Alert archive / Alaska / Storm Warnings in 2009

Storm Warning 199, NWS Anchorage, AK

November 12, 2009

NWS Anchorage, AK issued this storm warning at Nov 12, 2009, 4:00 PM AKST. 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
Nov 12, 2009, 4:00 PM AKST (01:00 UTC)
Expired
Nov 14, 2009, 4:00 PM AKST
In force
48 hr
Issued by
NWS Anchorage, AK

The text

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

000 
FZAK61 PAFC 130037
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST THU NOV 12 2009

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.

PKZ399-131500-
400 PM AKST THU NOV 12 2009
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 992 MB LOW AT 57N 157W MOVES TO 59N 145W AT 981 MB LATE FRI MORNING
AND THEN MOVES ONSHORE NEAR ICY BAY. A 980 MB LOW AT 55N 160W LATE
FRI MORNING MOVES TO 59N 144W SAT MORNING AT 946 MB.
$$

PKZ351-131500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKST THU NOV 12 2009

...STORM WARNING FRIDAY NIGHT...

.TONIGHT...W WIND 35 KT. SEAS 18 FT. RAIN AND SNOW. 
.FRI...SW WIND 25 KT BECOMING S 35 KT IN THE AFTERNOON. SEAS 19 FT.
RAIN AND SNOW. 
.FRI NIGHT...SW WIND 45 KT BECOMING W 55 KT AFTER MIDNIGHT. SEAS
24 FT. RAIN AND SNOW. 
.SAT...W WIND 55 KT BECOMING W WIND 45 KT IN THE AFTERNOON. SEAS 26
FT. 
.SAT NIGHT...W WIND 40 KT. SEAS 23 FT. 
.SUN...W WIND 25 KT. SEAS 22 FT. 
.MON...NW WIND 25 KT. SEAS 11 FT. 
.TUE...W WIND 30 KT. SEAS 11 FT.  

$$

PKZ352-131500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKST THU NOV 12 2009

...STORM WARNING FRIDAY NIGHT...

.TONIGHT...NW WIND 45 KT BECOMING SW WIND 40 KT AFTER MIDNIGHT. SEAS
19 FT. RAIN AND SNOW. 
.FRI...SW WIND 35 KT. SEAS 19 FT. RAIN AND SNOW. 
.FRI NIGHT...SW WIND 45 KT BECOMING W 55 KT. SEAS 26 FT. RAIN AND
SNOW. 
.SAT...W WIND 45 KT. SEAS 27 FT. 
.SAT NIGHT...W WIND 40 KT. SEAS 23 FT. 
.SUN...W WIND 35 KT BECOMING W WIND 20 KT IN THE AFTERNOON. SEAS 21
FT. 
.MON...NW WIND 30 KT. SEAS 14 FT. 
.TUE...NW WIND 30 KT. SEAS 14 FT.  

$$
4 follow-up statements
000 
FZAK61 PAFC 131256
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKST FRI NOV 13 2009

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.

PKZ399-140300-
400 AM AKST FRI NOV 13 2009
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A TROF OF LOW PRESSURE NEAR 60N 147W WILL DISSIPATE FRIDAY AFTERNOON.
A 980 MB LOW NEAR 55N 160W WILL STRENGTHEN AND MOVE TO 59N 145W AT
946 MB EARLY SATURDAY MORNING AND THEN MOVE ASHORE NEAR CAPE SUCKLING
MIDDAY SATURDAY. A BROAD TROF OF LOW PRESSURE WILL THEN DEVELOP OVER

$$

PKZ351-140300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKST FRI NOV 13 2009

...STORM WARNING TONIGHT AND SATURDAY...

.TODAY...S WIND 35 KT. SEAS 17 FT. RAIN AND SHOWERS. 
.TONIGHT...S WIND 35 KT BECOMING W 55 KT AFTER MIDNIGHT. SEAS 22 FT.
SNOW AND RAIN SHOWERS.
.SAT...W WIND 60 KT DIMINISHING TO 50 KT IN THE AFTERNOON. SEAS 25
FT. SNOW AND RAIN SHOWERS.
.SAT NIGHT...W WIND 40 KT. SEAS 23 FT. 
.SUN...W WIND 25 KT. SEAS 18 FT. 
.MON...W WIND 25 KT. SEAS 11 FT. 
.TUE...NW WIND 30 KT. SEAS 11 FT.  

$$

PKZ352-140300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 AM AKST FRI NOV 13 2009

...STORM WARNING TONIGHT AND SATURDAY...

.TODAY...SW WIND 35 KT. SEAS 19 FT. RAIN SHOWERS. 
.TONIGHT...W WIND 55 KT. SEAS 25 FT. RAIN AND SNOW SHOWERS. 
.SAT...W WIND 50 KT. SEAS 26 FT. RAIN AND SNOW SHOWERS. 
.SAT NIGHT...W WIND 35 KT. SEAS 24 FT. 
.SUN...W WIND 25 KT. SEAS 18 FT. 
.MON AND TUE...NW WIND 30 KT. SEAS 13 FT.  

$$
000 
FZAK61 PAFC 140015
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST FRI NOV 13 2009

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.

PKZ399-141500-
400 PM AKST FRI NOV 13 2009
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 974 MB ELONGATED LOW CENTERED NEAR 56N 150W MOVES TO 59N 144 W AT
949 MB SAT MORNING AND THEN MOVES ONSHORE LATE SAT MORNING NEAR ICY
BAY.

$$

PKZ351-141500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKST FRI NOV 13 2009

...STORM WARNING THROUGH SATURDAY...

.TONIGHT...S WIND 25 TO 35 KT BECOMING NW 45 TO 55 KT AFTER MIDNIGHT.
SEAS 15 TO 19 FT. RAIN AND SNOW SHOWERS. 
.SAT...W WIND 40 TO 50 KT. SEAS 16 TO 20 FT. RAIN AND SNOW SHOWERS. 
.SAT NIGHT...W WIND 25 TO 35 KT. SEAS 15 TO 19 FT. 
.SUN...W WIND 20 KT. SEAS 16 FT. 
.SUN NIGHT...W WIND 25 KT. SEAS 11 FT. 
.MON...W WIND 25 KT. SEAS 9 FT. 
.TUE...NW WIND 30 KT. SEAS 10 FT. 
.WED...W WIND 25 KT. SEAS 10 FT.  

$$

PKZ352-141500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKST FRI NOV 13 2009

...STORM WARNING THROUGH SATURDAY...

.TONIGHT...SW WIND 30 TO 40 KT BECOMING NW 50 TO 60 KT AFTER
MIDNIGHT. SEAS 18 FT BUILDING TO 23 FT AFTER MIDNIGHT. RAIN AND SNOW
SHOWERS. 
.SAT...W WIND 40 TO 50 KT. SEAS 18 TO 22 FT. SNOW AND RAIN SHOWERS. 
.SAT NIGHT...W WIND 25 TO 35 KT. SEAS 15 TO 19 FT. 
.SUN...W WIND 25 KT. SEAS 16 FT. 
.SUN NIGHT...W WIND 25 KT. SEAS 13 FT. 
.MON...NW WIND 30 KT. SEAS 11 FT. 
.TUE...NW WIND 30 KT. SEAS 12 FT. 
.WED...NW WIND 25 KT. SEAS 11 FT.  

$$
000 
FZAK61 PAFC 141251
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKST SAT NOV 14 2009

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.

PKZ399-150300-
400 AM AKST SAT NOV 14 2009
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 952 MB 59N 145W WILL MOVE ASHORE NEAR CAPE SUCKLING SATURDAY
MORNING. A TROF OF LOW PRESSURE WILL DEVELOP OVER THE NORTHERN GULF
ON SUNDAY AND REMAIN STATIONARY THROUGH MONDAY.

$$

PKZ351-150300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKST SAT NOV 14 2009

...STORM WARNING TODAY...

.TODAY...W WIND 50 KT DIMINISHING TO 40 KT IN THE AFTERNOON. SEAS
21 FT. RAIN AND SNOW SHOWERS. 
.TONIGHT...W WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS
19 FT. SNOW AND RAIN SHOWERS. 
.SUN...W WIND 15 KT. SEAS 15 FT. RAIN AND SNOW SHOWERS. 
.SUN NIGHT AND MON...W WIND 25 KT. SEAS 11 FT. 
.TUE...NW WIND 30 KT. SEAS 9 FT. 
.WED...W WIND 20 KT. SEAS 7 FT.  

$$

PKZ352-150300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 AM AKST SAT NOV 14 2009

...STORM WARNING TODAY...

.TODAY...W WIND 40 TO 50 KT. SEAS 22 FT. RAIN AND SNOW SHOWERS. 
.TONIGHT...W WIND 25 TO 35 KT. SEAS 21 FT. RAIN AND SNOW SHOWERS. 
.SUN...W WIND 25 KT. SEAS 16 FT. RAIN AND SNOW SHOWERS. 
.SUN NIGHT AND MON...NW WIND 30 KT. SEAS 12 FT. 
.TUE...NW WIND 30 KT. SEAS 13 FT. 
.WED...W WIND 30 KT. SEAS 8 FT.  

$$
000 
FZAK61 PAFC 150007
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST SAT NOV 14 2009

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.

PKZ399-151500-
400 PM AKST SAT NOV 14 2009
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 983 MB LOW WILL DEVELOP NEAR 60N 147W SAT EVENING AND REMAIN 
NEARLY STATIONARY THROUGH SUN. THIS LOW WILL THEN GRADUALLY 
DISSIPATE SUN NIGHT AND MON AS IT MOVES TO NEAR 59N 142W.

$$

PKZ351-151500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKST SAT NOV 14 2009

...GALE WARNING TONIGHT...

.TONIGHT...W WIND 35 TO 45 KT DIMINISHING TO 25 KT BY LATE EVENING.
SEAS 16 TO 20 FT. SNOW. 
.SUN...W WIND 15 TO 25 KT. SEAS 11 TO 15 FT. SNOW SHOWERS. 
.SUN NIGHT...NW WIND 15 TO 25 KT. SEAS 7 TO 11 FT. SNOW SHOWERS. 
.MON...NW WIND 25 KT. SEAS 9 FT. 
.MON NIGHT...NW WIND 30 KT. SEAS 9 FT. 
.TUE...NW WIND 25 KT. SEAS 8 FT. 
.WED...NW WIND 25 KT. SEAS 8 FT. 
.THU...N WIND 15 KT. SEAS 9 FT.  

$$

PKZ352-151500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKST SAT NOV 14 2009

.TONIGHT...W WIND 35 TO 45 KT DECREASING TO 25 KT BY LATE EVENING.
SEAS 18 TO 22 FT. SNOW SHOWERS. 
.SUN...W WIND 20 KT. SEAS 12 TO 16 FT. SNOW SHOWERS. 
.SUN NIGHT...NW WIND 15 TO 25 KT. SEAS 8 TO 12 FT. 
.MON...NW WIND 30 KT. SEAS 12 FT. 
.MON NIGHT...NW WIND 30 KT. SEAS 12 FT. 
.TUE...NW WIND 25 KT. SEAS 11 FT. 
.WED...NW WIND 30 KT. SEAS 14 FT. 
.THU...NW WIND 25 KT. SEAS 15 FT.  

$$

What forecasters said that day

The local office's own words before this storm 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 storm warning went out at Nov 12, 12:05 PM AKST, 3 hours 55 minutes earlier.

Area forecast discussion, Nov 12, 12:05 PM AKST, 3 hours 55 minutes before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
1205 PM AKST THU NOV 12 2009

.MODEL DISCUSSION...12Z RUNS OF THE NAM AND GFS IN RELATIVELY GOOD
AGREEMENT IN THE SHORT-TERM WITH EXCEPTION OF WEAK LOW/TROUGH THAT
MOVES INTO NORTHWESTERN GULF FRIDAY MORNING.  GFS PRODUCES A 981 CUT
OFF LOW BY 18Z WHILE NAM GENERATES AN ELONGATED LOW WITH A CENTRAL
PRESSURE AROUND 986 MB. A BLEND OF THE TWO SOLUTIONS WOULD BE A
REASONABLE COMPROMISE

.ANALYSIS AND UPPER LEVELS...STRONG ZONAL FLOW IN THE UPPER TROP WITH
DEEP TROUGH OVER THE BERING ON SAT MOVING EASTWARD TOWARD THE GULF
LATER THAT NIGHT. HENCE THERE IS GOOD UPPER LEVEL SUPPORT FOR MAJOR
DEVELOPMENT OF GULF LOW ON SAT. PLENTY OF COLD AIR MOVING
SOUTHEASTWARD IN BERING INTO NORTH PACIFIC ON FRI AFTERNOON.

.SHORT TERM FORECAST...WITH SOME TYPE OF LOW/TROUGH MOVING THROUGH
NORTHWESTERN GULF FRI AND COLD AIR OVER INTERIOR EXPECT MODERATE
NORTH WINDS IN SOUTHCENTRAL.  MODELS IN GOOD AGREEMENT ON SAT MORNING
DEEP LOW IN NORTHERN GULF IN POSITION ALTHOUGH GFS IS 8 TO 10 MB
LOWER...IN ANY CASE SNOW ACROSS COASTAL ZONES WITH SOME MODERATE TO
STRONG NORTH WINDS ON BACKSIDE OF THIS SYSTEM ON SAT. PLENTY OF SNOW
AND WIND FOR PWS EASTWARD ON SAT. VERY STRONG WINDS IN THOMPSON PASS
ON SAT WITH BLOWING SNOW.

VARIABLE CLOUDS AND COOL TEMPERATURES IN SOUTHWESTERN ZONES.

NORTHWEST FLOW ACROSS THE BERING AND ALEUTIANS.  WITH POLAR FRONT
MOVING SOUTHEASTWARD FRIDAY MORNING OVER ALEUTIANS WILL GENERATE
STRONG WINDS OVER EASTERN ALEUTIANS FRI...HENCE A HIGH WIND WATCH FOR
EASTERN ALEUTIANS AND SOUTHERN TIP OF AK PEN.

.LONG TERM FORECAST...RIDGE OVER BERING BUILDS WITH DEEP TROUGH IN
GULF EARLY NEXT WEEK.  MAIN ISSUE WILL BE COLD TEMPS AND NORTHERLY
DRAINAGE WINDS THROUGH GAPS. A WEATHER FRONT CAN BE EXPECTED TO MOVE
THROUGH THE WESTERN ALEUTIANS EARLY MON.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WATCH FOR 185 WILL PROBABLY BECOME HWW
MARINE...MANY STORMS AND GALES- SEE MARINE PACKAGE
FIRE WEATHER...NONE

JMP NOV 09

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 12, 3:59 PM AKSTHigh Wind WatchAFC2 hr
Nov 12, 4:00 PM AKSTGale WarningAFC13 days
Nov 12, 4:00 PM AKSTGale WarningAFC12 hr
Nov 12, 4:00 PM AKSTSmall Craft AdvisoryAFC12 hr
Nov 12, 4:00 PM AKSTSmall Craft AdvisoryAFC12 hr
Nov 12, 4:00 PM AKSTStorm WarningAFC24 hr
Nov 12, 4:00 PM AKSTHeavy Freezing Spray WarningAFC36 hr
Nov 13, 4:00 AM AKSTGale WarningAFC4 days
Nov 13, 4:00 AM AKSTGale WarningAFC60 hr
Nov 13, 4:00 AM AKSTGale WarningAFC12 hr
Nov 13, 4:00 AM AKSTSmall Craft AdvisoryAFC12 hr
Nov 13, 4:00 AM AKSTStorm WarningAFC12 hr
Nov 13, 9:26 AM AKSTBlizzard WatchAFC6 hr

Nearby

Storm Warnings in Alaska, 2009Every storm warning in 2009

Sources

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