Alert archive / Alaska / Gale Warnings in 2012

Gale Warning 518, NWS Anchorage, AK

September 8, 2012

NWS Anchorage, AK issued this gale warning at Sep 8, 2012, 4:00 AM 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
Sep 8, 2012, 4:00 AM AKDT (12:00 UTC)
Expired
Sep 9, 2012, 4:00 PM AKDT
In force
36 hr
Issued by
NWS Anchorage, AK

The text

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

654 
FZAK61 PAFC 081150
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SAT SEP 8 2012

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.

PKZ399-090300-
400 AM AKDT SAT SEP 8 2012
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 1007 MB LOW NEAR 56N 152W INTENSIFIES TO 1000 MB SAT AFTERNOON 
NEAR 56N 147W AND THEN DEEPENS TO 998 MB SUN MORNING NEAR 58N 139W.
THIS LOW THEN WEAKENS INTO A BROAD AREA OF LOW PRESSURE ALONG THE
NORTHEAST GULF COAST THROUGH SUN NIGHT.
$$

PKZ351-090300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKDT SAT SEP 8 2012

...GALE WARNING SUNDAY...

.TODAY...SE WIND 15 TO 25 KT. SEAS 7 FT. RAIN.
.TONIGHT...N WIND 20 KT BECOMING NW 30 KT AFTER MIDNIGHT. 
SEAS 8 FT.
.SUN...NW WIND 25 TO 35 KT. SEAS 10 FT. 
.SUN NIGHT...NW WIND 20 TO 30 KT. SEAS 9 FT. 
.MON...SW WIND 20 KT. SEAS 7 FT. 
.TUE...S WIND 20 KT. SEAS 7 FT. 
.WED...SW WIND 20 KT. SEAS 6 FT.  

$$

PKZ352-090300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W
400 AM AKDT SAT SEP 8 2012

...GALE WARNING THROUGH SUNDAY...

.TODAY...W OF 148W...NW WIND INCREASING TO 25 TO 35 KT. 
E OF 148W...S TO E WIND 20 TO 30 KT. SEAS 11 FT. RAIN.
.TONIGHT AND SUN...NW WIND 25 TO 35 KT. SEAS 11 FT. RAIN.
.SUN NIGHT...W WIND 20 TO 30 KT. SEAS 10 FT. 
.MON...SW WIND 15 TO 25 KT. SEAS 8 FT. 
.TUE AND WED...SW WIND 20 KT. SEAS 7 FT. 

$$
3 follow-up statements
085 
FZAK61 PAFC 082324
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SAT SEP 8 2012

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.

PKZ399-091500-
400 PM AKDT SAT SEP 8 2012
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 1002 MB LOW NEAR 56N 145W WILL BECOME A BROAD AREA OF LOW PRESSURE
ALONG THE NORTHEAST GULF COAST WITH A CENTRAL PRESSURE OF 997 MB SUN
AFTERNOON. THIS AREA WILL WEAKEN TO 1010 MB BY MON AFTERNOON.
$$

PKZ351-091500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT SAT SEP 8 2012

...GALE WARNING SUNDAY...

.TONIGHT...N WIND 20 KT BECOMING NW 30 KT AFTER MIDNIGHT. SEAS 7 FT.
.SUN...NW WIND 35 KT. SEAS 10 FT. 
.SUN NIGHT...NW WIND 30 KT. SEAS 9 FT. 
.MON...W WIND 20 KT. SEAS 6 FT. 
.MON NIGHT...S WIND 20 KT. SEAS 5 FT. 
.TUE...S WIND 20 KT. SEAS 7 FT. 
.WED...SW WIND 20 KT. SEAS 6 FT. 
.THU...SW WIND 15 KT. SEAS 5 FT.  

$$

PKZ352-091500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT SAT SEP 8 2012

...GALE WARNING SUNDAY...

.TONIGHT...N WIND 30 KT. SEAS 11 FT. RAIN.
.SUN...NW WIND 35 KT. SEAS 11 FT. 
.SUN NIGHT...W WIND 30 KT. SEAS 11 FT. 
.MON...SW WIND 25 KT. SEAS 8 FT. 
.MON NIGHT...SW WIND 25 KT. SEAS 7 FT. 
.TUE AND WED...SW WIND 20 KT. SEAS 7 FT.  
.THU...SW WIND 20 KT. SEAS 9 FT.  

$$
170 
FZAK61 PAFC 091154
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SUN SEP 9 2012

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.

PKZ399-100300-
400 AM AKDT SUN SEP 9 2012
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A BROAD TROUGH OF LOW PRESSURE ALONG THE NORTHEAST GULF COAST 
WILL DISSIPATE BY MON MORNING. HIGH PRESSURE REMAINS OVER THE 
GULF THROUGH MON NIGHT. 
$$

PKZ351-100300-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKDT SUN SEP 9 2012

...GALE WARNING TODAY...

.TODAY...NW WIND 25 TO 35 KT. SEAS 11 FT. 
.TONIGHT...NW WIND 20 TO 30 KT. SEAS 10 FT. 
.MON...W WIND 10 TO 20 KT. SEAS 7 FT. 
.MON NIGHT...S WIND 15 KT. SEAS 4 FT. 
.TUE...S WIND 30 KT. SEAS 11 FT. 
.WED AND THU...SW WIND 20 KT. SEAS 9 FT. 

$$

PKZ352-100300-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W
400 AM AKDT SUN SEP 9 2012

...GALE WARNING TODAY...

.TODAY...NW WIND 25 TO 35 KT. SEAS 12 FT. 
.TONIGHT...W WIND 20 TO 30 KT. SEAS 11 FT. 
.MON...W WIND 10 TO 20 KT. SEAS 8 FT. 
.MON NIGHT...SW WIND 20 KT. SEAS 5 FT. 
.TUE...SW WIND 30 KT. SEAS 11 FT. 
.WED AND THU...SW WIND 20 KT. SEAS 8 FT. 

$$
362 
FZAK61 PAFC 092326
OFFAER

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SUN SEP 9 2012

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.

PKZ399-101500-
400 PM AKDT SUN SEP 9 2012
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A BROAD TROUGH OF LOW PRESSURE ALONG THE NORTHEAST GULF COAST WILL
DISSIPATE BY MON MORNING. A WEATHER FRONT MOVES INTO THE GULF MON
NIGHT AND TO THE NORTHERN GULF COAST TUE.
$$

PKZ351-101500-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT SUN SEP 9 2012

.TONIGHT...NW WIND 30 KT. SEAS 10 FT. 
.MON...W WIND 20 KT. SEAS 7 FT. 
.MON NIGHT...SW WIND 15 KT. SEAS 4 FT. RAIN SHOWERS. 
.TUE...S WIND 25 KT. SEAS 6 FT. 
.TUE NIGHT...S WIND 30 KT. SEAS 9 FT. 
.WED AND THU...SW WIND 20 KT. SEAS 8 FT. 
.FRI...SE WIND 25 KT. SEAS 7 FT.  

$$

PKZ352-101500-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT SUN SEP 9 2012

.TONIGHT...W WIND 30 KT. SEAS 12 FT. 
.MON...W WIND 20 KT. SEAS 8 FT SUBSIDING TO 5 FT. RAIN.
.MON NIGHT...SW WIND 20 KT. SEAS 6 FT. RAIN SHOWERS. 
.TUE...S WIND 30 KT. SEAS 8 FT. 
.TUE NIGHT...SW WIND 30 KT. SEAS 9 FT. 
.WED AND THU...SW WIND 20 KT. SEAS 8 FT. 
.FRI...S WIND 25 KT. SEAS 7 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 Sep 7, 2:00 PM AKDT, 14 hours earlier.

Area forecast discussion, Sep 7, 2:00 PM AKDT, 14 hours before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
200 PM AKDT FRI SEP 7 2012

.ANALYSIS AND UPPER LEVELS...
MAIN FEATURE OF INTEREST CONTINUES TO BE A BROAD UPPER LEVEL TROUGH
WHICH ENCOMPASSES MUCH OF ALASKA...WITH A CLOSED UPPER LOW AND ITS
SURFACE REFLECTION LOCATED ALONG THE SOUTHWEST COAST NEAR NUNIVAK
ISLAND. THIS FEATURE IS PRODUCING WIDESPREAD RAIN OVER THE SOUTHWEST
MAINLAND AND AKPEN...WITH A FEW SHOWERS OVER SOUTHCENTRAL AK IN THE
SUSITNA VALLEY. UPPER LEVEL RIDGING IS BEGINNING TO BUILD INTO THE
WESTERN BERING SEA FROM THE KAMCHATKA PENINSULA.

.MODEL DISCUSSION...
MODELS REMAIN IN GOOD AGREEMENT IN THE SHORT TERM...BRINGING THE LOW
ACROSS THE AKPEN ON SATURDAY MORNING AND INTO THE CENTRAL GULF BY
SATURDAY AFTERNOON. WENT WITH THE ECMWF THROUGH THE SHORT TERM.

.SHORT TERM FORECAST...
SOUTHCENTRAL ALASKA...
SCATTERED SHOWERS WILL TAPER OFF ACROSS MOST OF SOUTHCENTRAL AK BY
SATURDAY MORNING AS THE SYSTEM MOVES INTO THE GULF AND THEN OFF TO
THE EAST...LEADING TO A PLEASANT WEEKEND WITH SUNNY SKIES ON SUNDAY
AS UPPER LEVEL RIDGING BUILDS IN FROM THE WEST. GIVEN EXPECTED
CLEARING LATER IN THE WEEKEND...WILL HAVE TO MONITOR THE POSSIBILITY
OF FREEZING TEMPERATURES ON SATURDAY NIGHT FOR EASTERN PORTIONS OF
THE ANCHORAGE BOWL IF WINDS SUBSIDE ENOUGH TO ALLOW FOR OPTIMAL
RADIATIONAL COOLING.

SOUTHWEST ALASKA...
RAIN WILL TAPER OFF FROM WEST TO EAST ACROSS THE SOUTHWEST MAINLAND
ON FRIDAY NIGHT AND SATURDAY AS THE LOW PRESSURE SYSTEM MOVES AWAY
FROM THE AREA. GENERALLY CALM CONDITIONS WILL PREVAIL FOR THE
REMAINDER OF THE WEEKEND AS UPPER LEVEL RIDGING BUILDS IN FROM THE
BERING.

ALEUTIANS/BERING SEA...
RAIN WILL OVERSPREAD THE ALEUTIAN CHAIN FROM WEST TO EAST THIS
WEEKEND AS ANOTHER LOW PRESSURE SYSTEM MOVING OFF OF THE KAMCHATKA
PENINSULA TRAVERSES THE BERING.

.LONG TERM FORECAST...
CALM CONDITIONS WILL PERSIST ACROSS MUCH OF THE SOUTHERN MAINLAND
THROUGH THE EARLY PART OF NEXT WEEK WITH RIDGING OVERHEAD. CHANCES
FOR PRECIPITATION WILL THEN INCREASE INTO THE MIDDLE OF THE WEEK AS
THE NEXT SYSTEM MOVES IN FROM THE BERING.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE
MARINE...GALE 176
FIRE WEATHER...NONE

CB SEP 12

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 4:00 PM AKDTSmall Craft AdvisoryAFC3 days
Sep 8, 4:00 AM AKDTGale WarningAFC36 hr
Sep 8, 4:00 AM AKDTGale WarningAFC24 hr
Sep 8, 4:00 AM AKDTSmall Craft AdvisoryAFC48 hr
Sep 8, 4:00 AM AKDTSmall Craft AdvisoryAFC48 hr

Nearby

Gale Warnings in Alaska, 2012Every gale warning in 2012

Sources

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