Alert archive / Alaska / Storm Warnings in 2021

Storm Warning 41, NWS Anchorage, AK

February 23, 2021

NWS Anchorage, AK issued this storm warning at Feb 23, 2021, 3:29 AM 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
Feb 23, 2021, 3:29 AM AKST (12:29 UTC)
Expired
Feb 25, 2021, 3:27 AM AKST
In force
48 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

057 
FZAK61 PAFC 231229
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
329 AM AKST Tue Feb 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-
329 AM AKST Tue Feb 23 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A trough over the North Gulf Coast remains stationary before
dissipating Tue afternoon. A front enters the western Gulf Tue
morning and moves to the northern Gulf by Tue evening. A 996 mb
low at 54N 150W Wed morning moves to 57N 143W at 979 mb by Wed 
afternoon.

$$

PKZ351-240200-
Gulf of Alaska Offshore North of 57N and West of 144W-
329 AM AKST Tue Feb 23 2021

...GALE WARNING WEDNESDAY...

.TODAY...SW wind 10 to 20 kt. Seas 8 to 13 ft.
.TONIGHT...S wind 15 kt becoming SE 20 to 30 kt after midnight.
Seas 6 to 9 ft.
.WED...N to E wind 25 to 40 kt. Seas 10 to 14 ft. Rain.
.WED NIGHT...NW wind 20 to 35 kt. Seas 12 to 19 ft.
.THU THROUGH SAT...W wind 25 to 40 kt. Seas 10 to 18 ft.

$$

PKZ352-240200-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
329 AM AKST Tue Feb 23 2021

...STORM WARNING WEDNESDAY...

.TODAY...SW wind 20 kt. Seas 9 to 14 ft.
.TONIGHT...SE wind 15 to 25 kt becoming E 25 to 40 kt after
midnight. Seas 8 to 11 ft. Rain.
.WED...E wind 30 to 45 kt becoming W 40 to 55 kt in the afternoon. 
Seas 11 to 19 ft. Rain.
.WED NIGHT...W wind 45 to 60 kt. Seas 14 to 20 ft.
.THU THROUGH SAT...W wind 20 to 35 kt. Seas 10 to 18 ft.

$$
4 follow-up statements
175 
FZAK61 PAFC 240011
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
311 PM AKST Tue Feb 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.

PKZ399-241500-
311 PM AKST Tue Feb 23 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 1004 mb low at 50N 155W moves to 57N 144W at 980 mb Wed
afternoon. The low then exits the Gulf to the east by Thu
afternoon.

$$

PKZ351-241500-
Gulf of Alaska Offshore North of 57N and West of 144W-
311 PM AKST Tue Feb 23 2021

...GALE WARNING WEDNESDAY...

.TONIGHT...S wind 15 kt becoming SE 20 to 30 kt after midnight.
Seas 8 ft.
.WED...E wind 25 to 40 kt. Seas 9 to 14 ft. Rain.
.WED NIGHT...NW wind 15 to 30 kt. Seas 11 to 17 ft.
.THU...W wind 30 to 45 kt. Seas 13 to 20 ft.
.THU NIGHT...W wind 30 to 45 kt. Seas 12 to 20 ft.
.FRI THROUGH SAT...W wind 10 to 25 kt. Seas 8 to 13 ft.
.SUN...W wind 20 to 35 kt. Seas 12 to 18 ft.

$$

PKZ352-241500-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
311 PM AKST Tue Feb 23 2021

...STORM WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...SE wind 15 to 25 kt increasing to 25 to 40 kt after
midnight. Seas 7 to 11 ft. Rain.
.WED...SE wind 25 to 40 kt becoming W 35 to 50 kt in the
afternoon. Seas 10 to 17 ft. Rain.
.WED NIGHT...W wind 40 to 55 kt diminishing to 30 to 40 kt after
midnight. Seas 14 to 20 ft.
.THU...W wind 25 to 40 kt. Seas 15 to 19 ft.
.THU NIGHT...W wind 20 to 35 kt. Seas 12 to 18 ft.
.FRI THROUGH SAT...W wind 15 to 25 kt. Seas 9 to 14 ft.
.SUN...W wind 35 kt. Seas 14 to 21 ft.

$$
472 
FZAK61 PAFC 241245
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
345 AM AKST Wed Feb 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.

PKZ399-250230-
345 AM AKST Wed Feb 24 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 995 mb low at 54N 151W moves to 57N 143W at 980 mb Wed 
afternoon. The low then exits the Gulf to the east by Thu 
afternoon.

$$

PKZ351-250230-
Gulf of Alaska Offshore North of 57N and West of 144W-
345 AM AKST Wed Feb 24 2021

...GALE WARNING THROUGH THURSDAY...

.TODAY...E wind 30 to 45 kt. Seas 9 to 16 ft. Rain and snow.
.TONIGHT...NW wind 20 to 35 kt. Seas 12 to 18 ft.
.THU...W wind 30 to 45 kt. Seas 14 to 20 ft.
.THU NIGHT...W wind 25 to 40 kt. Seas 11 to 19 ft.
.FRI THROUGH SAT...W wind 15 to 30 kt. Seas 8 to 13 ft.
.SUN...W wind 25 to 40 kt. Seas 15 to 23 ft.

$$

PKZ352-250230-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
345 AM AKST Wed Feb 24 2021

...STORM WARNING THROUGH TONIGHT...

.TODAY...SE wind 30 to 45 kt becoming W 35 to 50 kt in 
the afternoon. Seas 11 to 18 ft.
.TONIGHT...W wind 40 to 55 kt diminishing to 25 to 40 kt 
after midnight. Seas 15 to 23 ft.
.THU...W wind 25 to 40 kt. Seas 15 to 19 ft.
.THU NIGHT...W wind 20 to 35 kt. Seas 12 to 18 ft.
.FRI THROUGH SAT...W wind 20 to 35 kt. Seas 10 to 16 ft.
.SUN...W wind 25 to 40 kt. Seas 16 to 24 ft.

$$
340 
FZAK61 PAFC 242339
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
239 PM AKST Wed Feb 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.

PKZ399-251445-
239 PM AKST Wed Feb 24 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 978 mb low at 57N 144W exits the Gulf to the east Thursday
morning. Broad westerly flow remains over the Gulf through Friday
morning. A front arrives over the western Gulf Friday afternoon.

$$

PKZ351-251445-
Gulf of Alaska Offshore North of 57N and West of 144W-
239 PM AKST Wed Feb 24 2021

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...NW wind 20 to 35 kt. Seas 12 to 18 ft.
.THU...W wind 30 to 45 kt. Seas 14 to 20 ft.
.THU NIGHT...W wind 25 to 40 kt diminishing to 20 to 30 kt after
midnight. Seas 11 to 19 ft.
.FRI...SW wind 15 to 25 kt. Seas 9 to 12 ft.
.FRI NIGHT...SW wind 15 to 30 kt. Seas 9 to 12 ft.
.SAT...W wind 15 to 30 kt. Seas 9 to 13 ft.
.SUN...W wind 25 to 40 kt. Seas 15 to 23 ft.
.MON...SW wind 35 kt. Seas 11 to 18 ft.

$$

PKZ352-251445-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
239 PM AKST Wed Feb 24 2021

...STORM WARNING TONIGHT...

.TONIGHT...W wind 40 to 55 kt diminishing to 25 to 40 kt after
midnight. Seas 15 to 23 ft.
.THU...W wind 25 to 40 kt. Seas 15 to 19 ft.
.THU NIGHT...W wind 20 to 35 kt. Seas 13 to 18 ft.
.FRI...SW wind 20 to 30 kt. Seas 12 to 15 ft.
.FRI NIGHT...SW wind 20 to 30 kt. Seas 11 to 15 ft.
.SAT...W wind 20 to 35 kt. Seas 11 to 16 ft.
.SUN THROUGH MON...SW wind 25 to 40 kt. Seas 16 to 24 ft.

$$
416 
FZAK61 PAFC 251227
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
327 AM AKST Thu Feb 25 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.

PKZ399-260230-
327 AM AKST Thu Feb 25 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 996 mb low at 59N 140W exits the Gulf to the east Thursday 
afternoon. Broad westerly flow remains over the Gulf through 
Friday morning. A front arrives over the western Gulf Friday 
afternoon.

$$

PKZ351-260230-
Gulf of Alaska Offshore North of 57N and West of 144W-
327 AM AKST Thu Feb 25 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...W wind 30 to 40 kt. Seas 14 to 21 ft.
.TONIGHT...W wind 25 to 35 kt diminishing to 15 to 25 kt 
after midnight. Seas 11 to 19 ft.
.FRI...SW wind 10 to 25 kt. Seas 9 to 12 ft.
.FRI NIGHT...SW wind 15 to 25 kt. Seas 7 to 10 ft.
.SAT...W wind 25 to 40 kt. Seas 10 to 18 ft.
.SUN THROUGH MON...SW wind 25 to 40 kt. Seas 13 to 21 ft.

$$

PKZ352-260230-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
327 AM AKST Thu Feb 25 2021

...GALE WARNING TODAY...

.TODAY...W wind 25 to 40 kt. Seas 15 to 20 ft.
.TONIGHT...W wind 20 to 30 kt. Seas 12 to 19 ft.
.FRI...SW wind 25 kt. Seas 13 ft. Rain.
.FRI NIGHT...SW wind 20 to 30 kt. Seas 10 to 14 ft.
.SAT...W wind 30 to 45 kt. Seas 12 to 20 ft.
.SUN...W wind 30 to 45 kt. Seas 18 to 23 ft.
.MON...SW wind 40 kt. Seas 13 to 19 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 3:21 PM AKSTGale WarningAFC3 days
Feb 22, 3:21 PM AKSTSmall Craft AdvisoryAFC24 hr
Feb 22, 3:46 PM AKSTGale WarningAFC4 days
Feb 22, 3:46 PM AKSTSmall Craft AdvisoryAFC48 hr
Feb 23, 3:32 AM AKSTGale WarningAFC48 hr
Feb 23, 3:32 AM AKSTHeavy Freezing Spray WarningAFC11 hr
Feb 23, 3:34 AM AKSTBrisk Wind AdvisoryAFC12 hr
Feb 23, 3:34 AM AKSTGale WarningAFC60 hr
Feb 23, 3:34 AM AKSTSmall Craft AdvisoryAFC60 hr
Feb 23, 3:34 AM AKSTHeavy Freezing Spray WarningAFC35 hr
Feb 23, 3:44 AM AKSTGale WarningAFC60 hr
Feb 23, 3:44 AM AKSTSmall Craft AdvisoryAFC36 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.