Alert archive / Alaska / Gale Warnings in 2011

Gale Warning 381, NWS Anchorage, AK

May 1, 2011

NWS Anchorage, AK issued this gale warning at May 1, 2011, 4:00 AM 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 1, 2011, 4:00 AM AKDT (12:00 UTC)
Expired
May 2, 2011, 4:00 AM AKDT
In force
24 hr
Issued by
NWS Anchorage, AK

The text

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

549 
FZAK62 PAFC 011108
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SUN MAY 1 2011

OFFSHORE WATERS FORECAST FOR THE BERING SEA

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.

PKZ499-020300-
400 AM AKDT SUN MAY 1 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A 975 MB LOW NEAR 49N 174E WILL DRIFT SOUTHEAST AND AWAY FROM THE
ALEUTIAN CHAIN EARLY MON MORNING. AN ASSOCIATED FRONT OVER THE
CENTRAL ALEUTIANS WILL MOVE EAST AND DISSIPATE NEAR THE WESTERN
ALASKA PENINSULA MON AFTERNOON. HIGH PRESSURE WILL PERSIST OVER THE
REMAINDER OF THE BERING THROUGH TUE. 

$$

PKZ411-020300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT SUN MAY 1 2011

...GALE WARNING THROUGH TONIGHT...

.TODAY...NE WIND 40 KT. SEAS 17 FT. 
.TONIGHT...NE WIND 35 KT. SEAS 14 FT. 
.MON...NE WIND 25 KT. SEAS 12 FT. 
.MON NIGHT...NE WIND 20 KT. SEAS 9 FT. 
.TUE...E WIND 25 KT. SEAS 8 FT. 
.WED...NE WIND 20 KT. SEAS 7 FT. 
.THU...NW WIND 15 KT. SEAS 6 FT.  

$$

PKZ412-020300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT SUN MAY 1 2011

.TODAY...E WIND 25 KT. SEAS 7 FT. PATCHY FOG. 
.TONIGHT...E WIND 25 KT. SEAS 8 FT. PATCHY FOG. 
.MON...NE WIND 25 KT. SEAS 9 FT. 
.MON NIGHT...NE WIND 20 KT. SEAS 8 FT. 
.TUE AND WED...E WIND 20 KT. SEAS 6 FT. 
.THU...E WIND 15 KT. SEAS 5 FT.  

$$

PKZ413-020300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT SUN MAY 1 2011

...GALE WARNING TODAY...

.TODAY...E WIND 35 KT. SEAS 14 FT. 
.TONIGHT...E WIND 30 KT. SEAS 12 FT. 
.MON...NE WIND 25 KT. SEAS 12 FT. 
.MON NIGHT...NE WIND 20 KT. SEAS 9 FT. 
.TUE...E WIND 20 KT. SEAS 7 FT. 
.WED...NE WIND 20 KT. SEAS 7 FT. 
.THU...N WIND 20 KT. SEAS 6 FT.  

$$

PKZ414-020300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT SUN MAY 1 2011

.TODAY...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. PATCHY FOG. 
.TONIGHT...E WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. PATCHY FOG. 
.MON...E WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. 
.MON NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT. 
.TUE...NE WIND 15 KT. SEAS IN ICE FREE WATERS 5 FT. 
.WED...E WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. 
.THU...E WIND 15 KT. SEAS IN ICE FREE WATERS 5 FT.  

$$
2 follow-up statements
701 
FZAK62 PAFC 012301
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SUN MAY 1 2011

OFFSHORE WATERS FORECAST FOR THE BERING SEA

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.

PKZ499-021500-
400 PM AKDT SUN MAY 1 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A 978 MB LOW NEAR 48N 176E WILL MOVE TO 51N 157W AND WEAKEN TO 1002
MB TUE AFTERNOON. HIGH PRESSURE WILL BUILD INTO THE CENTRAL BERING
SEA MON NIGHT. A 990 MB LOW WILL MOVE TO 49N 172E TUE AFTERNOON.

$$

PKZ411-021500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT SUN MAY 1 2011

...GALE WARNING TONIGHT...

.TONIGHT...NE WIND 25 TO 35 KT. SEAS 8 TO 15 FT. STRONGEST WIND AND
HIGHEST SEAS S OF 56N.
.MON...NE WIND 15 TO 25 KT. SEAS 8 TO 12 FT. STRONGEST WIND AND
HIGHEST SEAS S OF 56N.
.MON NIGHT...NE WIND 20 KT. SEAS 8 FT. 
.TUE AND TUE NIGHT...E WIND 25 KT. SEAS 8 FT. 
.WED...NE WIND 20 KT. SEAS 8 FT. 
.THU...NW WIND 15 KT. SEAS 7 FT.
.FRI...W WIND 20 KT. SEAS 7 FT.  

$$

PKZ412-021500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT SUN MAY 1 2011

.TONIGHT...E WIND 25 KT. SEAS 9 FT. PATCHY FOG. 
.MON...NE WIND 25 KT. SEAS 9 FT. PATCHY FOG. 
.MON NIGHT...NE WIND 20 KT. SEAS 8 FT. PATCHY FOG. 
.TUE...E WIND 15 KT. SEAS 7 FT. 
.TUE NIGHT...E WIND 20 KT. SEAS 6 FT. 
.WED...E WIND 25 KT. SEAS 8 FT. 
.THU...E WIND 15 KT. SEAS 6 FT. 
.FRI...W WIND 20 KT. SEAS 5 FT.  

$$

PKZ413-021500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT SUN MAY 1 2011

...GALE WARNING TONIGHT...

.TONIGHT...E WIND 25 TO 35 KT. SEAS 13 FT. RAIN SHOWERS. 
.MON...NE WIND 25 KT. SEAS 12 FT. 
.MON NIGHT...NE WIND 20 KT. SEAS 10 FT. 
.TUE...E WIND 20 KT. SEAS 7 FT. 
.TUE NIGHT THROUGH WED...NE WIND 25 KT. SEAS 7 FT. 
.THU...N WIND 20 KT. SEAS 8 FT. 
.FRI...W WIND 25 KT. SEAS 6 FT.  

$$

PKZ414-021500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT SUN MAY 1 2011

.TONIGHT...E WIND 20 TO 30 KT. SEAS IN ICE FREE WATERS 7 FT. PATCHY
FOG. 
.MON...E WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. PATCHY FOG. 
.MON NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT. PATCHY
FOG. 
.TUE...NE WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. 
.TUE NIGHT...E WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT.
.WED THROUGH THU...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. 
.FRI...NW WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT.  

$$
136 
FZAK62 PAFC 021140
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT MON MAY 2 2011

OFFSHORE WATERS FORECAST FOR THE BERING SEA

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.

PKZ499-030300-
400 AM AKDT MON MAY 2 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A COMPLEX 987 MB LOW NEAR 47N 180 WILL WEAKEN TO 1001 MB NEAR 50N
162W LATE MON NIGHT AND MOVE INTO THE GULF ON TUE. HIGH PRESSURE 
WILL BUILD INTO THE CENTRAL BERING SEA MON NIGHT AND SHIFT TO THE
EASTERN BERING SEA BY TUE NIGHT. A 991 MB NORTH PACIFIC LOW NEAR 48N
170E TUE MORNING WILL WEAKEN TO 994 MB NEAR 50N 179E LATE TUE NIGHT.

$$

PKZ411-030300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT MON MAY 2 2011

.TODAY...NE WIND 25 KT. SEAS 12 FT. 
.TONIGHT...NE WIND 20 KT. SEAS 9 FT. 
.TUE...E WIND 20 KT. SEAS 8 FT. 
.TUE NIGHT...E WIND 25 KT. SEAS 8 FT. 
.WED...NE WIND 20 KT. SEAS 7 FT. 
.THU...NW WIND 15 KT. SEAS 7 FT. 
.FRI...W WIND 20 KT. SEAS 6 FT.  

$$

PKZ412-030300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT MON MAY 2 2011

.TODAY...NE WIND 25 KT. SEAS 9 FT. PATCHY FOG. 
.TONIGHT...NE WIND 20 KT. SEAS 8 FT. PATCHY FOG. 
.TUE...NE WIND 15 KT. SEAS 6 FT. 
.TUE NIGHT...E WIND 20 KT. SEAS 6 FT. 
.WED...NE WIND 20 KT. SEAS 7 FT. 
.THU...E WIND 15 KT. SEAS 5 FT. 
.FRI...W WIND 20 KT. SEAS 6 FT.  

$$

PKZ413-030300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT MON MAY 2 2011

.TODAY...NE WIND 25 KT. SEAS 11 FT. 
.TONIGHT...NE WIND 20 KT. SEAS 9 FT. 
.TUE...E WIND 20 KT. SEAS 7 FT. 
.TUE NIGHT...E WIND 25 KT. SEAS 8 FT. 
.WED...NE WIND 25 KT. SEAS 8 FT. 
.THU...N WIND 20 KT. SEAS 8 FT. 
.FRI...W WIND 25 KT. SEAS 8 FT.  

$$

PKZ414-030300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT MON MAY 2 2011

.TODAY...NE WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. PATCHY FOG. 
.TONIGHT...NE WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. PATCHY FOG. 
.TUE...N WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. 
.TUE NIGHT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT. 
.WED...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. 
.THU...E WIND 15 KT. SEAS IN ICE FREE WATERS 5 FT. 
.FRI...NW WIND 25 KT. SEAS IN ICE FREE WATERS 8 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 Apr 30, 4:00 PM AKDT, 12 hours earlier.

Area forecast discussion, Apr 30, 4:00 PM AKDT, 12 hours before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SAT APR 30 2011

.MODEL DISCUSSION...MODELS ARE ACCEPTABLE IN THE SHORT TERM AS THEY
REMAIN CONSISTENT IN THEIR HANDLING OF THE MAIN WEATHER FEATURES. THE
SOLUTION TO BRING THE LOW INTO THE GULF OF ALASKA SUNDAY AND THEN
INTO SOUTHEAST ALASKA MONDAY IS NOW ACCEPTED BY ALL THE MAJOR MODELS.

.ANALYSIS AND UPPER LEVELS...THERE IS A HIGH AMPLITUDE PROGRESSIVE
PATTERN OVER THE STATE TODAY AS AN UPPER LEVEL RIDGE EXTENDS OVER
SOUTHEAST ALASKA AND THE ALCAN BORDER WITH A SHARP UPPER LEVEL TROUGH
RESIDING OVER WEST-INTERIOR ALASKA THAT EXTENDS SOUTHWARD OVER
BRISTOL BAY. ANOTHER UPPER LEVEL HIGH HAS BUILT INTO THE CENTRAL
BERING SEA WITH THE NEXT UPPER LEVEL TROUGH JUST WEST OF ATTU.
ALSO ALOFT IS A SHORT WAVE HEADING UP COOK INLET. THIS IS IN
CONJUNCTION WITH A FRONT MOVING ASHORE ALONG THE NORTH GULF COAST
WHICH IS BRING SOME STRONG WINDS TO TURNAGAIN ARM AND GUSTY WINDS TO
THE MATANUSKA VALLEY AND COPPER RIVER BASIN.
AT THE SURFACE THE LOW JUST SOUTHWEST OF THE BERING SEA IS MOVING
VERY SLOWLY...THOUGH THE OCCLUDED FRONT WRAPPED AROUND IT IS
PROGRESSING OVER THE WESTERN AND CENTRAL ALEUTIANS.

.SHORT TERM FORECAST...THE WAVE MOVING THROUGH THE NORTH GULF COAST
AND INTO SOUTH CENTRAL ALASKA WILL CONTINUE TO BRING GUSTY WINDS
THROUGH CHANNELED TERRAIN AHEAD OF IT AND PERIODS OF RAIN SHOWERS
OVER THE REGION WELL INTO THE EVENING. AT HIGHER ELEVATIONS THE
PRECIPITATION SHOULD CHANGE TO SNOW SO THERE WILL BE SOME FRESH SNOW
THROUGH THE MOUNTAIN PASSES FROM THIS SYSTEM.
RAIN...MIXED WITH SNOW WILL ALSO COVER THE ALEUTIAN ISLANDS WITH THE
WEATHER FRONT IN THAT AREA.

.LONG TERM FORECAST...MODEL ACCURACY AND CONFIDENCE CONTINUES TO
HAMPER THE LONG TERM FORECASTS. IT DOES LOOK LIKE THE STORM TRACK
WILL SET UP IN THE SOUTHERN PART OF THE FORECAST AREA. THE MAIN LAND
PART OF THE FORECAST AREA WILL PROBABLY SEE SHOWERY CONDITIONS WITH
DIURNAL CONVECTION PERSISTING THOUGH THE MIDDLE OF NEXT WEEK.

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

APR 11

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 4:00 AM AKDTGale WarningAFC24 hr
May 1, 4:00 AM AKDTSmall Craft AdvisoryAFC6 days
May 1, 4:00 AM AKDTSmall Craft AdvisoryAFC12 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.