Alert archive / Alaska / Storm Warnings in 2021

Storm Warning 109, NWS Anchorage, AK

September 23, 2021

NWS Anchorage, AK issued this storm warning at Sep 23, 2021, 3:33 AM AKDT. It was in force for 24 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 23, 2021, 3:33 AM AKDT (11:33 UTC)
Expired
Sep 24, 2021, 3:56 AM AKDT
In force
24 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

754 
FZAK61 PAFC 231133
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
333 AM AKDT Thu Sep 23 2021

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.

PKZ399-240200-
333 AM AKDT Thu Sep 23 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 983 mb low at 56N 150W moves to 58N 148W by Thu afternoon. 
This low then moves into Prince William Sound by Fri afternoon. 
Its front pushes across the Gulf through Fri afternoon.

$$

PKZ351-240200-
Gulf of Alaska Offshore North of 57N and West of 144W-
333 AM AKDT Thu Sep 23 2021

...STORM WARNING TONIGHT...

.TODAY...NE wind 40 kt early, then becoming S 25 to 40 kt. 
Seas 11 to 18 ft.
.TONIGHT...S to W wind 35 to 50 kt. Seas 14 to 20 ft.
.FRI...W wind 30 to 40 kt. Seas 14 to 18 ft.
.FRI NIGHT...W wind 15 to 30 kt. Seas 9 to 16 ft.
.SAT...W wind up to 15 kt. Seas 4 to 9 ft.
.SUN THROUGH MON...W wind 15 to 30 kt. Seas 3 to 8 ft.

$$

PKZ352-240200-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
333 AM AKDT Thu Sep 23 2021

...GALE WARNING THROUGH FRIDAY...

.TODAY...S to W wind 25 to 40 kt. Seas 11 to 19 ft.
.TONIGHT...W wind 30 to 45 kt. Seas 14 to 18 ft.
.FRI...W wind 25 to 35 kt. Seas 12 to 17 ft.
.FRI NIGHT...W wind 15 to 30 kt. Seas 9 to 14 ft.
.SAT...NW wind up to 15 kt. Seas 4 to 9 ft.
.SUN THROUGH MON...W wind 20 to 35 kt. Seas 4 to 9 ft.

$$
2 follow-up statements
013 
FZAK61 PAFC 240011
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
411 PM AKDT Thu Sep 23 2021

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.

PKZ399-241345-
411 PM AKDT Thu Sep 23 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 975 mb low at 58N 147W moves into Western Prince William Sound 
through Sat afternoon. Its front moves into the Eastern Gulf 
through Sat afternoon.

$$

PKZ351-241345-
Gulf of Alaska Offshore North of 57N and West of 144W-
411 PM AKDT Thu Sep 23 2021

...STORM WARNING TONIGHT...

.TONIGHT...W wind 35 to 50 kt. Seas 16 to 20 ft.
.FRI...W wind 30 to 40 kt. Seas 13 to 18 ft.
.FRI NIGHT...W wind 15 to 30 kt. Seas 9 to 14 ft.
.SAT...SW wind up to 15 kt. Seas 5 to 10 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 3 to 6 ft.
.SUN THROUGH TUE...E wind 15 to 30 kt. Seas 4 to 9 ft.

$$

PKZ352-241345-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
411 PM AKDT Thu Sep 23 2021

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...W wind 30 to 40 kt. Seas 14 to 17 ft.
.FRI...W wind 35 kt. Seas 12 to 17 ft.
.FRI NIGHT...W wind 10 to 25 kt. Seas 8 to 13 ft.
.SAT...SW wind up to 15 kt. Seas 4 to 9 ft.
.SAT NIGHT...NW wind up to 15 kt. Seas 4 ft.
.SUN THROUGH TUE...W wind 20 to 35 kt. Seas 4 to 9 ft.

$$
591 
FZAK61 PAFC 241156
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
356 AM AKDT Fri Sep 24 2021

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-
356 AM AKDT Fri Sep 24 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 978 mb low at 60N 147W moves into Western Prince William Sound 
through Sat afternoon. Its front moves into the Eastern Gulf 
through Sat afternoon. 

$$

PKZ351-250115-
Gulf of Alaska Offshore North of 57N and West of 144W-
356 AM AKDT Fri Sep 24 2021

...GALE WARNING TODAY...

.TODAY...W wind 30 to 40 kt. Seas 13 to 18 ft.
.TONIGHT...W wind 15 to 30 kt. Seas 9 to 14 ft.
.SAT...SW wind 15 kt in the morning becoming variable 10 kt. Seas
6 to 10 ft.
.SAT NIGHT...NE wind up to 10 kt. Seas 3 to 6 ft.
.SUN THROUGH MON...W wind 10 to 25 kt. Seas 3 to 8 ft.
.TUE...E wind 15 to 30 kt. Seas 6 to 11 ft.

$$

PKZ352-250115-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
356 AM AKDT Fri Sep 24 2021

...GALE WARNING TODAY...

.TODAY...W wind 35 kt. Seas 12 to 17 ft.
.TONIGHT...W wind 10 to 25 kt. Seas 8 to 13 ft.
.SAT...SW wind 10 to 15 kt. Seas 4 to 9 ft.
.SAT NIGHT...N wind up to 15 kt. Seas 4 ft.
.SUN...NW wind 10 to 25 kt. Seas 4 to 9 ft.
.MON THROUGH TUE...SE wind 15 to 30 kt. Seas 6 to 9 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 3:36 AM AKDTGale WarningAFC37 hr
Sep 23, 3:36 AM AKDTStorm WarningAFC37 hr
Sep 23, 3:39 AM AKDTGale WarningAFC23 hr
Sep 23, 12:59 PM AKDTWinter Weather AdvisoryAFC23 hr
Sep 23, 3:58 PM AKDTSmall Craft AdvisoryAFC48 hr

Nearby

Storm Warnings in Alaska, 2021Every storm warning in 2021

Sources

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