Alert archive / Alaska / Gale Warnings in 2008

Gale Warning 351, NWS Anchorage, AK

April 13, 2008

NWS Anchorage, AK issued this gale warning at Apr 13, 2008, 11:00 PM AKDT. It was in force for 36 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
Apr 13, 2008, 11:00 PM AKDT (07:00 UTC)
Expired
Apr 15, 2008, 11:00 AM AKDT
In force
36 hr
Issued by
NWS Anchorage, AK

The text

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

000 
FZAK62 PAFC 141159
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM ADT MON APR 14 2008

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.

PKZ499-150200-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 1008 MB LOW NEAR 55N 174W WILL MOVE RAPIDLY ACROSS THE ALASKA
PENINSULA LATE TONIGHT AT 1004 MB. A COLD FRONT WILL DROP
SOUTHWARD ACROSS THE BERING SEA TODAY AND TONIGHT. HIGH PRESSURE WILL
BUILD OVER THE FAR WESTERN BERING SEA TODAY AND MOVE TO THE CENTRAL
BERING TUE.

$$

PKZ411-150200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM ADT MON APR 14 2008

...GALE WARNING TODAY...

.TODAY...N WIND 35 KT. SEAS 15 FT. SNOW AND RAIN SHOWERS. 
.TONIGHT...NW WIND 25 KT. SEAS 12 FT. FREEZING SPRAY. 
.TUE...W WIND 25 KT. SEAS 8 FT. 
.TUE NIGHT...SW WIND 30 KT. SEAS 9 FT. 
.WED...S WIND 40 KT. SEAS 16 FT. 
.THU...S WIND 45 KT. SEAS 21 FT. 
.FRI...SW WIND 30 KT. SEAS 18 FT.  

$$

PKZ412-150200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM ADT MON APR 14 2008

...HEAVY FREEZING SPRAY WARNING TONIGHT...

.TODAY...NW WIND 30 KT. SEAS IN ICE FREE WATERS 12 FT. 
SNOW SHOWERS. FREEZING SPRAY. 
.TONIGHT...N WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT. 
HEAVY FREEZING SPRAY. 
.TUE...NW WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT. FREEZING SPRAY. 
.TUE NIGHT AND WED...SW WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT.
.THU...S WIND 40 KT. SEAS IN ICE FREE WATERS 18 FT. 
.FRI...S WIND 25 KT. SEAS IN ICE FREE WATERS 16 FT.  

$$

PKZ413-150200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM ADT MON APR 14 2008

...GALE WARNING THROUGH TONIGHT...

.TODAY...SW WIND 20 KT BECOMING N 35 KT THIS MORNING. SEAS 14 FT.
RAIN AND SNOW SHOWERS. 
.TONIGHT...N WIND 35 KT. SEAS 14 FT. 
.TUE...N WIND 30 KT DIMINISHING TO NW 20 KT IN THE AFTERNOON. 
SEAS 13 FT. FREEZING SPRAY. 
.TUE NIGHT...W WIND 25 KT. SEAS 9 FT. 
.WED...S WIND 35 KT. SEAS 11 FT. 
.THU...S WIND 40 KT. SEAS 18 FT. 
.FRI...S WIND 25 KT. SEAS 14 FT.  

$$

PKZ414-150200-
BERING SEA OFFSHORE EAST OF 171W
400 AM ADT MON APR 14 2008

...GALE WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING TUESDAY...

.TODAY...W WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT. SNOW SHOWERS. 
.TONIGHT...N WIND 35 KT. SEAS IN ICE FREE WATERS 12 FT. SNOW SHOWERS.
FREEZING SPRAY. 
.TUE...N WIND 30 KT. SEAS IN ICE FREE WATERS 12 FT. 
HEAVY FREEZING SPRAY. 
.TUE NIGHT AND WED...W WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT.
.THU AND FRI...S WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT. 

$$
4 follow-up statements
000 
FZAK62 PAFC 150005
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM ADT MON APR 14 2008

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.

PKZ499-151400-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 1008 MB LOW NEAR 56N 170W WILL MOVE TO 57N 159W TONIGHT AT 1005 MB
THEN WILL DISSIPATE OVER THE WESTERN GULF TUE AFTERNOON. HIGH
PRESSURE OVER THE WESTERN BERING SEA WILL SPREAD IN SOUTHWEST
ALASKA WED.
$$

PKZ411-151400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM ADT MON APR 14 2008

.TONIGHT...NW WIND 25 KT DECREASING TO 15 KT AFTER MIDNIGHT. SEAS 7
TO 12 FT...HIGHEST SOUTH OF 56N. FREEZING SPRAY. 
.TUE...SW WIND 25 KT. SEAS 8 FT. FREEZING SPRAY. 
.TUE NIGHT...SW WIND 25 KT. SEAS 8 FT. 
.WED...S WIND 40 KT. SEAS 12 FT. 
.WED NIGHT...S WIND 45 KT. SEAS 23 FT. 
.THU...S WIND 40 KT. SEAS 21 FT. 
.FRI...SW WIND 30 KT. SEAS 20 FT. 
.SAT...VARIABLE WIND 10 KT. SEAS 12 FT.  

$$

PKZ412-151400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM ADT MON APR 14 2008

...GALE WARNING TONIGHT...

.TONIGHT...N WIND 35 KT. SEAS 12 FT IN ICE FREE WATERS. FREEZING
SPRAY. 
.TUE...NW WIND 25 KT. SEAS 9 FT IN ICE FREE WATERS. FREEZING SPRAY. 
.TUE NIGHT...W WIND 25 KT. SEAS 7 FT IN ICE FREE WATERS. 
.WED...SW WIND 30 KT. SEAS 8 FT IN ICE FREE WATERS. 
.WED NIGHT...S WIND 40 KT. SEAS 11 FT IN ICE FREE WATERS. 
.THU...S WIND 35 KT. SEAS 18 FT IN ICE FREE WATERS. 
.FRI...S WIND 25 KT. SEAS 16 FT IN ICE FREE WATERS. 
.SAT...E WIND 15 KT. SEAS 14 FT IN ICE FREE WATERS.  

$$

PKZ413-151400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM ADT MON APR 14 2008

...GALE WARNING TONIGHT...

.TONIGHT...N WIND 35 KT. SEAS 14 FT. 
.TUE...N WIND 30 KT. SEAS 14 FT. 
.TUE NIGHT...W WIND 20 KT. SEAS 8 FT. 
.WED...SW WIND 35 KT. SEAS 9 FT. 
.WED NIGHT...S WIND 40 KT. SEAS 14 FT. 
.THU...S WIND 40 KT. SEAS 18 FT. 
.FRI...S WIND 25 KT. SEAS 14 FT. 
.SAT...N WIND 15 KT. SEAS 12 FT.  

$$

PKZ414-151400-
BERING SEA OFFSHORE EAST OF 171W
400 PM ADT MON APR 14 2008

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...N WIND 35 KT. SEAS IN ICE FREE WATERS 12 FT. SNOW AND
RAIN. 
.TUE...N WIND 35 KT. SEAS IN ICE FREE WATERS 13 FT. FREEZING SPRAY. 
.TUE NIGHT...NW WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT. FREEZING
SPRAY. 
.WED...W WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.WED NIGHT...SW WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. 
.THU...S WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT. 
.FRI...S WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT. 
.SAT...E WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT.  

$$
000 
FZAK62 PAFC 151158
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM ADT TUE APR 15 2008

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.

PKZ499-160200-
.SYNOPSIS FOR CENTRAL BERING SEA...
HIGH PRESSURE OVER THE WESTERN BERING SEA WILL SPREAD EAST OVER THE
EASTERN BERING SEA BY WEDNESDAY NIGHT. A WEATHER FRONT WILL MOVE INTO
THE WESTERN BERING SEA WEDNESDAY.

$$

PKZ411-160200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM ADT TUE APR 15 2008

...GALE WARNING WEDNESDAY...

.TODAY...NW WIND 15 KT BECOMING SW 25 KT THIS MORNING. SEAS 8 FT.
.TONIGHT...SW WIND 25 KT. SEAS 8 FT. 
.WED...S WIND 35 KT INCREASING TO S 45 KT IN THE AFTERNOON. 
SEAS 14 FT. 
.WED NIGHT...S WIND 45 KT. SEAS 21 FT. 
.THU...S WIND 35 KT. SEAS 20 FT. 
.FRI...SW WIND 30 KT. SEAS 20 FT. 
.SAT...NW WIND 20 KT. SEAS 13 FT.  

$$

PKZ412-160200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM ADT TUE APR 15 2008

...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...NW WIND 30 KT DIMINISHING TO W 20 KT IN THE AFTERNOON. 
SEAS 9 FT. HEAVY FREEZING SPRAY. 
.TONIGHT...W WIND 25 KT. SEAS 7 FT. FREEZING SPRAY. 
.WED...SW WIND 25 KT. SEAS 8 FT. 
.WED NIGHT...S WIND 40 KT. SEAS 14 FT. 
.THU...S WIND 35 KT. SEAS 20 FT. 
.FRI...S WIND 30 KT. SEAS 15 FT. 
.SAT...NE WIND 20 KT. SEAS 12 FT.  

$$

PKZ413-160200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM ADT TUE APR 15 2008

...GALE WARNING TODAY AND WEDNESDAY...

.TODAY...N WIND 35 KT BECOMING NW 25 KT IN THE AFTERNOON. SEAS
14 FT. FREEZING SPRAY. 
.TONIGHT...NW WIND 20 KT. SEAS 9 FT. 
.WED...SW WIND 20 KT BECOMING S 35 KT IN THE AFTERNOON. SEAS 9 FT. 
.WED NIGHT AND THU...S WIND 40 KT. SEAS 16 FT. 
.FRI...S WIND 30 KT. SEAS 14 FT. 
.SAT...NE WIND 20 KT. SEAS 10 FT.  

$$

PKZ414-160200-
BERING SEA OFFSHORE EAST OF 171W
400 AM ADT TUE APR 15 2008

...GALE WARNING TODAY...

.TODAY...N WIND 35 KT. SEAS IN ICE FREE WATERS 13 FT. SNOW SHOWERS.
FREEZING SPRAY. 
.TONIGHT...NW WIND 25 KT DIMINISHING TO NW 15 KT AFTER MIDNIGHT. 
SEAS IN ICE FREE WATERS 10 FT. FREEZING SPRAY. 
.WED...W WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING SPRAY. 
.WED NIGHT...SW WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.THU...S WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT. 
.FRI AND SAT...SE WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT. 

$$
000 
FZAK62 PAFC 151232 CCA
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA...CORRECTION
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM ADT TUE APR 15 2008

CORRECTED 412

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.

PKZ499-160200-
.SYNOPSIS FOR CENTRAL BERING SEA...
HIGH PRESSURE OVER THE WESTERN BERING SEA WILL SPREAD EAST OVER THE
EASTERN BERING SEA BY WEDNESDAY NIGHT. A WEATHER FRONT WILL MOVE INTO
THE WESTERN BERING SEA WEDNESDAY.

$$

PKZ411-160200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM ADT TUE APR 15 2008

...GALE WARNING WEDNESDAY...

.TODAY...NW WIND 15 KT BECOMING SW 25 KT THIS MORNING. SEAS 8 FT.
.TONIGHT...SW WIND 25 KT. SEAS 8 FT. 
.WED...S WIND 35 KT INCREASING TO S 45 KT IN THE AFTERNOON. 
SEAS 14 FT. 
.WED NIGHT...S WIND 45 KT. SEAS 21 FT. 
.THU...S WIND 35 KT. SEAS 20 FT. 
.FRI...SW WIND 30 KT. SEAS 20 FT. 
.SAT...NW WIND 20 KT. SEAS 13 FT.  

$$

PKZ412-160200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM ADT TUE APR 15 2008

...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...NW WIND 30 KT DIMINISHING TO W 20 KT IN THE AFTERNOON. 
SEAS IN ICE FREE WATERS 9 FT. HEAVY FREEZING SPRAY. 
.TONIGHT...W WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. FREEZING
SPRAY. 
.WED...SW WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT. 
.WED NIGHT...S WIND 40 KT. SEAS IN ICE FREE WATERS 14 FT. 
.THU...S WIND 35 KT. SEAS IN ICE FREE WATERS 20 FT. 
.FRI...S WIND 30 KT. SEAS IN ICE FREE WATERS 15 FT. 
.SAT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 12 FT.  

$$

PKZ413-160200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM ADT TUE APR 15 2008

...GALE WARNING TODAY AND WEDNESDAY...

.TODAY...N WIND 35 KT BECOMING NW 25 KT IN THE AFTERNOON. SEAS
14 FT. FREEZING SPRAY. 
.TONIGHT...NW WIND 20 KT. SEAS 9 FT. 
.WED...SW WIND 20 KT BECOMING S 35 KT IN THE AFTERNOON. SEAS 9 FT. 
.WED NIGHT AND THU...S WIND 40 KT. SEAS 16 FT. 
.FRI...S WIND 30 KT. SEAS 14 FT. 
.SAT...NE WIND 20 KT. SEAS 10 FT.  

$$

PKZ414-160200-
BERING SEA OFFSHORE EAST OF 171W
400 AM ADT TUE APR 15 2008

...GALE WARNING TODAY...

.TODAY...N WIND 35 KT. SEAS IN ICE FREE WATERS 13 FT. SNOW SHOWERS.
FREEZING SPRAY. 
.TONIGHT...NW WIND 25 KT DIMINISHING TO NW 15 KT AFTER MIDNIGHT. 
SEAS IN ICE FREE WATERS 10 FT. FREEZING SPRAY. 
.WED...W WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING SPRAY. 
.WED NIGHT...SW WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.THU...S WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT. 
.FRI AND SAT...SE WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT. 

$$
000 
FZAK62 PAFC 152356
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM ADT TUE APR 15 2008

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.

PKZ499-161400-
.SYNOPSIS FOR CENTRAL BERING SEA...
HIGH PRESSURE RIDGE OVER THE BERING SEA WILL MOVE EAST INTO WESTERN
ALASKA WED NIGHT. A 999 MB LOW OVER THE NORTHWEST PACIFIC WILL MOVE
NORTHEAST TO NEAR 59N 166E AND STRENGTHEN TO 989 MB THU AFTERNOON.
$$

PKZ411-161400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM ADT TUE APR 15 2008

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

.TONIGHT...SW WIND 25 KT. SEAS 8 FT. 
.WED...S WIND 35 KT INCREASING TO 45 KT IN THE AFTERNOON. SEAS
8 TO 14 FT...HIGHEST SOUTH OF 56N. 
.WED NIGHT...S WIND 45 KT. SEAS 20 FT. RAIN AND SNOW.
.THU...S WIND 35 KT. SEAS 20 FT. 
.THU NIGHT...SW WIND 35 KT. SEAS 20 FT. 
.FRI...SW WIND 25 KT. SEAS 18 FT. 
.SAT...SW WIND 20 KT. SEAS 11 FT. 
.SUN...N WIND 25 KT. SEAS 15 FT.  

$$

PKZ412-161400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM ADT TUE APR 15 2008

...GALE WARNING WEDNESDAY NIGHT...

.TONIGHT...W WIND 25 KT. SEAS 7 FT IN ICE FREE WATERS. PATCHY FOG.
FREEZING SPRAY. 
.WED...SW WIND 25 KT. SEAS 8 FT IN ICE FREE WATERS. FREEZING SPRAY. 
.WED NIGHT...S WIND 25 TO 40 KT. SEAS 8 TO 14 FT IN ICE FREE WATERS.
HIGHEST WINDS AND SEAS WEST OF 175W. 
.THU...S WIND 35 KT. SEAS 20 FT IN ICE FREE WATERS. 
.THU NIGHT...S WIND 35 KT. SEAS 17 FT IN ICE FREE WATERS. 
.FRI...S WIND 25 KT. SEAS 15 FT IN ICE FREE WATERS. 
.SAT...NE WIND 20 KT. SEAS 12 FT IN ICE FREE WATERS. 
.SUN...NE WIND 15 KT. SEAS 8 FT IN ICE FREE WATERS.  

$$

PKZ413-161400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM ADT TUE APR 15 2008

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

.TONIGHT...NW WIND 20 KT. SEAS 9 FT. 
.WED...SW WIND 20 KT BECOMING S 35 KT IN THE AFTERNOON. SEAS 9 FT. 
.WED NIGHT...S WIND 40 KT. SEAS 16 FT. 
.THU...S WIND 35 KT. SEAS 18 FT. 
.THU NIGHT...S WIND 30 KT. SEAS 15 FT. 
.FRI...S WIND 25 KT. SEAS 13 FT. 
.SAT...N WIND 20 KT. SEAS 11 FT. 
.SUN...NW WIND 20 KT. SEAS 8 FT.  

$$

PKZ414-161400-
BERING SEA OFFSHORE EAST OF 171W
400 PM ADT TUE APR 15 2008

.TONIGHT...NW WIND 25 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. SEAS
IN ICE FREE WATERS 12 FT DIMINISHING TO 7 FT AFTER MIDNIGHT. FREEZING
SPRAY. 
.WED...W WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING SPRAY. 
.WED NIGHT...SW WIND 20 KT INCREASING TO 30 KT AFTER MIDNIGHT. SEAS
IN ICE FREE WATERS 7 FT. 
.THU...S WIND 25 KT. SEAS IN ICE FREE WATERS 9 FT. 
.THU NIGHT...S WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT. 
.FRI...SE WIND 25 KT. SEAS IN ICE FREE WATERS 11 FT. 
.SAT...E WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT. 
.SUN...SE WIND 25 KT. SEAS IN ICE FREE WATERS 9 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 13, 8:00 AM AKDT, 15 hours earlier.

Area forecast discussion, Apr 13, 8:00 AM AKDT, 15 hours before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
100 PM ADT SUN APR 13 2008

.ANALYSIS AND UPPER LEVELS...A FAIRLY FLAT RIDGE CENTERED OVER THE
NORTH PACIFIC EXTENDS UP INTO THE SOUTHERN BERING WHILE AN ANCHOR
LOW SITS TO THE NORTH OVER THE CHUKCHI SEA. THERE IS A TROUGH ON
EITHER SIDE OF THE RIDGE OVER THE FAR WESTERN BERING AND OVER THE
FAR EASTERN GULF. ANOTHER TROUGH EXTENDS SOUTHEAST FROM THE ANCHOR
LOW OVER MAINLAND ALASKA...NOT QUITE IN PHASE WITH THE EASTERN GULF
TROUGH. THE UPPER JET IS RIDING RIGHT OVER TOP OF THE RIDGE...DRIVING
WARM AIR AND MOISTURE ACROSS THE BERING SEA INTO SOUTHWEST ALASKA. AT
THE SURFACE THERE IS A LOW OVER NORTON SOUND TRACKING EAST-NORTHEAST
WITH WARM FRONT EXTENDING SOUTHEASTWARD OVER INTERIOR SOUTHWEST
ALASKA. WARM AIR HAS CHANGED PRECIPITATION TO MAINLY RAIN ALONG THE
COAST WHILE INLAND TEMPERATURES REMAIN PLENTY COLD FOR ALL SNOW.
MID TO HIGH CLOUDS HAVE BEEN TRYING TO MOVE INTO SOUTHCENTRAL THIS
MORNING...BUT ANTICYCLONIC FLOW ALOFT HAS RESULTED IN SOME
DISSIPATION. STILL THE TREND IS TOWARD INCREASING AND LOWERING
CLOUDS. THE TROUGH EXITING TO THE EAST COMBINED WITH A NORTHEAST
GULF SURFACE LOW HAVE BEEN PRODUCING AREAS OF SNOW FROM EASTERN
PRINCE WILLIAM SOUND TO THE COPPER RIVER BASIN. OBSERVATIONS SHOW
SLOW IMPROVEMENT IN THESE AREAS.

.MODEL DISCUSSION...NAM INITIALIZED BEST WITH DUAL SURFACE LOWS
OVER THE NORTH TO EAST GULF. OTHERWISE...MODELS CONTINUE TO SHOW
EXCELLENT AGREEMENT AND EXPECT ONLY MINOR ADJUSTMENTS AND FINE-TUNING
OF CURRENT FORECAST.

.SHORT TERM FORECAST...THE MAINLAND ALASKA TROUGH WILL LIFT
NORTHEASTWARD TONIGHT WHILE SURFACE LOW TRACKS TO INTERIOR ALASKA.
PROGRESSIVE PATTERN TO THE SOUTH WILL MOVE RIDGE EASTWARD WITH
STRONG WESTERLIES ON TOP OF THE RIDGE PUSHING MOST OF WARM AIR
EASTWARD INTO THE GULF. THERE ARE A COUPLE WAVES EMBEDDED IN THE
WESTERLY FLOW THAT MAY PRODUCE SOME AREAS OF LIGHT PRECIPITATION
OVER SOUTHCENTRAL TONIGHT AND MONDAY...MAINLY AT HIGHER ELEVATIONS.
LOW LEVELS ARE QUITE DRY AND THERE IS NOT ENOUGH MOISTURE TO SATURATE
THE AIR. MEANWHILE...ARCTIC AIR BEHIND THE WESTERN BERING UPPER
TROUGH AND CHUKCHI SEA UPPER LOW WILL BEGIN TO USHER DOWN INTO THE
NORTHERN TO WESTERN BERING CHANGING PRECIPITATION BACK TO SNOW. WITH
A PROGRESSIVE PATTERN THIS TROUGH WILL QUICKLY MOVE EASTWARD ACROSS
THE BERING MONDAY AND MAINLAND ALASKA TUESDAY AND WEDNESDAY. IT WILL
AMPLIFY AS IT MOVES EASTWARD IN RESPONSE TO BUILDING RIDGE UPSTREAM
AND RESULTANT STRENGTHENING NORTHERLY JET. THERE WILL BE GOOD MID
TO UPPER LEVEL LIFT AHEAD OF THIS TROUGH...BUT IN THE LOW LEVELS
COLD AND DRY AIR WILL QUICKLY USHER IN. THEREFORE...FOR SOUTHWEST
AND SOUTHCENTRAL ALASKA EXPECT ONLY MINOR SNOW MONDAY NIGHT AND
TUESDAY WITH THE TROUGH...MAINLY IN UPSLOPE AREAS. THE BERING
SEA/ALEUTIANS/ALASKA PENINSULA WILL SEE MORE PRECIPITATION AS WELL
AS COLD ADVECTION SNOW SHOWERS BEHIND THE TROUGH. A SURFACE LOW
WILL FORM OVER THE NORTHERN GULF/PRINCE WILLIAM SOUND REGION MONDAY
NIGHT...NOT SOON ENOUGH TO PUSH ANY MOISTURE BACK WESTWARD. IT WILL
HOWEVER LIKELY RESULT IN ENHANCED SNOW OVER PORTIONS OF EASTERN
PRINCE WILLIAM SOUND AND THE EASTERN COPPER RIVER BASIN. AN UPPER
LOW WILL FORM OVER THE GULF WEDNESDAY AS THE UPPER TROUGH BECOMES
NEUTRALLY TILTED...WHICH WILL SLOW THE EASTWARD PROGRESSION OF THE
TROUGH. STILL...EXPECT IMPROVING CONDITIONS FROM WEST TO EAST ON
WEDNESDAY. ANOTHER SHORTWAVE WILL DROP INTO WESTERN ALASKA WEDNESDAY
BRINGING ANOTHER SHOT OF SNOW TO SOUTHWEST ALASKA AND REINFORCEMENT
OF COLD AIR. THE UPCOMING COLD ADVECTION EVENT WILL RESULT IN
WIDESPREAD GUSTY WINDS...WITH STRONG WINDS THROUGH CHANNELED AREAS
OF THE MOUNTAIN RANGES OVER THE SOUTHERN MAINLAND AND ALASKA
PENINSULA. WILL START TO BETTER REFLECT SOME OF THESE GAP WINDS
WITH THE NEW FORECAST. FINALLY...THE BERING SEA WILL DRY OUT TUESDAY
AS HIGH PRESSURE BUILDS OVER THE REGION. ANOTHER SYSTEM WILL APPROACH
THE WESTERN ALEUTIANS WEDNESDAY.

.LONG TERM FORECAST...MEDIUM RANGE MODELS ARE IN VERY GOOD AGREEMENT
WITH EVOLUTION OF UPPER LEVEL PATTERN WHILE DETAILS ARE AS USUAL IN
QUESTION. PATTERN WILL BECOME MORE AMPLIFIED WITH A RIDGE BUILDING
OVER MAINLAND ALASKA/GULF AND TROUGH SETTING UP OVER THE BERING SEA.
THEREFORE...EXPECT AN ACTIVE STORM TRACK FROM THE PACIFIC NORTH INTO
THE BERING SEA WHILE MOST OF MAINLAND ALASKA...ESPECIALLY THE EASTERN
HALF...WILL REMAIN DRY UNDERNEATH THE BLOCKING RIDGE.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE WARNING 132 138 150 155 170 172 175 176.
FIRE WEATHER...NONE.

SEB APR 08

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 11:00 PM AKDTBrisk Wind AdvisoryAFC24 hr
Apr 13, 11:00 PM AKDTGale WarningAFC36 hr
Apr 13, 11:00 PM AKDTSmall Craft AdvisoryAFC24 hr
Apr 13, 11:00 PM AKDTHeavy Freezing Spray WarningAFC12 hr
Apr 14, 11:00 AM AKDTGale WarningAFC3 days
Apr 14, 11:00 AM AKDTGale WarningAFC12 hr
Apr 14, 11:00 AM AKDTGale WarningAFC12 hr
Apr 14, 11:00 AM AKDTGale WarningAFC60 hr
Apr 14, 11:00 AM AKDTSmall Craft AdvisoryAFC36 hr
Apr 14, 11:00 AM AKDTSmall Craft AdvisoryAFC3 days

Nearby

Gale Warnings in Alaska, 2008Every gale warning in 2008

Sources

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