Alert archive / Alaska / Storm Warnings in 2017

Storm Warning 166, NWS Anchorage, AK

December 30, 2017

NWS Anchorage, AK issued this storm warning at Dec 30, 2017, 3:24 AM AKST. It was in force for 12 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
Dec 30, 2017, 3:24 AM AKST (12:24 UTC)
Expired
Dec 30, 2017, 3:00 PM AKST
In force
12 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

686 
FZAK61 PAFC 301224
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
324 AM AKST Sat Dec 30 2017

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.

PKZ399-310145-
324 AM AKST Sat Dec 30 2017
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A front in the southwestern Gulf will move to the northeastern
Gulf tonight and then will move inland Sun afternoon. A 985 mb 
low at 47N 154W moves to 57N 159W at 976 mb tonight and then moves
into the Bering. A second low at 957 mb develops near 51N 160W 
Sun night.

$$

PKZ351-310145-
Gulf of Alaska Offshore North of 57N and West of 144W-
324 AM AKST Sat Dec 30 2017

...STORM WARNING TONIGHT...

.TODAY...SE wind 15 to 30 kt increasing to 25 to 40 kt in the
afternoon. Seas 7 to 12 ft.
.TONIGHT...SE wind 40 to 50 kt. Seas 13 to 22 ft. Rain.
.SUN...SE wind 30 to 40 kt becoming S 15 to 30 kt in the
afternoon. Seas 16 to 24 ft. Rain.
.SUN NIGHT...S wind 10 to 20 kt. Seas 12 to 16 ft.
.MON THROUGH TUE...S wind 25 to 40 kt. Seas 15 to 26 ft.
.WED...SW wind 10 to 20 kt. Seas 9 to 14 ft.

$$

PKZ352-310145-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
324 AM AKST Sat Dec 30 2017

...GALE WARNING THROUGH SUNDAY...

.TODAY...SE wind 25 to 40 kt. Seas 9 to 17 ft. Rain.
.TONIGHT...SE wind 35 to 45 kt. Seas 14 to 22 ft. Rain.
.SUN...S wind 20 to 35 kt diminishing to 15 to 25 kt in the
afternoon. Seas 15 to 22 ft.
.SUN NIGHT...SE wind 15 to 30 kt. Seas 12 to 15 ft.
.MON...S wind 30 to 45 kt. Seas 14 to 29 ft.
.TUE...S wind 15 to 30 kt. Seas 16 to 30 ft.
.WED...W wind 10 to 20 kt. Seas 11 to 15 ft.

$$
1 follow-up statement
110 
FZAK61 PAFC 310000
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
300 PM AKST Sat Dec 30 2017

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.

PKZ399-311415-
300 PM AKST Sat Dec 30 2017
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A front in the northeastern Gulf will move inland Sun afternoon.
A 984 mb low at 52N 153W will move into Bristol Bay and dissipate
Sun morning. A strong front associated with a 955 mb North 
Pacific low will enter the southwestern Gulf Mon morning then it 
will move into the northern Gulf Mon afternoon.

$$

PKZ351-311415-
Gulf of Alaska Offshore North of 57N and West of 144W-
300 PM AKST Sat Dec 30 2017

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...SE wind 30 to 40 kt increasing to 45 kt after midnight.
Seas 13 to 21 ft. Rain.
.SUN...SE wind 30 to 40 kt becoming S 15 to 25 kt in the
afternoon. Seas 15 to 22 ft. Rain.
.SUN NIGHT...SE wind 10 to 20 kt. Seas 13 to 16 ft.
.MON...SE wind 25 to 40 kt. Seas 12 to 16 ft.
.MON NIGHT...S wind 25 to 40 kt. Seas 16 to 27 ft.
.TUE...S wind 15 to 30 kt. Seas 15 to 27 ft.
.WED...SW wind 10 to 20 kt. Seas 9 to 14 ft.
.THU...SW wind 15 kt. Seas 6 ft.

$$

PKZ352-311415-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
300 PM AKST Sat Dec 30 2017

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 35 to 45 kt. Seas 15 to 23 ft. Rain.
.SUN...S wind 15 to 30 kt. Seas 16 to 22 ft.
.SUN NIGHT...SE wind 10 to 20 kt increasing to 15 to 30 kt after
midnight. Seas 14 ft.
.MON...SE wind 25 to 40 kt. Seas 13 to 21 ft.
.MON NIGHT...S wind 30 to 45 kt. Seas 18 to 32 ft.
.TUE...S wind 15 to 30 kt. Seas 16 to 27 ft.
.WED...W wind 10 to 20 kt. Seas 11 to 15 ft.
.THU...SW wind 15 kt. Seas 6 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 3:30 PM AKSTGale WarningAFC50 hr
Dec 29, 3:30 PM AKSTSmall Craft AdvisoryAFC50 hr
Dec 29, 3:30 PM AKSTStorm WarningAFC50 hr
Dec 29, 3:39 PM AKSTGale WarningAFC36 hr
Dec 29, 3:39 PM AKSTSmall Craft AdvisoryAFC49 hr
Dec 30, 3:35 AM AKSTGale WarningAFC37 hr
Dec 30, 3:35 AM AKSTSmall Craft AdvisoryAFC12 hr
Dec 30, 3:35 AM AKSTStorm WarningAFC37 hr
Dec 30, 3:39 AM AKSTWinter Storm WatchAFC12 hr
Dec 30, 3:49 AM AKSTSmall Craft AdvisoryAFC37 hr
Dec 30, 3:49 AM AKSTHeavy Freezing Spray WarningAFC11 hr
Dec 30, 3:50 AM AKSTWinter Weather AdvisoryAFC20 hr

Nearby

Storm Warnings in Alaska, 2017Every storm warning in 2017

Sources

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