Alert archive / Alaska / Gale Warnings in 2015

Gale Warning 326, NWS Anchorage, AK

April 24, 2015

NWS Anchorage, AK issued this gale warning at Apr 24, 2015, 3:40 PM AKDT. It was in force for 72 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 24, 2015, 3:40 PM AKDT (23:40 UTC)
Expired
Apr 27, 2015, 3:15 PM AKDT
In force
72 hr
Issued by
NWS Anchorage, AK

The text

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

387 
FZAK61 PAFC 242340
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
340 PM AKDT FRI APR 24 2015

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-251345-
340 PM AKDT FRI APR 24 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 1008 MB LOW AT 47N 160W WILL INTENSIFY TO A 982 MB LOW AT 54N
145W SAT AFTERNOON. THIS LOW WILL THEN INTENSIFY TO 976 MB AS IT
MOVES TO 55N 148W SAT NIGHT THEN WEAKEN TO 979 MB AS IT MOVES TO
53N 148W SUN AFTERNOON. 

$$

PKZ351-251345-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
340 PM AKDT FRI APR 24 2015

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...SE WIND 15 KT. SEAS 4 TO 7 FT.
.SAT...E WIND 10 TO 25 KT. SEAS 5 TO 8 FT.
.SAT NIGHT...NE WIND 25 INCREASING TO 35 KT AFTER MIDNIGHT. SEAS
6 TO 10 FT BUILDING TO 10 TO 16 FT AFTER MIDNIGHT.
.SUN...NE WIND 30 TO 40 KT. SEAS 14 TO 17 FT.
.SUN NIGHT...E WIND 30 KT. SEAS 11 TO 15 FT.
.MON...NE WIND 15 TO 30 KT. SEAS 9 TO 13 FT.
.TUE THROUGH WED...S WIND 15 KT. SEAS 3 TO 6 FT.

$$

PKZ352-251345-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
340 PM AKDT FRI APR 24 2015

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...SE WIND 10 TO 20 KT. SEAS 7 FT.
.SAT...E WIND 20 TO 30 KT. SEAS 7 TO 10 FT. RAIN.
.SAT NIGHT...NE WIND 20 TO 35 KT. SEAS 10 TO 16 FT. RAIN.
.SUN...NE WIND 20 TO 35 KT. SEAS 11 TO 17 FT.
.SUN NIGHT...NE WIND 20 TO 30 KT. SEAS 10 TO 14 FT.
.MON...NE WIND 15 TO 25 KT. SEAS 9 TO 14 FT.
.TUE THROUGH WED...W WIND 15 KT. SEAS 4 TO 8 FT.

$$
6 follow-up statements
609 
FZAK61 PAFC 251143
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
343 AM AKDT SAT APR 25 2015

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-260115-
343 AM AKDT SAT APR 25 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 995 MB LOW NEAR 49N 148W WILL STRENGTHEN TO 979 MB NEAR 55N 144W
SAT NIGHT BEFORE WEAKENING TO 985 MB NEAR 54N 148W SUN NIGHT.

$$

PKZ351-260115-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
343 AM AKDT SAT APR 25 2015

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...E WIND 10 TO 20 KT INCREASING TO 25 KT IN THE AFTERNOON.
SEAS 5 TO 8 FT.
.TONIGHT...NE WIND 20 TO 30 KT INCREASING TO 35 KT AFTER MIDNIGHT.
SEAS 6 TO 10 FT BUILDING TO 9 TO 16 FT AFTER MIDNIGHT.
.SUN...NE WIND 40 KT. SEAS 14 TO 17 FT. RAIN.
.SUN NIGHT...E WIND 30 KT. SEAS 11 TO 15 FT.
.MON...NE WIND 15 TO 30 KT. SEAS 9 TO 13 FT.
.TUE THROUGH WED...S WIND 15 KT. SEAS 3 TO 6 FT.

$$

PKZ352-260115-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
343 AM AKDT SAT APR 25 2015

...GALE WARNING THROUGH SUNDAY...

.TODAY...E WIND 15 TO 25 KT INCREASING TO 25 TO 35 KT BY LATE AFTERNOON.
SEAS 7 TO 10 FT. RAIN.
.TONIGHT...NE WIND 20 TO 35 KT. SEAS 10 TO 16 FT. RAIN.
.SUN...NE WIND 20 TO 35 KT. SEAS 11 TO 17 FT. RAIN.
.SUN NIGHT...NE WIND 20 TO 30 KT. SEAS 10 TO 14 FT.
.MON...NE WIND 15 TO 25 KT. SEAS 9 TO 14 FT.
.TUE THROUGH WED...W WIND 15 KT. SEAS 4 TO 8 FT.

$$
878 
FZAK61 PAFC 252309
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
309 PM AKDT SAT APR 25 2015

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-261330-
309 PM AKDT SAT APR 25 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 982 MB LOW NEAR 53N 145W WILL MOVE TO 55N 147W AT 979 MB SUN
MORNING AND THEN DRIFT BACK TO 53N 145W AT 990 MB MON AFTERNOON.

$$

PKZ351-261330-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
309 PM AKDT SAT APR 25 2015

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...NE WIND 25 TO 35 KT. SEAS 8 TO 13 FT. RAIN.
.SUN...NE WIND 25 TO 40 KT. SEAS 13 TO 16 FT. RAIN.
.SUN NIGHT...E WIND 30 KT. SEAS 13 FT.
.MON...E WIND 30 KT. SEAS 10 TO 13 FT.
.MON NIGHT...NE WIND 15 TO 25 KT. SEAS 8 TO 12 FT.
.TUE THROUGH THU...SW WIND 15 KT. SEAS 3 TO 8 FT.

$$

PKZ352-261330-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
309 PM AKDT SAT APR 25 2015

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...NE WIND 20 TO 35 KT. SEAS 9 TO 15 FT. RAIN.
.SUN...N TO E WIND 20 TO 35 KT. SEAS 10 TO 16 FT. RAIN.
.SUN NIGHT...NE TO SE WIND 20 TO 30 KT. SEAS 10 TO 14 FT. RAIN.
.MON...NE WIND 15 TO 30 KT. SEAS 9 TO 13 FT.
.MON NIGHT...NE WIND 15 TO 25 KT. SEAS 7 TO 11 FT.
.TUE THROUGH THU...SW WIND UP TO 15 KT. SEAS 3 TO 8 FT.

$$
469 
FZAK61 PAFC 261139
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
339 AM AKDT SUN APR 26 2015

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-270100-
339 AM AKDT SUN APR 26 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 979 MB LOW NEAR 55N 146W WILL REMAIN NEARLY STATIONARY AT 987 MB
LATE SUN NIGHT...THEN MOVE TO 55N 141W AT 990 MB LATE MON NIGHT.

$$

PKZ351-270100-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
339 AM AKDT SUN APR 26 2015

...GALE WARNING TODAY...

.TODAY...NE WIND 25 TO 40 KT. SEAS 13 TO 16 FT. RAIN.
.TONIGHT...E WIND 30 KT. SEAS 14 FT.
.MON...NE WIND 20 TO 30 KT. SEAS 8 TO 12 FT. RAIN.
.MON NIGHT...NE WIND 15 TO 25 KT. SEAS 8 TO 12 FT.
.TUE THROUGH WED...NW WIND 15 KT. SEAS 3 TO 8 FT.
.THU...SW WIND 15 KT. SEAS 7 FT.

$$

PKZ352-270100-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
339 AM AKDT SUN APR 26 2015

...GALE WARNING THROUGH TONIGHT...

.TODAY...N TO E WIND 20 TO 35 KT. SEAS 11 TO 16 FT. RAIN.
.TONIGHT...N TO E WIND 20 TO 35 KT. SEAS 10 TO 16 FT.
.MON...N TO E WIND 15 TO 25 KT. SEAS 8 TO 11 FT. RAIN.
.MON NIGHT...NE WIND 10 TO 25 KT. SEAS 7 TO 10 FT.
.TUE THROUGH THU...SW WIND UP TO 20 KT. SEAS 4 TO 9 FT.

$$
713 
FZAK61 PAFC 262308
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
308 PM AKDT SUN APR 26 2015

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-271415-
308 PM AKDT SUN APR 26 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 982 MB LOW NEAR 55N 148W WILL MOVE TO 55N 140W AT 998 MB TUE
AFTERNOON.

$$

PKZ351-271415-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
308 PM AKDT SUN APR 26 2015

.TONIGHT...E WIND 15 TO 30 KT. SEAS 11 TO 15 FT.
.MON...E WIND 20 TO 30 KT. SEAS 9 TO 13 FT.
.MON NIGHT...NE WIND 25 KT. SEAS 10 FT.
.TUE...NW WIND 15 KT. SEAS 5 TO 8 FT.
.TUE NIGHT...SW WIND 10 TO 20 KT. SEAS 5 FT.
.WED THROUGH FRI...S WIND UP TO 15 KT. SEAS 3 TO 6 FT.

$$

PKZ352-271415-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
308 PM AKDT SUN APR 26 2015

...GALE WARNING TONIGHT...

.TONIGHT...NE WIND 20 TO 35 KT...EXCEPT SE WIND 15 TO 25 KT
EAST OF 148W. SEAS 10 TO 16 FT. RAIN.
.MON...NE WIND 15 TO 25 KT. SEAS 8 TO 12 FT. RAIN.
.MON NIGHT...NE WIND 15 TO 25 KT. SEAS 9 FT.
.TUE...NW WIND 15 KT. SEAS 5 TO 8 FT.
.TUE NIGHT...SW WIND 15 KT. SEAS 5 FT.
.WED THROUGH FRI...S WIND UP TO 20 KT. SEAS 4 TO 9 FT.

$$
771 
FZAK61 PAFC 271137
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
337 AM AKDT MON APR 27 2015

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-280300-
337 AM AKDT MON APR 27 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 982 MB LOW NEAR 55N 148W WILL MOVE TO 55N 140W AT 998 MB TUE
AFTERNOON.

$$

PKZ351-280300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
337 AM AKDT MON APR 27 2015

.TONIGHT...E WIND 15 TO 30 KT. SEAS 11 TO 15 FT.
.MON...E WIND 20 TO 30 KT. SEAS 9 TO 13 FT.
.MON NIGHT...NE WIND 25 KT. SEAS 10 FT.
.TUE...NW WIND 15 KT. SEAS 5 TO 8 FT.
.TUE NIGHT...SW WIND 10 TO 20 KT. SEAS 5 FT.
.WED THROUGH FRI...S WIND UP TO 15 KT. SEAS 3 TO 6 FT.

$$

PKZ352-280300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
337 AM AKDT MON APR 27 2015

...GALE WARNING TONIGHT...

.TONIGHT...NE WIND 20 TO 35 KT...EXCEPT SE WIND 15 TO 25 KT
EAST OF 148W. SEAS 10 TO 16 FT. RAIN.
.MON...NE WIND 15 TO 25 KT. SEAS 8 TO 12 FT. RAIN.
.MON NIGHT...NE WIND 15 TO 25 KT. SEAS 9 FT.
.TUE...NW WIND 15 KT. SEAS 5 TO 8 FT.
.TUE NIGHT...SW WIND 15 KT. SEAS 5 FT.
.WED THROUGH FRI...S WIND UP TO 20 KT. SEAS 4 TO 9 FT.

$$
524 
FZAK61 PAFC 272315
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
315 PM AKDT MON APR 27 2015

OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W

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.

PKZ399-281315-
315 PM AKDT MON APR 27 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 990 MB LOW AT 55N 145W WILL MOVE TO 54N 142W NOON TUE AT 996 MB
THEN DISSIPATE TUE AFTERNOON. A 987 MB LOW AT 59N 138W LATE TUE
MORNING WILL MOVE TO 60N 148W LATE TUE EVENING AT 996 MB THEN MOVE
INLAND NEAR 59N 154W WED MORNING. A 997 MB LOW AT 56N 153W LATE
WED MORNING WILL MOVE TO 56N 147W WED AFTERNOON.

$$

PKZ351-281315-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
315 PM AKDT MON APR 27 2015

.TONIGHT...NE WIND 30 KT DIMINISHING TO 15 TO 25 KT AFTER
MIDNIGHT. SEAS 9 TO 12 FT. RAIN SHOWERS.
.TUE...NW WIND 10 TO 20 KT. SEAS 8 FT.
.TUE NIGHT...SW WIND 20 KT. SEAS 6 FT.
.WED...S WIND UP TO 15 KT. SEAS 3 TO 6 FT.
.WED NIGHT...SE WIND 10 KT. SEAS 5 FT.
.THU THROUGH SAT...E WIND 10 TO 20 KT. SEAS 5 TO 10 FT.

$$

PKZ352-281315-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
315 PM AKDT MON APR 27 2015

.TONIGHT...N WIND 15 TO 25 KT. SEAS 9 FT. RAIN SHOWERS.
.TUE...NW WIND 15 TO 25 KT. SEAS 8 FT.
.TUE NIGHT...SW WIND 10 TO 20 KT. SEAS 6 FT.
.WED...SE WIND 15 KT. SEAS 6 FT.
.WED NIGHT...SW WIND UP TO 20 KT. SEAS 5 TO 9 FT.
.THU THROUGH SAT...E WIND 10 TO 20 KT. SEAS 6 TO 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 Apr 24, 4:43 AM AKDT, 10 hours 57 minutes earlier.

Area forecast discussion, Apr 24, 4:43 AM AKDT, 10 hours 57 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
443 AM AKDT FRI APR 24 2015

.ANALYSIS AND UPPER LEVELS...
THE MAJOR FEATURE IS A BROAD SPRAWLING STACKED SYSTEM THAT
ENCOMPASSES THE MAJORITY OF THE BERING SEA WITH CYCLONIC FLOW AT
ALL LEVELS SPREADING SOUTH OF THE ALEUTIAN CHAIN AND ENCROACHING
ON THE SOUTHWEST/SOUTHCENTRAL MAINLAND. THIS SYSTEM USED UP MOST
OF ITS BAROCLINITY LONG AGO BUT IS STILL BRINGING SHOTS OF LIFT AS
A NUMBER OF VORTICITY MAXIMA ROTATE AROUND THE LARGE SCALE
CIRCULATION. THE JET STREAM REMAINS WELL SOUTH OF THE CHAIN WHILE
RIDGING ALOFT BEGINS TO PUSH THE INCUMBENT SYSTEM OFF TO THE
EAST/SOUTHEAST. FROM A SENSIBLE WEATHER STANDPOINT...WIDESPREAD
SHOWERS OVER MUCH OF THE BERING SEA AND SOUTHWEST MAINLAND ALONG
WITH MOSTLY CLOUDY CONDITIONS. FURTHER TO THE EAST...MOSTLY QUIET
WEATHER OVER THE SOUTHCENTRAL WHICH IS ON THE PERIPHERY OF THE
CYCLONIC FLOW. MIDDLE TO HIGH LEVEL CLOUDS ARE STREAMING OVERHEAD
FROM THE WESTERN SYSTEM WHILE TEMPERATURES ARE SITTING SEASONABLY.

&&

.MODEL DISCUSSION...
GUIDANCE CONTINUES TO BE IN EXCELLENT AGREEMENT WITH THE MAIN
SYNOPTIC FEATURES FOR THE NEXT COUPLE DAYS. DIFFERENCES DO SHOW UP
IN PLACEMENT OF THE SURFACE SYSTEM AS THE UPPER LOW PRESSURE
SLIDES INTO THE GULF AND SPAWNS A NEW SURFACE LOW....BUT GUIDANCE
IS IN THE SAME GENERAL POSITION AND STRENGTH AS WELL AS FRONTAL
PLACEMENT. FORECAST CONFIDENCE IS HIGH FOR THIS PACKAGE.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (TODAY THROUGH SATURDAY)...

MAIN AREA OF CONCERN TODAY IS WITH THE POTENTIAL FOR CRITICAL FIRE
WEATHER CONDITIONS THIS AFTERNOON INTO EARLY EVENING...PRIMARILY
IN THE MATANUSKA VALLEY. OBSERVED MINIMUM RELATIVE HUMIDITIES HAVE
REACHED LEVELS WELL BELOW WHAT HAS BEEN FORECASTED THE LAST COUPLE
OF DAYS...PRIMARILY IN THE COPPER RIVER BASIN...MATANUSKA
VALLEY...AND FROM EAST ANCHORAGE NORTHWARD. IN ADDITION...MODELS
CONTINUE TO DEPICT A VERY DRY LAYER THE ATMOSPHERE DEVELOPING OVER
THE CHUGACH RANGE SINCE YESTERDAY. THIS...COMBINED WITH INCREASED
MIXING EXPECTED THIS AFTERNOON AS WEAK SURFACE RIDGING BUILDS
ALONG THE COAST AND A THERMAL TROUGH DEVELOPS TO THE NORTH...WILL
CAUSE WINDS OUT OF THE KNIK RIVER VALLEY TO INCREASE TO GUSTS NEAR
25 MPH. THIS INCREASED MIXING WILL MOST LIKELY ALLOW THE EXTREMELY
DRY LAYER A FEW THOUSAND FEET ABOVE THE SURFACE TO REACH THE
SURFACE...RESULTING IN RED FLAG CONDITIONS. WHILE THERE IS
MODERATE CONFIDENCE THAT CRITICAL FIRE WEATHER CONDITIONS WILL
OCCUR IN THE MATANUSKA VALLEY...THERE IS LOWER CONFIDENCE THAT
THESE CONDITIONS MAY ALSO EXTEND A BIT WEST INTO THE SOUTHERN
SUSITNA VALLEY (NEAR WILLOW) MAINLY ALONG THE PARKS HIGHWAY AS
WELL AS TO THE SOUTH ACROSS NORTHERN ANCHORAGE...INCLUDING THE
EAGLE RIVER AND EKLUTNA RIVER VALLEYS. HAVE OPTED TO GO WITH THE
RED FLAG WARNING FOR THE ENTIRE MATANUSKA VALLEY ZONE...WITH THE
CONCERN FOR LOW HUMIDITY VALUES POSSIBLY REACHING THE CRITICAL 15
PERCENT THRESHOLD IN THE FIRE WEATHER ZONE FORECASTS FOR THE
SUSITNA VALLEY AND FROM EAST ANCHORAGE NORTHWARD.

THE REASON FOR LOW TO MODERATE CONFIDENCE IN REACHING CRITICAL
FIRE WEATHER CONDITIONS MAINLY CONCERN THE DEGREE OF HIGH LEVEL
CLOUD COVER JUST TO THE SOUTH AND WEST...AND HOW MUCH IT EXTENDS
OVER THE THREATENED AREA.

OTHERWISE...GENERALLY BENIGN AND PLEASANT CONDITIONS
CHARACTERIZED BY MID/HIGH LEVEL CLOUDINESS AND NEAR TO SLIGHTLY
ABOVE NORMAL TEMPERATURES WILL CONTINUE TO PREVAIL ACROSS
SOUTHCENTRAL AK THROUGH THE FIRST PART OF THE WEEKEND AS THE MOST
ACTIVE WEATHER REMAINS CONFINED TO THE FAR SOUTHERN GULF. A
STALLED FRONT OVER THE WESTERN GULF WILL CONTINUE TO BRING
OCCASIONAL LIGHT RAIN TO KODIAK ISLAND AND SOUTHERN PORTIONS OF
THE KENAI PENINSULA AS IT GRADUALLY WEAKENS INTO SATURDAY. MODEST
GAP WINDS WILL DEVELOP THROUGH TURNAGAIN ARM AND THE MATANUSKA
VALLEY ON FRIDAY AS A SURFACE RIDGE BUILDS ALONG THE NORTH GULF
COAST.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (TODAY THROUGH SATURDAY)...

THE AREA OF LOW PRESSURE SITUATED NEAR THE PRIBILOF ISLANDS WILL
CONTINUE TO PUSH SOUTH AND EAST THROUGHOUT THE DAY. WHAT LITTLE
REMAINS OF A FRONT THAT WAS OBSERVED LAST NIGHT HAS SINCE
DISSIPATED...WITH LARGE SCALE LIFT NOW BEING THE MAIN CULPRIT
BEHIND SHOWER ACTIVITY EXPECTED THROUGH THE WEEKEND. THE SHOWERS
WILL PREDOMINANTLY BE RAIN...WITH SOME SNOW MIXING IN OVERNIGHT
ALONG THE KUSKOKWIM DELTA COAST AND HIGHER ELEVATIONS. AS THE LOW
SLIDES SOUTH OF THE ALASKA PENINSULA ON SATURDAY...THE
SOUTHEASTERLY WINDS WILL SHIFT TOWARD THE NORTH AND A DRYING TREND
WILL BE OBSERVED. THIS SHOULD ALSO ALLOW TEMPERATURES TO GRADUALLY
WARM THROUGH THE WEEKEND.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (TODAY THROUGH SATURDAY)...

THE MAJORITY OF THE SHOWER ACTIVITY WILL BE CONFINED TO THE
EASTERN BERING SEA AHEAD OF THE AREA OF LOW PRESSURE OVER THE
PRIBILOF ISLANDS. COLD AIR FILTERING ACROSS THE BERING SEA WILL
CREATE STEEP MID-LEVEL LAPSE RATES CONDUCIVE TO SHOWER ACTIVITY
ACROSS THE WESTERN ALEUTIANS THIS MORNING AND GRADUALLY SHIFT
EASTWARD OVER THE WEEKEND. HIGH PRESSURE WILL BEGIN TO BUILD
ACROSS THE WESTERN BERING SEA LATE THIS AFTERNOON...WHICH SHOULD
HELP SUPPRESS SHOWER ACTIVITY FOR THE TIME BEING. AN AREA OF LOW
PRESSURE WILL THEN DEVELOP OVER THE WESTERN BERING SEA SATURDAY
NIGHT...WHICH WILL LEAD TO ANOTHER ROUND OF PRECIPITATION AND WIND
ACROSS THE WESTERN ALEUTIANS.

&&

.LONG TERM FORECAST (DAYS 3 THROUGH 7)...
THERE IS GOOD AGREEMENT FROM THE MODELS THAT THE GULF LOW THIS
WEEKEND WILL REMAIN WELL SOUTH OF THE MAINLAND INTO EARLY NEXT
WEEK. THIS WILL BRING MOSTLY CLEAR SKIES TO MUCH OF THE
SOUTHCENTRAL FOR THE LATER HALF OF THE WEEKEND AND POSSIBLY SOME
OF THE WARMEST TEMPERATURES OF THE SEASON. ALONG THE NORTH GULF
COAST AND KODIAK ISLAND LIGHT SHOWERS ARE EXPECTED FROM THE LOW.
BY MID WEEK RIDGING FROM THE WEST WILL PUSH THE LOW OFF TO THE
SOUTHEAST.

THERE IS MUCH LESS AGREEMENT OUT WEST WITH THE NEXT LOW MOVING
THROUGH THE BERING SUNDAY AND MONDAY. THE OPERATIONAL RUNS LACK
CONSISTENCY WITH THE PLACEMENT OF THE LOW SO THE ENSEMBLES WHERE
USED FOR A MORE GENERALIZED LOCATION. REGARDLESS OF THE EXACT
TRACK THE LOW WILL BRING RAIN TO THE ALEUTIANS INTO EARLY NEXT
WEEK.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...GALE 170 172 173-178.
FIRE WEATHER...RED FLAG WARNING 111.

&&

SYNOPSIS AND MODEL DISCUSSION...MTL
SOUTHCENTRAL ALASKA...CC
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...MC
LONG TERM...DK/DEK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 4:00 PM AKDTFire Weather WatchAFC8 hr
Apr 24, 12:01 AM AKDTRed Flag WarningAFC45 hr
Apr 24, 3:35 AM AKDTSmall Craft AdvisoryAFC24 hr
Apr 24, 3:40 AM AKDTGale WarningAFC35 hr
Apr 24, 3:45 PM AKDTSmall Craft AdvisoryAFC60 hr

Nearby

Gale Warnings in Alaska, 2015Every gale warning in 2015

Sources

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