Alert archive / Alaska / Storm Warnings in 2021

Storm Warning 201, NWS Anchorage, AK

December 30, 2021

NWS Anchorage, AK issued this storm warning at Dec 30, 2021, 4:09 AM AKST. It was in force for 23 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, 2021, 4:09 AM AKST (13:09 UTC)
Expired
Dec 31, 2021, 3:11 AM AKST
In force
23 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

994 
FZAK62 PAFC 301309
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
409 AM AKST Thu Dec 30 2021

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-310200-
409 AM AKST Thu Dec 30 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A 985 mb low at 53N 180W moves to 56N 176W Thursday night. The 
low then moves to 56N 165W at 990 mb Friday morning. Its front 
extends across the Bering from Thursday through Friday.

$$

PKZ411-310200-
Bering Sea Offshore West of 180 and East of the International
Dateline-
409 AM AKST Thu Dec 30 2021

...STORM WARNING TODAY...

.TODAY...NW wind 35 to 50 kt. Seas 13 to 21 ft. Snow and rain 
showers.
.TONIGHT...N wind 30 to 45 kt. Seas 13 to 21 ft. Snow.
.FRI...E wind 15 to 30 kt. Seas 11 to 16 ft. Rain.
.FRI NIGHT...SE wind 30 to 45 kt. Seas 10 to 18 ft.
.SAT THROUGH MON...E wind 35 to 50 kt. Seas 14 to 28 ft.

$$

PKZ412-310200-
Bering Sea Offshore 171W to 180 and North of 56N-
409 AM AKST Thu Dec 30 2021

...GALE WARNING THROUGH FRIDAY...

.TODAY...E wind 30 to 45 kt. Seas 10 to 18 ft. Snow and rain showers.
.TONIGHT...N wind 30 to 45 kt. E of 174W, E wind 15 to 25 kt. Seas 
12 to 20 ft. Snow and rain showers.
.FRI...N wind 25 to 40 kt diminishing to 15 to 30 kt in the
afternoon. Seas 12 to 19 ft. Freezing spray N of 58N.
.FRI NIGHT...NE wind 10 to 25 kt. Seas 7 to 12 ft.
.SAT THROUGH MON...E wind 25 to 40 kt. Seas 11 to 19 ft.

$$

PKZ413-310200-
Bering Sea Offshore 171W to 180 and South of 56N-
409 AM AKST Thu Dec 30 2021

...STORM WARNING TONIGHT...

.TODAY...S wind 15 to 30 kt becoming SW 20 to 35 kt in the 
afternoon. W of 177W, S wind 10 to 25 kt becoming NW 30 to 45 kt in
the afternoon. Seas 8 to 11 ft building to 10 to 18 ft in the 
afternoon. Rain and snow showers.
.TONIGHT...NW wind 35 to 50 kt. N of 55N, W wind 20 to 35 kt. Seas 
15 to 23 ft. Widespread rain showers.
.FRI...NW wind 20 to 35 kt. Seas 14 to 19 ft.
.FRI NIGHT...NE wind 15 to 30 kt. Seas 9 to 15 ft.
.SAT THROUGH MON...E wind 25 to 40 kt. Seas 11 to 19 ft.

$$

PKZ414-310200-
Bering Sea Offshore East of 171W-
409 AM AKST Thu Dec 30 2021

...GALE WARNING TODAY AND FRIDAY...

.TODAY...S wind 20 to 35 kt. Seas 8 to 13 ft. Rain.
.TONIGHT...S wind 15 to 30 kt. Seas 9 to 16 ft. Rain and snow 
showers.
.FRI...N wind 20 to 35 kt. Seas 11 to 17 ft. Freezing spray N of 58N.
Snow showers.
.FRI NIGHT...N wind 20 to 35 kt. Seas 10 to 18 ft.
.SAT THROUGH MON...NE wind 20 to 35 kt. Seas 6 to 11 ft.

$$
2 follow-up statements
563 
FZAK62 PAFC 310026
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
326 PM AKST Thu Dec 30 2021

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-311445-
326 PM AKST Thu Dec 30 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A 985 mb low at 56N 175W Thursday afternoon moves over the Alaska 
Peninsula Friday afternoon at 992 mb and exits the Bering Friday 
night. Its associated front extends across the Bering Thursday 
through Friday. A weak ridge of high pressure develops over the 
central Bering Saturday afternoon.

$$

PKZ411-311445-
Bering Sea Offshore West of 180 and East of the International
Dateline-
326 PM AKST Thu Dec 30 2021

...GALE WARNING TONIGHT AND FRIDAY NIGHT...

.TONIGHT...N wind 30 to 45 kt. Seas 13 to 21 ft. Snow.
.FRI...E wind 15 to 30 kt. Seas 11 to 17 ft. Rain.
.FRI NIGHT...SE wind 20 to 35 kt increasing to 30 to 45 kt after
midnight. Seas 10 to 18 ft.
.SAT...SE wind 30 to 45 kt. Seas 14 to 22 ft.
.SAT NIGHT...SE wind 40 kt. Seas 17 to 23 ft.
.SUN THROUGH MON...E wind 30 to 45 kt. Seas 18 to 28 ft.
.TUE...E wind 15 to 30 kt. Seas 13 to 19 ft.

$$

PKZ412-311445-
Bering Sea Offshore 171W to 180 and North of 56N-
326 PM AKST Thu Dec 30 2021

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...N wind 30 to 45 kt. Seas 12 to 20 ft. Snow and rain
showers.
.FRI...N wind 25 to 40 kt. Seas 12 to 19 ft. Freezing spray.
.FRI NIGHT...NE wind 10 to 25 kt. Seas 8 to 13 ft. Freezing spray.
.SAT AND SAT NIGHT...SE wind 20 to 35 kt. Seas 8 to 13 ft.
.SUN THROUGH TUE...NE wind 20 to 35 kt. Seas 11 to 19 ft.

$$

PKZ413-311445-
Bering Sea Offshore 171W to 180 and South of 56N-
326 PM AKST Thu Dec 30 2021

...STORM WARNING TONIGHT...

.TONIGHT...W wind 35 to 50 kt. Seas 13 to 21 ft. Rain showers.
.FRI...NW wind 25 to 40 kt. Seas 14 to 19 ft.
.FRI NIGHT...N wind 10 to 25 kt becoming E after midnight. Seas 9
to
15 ft.
.SAT AND SAT NIGHT...SE wind 15 to 35 kt. Seas 8 to 13 ft.
.SUN THROUGH TUE...NE wind 25 to 40 kt. Seas 12 to 20 ft.

$$

PKZ414-311445-
Bering Sea Offshore East of 171W-
326 PM AKST Thu Dec 30 2021

...GALE WARNING FRIDAY AND FRIDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING FRIDAY NIGHT...

.TONIGHT...SW wind 15 to 30 kt. Seas 9 to 15 ft. Rain showers.
.FRI...N wind 25 to 40 kt. Seas 10 to 18 ft. Freezing spray.
.FRI NIGHT...N wind 20 to 35 kt. Seas 10 to 18 ft. Heavy freezing
spray.
.SAT AND SAT NIGHT...N wind 15 to 30 kt. Seas 7 to 12 ft.
.SUN...NE wind 10 to 25 kt. Seas 7 ft.
.MON THROUGH TUE...NE wind 30 kt. Seas 7 to 12 ft.

$$
162 
FZAK62 PAFC 311211
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
311 AM AKST Fri Dec 31 2021

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-010215-
311 AM AKST Fri Dec 31 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A 989 mb low at 56N 168W moves over the Alaska Peninsula Friday 
afternoon at 992 mb. The low then weakens and exits into the 
western Gulf Friday night. A weak ridge of high pressure develops 
over the central Bering Saturday afternoon


$$

PKZ411-010215-
Bering Sea Offshore West of 180 and East of the International
Dateline-
311 AM AKST Fri Dec 31 2021

...GALE WARNING TONIGHT AND SATURDAY...

.TODAY...E wind 15 to 30 kt. Seas 11 to 17 ft.
.TONIGHT...SE wind 20 to 35 kt increasing to 30 to 45 kt after
midnight. Seas 10 to 18 ft.
.SAT...SE wind 30 to 45 kt. Seas 14 to 22 ft.
.SAT NIGHT...SE wind 40 kt. Seas 17 to 23 ft.
.SUN THROUGH TUE...NE wind 35 to 45 kt. Seas 16 to 29 ft.

$$

PKZ412-010215-
Bering Sea Offshore 171W to 180 and North of 56N-
311 AM AKST Fri Dec 31 2021

...GALE WARNING TODAY AND SATURDAY...

.TODAY...N wind 25 to 40 kt. Seas 12 to 19 ft. Freezing spray.
.TONIGHT...NE wind 10 to 25 kt. Seas 8 to 13 ft. Freezing spray.
.SAT...SE wind 20 to 35 kt. Seas 7 to 12 ft. Freezing spray.
.SAT NIGHT...SE wind 20 to 35 kt. Seas 9 to 14 ft.
.SUN...SE wind 20 to 35 kt. Seas 9 to 17 ft.
.MON THROUGH TUE...NE wind 25 to 35 kt. Seas 10 to 18 ft.

$$

PKZ413-010215-
Bering Sea Offshore 171W to 180 and South of 56N-
311 AM AKST Fri Dec 31 2021

...GALE WARNING TODAY...

.TODAY...NW wind 25 to 40 kt. Seas 14 to 19 ft.
.TONIGHT...N wind 10 to 25 kt becoming E after midnight. Seas 9 to
15 ft.
.SAT...SE wind 15 to 30 kt. Seas 8 to 13 ft.
.SAT NIGHT...SE wind 20 to 35 kt. Seas 8 to 13 ft.
.SUN THROUGH TUE...NE wind 25 to 40 kt. Seas 11 to 19 ft.

$$

PKZ414-010215-
Bering Sea Offshore East of 171W-
311 AM AKST Fri Dec 31 2021

...GALE WARNING THROUGH TONIGHT...
...HEAVY FREEZING SPRAY WARNING TONIGHT AND SATURDAY...

.TODAY...N wind 25 to 40 kt. Seas 10 to 18 ft. Freezing spray.
.TONIGHT...N wind 20 to 35 kt. Seas 10 to 18 ft. Heavy freezing
spray.
.SAT...N wind 15 to 30 kt. Seas 8 to 13 ft. Heavy freezing spray.
.SAT NIGHT...NE wind 15 to 30 kt. Seas 6 to 11 ft.
.SUN THROUGH TUE...NE wind 20 to 35 kt. Seas 8 to 16 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 3:07 PM AKSTSmall Craft AdvisoryAFC37 hr
Dec 29, 3:21 PM AKSTGale WarningAFC13 hr
Dec 29, 3:21 PM AKSTSmall Craft AdvisoryAFC13 hr
Dec 29, 3:21 PM AKSTStorm WarningAFC13 hr
Dec 29, 3:21 PM AKSTHeavy Freezing Spray WarningAFC13 hr
Dec 29, 3:24 PM AKSTWinter Weather AdvisoryAFC39 hr
Dec 30, 4:02 AM AKSTSmall Craft AdvisoryAFC24 hr
Dec 30, 4:23 AM AKSTGale WarningAFC36 hr
Dec 30, 4:23 AM AKSTSmall Craft AdvisoryAFC11 hr
Dec 30, 4:23 AM AKSTStorm WarningAFC23 hr
Dec 30, 4:23 AM AKSTHeavy Freezing Spray WarningAFC36 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.