHEAST BERING AND
EASTERN ALEUTIANS.

BERING SEA...A STORM OVER THE NORTHWEST PACIFIC WILL MOVE INTO THE
WESTERN ALEUTIANS SUNDAY NIGHT AND THE SOUTHCENTRAL BERING MONDAY.
RAIN AND STRONG WINDS WILL MOVE INTO THE WESTERN ALEUTIANS EARLY
SUNDAY MORNING THEN SPREAD TO THE  THE CENTRAL ALEUTIANS SUNDAY
EVENING AND EASTERN ALEUTIANS MONDAY MORNING.

.LONG TERM FORECAST...
THE LOW OVER THE EASTERN GULF MONDAY WILL DISSIPATE MONDAY NIGHT. THE
LOW OVER THE SOUTHERN BERING WILL MOVE EAST INTO THE NORTH PACIFIC
TUESDAY THEN TURN NORTHEAST INTO THE GULF WEDNESDAY. AREAS OF RAIN
AND WIND KODIAK ISLAND AND THE WESTERN GULF MONDAY NIGHT AND THE REST
OF THE GULF AND THE CENTRAL GULF COAST TUESDAY. AREAS OF RAIN WILL
MOVE INTO THE SOUTHCENTRAL INTERIOR WEDNESDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...STORM 175 176
         GALE 130 150 160 165 170 172
FIRE WEATHER...NONE.

NM SEP 10

Storm Warnings in Alaska, 2010Every storm warning in 2010

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