Alert archive / Alaska / Gale Warnings in 2015

Gale Warning 723, NWS Anchorage, AK

November 24, 2015

NWS Anchorage, AK issued this gale warning at Nov 24, 2015, 3:29 AM AKST. It was in force for 3 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 24, 2015, 3:29 AM AKST (12:29 UTC)
Expired
Nov 27, 2015, 2:56 PM AKST
In force
3 days
Issued by
NWS Anchorage, AK

The text

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

761 
FZAK61 PAFC 241229
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
329 AM AKST TUE NOV 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.

PKZ399-250115-
329 AM AKST TUE NOV 24 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A FRONT NEAR THE WESTERN GULF WILL REMAIN NEARLY STATIONARY AND
GRADUALLY WEAKEN THROUGH TONIGHT. ANOTHER STRONGER FRONT WILL
MOVE INTO THE WESTERN GULF WED MORNING...THEN MOVE INTO THE
CENTRAL GULF BY WED NIGHT.

$$

PKZ351-250115-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
329 AM AKST TUE NOV 24 2015

...GALE WARNING WEDNESDAY...

.TODAY...SW WIND 20 TO 30 KT. SEAS 10 TO 13 FT.
.TONIGHT...S WIND 25 KT. SEAS 10 TO 13 FT.
.WED...SE WIND 35 KT. SEAS 10 TO 18 FT. RAIN.
.WED NIGHT...S WIND 35 KT. SEAS 15 TO 23 FT.
.THU...S WIND 20 TO 30 KT. SEAS 16 TO 21 FT.
.FRI THROUGH SAT...S WIND 30 KT. SEAS 11 TO 16 FT.

$$

PKZ352-250115-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
329 AM AKST TUE NOV 24 2015

...GALE WARNING WEDNESDAY...

.TODAY...S WIND 20 TO 30 KT. SEAS 11 TO 16 FT.
.TONIGHT...S WIND 20 TO 30 KT. SEAS 12 TO 15 FT.
.WED...SE WIND 30 TO 40 KT. SEAS 15 TO 23 FT.
.WED NIGHT...S WIND 25 TO 40 KT. SEAS 18 TO 24 FT.
.THU THROUGH SAT...S WIND 15 TO 30 KT. SEAS 13 TO 20 FT.

$$
7 follow-up statements
120 
FZAK61 PAFC 250016
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
316 PM AKST TUE NOV 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.

PKZ399-251445-
316 PM AKST TUE NOV 24 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A FRONT NEAR THE WESTERN GULF WILL REMAIN NEARLY STATIONARY AND
GRADUALLY WEAKEN THROUGH TONIGHT. A 992 MB LOW NEAR 53N 155W WED
MORNING MOVES TO 59N 154W AT 991 MB THU MORNING...THEN MOVES
INLAND AND DISSIPATES.

$$

PKZ351-251445-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
316 PM AKST TUE NOV 24 2015

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

.TONIGHT...S WIND 20 TO 30 KT. SEAS 12 FT. RAIN.
.WED...SE WIND 35 KT. SEAS 12 TO 18 FT. RAIN.
.WED NIGHT...S WIND 40 KT. SEAS 15 TO 23 FT. RAIN.
.THU...SE WIND 30 KT. SEAS 17 TO 20 FT.
.THU NIGHT...S WIND 25 TO 35 KT. SEAS 16 TO 19 FT.
.FRI THROUGH SUN...SE WIND 20 TO 30 KT. SEAS 9 TO 17 FT.

$$

PKZ352-251445-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
316 PM AKST TUE NOV 24 2015

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

.TONIGHT...S WIND 20 TO 30 KT. SEAS 11 TO 15 FT. RAIN.
.WED...S WIND 30 TO 40 KT. SEAS 15 TO 23 FT. RAIN.
.WED NIGHT...S WIND 30 TO 40 KT DIMINISHING TO 20 TO 35 KT AFTER
MIDNIGHT. SEAS 17 TO 24 FT. RAIN.
.THU...S WIND 20 TO 35 KT. SEAS 15 TO 20 FT.
.THU NIGHT...S WIND 20 TO 35 KT. SEAS 15 TO 20 FT.
.FRI THROUGH SAT...S WIND 20 TO 30 KT. SEAS 13 TO 19 FT.
.SUN...SE WIND 30 KT. SEAS 9 TO 15 FT.

$$
341 
FZAK61 PAFC 251252
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
352 AM AKST WED NOV 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.

PKZ399-260200-
352 AM AKST WED NOV 25 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 993 MB LOW NEAR 50N 155W MOVES TO 58N 152W AT 995 MB THU MORNING...
THEN MOVES INLAND NEAR 60N 152W AND DISSIPATES. A 996 MB LOW NEAR
54N 148W THU AFTERNOON MOVES TO 58N 150W EARLY FRI AND DISSIPATES.
A FRONT ENTERS THE SOUTHWESTERN GULF LATE THU.

$$

PKZ351-260200-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
352 AM AKST WED NOV 25 2015

...GALE WARNING THROUGH THURSDAY...

.TODAY...SE WIND 30 TO 40 KT. SEAS 10 TO 13 FT BUILDING TO 12 TO
19 FT IN THE AFTERNOON. RAIN.
.TONIGHT...S WIND 40 KT. GUSTS TO 55 KT. SEAS 19 TO 26 FT. RAIN.
.THU...SE WIND 20 TO 35 KT. SEAS 19 TO 23 FT. RAIN.
.THU NIGHT...SE WIND 25 TO 35 KT. SEAS 15 TO 23 FT.
.FRI THROUGH SUN...SE WIND 20 TO 30 KT. SEAS 9 TO 17 FT.

$$

PKZ352-260200-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
352 AM AKST WED NOV 25 2015

...GALE WARNING THROUGH THURSDAY...

.TODAY...SE WIND 30 TO 40 KT. SEAS 14 TO 22 FT.
.TONIGHT...S WIND 30 TO 40 KT DIMINISHING TO 20 TO 35 KT AFTER
MIDNIGHT. SEAS 18 TO 25 FT. RAIN.
.THU...S WIND 20 TO 35 KT. SEAS 15 TO 23 FT.
.THU NIGHT...S WIND 20 TO 35 KT. SEAS 14 TO 22 FT.
.FRI THROUGH SAT...S WIND 20 TO 30 KT. SEAS 13 TO 21 FT.
.SUN...SE WIND 30 KT. SEAS 9 TO 15 FT.

$$
350 
FZAK61 PAFC 252354
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
254 PM AKST WED NOV 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.

PKZ399-261400-
254 PM AKST WED NOV 25 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 993 MB LOW NEAR 50N 155W MOVES TO 58N 152W AT 995 MB THU MORNING...
THEN MOVES INLAND NEAR 60N 152W AND DISSIPATES. A 996 MB LOW NEAR
54N 148W THU AFTERNOON MOVES TO 58N 150W EARLY FRI AND DISSIPATES.
A FRONT ENTERS THE SOUTHWESTERN GULF LATE THU.

$$

PKZ351-261400-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
254 PM AKST WED NOV 25 2015

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...S WIND 40 KT. SEAS 17 TO 25 FT. RAIN.
.THU...S WIND 20 TO 40 KT DIMINISHING TO 15 TO 25 KT IN THE
AFTERNOON . SEAS 16 TO 24 FT. RAIN.
.THU NIGHT...SE WIND 20 TO 35 KT. SEAS 13 TO 19 FT. RAIN.
.FRI...S WIND 20 TO 35 KT. SEAS 14 TO 18 FT.
.FRI NIGHT...S WIND 25 KT. SEAS 15 FT.
.SAT THROUGH MON...SE WIND 20 TO 30 KT. SEAS 8 TO 16 FT.

$$

PKZ352-261400-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
254 PM AKST WED NOV 25 2015

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...S WIND 40 KT DIMINISHING TO 20 TO 35 KT AFTER MIDNIGHT
W OF 150W. SEAS 19 TO 26 FT. RAIN.
.THU...S WIND 20 TO 35 KT DIMINISHING TO 15 TO 30 KT IN THE
AFTERNOON. SEAS 14 TO 22 FT. 
.THU NIGHT...S WIND 20 TO 35 KT. SEAS 11 TO 19 FT. RAIN.
.FRI...S WIND 25 TO 35 KT. SEAS 14 TO 18 FT.
.FRI NIGHT...S WIND 20 TO 30 KT. SEAS 16 TO 21 FT.
.SAT...S WIND 25 KT. SEAS 13 TO 18 FT.
.SUN THROUGH MON...S WIND 15 TO 30 KT. SEAS 8 TO 13 FT.

$$
212 
FZAK61 PAFC 261259
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
359 AM AKST THU NOV 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.

PKZ399-270145-
359 AM AKST THU NOV 26 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 991 MB LOW NEAR 59N 152W MOVES INLAND LATER THIS MORNING NEAR
60N 152W AND DISSIPATES. A 997 MB LOW NEAR 53N 148W THU AFTERNOON
MOVES TO 59N 151W EARLY FRI AND DISSIPATES. A FRONT ENTERS THE
SOUTHWESTERN GULF LATE THU.

$$

PKZ351-270145-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
359 AM AKST THU NOV 26 2015

...GALE WARNING THROUGH FRIDAY...

.TODAY...S WIND 25 TO 40 KT. SEAS 16 TO 24 FT. RAIN.
.TONIGHT...SE WIND 20 TO 35 KT. SEAS 11 TO 18 FT. RAIN.
.FRI...S WIND 25 TO 40 KT. SEAS 16 TO 20 FT. RAIN.
.FRI NIGHT...S WIND 25 KT. SEAS 16 FT.
.SAT THROUGH MON...SE WIND 20 TO 30 KT. SEAS 9 TO 17 FT.

$$

PKZ352-270145-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
359 AM AKST THU NOV 26 2015

...GALE WARNING TODAY AND FRIDAY...

.TODAY...S WIND 20 TO 35 KT. SEAS 14 TO 22 FT.
.TONIGHT...SE WIND 15 TO 30 KT. SEAS 10 TO 18 FT. RAIN.
.FRI...S WIND 25 TO 35 KT. SEAS 12 TO 20 FT.
.FRI NIGHT...S WIND 20 TO 30 KT. SEAS 15 TO 21 FT.
.SAT...S WIND 25 KT. SEAS 12 TO 20 FT.
.SUN THROUGH MON...S WIND 15 TO 30 KT. SEAS 8 TO 13 FT.

$$
114 
FZAK61 PAFC 270006
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
306 PM AKST THU NOV 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.

PKZ399-271400-
306 PM AKST THU NOV 26 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 997 MB LOW NEAR 53N 149W WILL MOVE TO 58N 154W AT 982 MB LATE
THU NIGHT...THEN MOVE INTO SOUTHWEST ALASKA. A FRONT ENTERS THE
SOUTHERN GULF LATE THU NIGHT...THEN MOVES INTO THE NORTH GULF
COAST BY FRI AFTERNOON. ANOTHER WEAKER FRONT ENTERS THE SOUTHERN
GULF LATE FRI NIGHT...THEN MOVES TO THE NORTHERN GULF BY SAT
AFTERNOON.

$$

PKZ351-271400-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
306 PM AKST THU NOV 26 2015

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...SE WIND 25 TO 40 KT. SEAS 14 TO 20 FT. RAIN.
.FRI...S WIND 25 TO 35 KT. SEAS 16 TO 20 FT. RAIN.
.FRI NIGHT...S WIND 20 TO 30 KT. SEAS 16 FT. RAIN SHOWERS.
.SAT...S WIND 15 TO 25 KT. SEAS 14 TO 17 FT.
.SAT NIGHT...S WIND 20 KT. SEAS 11 TO 15 FT.
.SUN THROUGH TUE...S WIND 15 TO 30 KT. SEAS 9 TO 15 FT.

$$

PKZ352-271400-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
306 PM AKST THU NOV 26 2015

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...SE WIND 20 TO 35 KT...STRONGEST E. SEAS 12 TO 20 FT.
RAIN.
.FRI...S WIND 40 KT BECOMING 30 KT IN THE AFTERNOON. SEAS 14 TO
20 FT. RAIN.
.FRI NIGHT...S WIND 30 KT. SEAS 15 TO 21 FT.
.SAT...S WIND 25 KT. SEAS 15 TO 20 FT.
.SAT NIGHT...SW WIND 20 KT. SEAS 12 TO 16 FT.
.SUN THROUGH TUE...S WIND 20 TO 35 KT. SEAS 9 TO 16 FT.

$$
488 
FZAK61 PAFC 271302
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
402 AM AKST FRI NOV 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.

PKZ399-280230-
402 AM AKST FRI NOV 27 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A FRONT ACROSS THE SOUTHERN GULF MOVES INTO THE NORTH GULF COAST
BY FRI AFTERNOON. ANOTHER WEAKER FRONT ENTERS THE SOUTHERN GULF
LATE FRI NIGHT...THEN MOVES TO THE NORTHERN GULF BY SAT AFTERNOON
AND REMAINS THROUGH SUN.

$$

PKZ351-280230-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
402 AM AKST FRI NOV 27 2015

...GALE WARNING TODAY...

.TODAY...SE WIND 35 KT BECOMING S 20 TO 30 KT IN THE AFTERNOON.
SEAS 18 FT. RAIN.
.TONIGHT...S WIND 15 TO 25 KT. SEAS 15 FT.
.SAT...S WIND 15 TO 25 KT. SEAS 13 TO 16 FT.
.SAT NIGHT...S WIND 20 KT. SEAS 11 TO 14 FT.
.SUN THROUGH TUE...S WIND 20 TO 35 KT. SEAS 9 TO 15 FT.

$$

PKZ352-280230-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
402 AM AKST FRI NOV 27 2015

...GALE WARNING TODAY...

.TODAY...S WIND 20 TO 35 KT. SEAS 14 TO 20 FT. RAIN.
.TONIGHT...S WIND 20 TO 30 KT. SEAS 14 TO 20 FT.
.SAT...S WIND 25 KT. SEAS 16 TO 19 FT.
.SAT NIGHT...SW WIND 20 KT. SEAS 14 FT.
.SUN THROUGH TUE...S WIND 20 TO 35 KT. SEAS 10 TO 16 FT.

$$
552 
FZAK61 PAFC 272356
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
256 PM AKST FRI NOV 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.

PKZ399-281430-
256 PM AKST FRI NOV 27 2015
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 976 MB LOW AT 54N 160W MOVES TO 59N 151W AS A 997 MB LOW SUN
MORNING AND DISSIPATES SUN AFTERNOON. THE ASSOCIATED FRONT SWEEPS
INTO SOUTHEASTERN ALASKA BY SUN AFTERNOON.

$$

PKZ351-281430-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W-
256 PM AKST FRI NOV 27 2015

.TONIGHT...S WIND 15 TO 25 KT. SEAS 13 TO 16 FT.
.SAT...S WIND 25 KT. SEAS 13 TO 16 FT.
.SAT NIGHT...S WIND 20 KT. SEAS 10 TO 14 FT.
.SUN...S WIND 20 KT. SEAS 8 TO 11 FT.
.SUN NIGHT...SE WIND 15 TO 30 KT. SEAS 8 FT.
.MON THROUGH WED...S WIND 15 TO 30 KT. SEAS 8 TO 13 FT.

$$

PKZ352-281430-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W-
256 PM AKST FRI NOV 27 2015

.TONIGHT...S WIND 25 KT. SEAS 14 TO 19 FT.
.SAT...S WIND 25 KT. SEAS 14 TO 18 FT.
.SAT NIGHT...SW WIND 20 KT. SEAS 13 TO 16 FT.
.SUN...S WIND 15 TO 25 KT. SEAS 9 TO 12 FT.
.SUN NIGHT...SE WIND 15 TO 30 KT. SEAS 9 TO 13 FT.
.MON THROUGH WED...SW WIND 20 TO 35 KT. SEAS 9 TO 16 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 Nov 23, 5:06 PM AKST, 10 hours 23 minutes earlier.

Area forecast discussion, Nov 23, 5:06 PM AKST, 10 hours 23 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
506 PM AKST MON NOV 23 2015

.ANALYSIS AND UPPER LEVELS...

THE SINGULAR DOMINANT WEATHER FEATURE AFFECTING THE ALASKAN DOMAIN
THIS AFTERNOON IS A MATURE STORM OVER THE NORTHERN BERING SEA. THE
ASSOCIATED FRONT WITH IMPRESSIVE JET SUPPORT AND A LOW-LATITUDE
MOISTURE FEED IS ORIENTED GENERALLY SOUTHWEST TO NORTHEAST ACROSS
SOUTHERN ALASKA. THIS STORM IS STRONG ENOUGH THAT A FAIRLY
IMPRESSIVE SURGE OF WARM AIR IS BEING PULLED NORTHWARD INTO THE
MAINLAND...WITH ALL PARTS OF THE BRISTOL BAY ZONE NOW CHANGED OVER
TO RAIN. THIS WARM AIR IS STARTING TO SLOWLY WORK ITS WAY UP COOK
INLET...WITH TEMPERATURES AROUND KACHEMAK BAY ALREADY CLIMBING
INTO THE 40S. WARM AIR ALOFT IS ALREADY SURGING NORTHWARD OVER
ANCHORAGE AND THE MAT-SU VALLEYS...WITH WIDESPREAD LIGHT SNOW
QUICKLY BREAKING OUT ACROSS MOST OF THE AREA. A SHALLOW LAYER OF
NORTHERLY WINDS IS KEEPING TEMPERATURES IN THE 20S AROUND UPPER
COOK INLET...BUT THIS WILL CONTINUE TO SLOWLY ERODE THROUGHOUT THE
AFTERNOON AND EVENING IN THE FACE OF THE TIDE OF INCOMING
SOUTHERLY FLOW.

&&

.MODEL DISCUSSION...

THE MODELS ARE IN EXCELLENT SYNOPTIC AGREEMENT WITH THE CURRENT
STORM. THE FRONT WILL STALL THIS EVENING OVER THE FAR WESTERN
SUSITNA VALLEY AND ALASKA RANGE...SETTING UP A LONG-DURATION
PRECIPITATION EVENT OVER THE EASTERN KUSKOKWIM VALLEY AND SUSITNA
VALLEY. ALL MODELS DEVELOP SOME FORM OF WAVE ALONG THE
STALLED/STATIONARY BOUNDARY TUESDAY NIGHT INTO WEDNESDAY THAT
MOVES UP TOWARD KODIAK ISLAND. THE GFS AND GEM ARE SIGNIFICANT
OUTLIERS KEEPING THIS WAVE TOO FAR EAST AND SOUTH RESPECTIVELY. AS
THE NAM AND ECMWF ARE IN MUCH BETTER AGREEMENT...AND WILL BE
UTILIZED IN THE AFTERNOON FORECAST CYCLE TODAY.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (DAYS 1 AND 2)...
THE MAIN FOCUS OF THE FORECAST IS A FRONTAL BOUNDARY APPROACHING
THE GULF COAST TONIGHT AND AN ACTIVE SOUTHWESTERLY JET STREAM
PARKING OVER THE AREA. THE FRONT WILL CONTINUE TO SPREAD LIGHT
SNOW OVER MUCH OF THE COOK INLET AREA NORTHWARD. AS THE FRONT
PASSES THIS EVENING AREAS ALONG THE INLET FROM SOUTH TO NORTH WILL
SWITCH TO SOUTHERLY FLOW...WARMING UP SURFACE TEMPERATURES INTO
THE 30S AND CHANGING PRECIPITATION OVER TO RAIN IN MOST AREAS.
THE FRONTAL BOUNDARY FOLLOWED BY PERSISTENT UP-VALLEY FLOW WILL
BRING COPIOUS AMOUNTS OF MOISTURE INTO THE SUSITNA VALLEY. THE
WINTER WEATHER ADVISORY HAS BEEN UPGRADED TO A WINTER STORM
WARNING. THE HEAVIEST SNOW AND ACCUMULATIONS WILL REMAIN NORTH OF
TALKEETNA AND TOWARD THE PARK.

A STRONG PRESSURE GRADIENT ALONG THE NORTH GULF COAST WILL PEAK
EARLY THIS EVENING THEN RELAX OVERNIGHT INTO TUESDAY. THE
CHALLENGE WITH THE FORECAST INVOLVES BOTH WINDS AND TEMPERATURES
IN RELATION TO PRECIPITATION TYPE. AS THE SOUTHERLY WINDS PROGRESS
FROM COOK INLET/TURNAGAIN ARM...WARMER AIR WILL INTRUDE AT THE
SURFACE CHANGING SNOW TO RAIN. THIS WILL TAKE PLACE EARLY TONIGHT
FOR SOUTHERN COOK INLET...OVERNIGHT FOR THE ANCHORAGE AREA...AND
TUESDAY MORNING INTO THE AFTERNOON FOR THE SUSITNA VALLEY. SNOW
COULD HANG ON INTO TUESDAY EVENING BEFORE CHANGING OVER TO RAIN
FOR AREAS NORTH OF TALKEETNA TOWARD THE PARK.

ANOTHER FRONT AND UPPER LEVEL DISTURBANCE PUSHES INTO THE GULF ON
WEDNESDAY BRINGING ANOTHER ROUND OF RAIN AND WIND TO THE AREA.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (DAYS 1 AND 2)...

THE WEATHER FRONT BISECTING THE BRISTOL BAY AND THE KUSKOKWIM
VALLEY ZONES WILL REMAIN NEARLY STATIONARY THROUGH AT LEAST
WEDNESDAY. HOWEVER...THIS FRONT WILL SHARPEN AS LOW PRESSURE MOVES
NORTH ALONG THE FRONT FROM THE NORTH PACIFIC AND MOVES TOWARD THE
BRISTOL BAY AREA LATE TUESDAY INTO WEDNESDAY. AS THE FRONT
SHARPENS...A SHARP TEMPERATURE GRADIENT WILL DEVELOP...WITH
TEMPERATURES ON THE WEST SIDE OF THE FRONT BECOMING COLD ENOUGH
FOR SNOW WHILE THE EAST SIDE WILL CONTINUE TO SUPPORT RAIN. WITH A
STATIONARY FRONT OVER THE AREA AND SIGNIFICANT MOISTURE MOVING
INTO THE REGION...A SIGNIFICANT POTENTIAL IS POSSIBLE OVER THE
WESTERN HALF OF THESE ZONES LATE TUESDAY AND PERSISTING THROUGH
WEDNESDAY (AND PERHAPS BEYOND).

MEANWHILE...STRONG SOUTH TO SOUTHWESTERLY WINDS PARTICULARLY
COASTAL LOCATIONS OF THE KUSKOKWIM DELTA REGION THROUGH TUESDAY
MORNING.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (DAYS 1 AND 2)...

THE POWERFUL BERING SEA STORM CONTINUES TO SLOWLY WEAKEN AS IT
MOVES NORTH TOWARD THE BERING STRAIT. THE PRIMARY WIND IMPACTS
WILL BE FROM THE PRIBILOFS NORTH AND EAST TOWARD THE WESTERN
ALASKA COAST. SCATTERED TO NUMEROUS SNOW AND RAIN SHOWERS WILL
CONTINUE TO MOVE WEST TO EAST ACROSS THE REGION THROUGH TUESDAY.
MEANWHILE...THE NEXT POWERFUL WEATHER SYSTEM MOVES INTO THE
WESTERN ALEUTIANS LATE TUESDAY NIGHT INTO WEDNESDAY. THIS LOW WILL
TAKE MORE OF AN EAST TRACK JUST TO THE SOUTH OF THE ALEUTIANS.
THIS WILL MEAN STRONG STORM-FORCE WINDS WILL BE POSSIBLE FOR THE
WESTERN AND CENTRAL ALEUTIANS LATE TUESDAY NIGHT THROUGH
WEDNESDAY.

&&

.LONG TERM FORECAST (DAYS 3 THROUGH 7)...

BY WED EVENING A LOW MOVING INTO THE AKPEN WILL BE DIRECTING A
SURGE OF WARM AIR INTO THE NORTH GULF COAST...WHILE THE
EXTRATROPICAL REMNANT OF IN-FA WILL BE NEAR THE CENTRAL ALEUTIANS
ON ITS EASTWARD TRANSIT. MODELS ARE IN EXCELLENT AGREEMENT
BRINGING THE INITIAL LOW INTO SW AK WHERE IT DECAYS ON THU...AND
THE FORMER IN-FA TO THE EASTERN ALEUTIANS ON FRI. AT THIS POINT
MODEL AGREEMENT DIVERGES WITH IN-FA MOVING INTO THE EASTERN
BERING....AND THE BERING THEN BECOMING POPULATED BY SURFACE WAVES
BENEATH AN AMORPHOUS UPPER LOW. WPC ONCE AGAIN APPLIES ITS
ENSEMBLE APPROACH AND BRINGS IN-FA TO THE WEST COAST OF AK WHERE
IT DISSIPATES LATE ON SAT...AND A SECOND LOW TRANSITS THE ENTIRE
ALEUTIAN CHAIN SAT THROUGH MON BEFORE REACHING BRISTOL BAY ON TUE.
THE FORECAST UTILIZES THIS SOLUTION WITH DECREASING CONFIDENCE
OVER TIME AS THE ENSEMBLE SOLUTION BECOMES DOMINANT.

IN THE EAST...WARM ONSHORE FLOW WILL PERSIST INTO EARLY NEXT WEEK
WITH RAIN ALONG THE COAST...CROSSING THE KENAI AND REACHING AT
LEAST INTO THE SOUTHERN SUSITNA VALLEY. COOLER TEMPERATURES NEAR
THE ALASKA RANGE NORTH OF TALKEETNA MAY BE SUFFICIENT TO KEEP
PRECIPITATION ALL SNOW IN THAT AREA THROUGH THE WEEKEND...BUT THE
COPPER RIVER BASIN WILL REMAIN COLD ENOUGH FOR SNOW.

IN THE WEST...RAIN WITH GALES AND STORMS WILL ACCOMPANY THE LOW
FORMERLY KNOWN AS IN-FA AS IT MOVES TO THE EASTERN BERING.
LOCATIONS ALONG THE BACKSIDE OF THE LOW WILL CONTINUE TO
EXPERIENCE WINDY CONDITIONS...BUT THERE WILL BE A MIX OF RAIN AND
SNOW THU AND FRI. AS THE SECOND LOW BEGINS ITS TRANSIT...WIND AND
RAIN WILL AGAIN AFFECT THE CHAIN SAT THROUGH TUE...WITH RAIN
MIXING WITH SNOW ON THE WESTERN FLANK AS IT CROSSES THE ISLANDS.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...WSW HEAVY SNOW 145. COASTAL FLOOD/HIGH SURF ADVISORY 155
AND 161.

MARINE...STORMS 170 173 177 178 180 412 413 414.
GALES 130 132 138 139 150 155 160 165 172 174 175 176 350 411.

&&

SYNOPSIS AND MODEL DISCUSSION...AD
SOUTHCENTRAL ALASKA...ML
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...CC
LONG TERM...DS

In the hours before

Special weather statement, Nov 24, 3:03 AM AKST, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ANCHORAGE AK
303 AM AKST TUE NOV 24 2015

AKZ101-111-250015-
ANCHORAGE-MATANUSKA VALLEY-
INCLUDING THE CITIES OF...ANCHORAGE...EAGLE RIVER...INDIAN...
EKLUTNA...PALMER...WASILLA...SUTTON...CHICKALOON
303 AM AKST TUE NOV 24 2015

...EXPECT SLICK ROADS TODAY AS LIGHT RAIN COATS SNOW COVERED
ROADS...

USE CAUTION ON THE ROADS AND SURFACES THIS MORNING. LIGHT SNOW
YESTERDAY EVENING QUICKLY TURNED TO LIGHT RAIN OVERNIGHT IN
ANCHORAGE AS TEMPERATURES WARMED TO ABOVE FREEZING IN THE EARLY
MORNING HOURS. THE LAYER OF RAIN ON TOP OF SNOW AND ICE COVERED
ROADS WILL CREATE SLIPPERY DRIVING CONDITIONS TODAY OVER THE
ANCHORAGE BOWL AND THE MATANUSKA VALLEY. ADDITIONALLY...POCKETS OF
FREEZING RAIN ARE POSSIBLE THIS MORNING ON THE GLENN HIGHWAY FROM
PALMER TOWARDS CHICKALOON.

THE WARMUP OVER SOUTHCENTRAL WAS CAUSED BY A WEATHER FRONT THAT
MOVED WARM AIR NORTHWARD OVERNIGHT RESULTING IN A SOUTH TO NORTH
CHANGEOVER FROM SNOW TO RAIN. TEMPERATURES IN THE ANCHORAGE BOWL
TODAY WILL REMAIN ABOVE FREEZING WITH SCATTERED RAIN SHOWERS.
TEMPERATURES IN THE MATANUSKA VALLEY WILL WARM TO ABOVE FREEZING
LATER THIS MORNING WITH ANY MIX OF RAIN AND SNOW IN THE MORNING
CHANGING TO ALL RAIN BY THE AFTERNOON.

CHECK THE LATEST FORECAST FOR YOUR EXACT LOCATION AT
WWW.WEATHER.GOV/ANCHORAGE

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 23, 3:11 PM AKSTGale WarningAFC72 hr
Nov 23, 3:11 PM AKSTGale WarningAFC24 hr
Nov 23, 3:11 PM AKSTStorm WarningAFC13 hr
Nov 23, 3:21 PM AKSTSmall Craft AdvisoryAFC24 hr
Nov 23, 4:15 PM AKSTWinter Storm WarningAFC37 hr
Nov 24, 3:41 AM AKSTGale WarningAFC4 days
Nov 24, 3:41 AM AKSTGale WarningAFC11 hr
Nov 24, 3:41 AM AKSTSmall Craft AdvisoryAFC48 hr
Nov 24, 3:41 AM AKSTStorm WarningAFC48 hr
Nov 24, 3:54 AM AKSTGale WarningAFC48 hr
Nov 24, 3:54 AM AKSTSmall Craft AdvisoryAFC60 hr
Nov 24, 5:00 AM AKSTFreezing Rain AdvisoryAFC11 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.