Alert archive / Alaska / Gale Warnings in 2012

Gale Warning 641, NWS Anchorage, AK

October 30, 2012

NWS Anchorage, AK issued this gale warning at Oct 30, 2012, 4:00 AM AKDT. It was in force for 51 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
Oct 30, 2012, 4:00 AM AKDT (12:00 UTC)
Expired
Nov 1, 2012, 7:00 AM AKDT
In force
51 hr
Issued by
NWS Anchorage, AK

The text

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

121 
FZAK62 PAFC 301157
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT TUE OCT 30 2012

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.

PKZ499-310300-
400 AM AKDT TUE OCT 30 2012
.SYNOPSIS FOR CENTRAL BERING SEA...
HIGH PRESSURE WILL REMAIN OVER THE BERING SEA THROUGH THU MORNING. 
$$

PKZ411-310300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT TUE OCT 30 2012

...GALE WARNING THROUGH TONIGHT...

.TODAY...E WIND 35 KT. SEAS 12 FT. 
.TONIGHT...E WIND 25 TO 35 KT. SEAS 12 FT. PATCHY FOG. 
.WED...NE WIND 25 KT. SEAS 10 FT. PATCHY FOG. 
.WED NIGHT...N WIND 20 KT. SEAS 9 FT. 
.THU AND FRI...N WIND 25 KT. SEAS 8 FT. 
.SAT...N WIND 30 KT. SEAS 11 FT.  

$$

PKZ412-310300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT TUE OCT 30 2012

...GALE WARNING TODAY...

.TODAY...NE WIND 35 KT. SEAS 11 FT. PATCHY FOG. 
.TONIGHT...NE WIND 30 KT. SEAS 10 FT. PATCHY FOG. FREEZING SPRAY. 
.WED...N WIND 30 KT. SEAS 10 FT. PATCHY FOG. 
.WED NIGHT THROUGH FRI...N WIND 35 KT. SEAS 14 FT. 
.SAT...N WIND 40 KT. SEAS 17 FT.  

$$

PKZ413-310300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT TUE OCT 30 2012

...GALE WARNING THROUGH TONIGHT...

.TODAY...NE WIND 35 KT. SEAS 13 FT. 
.TONIGHT...NE WIND 25 TO 35 KT. SEAS 14 FT. PATCHY FOG. 
.WED...NE WIND 30 KT. SEAS 12 FT. PATCHY FOG. 
.WED NIGHT...N WIND 35 KT. SEAS 12 FT. 
.THU AND FRI...N WIND 40 KT. SEAS 14 FT. 
.SAT...N WIND 40 KT. SEAS 18 FT.  

$$

PKZ414-310300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT TUE OCT 30 2012

...GALE WARNING TODAY AND WEDNESDAY...

.TODAY...NE WIND 25 TO 35 KT. SEAS 11 FT. PATCHY FOG.  
.TONIGHT...N WIND 30 KT. SEAS 10 FT. FREEZING SPRAY. 
.WED...N WIND 35 KT. SEAS 12 FT. FREEZING SPRAY. 
.WED NIGHT...N WIND 40 KT. SEAS 14 FT. 
.THU...N WIND 45 KT. SEAS 18 FT. 
.FRI...N WIND 40 KT. SEAS 16 FT. 
.SAT...N WIND 45 KT. SEAS 18 FT.  

$$

JM
3 follow-up statements
154 
FZAK62 PAFC 302330
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT TUE OCT 30 2012

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.

PKZ499-311500-
400 PM AKDT TUE OCT 30 2012
.SYNOPSIS FOR CENTRAL BERING SEA...

HIGH PRESSURE WILL REMAIN OVER THE BERING SEA THROUGH THU AFTERNOON.

$$

PKZ411-311500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT TUE OCT 30 2012

.TONIGHT...E WIND 20 TO 30 KT. SEAS 8 TO 12 FT. PATCHY FOG. 
.WED...NE WIND 15 TO 25 KT. SEAS 6 TO 10 FT. PATCHY FOG. 
.WED NIGHT...NE WIND 15 KT. SEAS 8 FT. PATCHY FOG.
.THU...N WIND 20 KT. SEAS 6 FT. 
.THU NIGHT...NW WIND 20 KT. SEAS 6 FT. 
.FRI...N WIND 25 KT. SEAS 7 FT. 
.SAT...N WIND 25 KT. SEAS 9 FT. 
.SUN...N WIND 20 KT. SEAS 7 FT.  

$$

PKZ412-311500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT TUE OCT 30 2012

.TONIGHT...NE WIND 25 KT. SEAS 9 FT. PATCHY FOG. FREEZING SPRAY. 
.WED...N WIND 20 TO 30 KT. SEAS 6 TO 10 FT. PATCHY FOG. 
.WED NIGHT...N WIND 20 TO 30 KT. SEAS 6 TO 10 FT. FREEZING SPRAY. 
.THU...N WIND 30 KT. SEAS 10 FT. 
.THU NIGHT...N WIND 30 KT. SEAS 9 FT. 
.FRI AND SAT...N WIND 40 KT. SEAS 14 FT. 
.SUN...N WIND 35 KT. SEAS 11 FT.  

$$

PKZ413-311500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT TUE OCT 30 2012

...GALE WARNING TONIGHT...

.TONIGHT...NE WIND 25 TO 35 KT. SEAS 14 FT. PATCHY FOG. 
.WED...NE WIND 30 KT. SEAS 11 FT. PATCHY FOG. 
.WED NIGHT...N WIND 30 KT. SEAS 11 FT. 
.THU AND THU NIGHT...N WIND 35 KT. SEAS 12 FT. 
.FRI...N WIND 35 KT. SEAS 13 FT. 
.SAT...N WIND 40 KT. SEAS 15 FT. 
.SUN...N WIND 35 KT. SEAS 12 FT.  

$$

PKZ414-311500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT TUE OCT 30 2012

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...N WIND 30 KT. SEAS 11 FT. FREEZING SPRAY. 
.WED...N WIND 35 KT. SEAS 13 FT. FREEZING SPRAY. 
.WED NIGHT...N WIND 40 KT. SEAS 14 FT. FREEZING SPRAY. 
.THU...N WIND 40 KT. SEAS 16 FT. 
.THU NIGHT AND FRI...N WIND 40 KT. SEAS 17 FT. 
.SAT...N WIND 45 KT. SEAS 18 FT. 
.SUN...N WIND 40 KT. SEAS 15 FT.  

$$
070 
FZAK62 PAFC 311140
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT WED OCT 31 2012

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.

PKZ499-010300-
400 AM AKDT WED OCT 31 2012
.SYNOPSIS FOR CENTRAL BERING SEA...

HIGH PRESSURE WILL REMAIN OVER THE BERING SEA THROUGH LATE THU NIGHT.

$$

PKZ411-010300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT WED OCT 31 2012

.TODAY...NE WIND 15 TO 25 KT. SEAS 5 TO 10 FT. PATCHY FOG. 
.TONIGHT...NE WIND 15 KT. SEAS 4 TO 8 FT. PATCHY FOG. 
.THU...N WIND 15 KT. SEAS 6 FT. 
.THU NIGHT...NW WIND 20 KT. SEAS 6 FT. 
.FRI...N WIND 25 KT. SEAS 7 FT. 
.SAT...N WIND 20 KT. SEAS 8 FT. 
.SUN...N WIND 15 KT. SEAS 7 FT.  

$$

PKZ412-010300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT WED OCT 31 2012

...GALE WARNING TONIGHT...

.TODAY...N WIND 30 KT EXCEPT 20 KT W OF 175W. SEAS 10 FT. PATCHY FOG.
.TONIGHT...N WIND 35 KT  SEAS 11 FT. PATCHY FOG. FREEZING SPRAY. 
.THU...N WIND 30 KT EXCEPT 20 KT W OF 175W. SEAS 11 FT. PATCHY FOG.
FREEZING SPRAY. 
.THU NIGHT...N WIND 30 KT. SEAS 10 FT. 
.FRI...N WIND 35 KT. SEAS 15 FT. 
.SAT...N WIND 40 KT. SEAS 15 FT. 
.SUN...N WIND 35 KT. SEAS 12 FT.  

$$

PKZ413-010300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT WED OCT 31 2012

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...NE WIND 30 KT EXCEPT 20 KT W OF 175W. SEAS 11 FT. 
.TONIGHT...N WIND 35 KT EXCEPT 20 KT W OF 175W. SEAS 11 FT. 
.THU...N WIND 35 KT EXCEPT 20 KT W OF 175W. SEAS 13 FT. 
.THU NIGHT...N WIND 35 KT. SEAS 14 FT. 
.FRI...N WIND 40 KT. SEAS 14 FT. 
.SAT...N WIND 35 KT. SEAS 15 FT. 
.SUN...N WIND 30 KT. SEAS 13 FT.  

$$

PKZ414-010300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT WED OCT 31 2012

...GALE WARNING THROUGH THURSDAY...

.TODAY...N WIND 35 KT. SEAS 13 FT. FREEZING SPRAY. 
.TONIGHT...N WIND 45 KT. SEAS 13 TO 17 FT. FREEZING SPRAY. 
.THU...N WIND 45 KT. SEAS 15 TO 20 FT. FREEZING SPRAY. 
.THU NIGHT...N WIND 40 KT. SEAS 18 FT. 
.FRI AND SAT...N WIND 45 KT. SEAS 17 FT.  
.SUN...N WIND 40 KT. SEAS 16 FT.  

$$
000 
FZAK62 PAFC 312330
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT WED OCT 31 2012

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.

PKZ499-011500-
400 PM AKDT WED OCT 31 2012
.SYNOPSIS FOR CENTRAL BERING SEA...

HIGH PRESSURE REMAINS OVER THE WESTERN BERING SEA THROUGH FRI
AFTERNOON. DEEP LOW PRESSURE DEVELOPS WELL SOUTH OF KODIAK ISLAND
THU MORNING THROUGH FRI AFTERNOON.

$$

PKZ411-011500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT WED OCT 31 2012

.TONIGHT...NE WIND 15 KT. SEAS 7 FT. 
.THU...N WIND 15 KT. SEAS 6 FT. 
.THU NIGHT...N WIND 20 KT. SEAS 6 FT. 
.FRI...NW WIND 20 KT. SEAS 7 FT. 
.FRI NIGHT...N WIND 25 KT. SEAS 7 FT. 
.SAT...N WIND 20 KT. SEAS 7 FT. 
.SUN...N WIND 15 KT. SEAS 7 FT. 
.MON...SE WIND 15 KT. SEAS 6 FT.  

$$

PKZ412-011500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT WED OCT 31 2012

.TONIGHT...N WIND 20 TO 30 KT. SEAS 11 FT. 
.THU...N WIND 20 TO 30 KT. SEAS 11 FT. 
.THU NIGHT...N WIND 20 TO 30 KT. SEAS 10 FT. 
.FRI...N WIND 25 KT. SEAS 10 FT. 
.FRI NIGHT...N WIND 30 TO 40 KT. SEAS 13 FT. 
.SAT...N WIND 35 KT. SEAS 14 FT. 
.SUN...N WIND 35 KT. SEAS 12 FT. 
.MON...W WIND 20 KT. SEAS 6 FT.  

$$

PKZ413-011500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT WED OCT 31 2012

...GALE WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...N WIND 20 TO 30 KT. SEAS 11 FT. 
.THU...N WIND 25 TO 35 KT. SEAS 13 FT. 
.THU NIGHT...N WIND 25 TO 35 KT. SEAS 15 FT. 
.FRI...N WIND 20 TO 30 KT. SEAS 14 FT. 
.FRI NIGHT...N WIND 25 TO 35 KT. SEAS 13 FT. 
.SAT...N WIND 35 KT. SEAS 13 FT. 
.SUN...N WIND 30 KT. SEAS 13 FT. 
.MON...NE WIND 20 KT. SEAS 7 FT.  

$$

PKZ414-011500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT WED OCT 31 2012

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...N WIND 35 TO 45 KT. SEAS 16 FT. 
.THU...N WIND 45 KT. SEAS 18 FT. 
.THU NIGHT...N WIND 40 KT. SEAS 18 FT. 
.FRI...N WIND 35 TO 45 KT. SEAS 17 FT. 
.FRI NIGHT THROUGH SUN...N WIND 40 KT. SEAS 16 FT. 
.MON...N WIND 35 KT. SEAS 11 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 Oct 29, 2:00 PM AKDT, 14 hours earlier.

Area forecast discussion, Oct 29, 2:00 PM AKDT, 14 hours before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
200 PM AKDT MON OCT 29 2012

.MODEL DISCUSSION...
GUIDANCE AGAIN IN FAIRLY GOOD AGREEMENT IN THE SHORT TERM. THE NAM
AGREES WELL WITH THE ECMWF ON THE SURFACE LOW PLACEMENT IN THE
NORTHERN GULF OF ALASKA. BASED ON THIS AND THE BETTER HANDLING
OF SMALL SCALE AND TERRAIN EFFECTS THE NAM WAS THE PREFERRED
MODEL...WITH SOME ECMWF MIXED IN FOR THE WESTERN MARINE ZONES.

.ANALYSIS AND UPPER LEVELS...
UPPER LEVEL HIGH PRESSURE OVER THE BERING SEA IS RETROGRADING AS A
DEEP UPPER LOW OVER NORTHERN ALASKA MOVES SOUTH. AT LOWER LEVELS
SURFACE HIGH PRESSURE IS BUILDING INTO ALASKA FROM THE WEST WITH THE
COLD ADVECTION ASSOCIATED WITH THE UPPER LOW MOVES INTO THE AREA.

.SHORT TERM FORECAST...
AS THE BERING SEA HIGH RETROGRADES INTO EXTREME NORTHEAST RUSSIA THE
UPPER LOW OVER NORTHERN ALASKA WILL CONTINUE TO MOVE TOWARD THE
SOUTH-SOUTHEAST THROUGH TUESDAY AND THEN SETTLE INTO THE NORTHERN
GULF OF ALASKA BY TUESDAY NIGHT. MOISTURE IS SOMEWHAT LIMITED WITH
THIS SYSTEM AND CHANCES OF PRECIPITATION WILL BE MAINLY OVER HIGHER
ELEVATIONS OF SOUTHERN ALASKA AS WELL AS EAST OF A LINE THAT RUNS
FROM ABOUT TALKEETNA THROUGH MONTAGUE ISLAND. SURFACE WINDS WILL
INCREASE IN MOST AREAS AS LOW LEVEL COLD ADVECTION SETS IN. A
SURFACE LOW WILL DEVELOP IN THE GULF OF ALASKA SOUTH OF SEWARD THIS
AFTERNOON AND THEN STRENGTHEN AS IT MOVES TO JUST SOUTH OF CAPE
SUCKLING BY TUESDAY MORNING. THIS LOW WILL THEN DRIFT SLOWLY
EASTWARD AND WEAKEN THROUGH WEDNESDAY NIGHT.

.LONG TERM FORECAST...
THE UPPER LOW SHOULD BE GENERALLY IN THE GULF OF ALASKA FOR THE
EXTENDED PORTION OF THE FORECAST. GLOBAL MODELS DISAGREE SOMEWHAT AS
TO THE ORIENTATION OF THE LOW AND HOW MUCH MOISTURE AND WARMTH WRAP
AROUND IT. CURRENT FORECASTS HAVE SLIGHTLY ABOVE NORMAL TEMPERATURES
IN SOUTH CENTRAL ALASKA AND SLIGHTLY BELOW IN SOUTHWEST...WITH
PRECIPITATION CHANCES NEAR NORMAL SOUTH CENTRAL AND BELOW NORMAL
SOUTHWEST.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE WARNING 121 127 128 130 132 140 150 170 172 175.
FIRE WEATHER...NONE.

LUDWIG OCT 12

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 29, 4:00 PM AKDTGale WarningAFC63 hr
Oct 29, 4:00 PM AKDTGale WarningAFC63 hr
Oct 30, 4:00 AM AKDTGale WarningAFC36 hr
Oct 30, 4:00 AM AKDTGale WarningAFC51 hr
Oct 30, 4:00 AM AKDTSmall Craft AdvisoryAFC36 hr
Oct 30, 4:00 AM AKDTHeavy Freezing Spray WarningAFC36 hr

Nearby

Gale Warnings in Alaska, 2012Every gale warning in 2012

Sources

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