Alert archive / Alaska / Storm Warnings in 2018

Storm Warning 6, NWS Anchorage, AK

January 12, 2018

NWS Anchorage, AK issued this storm warning at Jan 12, 2018, 3:55 AM AKST. It was in force for 35 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
Jan 12, 2018, 3:55 AM AKST (12:55 UTC)
Expired
Jan 13, 2018, 3:09 PM AKST
In force
35 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

160 
FZAK61 PAFC 121255
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
355 AM AKST Fri Jan 12 2018

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.

PKZ399-130145-
355 AM AKST Fri Jan 12 2018
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A front in the southwestern Gulf will move into the northeastern
Gulf this afternoon where it will persist through Sat morning. A 
low in the North Pacific will move to 54N 150W at 953 mb Sat 
morning, then to 57N 156W at 952 mb Sat afternoon. The low will 
then move to the eastern Bering Sun morning. 

$$

PKZ351-130145-
Gulf of Alaska Offshore North of 57N and West of 144W-
355 AM AKST Fri Jan 12 2018

...STORM WARNING SATURDAY...

.TODAY...SE wind 25 to 40 kt. Seas 14 to 21 ft. Rain.
.TONIGHT...SE wind 25 to 40 kt. Seas 14 to 22 ft.
.SAT...SE wind 35 to 50 kt. Seas 16 to 24 ft building to 23 to 29
ft in the afternoon. Rain.
.SAT NIGHT...SE wind 25 to 40 kt. Seas 19 to 29 ft.
.SUN...SE wind 15 to 30 kt. Seas 13 to 19 ft.
.MON THROUGH TUE...SW wind up to 20 kt. Seas 9 to 14 ft.

$$

PKZ352-130145-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
355 AM AKST Fri Jan 12 2018

...STORM WARNING SATURDAY...

.TODAY...SE wind 20 to 35 kt. Seas 12 to 18 ft. Rain.
.TONIGHT...SE wind 20 to 30 kt. Seas 12 to 19 ft.
.SAT...SE wind 35 to 50 kt. Seas 18 to 28 ft building to 25 to 29
ft in the afternoon. Rain.
.SAT NIGHT...SE wind 25 to 40 kt. Seas 19 to 25 ft.
.SUN...S wind 15 to 30 kt. Seas 13 to 19 ft.
.MON THROUGH TUE...SW wind up to 20 kt. Seas 9 to 14 ft.

$$
3 follow-up statements
387 
FZAK61 PAFC 130034
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
334 PM AKST Fri Jan 12 2018

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.

PKZ399-131400-
334 PM AKST Fri Jan 12 2018
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 958 mb low at 51N 156W will move to 57N 156W at 953 mb by Sat
afternoon while an associated rather strong front lifts north 
across the Gulf. The front will continue north and inland Sat 
evening while the low tracks across the AK Pen and into the 
Bering. 

$$

PKZ351-131400-
Gulf of Alaska Offshore North of 57N and West of 144W-
334 PM AKST Fri Jan 12 2018

...STORM WARNING SATURDAY...

.TONIGHT...SE wind 25 to 40 kt. Seas 15 to 21 ft. Rain.
.SAT...SE wind 40 to 55 kt. Seas 17 to 27 ft. Rain.
.SAT NIGHT...SE wind 20 to 35 kt. Seas 20 to 26 ft.
.SUN...SE wind 10 to 25 kt. Seas 15 to 19 ft.
.SUN NIGHT...S wind 15 to 30 kt. Seas 14 to 19 ft.
.MON THROUGH TUE...SW wind up to 20 kt. Seas 9 to 14 ft.
.WED...W wind up to 15 kt. Seas 8 ft.

$$

PKZ352-131400-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
334 PM AKST Fri Jan 12 2018

...STORM WARNING SATURDAY...

.TONIGHT...S wind 20 to 30 kt becoming SE 25 to 40 kt after
midnight. Seas 13 to 20 ft. Rain.
.SAT...E wind 40 to 50 kt becoming S 30 to 45 kt in the afternoon.
Seas 21 to 28 ft. Rain.
.SAT NIGHT...S wind 25 to 40 kt. Seas 20 to 24 ft.
.SUN...SE wind 15 to 30 kt. Seas 16 to 19 ft.
.SUN NIGHT...S wind 10 to 20 kt. Seas 13 to 18 ft.
.MON THROUGH WED...NW wind up to 20 kt. Seas 9 to 14 ft.

$$
754 
FZAK61 PAFC 131257
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
357 AM AKST Sat Jan 13 2018

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.

PKZ399-140145-
357 AM AKST Sat Jan 13 2018
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A quick moving front in the northern Gulf will intensify today 
then it will move westward inland Sun morning. A trough of low 
pressure will develop in the eastern Gulf Sun afternoon then it 
will move into the northern Gulf Mon morning.

$$

PKZ351-140145-
Gulf of Alaska Offshore North of 57N and West of 144W-
357 AM AKST Sat Jan 13 2018

...STORM WARNING TODAY...

.TODAY...SE wind 40 to 55 kt. Seas 17 to 27 ft building to 27 to
30 ft in the afternoon. Rain.
.TONIGHT...SE wind 20 to 35 kt. Seas 19 to 26 ft.
.SUN...SE wind 10 to 25 kt diminishing to up to 15 kt in the
afternoon. Seas 15 to 18 ft.
.SUN NIGHT...SW wind 10 kt. Seas 12 to 15 ft.
.MON...NE wind 10 to 25 kt. Seas 9 to 16 ft.
.TUE THROUGH WED...W wind up to 20 kt. Seas 9 to 14 ft.

$$

PKZ352-140145-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
357 AM AKST Sat Jan 13 2018

...STORM WARNING TODAY...

.TODAY...E wind 40 to 50 kt becoming S 30 to 45 kt in the
afternoon. Seas 21 to 29 ft. Rain.
.TONIGHT...S wind 25 to 40 kt. Seas 18 to 24 ft.
.SUN...SE wind 15 to 30 kt diminishing to up to 20 kt in the
afternoon. Seas 16 to 19 ft.
.SUN NIGHT...S wind up to 15 kt. Seas 12 to 16 ft.
.MON...NE wind 10 to 25 kt. Seas 9 to 16 ft.
.TUE THROUGH WED...NW wind 10 to 25 kt. Seas 9 to 14 ft.

$$
224 
FZAK61 PAFC 140009
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
309 PM AKST Sat Jan 13 2018

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.

PKZ399-141400-
309 PM AKST Sat Jan 13 2018
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A front just south of the Kenai Peninsula will move into the 
eastern Gulf by Sun afternoon. A 988 mb low at 54N 140W on Sun 
afternoon will move to 60N 145W at 991 mb by Sun night and then 
move inland. A new 976 mb low will form in the North Pacific Mon 
afternoon.

$$

PKZ351-141400-
Gulf of Alaska Offshore North of 57N and West of 144W-
309 PM AKST Sat Jan 13 2018

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 20 to 35 kt. Seas 19 to 26 ft.
.SUN...SE wind 10 to 25 kt. Seas 15 to 18 ft.
.SUN NIGHT...NE wind up to 15 kt becoming W up to 20 kt after
midnight. Seas 15 ft.
.MON...W wind up to 15 kt. Seas 13 ft.
.MON NIGHT...NE wind 15 to 25 kt. Seas 10 to 13 ft.
.TUE THROUGH THU...NW wind 10 to 25 kt. Seas 9 to 14 ft.

$$

PKZ352-141400-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
309 PM AKST Sat Jan 13 2018

...GALE WARNING TONIGHT...

.TONIGHT...S wind 25 to 40 kt. Seas 18 to 24 ft.
.SUN...SE wind 15 to 30 kt diminishing to up to 20 kt in the
afternoon. Seas 16 to 19 ft.
.SUN NIGHT...SE wind up to 10 kt becoming SW 10 kt after midnight.
Seas 15 ft.
.MON...E wind up to 20 kt. Seas 11 to 14 ft.
.MON NIGHT...N wind 10 to 25 kt. Seas 10 to 13 ft.
.TUE THROUGH THU...NW wind 10 to 25 kt. Seas 9 to 14 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 3:10 PM AKSTGale WarningAFC13 hr
Jan 11, 3:10 PM AKSTStorm WarningAFC13 hr
Jan 11, 3:14 PM AKSTGale WarningAFC12 hr
Jan 11, 3:14 PM AKSTSmall Craft AdvisoryAFC5 days
Jan 12, 3:37 AM AKSTSmall Craft AdvisoryAFC5 days
Jan 12, 3:55 AM AKSTGale WarningAFC48 hr
Jan 12, 3:55 AM AKSTSmall Craft AdvisoryAFC48 hr
Jan 12, 3:55 AM AKSTStorm WarningAFC48 hr

Nearby

Storm Warnings in Alaska, 2018Every storm warning in 2018

Sources

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