Alert archive / Alaska / Gale Warnings in 2013

Gale Warning 467, NWS Anchorage, AK

August 24, 2013

NWS Anchorage, AK issued this gale warning at Aug 24, 2013, 4:00 AM AKDT. It was in force for 48 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
Aug 24, 2013, 4:00 AM AKDT (12:00 UTC)
Expired
Aug 26, 2013, 4:00 AM AKDT
In force
48 hr
Issued by
NWS Anchorage, AK

The text

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

453 
FZAK62 PAFC 241150
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SAT AUG 24 2013

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.

PKZ499-250300-
400 AM AKDT SAT AUG 24 2013
.SYNOPSIS FOR CENTRAL BERING SEA...
A 997 MB LOW AT 57N 176E WILL MOVE TO 62N 179W AT 988 MB SAT NIGHT 
THEN MOVE TO 64N 177W AT 997 MB BY LATE SUN NIGHT. ANOTHER LOW IN THE
NORTH PACIFIC WILL MOVE TO 56N 179W BY LATE SUN NIGHT.
$$

PKZ411-250300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT SAT AUG 24 2013

.TODAY...W WIND 20 TO 30 KT. SEAS 9 FT. PATCHY FOG. 
.TONIGHT...W WIND 25 KT. SEAS 9 FT. PATCHY FOG. 
.SUN...SW WIND 20 KT. SEAS 8 FT. 
.SUN NIGHT...NE WIND 25 KT. SEAS 7 FT. 
.MON...W WIND 25 KT. SEAS 10 FT. 
.TUE...NW WIND 25 KT. SEAS 9 FT. 
.WED...NE WIND 15 KT. SEAS 5 FT.  

$$

PKZ412-250300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT SAT AUG 24 2013

.TODAY...S WIND 25 KT. SEAS 10 FT. AREAS OF FOG. RAIN.
.TONIGHT...SW WIND 30 KT. SEAS 11 FT. PATCHY FOG. 
.SUN...W WIND 25 KT. SEAS 11 FT. PATCHY FOG. 
.SUN NIGHT...S WIND 25 KT. SEAS 8 FT. 
.MON...W WIND 30 KT. SEAS 12 FT. 
.TUE...W WIND 25 KT. SEAS 11 FT. 
.WED...N WIND 20 KT. SEAS 8 FT.  

$$

PKZ413-250300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT SAT AUG 24 2013

...GALE WARNING THROUGH TONIGHT...

.TODAY...SW WIND 25 TO 35 KT. SEAS 11 FT. PATCHY FOG. 
.TONIGHT...SW WIND 25 TO 35 KT. SEAS 13 FT. PATCHY FOG. 
.SUN...SW WIND 20 KT. SEAS 9 FT. PATCHY FOG. 
.SUN NIGHT...S WIND 35 KT. SEAS 9 FT. 
.MON...W WIND 35 KT. SEAS 12 FT. 
.TUE...W WIND 20 KT. SEAS 9 FT. 
.WED...N WIND 20 KT. SEAS 5 FT.  

$$

PKZ414-250300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT SAT AUG 24 2013

.TODAY...S WIND 25 KT. SEAS 6 FT. AREAS OF FOG. RAIN.
.TONIGHT...SW WIND 30 KT. SEAS 10 FT. PATCHY FOG. 
.SUN...W WIND 25 KT. SEAS 9 FT. PATCHY FOG. 
.SUN NIGHT...SW WIND 25 KT. SEAS 8 FT. 
.MON...SW WIND 30 KT. SEAS 11 FT. 
.TUE...W WIND 25 KT. SEAS 12 FT. 
.WED...NW WIND 20 KT. SEAS 6 FT.  

$$

JM
4 follow-up statements
288 
FZAK62 PAFC 242321
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SAT AUG 24 2013

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.

PKZ499-251500-
400 PM AKDT SAT AUG 24 2013
.SYNOPSIS FOR CENTRAL BERING SEA...
A 990 MB LOW NEAR 60N 178E WILL MOVE TO 64N 179W SUN AFTERNOON 
AND THEN WEAKEN OVER EASTERN RUSSIA ON MON. AN ASSOCIATED FRONT 
OVER THE CENTRAL BERING SEA WILL WEAKEN AS IT MOVES INLAND ACROSS
SOUTHWEST ALASKA ON SUN. A DEVELOPING PACIFIC LOW WILL TRACK TO 
50N 172E SUN AFTERNOON AT 1000 MB AND THEN TO 57N 170W MON AFTERNOON.

$$

PKZ411-251500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT SAT AUG 24 2013

.TONIGHT...W WIND 25 KT. SEAS 9 FT. PATCHY FOG. 
.SUN...SW WIND 15 TO 25 KT. SEAS 8 FT. PATCHY FOG. 
.SUN NIGHT...SE WIND 25 KT BECOMING N AFTER MIDNIGHT. W OF
176E...VARIABLE WIND 15 KT. SEAS 6 FT. PATCHY FOG.
.MON...W WIND 20 KT. SEAS 8 FT. 
.MON NIGHT...W WIND 20 KT. SEAS 7 FT. 
.TUE...N WIND 20 KT. SEAS 7 FT. 
.WED...NE WIND 15 KT. SEAS 5 FT. 
.THU...SE WIND 25 KT. SEAS 9 FT. 

$$

PKZ412-251500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT SAT AUG 24 2013

...GALE WARNING TONIGHT...

.TONIGHT...SW WIND 25 TO 35 KT. SEAS 12 FT. PATCHY FOG. 
.SUN...W WIND 20 TO 30 KT. SEAS 11 FT. PATCHY FOG. 
.SUN NIGHT...SW WIND 20 KT. SEAS 8 FT. PATCHY FOG. 
.MON...N WIND 25 KT. SEAS 8 FT. 
.MON NIGHT...W WIND 20 KT. SEAS 8 FT. 
.TUE...W WIND 20 KT. SEAS 8 FT. 
.WED...N WIND 20 KT. SEAS 8 FT. 
.THU...N WIND 15 KT. SEAS 5 FT.  

$$

PKZ413-251500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT SAT AUG 24 2013

...GALE WARNING TONIGHT AND SUNDAY NIGHT...

.TONIGHT...SW WIND 25 TO 35 KT. SEAS 12 FT. PATCHY FOG. 
.SUN...W WIND 25 KT BECOMING SW 15 KT IN THE AFTERNOON. SEAS 9 FT.
PATCHY FOG. 
.SUN NIGHT...S WIND 20 KT INCREASING TO 35 KT AFTER MIDNIGHT. SEAS
6 FT BUILDING TO 10 FT AFTER MIDNIGHT. PATCHY FOG. RAIN.
.MON...W WIND 35 KT. SEAS 12 FT. 
.MON NIGHT...W WIND 30 KT. SEAS 10 FT. 
.TUE...W WIND 15 KT. SEAS 5 FT. 
.WED...N WIND 20 KT. SEAS 5 FT. 
.THU...NE WIND 20 KT. SEAS 7 FT. 

$$

PKZ414-251500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT SAT AUG 24 2013

.TONIGHT...SW WIND 20 TO 30 KT. SEAS 9 FT. AREAS OF FOG. RAIN.
.SUN...W WIND 30 KT. SEAS 10 FT. AREAS OF FOG. 
.SUN NIGHT...W WIND 15 TO 25 KT. SEAS 8 FT. PATCHY FOG. 
.MON...S WIND 30 KT. SEAS 9 FT. 
.MON NIGHT...NW WIND 30 KT. SEAS 10 FT. 
.TUE...W WIND 25 KT. SEAS 9 FT. 
.WED...NW WIND 20 KT. SEAS 6 FT. 
.THU...NW WIND 25 KT. SEAS 7 FT. 

$$
711 
FZAK62 PAFC 251135
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SUN AUG 25 2013

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.

PKZ499-260300-
400 AM AKDT SUN AUG 25 2013
.SYNOPSIS FOR CENTRAL BERING SEA...
A 989 MB LOW NEAR 61N 180 WILL MOVE TO 64N 177W THIS AFTERNOON 
AND THEN WEAKEN OVER EASTERN RUSSIA ON MON. AN ASSOCIATED FRONT WILL
WEAKEN AS IT MOVES INLAND ACROSS SOUTHWEST ALASKA TODAY. A DEVELOPING
PACIFIC LOW WILL TRACK TO  51N 171E SUN AFTERNOON AT 1000 MB AND THEN
TO 57N 162W LATE MON NIGHT.

$$

PKZ411-260300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT SUN AUG 25 2013

.TODAY...SW WIND 15 TO 25 KT. SEAS 6 TO 9 FT. PATCHY FOG. 
.TONIGHT...VARIABLE WIND 15 KT BECOMING NW 25 KT AFTER MIDNIGHT. SEAS
4 TO 7 FT. PATCHY FOG. 
.MON...W WIND 10 TO 20 KT. SEAS 5 TO 8 FT. PATCHY FOG. 
.MON NIGHT...W WIND 20 KT. SEAS 7 FT. 
.TUE...N WIND 20 KT. SEAS 7 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 9 FT. 
.THU...SE WIND 20 KT. SEAS 12 FT.  

$$

PKZ412-260300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT SUN AUG 25 2013

...GALE WARNING TODAY...

.TODAY...W WIND 25 TO 35 KT DECREASING TO 20 TO 30 KT IN THE
AFTERNOON. SEAS 8 TO 12 FT. AREAS OF FOG. 
.TONIGHT...W WIND 25 KT BECOMING S 15 KT AFTER MIDNIGHT. SEAS 10 FT
SUBSIDING TO 6 FT AFTER MIDNIGHT. PATCHY FOG. 
.MON...VARIABLE WIND 15 KT BECOMING NE WIND 20 KT BY NOON. SEAS 5 TO
8 FT. PATCHY FOG. 
.MON NIGHT AND TUE...W WIND 20 KT. SEAS 8 FT. 
.WED...N WIND 20 KT. SEAS 8 FT. 
.THU...N WIND 15 KT. SEAS 8 FT.  

$$

PKZ413-260300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT SUN AUG 25 2013

...GALE WARNING TONIGHT AND MONDAY...

.TODAY...W WIND 15 TO 25 KT. SEAS 7 TO 11 FT. PATCHY FOG. 
.TONIGHT...S WIND 25 KT INCREASING TO 35 KT AFTER MIDNIGHT. SEAS 7
BUILDING TO 14 FT AFTER MIDNIGHT. PATCHY FOG. RAIN.
.MON...SW WIND 35 KT BECOMING W IN THE AFTERNOON. SEAS 14 FT. PATCHY
FOG. 
.MON NIGHT...W WIND 25 KT. SEAS 11 FT. 
.TUE...NW WIND 15 KT. SEAS 6 FT. 
.WED...N WIND 15 KT. SEAS 5 FT. 
.THU...NE WIND 20 KT. SEAS 12 FT.  

$$

PKZ414-260300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT SUN AUG 25 2013

...GALE WARNING TODAY...

.TODAY...W WIND 25 TO 35 KT. SEAS 8 TO 13 FT. AREAS OF FOG. 
.TONIGHT...W WIND 25 KT BECOMING SW 15 KT AFTER MIDNIGHT. SEAS 11 FT
DIMINISHING TO 8 FT AFTER MIDNIGHT. PATCHY FOG. RAIN.
.MON...S WIND 30 KT...EXCEPT E WIND 15 KT N OF 57N. SEAS 7 TO 11 FT.
PATCHY FOG. RAIN.
.MON NIGHT...NW WIND 30 KT. SEAS 11 FT. 
.TUE...W WIND 20 KT. SEAS 9 FT. 
.WED AND THU...NW WIND 20 KT. SEAS 9 FT. 

$$
155 
FZAK62 PAFC 252344
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SUN AUG 25 2013

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.

PKZ499-261500-
400 PM AKDT SUN AUG 25 2013
.SYNOPSIS FOR CENTRAL BERING SEA...
A 993 MB LOW NEAR 63N 178W WILL WEAKEN AS IT MOVES TO EASTERN 
RUSSIA ON MON. A 1000 MB LOW NEAR 52N 174E WILL MOVE TO 57N 168W 
MON AFTERNOON AND THEN QUICKLY EXIT TO THE NORTHEAST PACIFIC ON 
TUE. ANOTHER PACIFIC LOW WILL TRACK TO 52N 178W TUE AFTERNOON 
AT 1005 MB.

$$

PKZ411-261500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT SUN AUG 25 2013

.TONIGHT...VARIABLE WIND 20 KT BECOMING NW AFTER MIDNIGHT. SEAS 6 FT.
PATCHY FOG. 
.MON...W WIND 10 TO 20 KT. SEAS 7 FT. PATCHY FOG. 
.MON NIGHT...W WIND 20 KT. SEAS 6 FT. 
.TUE...N WIND 20 KT. SEAS 6 FT. 
.TUE NIGHT...N WIND 15 KT. SEAS 6 FT. 
.WED...NE WIND 20 KT. SEAS 9 FT. 
.THU...SE WIND 20 KT. SEAS 12 FT. 
.FRI...NE WIND 15 KT. SEAS 9 FT.  

$$

PKZ412-261500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT SUN AUG 25 2013

.TONIGHT...SW WIND 15 TO 25 KT. SEAS 10 FT SUBSIDING TO 6 FT AFTER
MIDNIGHT. PATCHY FOG. 
.MON...N WIND 15 KT. SEAS 7 FT. PATCHY FOG. 
.MON NIGHT AND TUE...W WIND 20 KT. SEAS 7 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 6 FT. 
.WED...N WIND 15 KT. SEAS 6 FT. 
.THU...N WIND 15 KT. SEAS 9 FT. 
.FRI...NE WIND 15 KT. SEAS 8 FT.  

$$

PKZ413-261500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT SUN AUG 25 2013

...GALE WARNING THROUGH MONDAY...

.TONIGHT...S WIND 20 KT IN THE EVENING INCREASING TO 35 KT. SEAS 7 FT
BUILDING TO 11 FT AFTER MIDNIGHT. AREAS OF FOG. RAIN.
.MON...W WIND 35 KT BECOMING NW 20 KT IN THE AFTERNOON. SEAS 11 FT.
PATCHY FOG. 
.MON NIGHT...NW WIND 15 KT. SEAS 7 FT. PATCHY FOG. 
.TUE...E WIND 15 KT. SEAS 5 FT. 
.TUE NIGHT AND WED...N WIND 15 KT. SEAS 5 FT. 
.THU...NE WIND 20 KT. SEAS 12 FT. 
.FRI...N WIND 15 KT. SEAS 8 FT.  

$$

PKZ414-261500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT SUN AUG 25 2013

.TONIGHT...W WIND 25 KT. SEAS 10 FT. PATCHY FOG. 
.MON...S WIND 20 TO 30 KT BECOMING N 25 KT IN THE AFTERNOON. SEAS 8
FT. PATCHY FOG. RAIN.
.MON NIGHT...NW WIND 10 TO 20 KT. SEAS 8 FT. PATCHY FOG. 
.TUE AND TUE NIGHT...W WIND 15 KT. SEAS 7 FT. 
.WED...NW WIND 20 KT. SEAS 7 FT. 
.THU...NW WIND 20 KT. SEAS 9 FT.
.FRI...N WIND 15 KT. SEAS 8 FT.  

$$
822 
FZAK62 PAFC 261143
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT MON AUG 26 2013

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.

PKZ499-270300-
400 AM AKDT MON AUG 26 2013
.SYNOPSIS FOR CENTRAL BERING SEA...
A 1000 MB LOW NEAR 55N 173W WILL MOVE TO 54N 162W 
THIS AFTERNOON AT 1006 MB AND THEN QUICKLY EXIT TO THE NORTHEAST
PACIFIC TONIGHT. ANOTHER PACIFIC LOW WILL TRACK TO 52N 177W TUE
MORNING AT 1006 MB THEN MOVE TO 55N 162W LATE TUE NIGHT AT 1001 MB.

$$

PKZ411-270300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT MON AUG 26 2013

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

$$

PKZ412-270300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT MON AUG 26 2013

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

$$

PKZ413-270300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT MON AUG 26 2013

.TODAY...NW WIND 30 KT...EXCEPT W WIND 20 KT W OF 175W. SEAS 7 TO 10
FT. PATCHY FOG. 
.TONIGHT...NW WIND 15 KT BECOMING VARIABLE WIND 10 KT AFTER MIDNIGHT.
SEAS 3 TO 6 FT. PATCHY FOG. 
.TUE...VARIABLE WIND 10 KT BECOMING NE 15 KT IN THE AFTERNOON. SEAS 4
FT. PATCHY FOG. RAIN.
.TUE NIGHT...N WIND 15 KT. SEAS 6 FT. 
.WED...NE WIND 15 KT. SEAS 6 FT. 
.THU...SE WIND 20 KT. SEAS 6 FT.
.FRI...W WIND 15 KT. SEAS 7 FT.  

$$

PKZ414-270300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT MON AUG 26 2013

.TODAY...S OF 56N...S WIND 30 KT BECOMING N 25 KT IN THE AFTERNOON.
SEAS 10 FT. N OF 56N...VARIABLE WIND 10 KT BECOMING N 15 KT IN THE
AFTERNOON. SEAS 5 FT. PATCHY FOG. RAIN.
.TONIGHT...NW WIND 15 KT. SEAS 5 TO 8 FT. PATCHY FOG. 
.TUE AND TUE NIGHT...W WIND 15 KT. SEAS 6 FT. 
.WED AND THU...NW WIND 15 KT. SEAS 6 FT.
.FRI...W WIND 15 KT. SEAS 4 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 Aug 24, 4:00 AM AKDT, 0 minutes earlier.

Area forecast discussion, Aug 24, 4:00 AM AKDT, 0 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SAT AUG 24 2013

.ANALYSIS AND UPPER LEVELS...

THE STRONG PAIR OF POTENTIAL VORTICITY ANOMALIES WHICH TRACKED OVER
SOUTHCENTRAL YESTERDAY HAVE NOW MERGED WITH A LARGE POLAR VORTEX
CENTERED EAST OF THE BEAUFORT SEA...FORMING A LARGE UPPER LEVEL LOW
OVER SOUTHERN ALASKA. ANOTHER POTENTIAL VORTICITY ANOMALY AND
ASSOCIATED 100 KT JET MAXIMA IN NORTHWEST FLOW CURRENTLY OVER
SOUTHWEST ALASKA WILL MERGE WITH THE AFOREMENTIONED TROUGH...FORMING
A STRONGER CLOSED LOW IN THE GULF OF ALASKA THIS WEEKEND. FARTHER
WEST...AN UPPER RIDGE AXIS REMAINS OVER THE CENTRAL AND EASTERN
BERING SEA WITH A DEEPENING SUBTROPICAL WAVE DISTURBANCE ALONG ITS
WESTERN PERIPHERY NEAR 45N 170E.

AT THE SURFACE...A LOW IN THE NORTHERN GULF OF ALASKA WILL TRACK
SOUTHEAST THROUGH TODAY...WITH WEAK HIGH PRESSURE OVER THE INTERIOR
BUILDING OVER THE WEEKEND AS MASS SUBSIDENCE INCREASES. THIS WILL
SETUP A CLASSIC FALL LIKE OFFSHORE FLOW PATTERN. FARTHER WEST...A
GALE FORCE SUBTROPICAL LOW OVER THE WESTERN BERING WILL TRACK
NORTH...PUSHING A WARM FRONTAL BOUNDARY THROUGH THE BERING THROUGH
SATURDAY.

.MODEL DISCUSSION...

THE NUMERICAL GUIDANCE IS ALL IN RELATIVELY STRONG AGREEMENT WITH THE
GENERAL UPPER AIR PATTERN INTO EARLY NEXT WEEK...WITH THE BIGGEST
DISCREPANCY ASSOCIATED WITH A SUBTROPICAL WAVE DISTURBANCE TRACKING
ACROSS THE SOUTHERN BERING SEA EARLY NEXT WEEK. THE ECMWF HAS
CONSISTENTLY BEEN MUCH MORE AGGRESSIVE PHASING THAT FEATURE WITH A
LARGER UPPER LOW OVER EASTERN SIBERIA...THEN TRACKING A WAVE
DISTURBANCE INTO SOUTHERN ALASKA TUESDAY (SEE EXTENDED DISCUSSION).
IN THE SHORT TERM...THE NAM WAS FAVORED OVER SOUTHERN ALASKA DUE TO
ITS INCREASED RESOLUTION AND SUPERIOR HANDLING OF CHANNELED GAP WINDS
WHILE THE GFS AND ECMWF WERE FAVORED OVER THE BERING.

.SHORT TERM FORECAST...

SOUTHCENTRAL...
ISOLATED TO SCATTERED SHOWERS CONTINUE ACROSS THE COPPER RIVER BASIN
THIS MORNING. THESE WILL CONTINUE THROUGH THE AFTERNOON...BUT
DIMINISH IN INTENSITY AS THE DAY PROGRESSES. A FEW POCKETS OF LOCALLY
DENSE FOG THIS MORNING WILL RAPIDLY BURN OFF BY MID MORNING.
ELSEWHERE...A FEW ISOLATED SHOWERS ALONG THE TALKEETNA RANGE...ALASKA
RANGE...AND HIGHER CHUGACH ARE POSSIBLE THIS AFTERNOON...BUT STRONG
DRYING AND SUBSIDENCE WILL LIKELY KEEP ALL OF SOUTHCENTRAL OUTSIDE OF
THE COPPER RIVER BASIN DRY. OFFSHORE FLOW WILL INCREASE THIS
AFTERNOON AND INTO THE OVERNIGHT AS HIGH PRESSURE BUILDS OVER THE
INTERIOR...WITH ENHANCED NORTH TO WEST CHANNELED GAP WINDS THROUGH
FAVORED TERRAIN. GENERALLY DRY AND QUIESCENT WEATHER WILL CONTINUE
THROUGH MONDAY.

SOUTHWEST ALASKA...
DRY AND QUIESCENT WEATHER WILL DOMINATE THE REGION TODAY AS HIGH
PRESSURE BUILDS AND CLOUDS DIMINISH. A FRONT WILL APPROACH THE
WESTERN COAST THIS EVENING AND SPREAD INLAND THROUGH SUNDAY BEFORE
FALLING APART SUNDAY NIGHT. EXPECT RAIN ALONG THE COAST WITH MORE
SHOWERY CONDITIONS FARTHER INLAND.

BERING SEA/ALEUTIANS/ALASKA PENINSULA...
A SUBTROPICAL LOW OVER THE WESTERN BERING SEA WILL TRACK NORTH...WITH
A WARM FRONT TRACKING ACROSS THE ENTIRE BERING BY LATE SATURDAY. RAIN
AND INCREASING WEST TO SOUTHWEST WINDS WILL IMPACT THE REGION...WITH
AREAS OF FOG LIKELY REMAINING ENTRENCHED OVER MOST OF THE AREA
THROUGH THE SHORT TERM.

.LONG TERM FORECAST...

TUESDAY AND BEYOND...THERE IS SOME DISCREPANCY AMONG THE GLOBAL
GUIDANCE WITH RESPECT TO A SUBTROPICAL WAVE DISTURBANCE TRACKING
ACROSS THE SOUTHERN BERING SEA...AND ITS INTERACTION WITH AN UPPER
LOW OVER EASTERN SIBERIA. THE ECMWF IS MUCH MORE AGGRESSIVE WITH BOTH
THE SUBTROPICAL LOW AND THE DEGREE OF PHASING...WITH WET WEATHER
ENVELOPING MUCH OF SOUTHCENTRAL TUESDAY AND WEDNESDAY. THE GFS AND
ITS ENSEMBLE ARE NOT NEARLY AS BULLISH...WITH THE NET RESULT BEING
DRIER WEATHER LASTING THROUGH WEDNESDAY. FOR THE TIME BEING...THE
ECMWF IS FAVORED AS IT TENDS TO INITIALIZE SUBTROPICAL WAVES A BIT
BETTER THAN THE GFS. THEREAFTER...THE UPPER LOW WILL LIKELY REMAIN
THROUGH THURSDAY BEFORE SLOWLY TRACKING EASTWARD...WITH SHORT LIVED
HIGH PRESSURE BUILDING OVER SOUTHERN ALASKA LATE FRIDAY AND SATURDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 185 413.
FIRE WEATHER...NONE.

AHSENMACHER AUG 13

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 4:00 PM AKDTGale WarningAFC24 hr
Aug 23, 4:00 PM AKDTSmall Craft AdvisoryAFC60 hr
Aug 23, 4:00 PM AKDTSmall Craft AdvisoryAFC12 hr
Aug 24, 4:00 AM AKDTSmall Craft AdvisoryAFC12 hr
Aug 24, 4:00 AM AKDTSmall Craft AdvisoryAFC60 hr
Aug 24, 6:28 AM AKDTSmall Craft AdvisoryAFC10 hr
Aug 24, 1:30 PM AKDTSmall Craft AdvisoryAFC3 hr

Nearby

Gale Warnings in Alaska, 2013Every gale warning in 2013

Sources

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