Alert archive / Alaska / Storm Warnings in 2021

Storm Warning 45, NWS Anchorage, AK

February 28, 2021

NWS Anchorage, AK issued this storm warning at Feb 28, 2021, 3:39 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 28, 2021, 3:39 AM AKST (12:39 UTC)
Expired
Mar 2, 2021, 3:24 AM AKST
In force
48 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

627 
FZAK62 PAFC 281239
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
339 AM AKST Sun Feb 28 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.

PKZ499-010300-
339 AM AKST Sun Feb 28 2021

.SYNOPSIS FOR CENTRAL BERING SEA...A deepening 962 mb low at 54N 
171E moves across the central Bering to 57N 167W at 975 mb by Tue 
morning. Its front moves across the Aleutians and Bering Sea into 
Southwest Alaska through Mon morning.

$$

PKZ411-010300-
Bering Sea Offshore West of 180 and East of the International
Dateline-
339 AM AKST Sun Feb 28 2021

...STORM WARNING THROUGH MONDAY...
...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...S wind 40 to 55 kt. Seas 22 to 33 ft. Heavy freezing
spray. Widespread snow showers.
.TONIGHT...SW wind 40 to 55 kt becoming W 30 to 45 kt after midnight. 
Seas 27 to 42 ft. Freezing spray. Snow showers.
.MON...NW wind 35 to 50 kt. Seas 21 to 36 ft. Freezing spray. Snow
showers.
.MON NIGHT...NW wind 20 to 35 kt. Seas 15 to 23 ft.
.TUE...W wind 15 to 30 kt. Seas 10 to 17 ft.
.WED...SE wind 25 to 40 kt. Seas 12 to 20 ft.
.THU...SW wind 30 to 40 kt. Seas 21 to 28 ft.

$$

PKZ412-010300-
Bering Sea Offshore 171W to 180 and North of 56N-
339 AM AKST Sun Feb 28 2021

...STORM WARNING TODAY...
...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...SE wind 40 to 55 kt. Seas 15 to 23 ft. Heavy freezing
spray. Snow.
.TONIGHT...S wind 30 to 45 kt. Seas 21 to 36 ft. Freezing spray.
Snow showers.
.MON...W wind 30 to 45 kt. Seas 26 to 39 ft. Freezing spray. Snow
showers.
.MON NIGHT...NW wind 25 to 40 kt. Seas 17 to 32 ft.
.TUE...NW wind 20 to 35 kt. Seas 11 to 19 ft.
.WED...SE wind 25 to 40 kt. Seas 9 to 17 ft.
.THU...SW wind 20 to 35 kt. Seas 14 to 26 ft.

$$

PKZ413-010300-
Bering Sea Offshore 171W to 180 and South of 56N-
339 AM AKST Sun Feb 28 2021

...STORM WARNING THROUGH MONDAY...

.TODAY...S wind 40 to 55 kt becoming SW 30 to 45 kt in the
afternoon. Seas 14 to 22 ft building to 20 to 31 ft in the
afternoon. Snow and rain.
.TONIGHT...SW wind 40 to 55 kt. Seas 26 to 41 ft. Snow showers.
.MON...W wind 40 to 55 kt. Seas 35 to 47 ft. Snow showers.
.MON NIGHT...W wind 40 to 55 kt. Seas 25 to 40 ft.
.TUE...NW wind 20 to 35 kt. Seas 14 to 22 ft.
.WED...S wind 20 to 35 kt. Seas 8 to 16 ft.
.THU...SW wind 25 to 35 kt. Seas 14 to 22 ft.

$$

PKZ414-010300-
Bering Sea Offshore East of 171W-
339 AM AKST Sun Feb 28 2021

...STORM WARNING MONDAY...
...HEAVY FREEZING SPRAY WARNING TODAY AND MONDAY...

.TODAY...E wind 20 to 35 kt becoming SE 30 to 45 kt in the
afternoon. Seas 5 to 8 ft building to 9 to 14 ft in the afternoon.
Heavy freezing spray. Snow.
.TONIGHT...SW wind 25 to 40 kt. Seas 9 to 17 ft building to 15 to
23 ft after midnight. Freezing spray. Snow.
.MON...SW wind 35 to 50 kt. Seas 18 to 33 ft building to 24 to 39
ft in the afternoon. Heavy freezing spray. Snow showers.
.MON NIGHT...W wind 35 to 50 kt. Seas 25 to 40 ft.
.TUE...NW wind 30 to 40 kt. Seas 14 to 29 ft.
.WED...NW wind 25 to 40 kt. Seas 9 to 17 ft.
.THU...SW wind 15 to 30 kt. Seas 9 to 14 ft.

$$
4 follow-up statements
166 
FZAK62 PAFC 010058
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
358 PM AKST Sun Feb 28 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.

PKZ499-011415-
358 PM AKST Sun Feb 28 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A 942 mb low at 56N 170E moves to 56N 151W at 980 mb for Tue 
afternoon. Its front moves across the Bering and Southwest Alaska 
into the Gulf of Alaska through Tue afternoon. Several troughs 
move over the Bering by Tue afternoon.

$$

PKZ411-011415-
Bering Sea Offshore West of 180 and East of the International
Dateline-
358 PM AKST Sun Feb 28 2021

...STORM WARNING THROUGH MONDAY...

.TONIGHT...SW wind 45 to 60 kt becoming W 45 to 60 kt after midnight.
Seas 28 to 43 ft. Freezing spray. Snow showers.
.MON...W wind 35 to 50 kt becoming NW in the afternoon. Seas 24 to 
39 ft subsiding to 19 to 29 ft in the afternoon. Freezing spray. Snow
showers.
.MON NIGHT...NW wind 15 to 30 kt. Seas 14 to 21 ft. Freezing
spray.
.TUE...NW wind 15 to 30 kt. Seas 11 to 17 ft.
.TUE NIGHT...SW wind 15 to 30 kt. Seas 9 to 13 ft.
.WED...SE wind 30 to 45 kt. Seas 13 to 21 ft.
.THU THROUGH FRI...SW wind 30 to 40 kt. Seas 21 to 28 ft.

$$

PKZ412-011415-
Bering Sea Offshore 171W to 180 and North of 56N-
358 PM AKST Sun Feb 28 2021

...GALE WARNING THROUGH MONDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING MONDAY NIGHT...

.TONIGHT...S wind 30 to 45 kt. Seas 22 to 37 ft. Freezing spray.
Snow showers.
.MON...W wind 30 to 45 kt. Seas 27 to 42 ft. Snow showers.
.MON NIGHT...NW wind 30 to 45 kt diminishing to 25 to 35 kt after
midnight. Seas 18 to 33 ft. Heavy freezing spray. Snow showers.
.TUE...NW wind 20 to 35 kt. Seas 13 to 21 ft.
.TUE NIGHT...NW wind 20 to 35 kt. Seas 9 to 17 ft.
.WED...SE wind 25 to 40 kt. Seas 8 to 16 ft.
.THU THROUGH FRI...SW wind 20 to 35 kt. Seas 14 to 26 ft.

$$

PKZ413-011415-
Bering Sea Offshore 171W to 180 and South of 56N-
358 PM AKST Sun Feb 28 2021

...STORM WARNING THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 40 to 55 kt. Seas 29 to 44 ft. Snow showers.
.MON...W wind 40 to 55 kt. Seas 42 to 49 ft subsiding to 32 to 45
ft in the afternoon. Snow showers.
.MON NIGHT...W wind 35 to 50 kt becoming NW 30 to 40 kt after
midnight. Seas 23 to 38 ft. Freezing spray. Snow showers.
.TUE...NW wind 25 to 40 kt. Seas 16 to 25 ft.
.TUE NIGHT...NW wind 20 to 35 kt. Seas 11 to 19 ft.
.WED...S wind 25 to 40 kt. Seas 9 to 14 ft.
.THU THROUGH FRI...SW wind 25 to 35 kt. Seas 15 to 23 ft.

$$

PKZ414-011415-
Bering Sea Offshore East of 171W-
358 PM AKST Sun Feb 28 2021

...STORM WARNING MONDAY AND MONDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING MONDAY...

.TONIGHT...SW wind 20 to 35 kt increasing to 30 to 45 kt after
midnight. Seas 10 to 18 ft building to 13 to 28 ft after midnight.
Freezing spray. Snow.
.MON...SW wind 35 to 50 kt. Seas 23 to 38 ft. Heavy freezing
spray. Snow showers.
.MON NIGHT...W wind 35 to 50 kt. Seas 24 to 39 ft. Freezing spray.
Snow showers.
.TUE...NW wind 30 to 40 kt. Seas 16 to 30 ft.
.TUE NIGHT...NW wind 30 to 40 kt. Seas 14 to 22 ft.
.WED...NW wind 25 to 40 kt. Seas 8 to 16 ft.
.THU THROUGH FRI...W wind 15 to 30 kt. Seas 11 to 19 ft.

$$
411 
FZAK62 PAFC 011228
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
328 AM AKST Mon Mar 1 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.

PKZ499-020230-
328 AM AKST Mon Mar 1 2021

.SYNOPSIS FOR CENTRAL BERING SEA...

A 959 mb complex low at 59N 177W moves to 57N 161W at 975 mb by
Tue morning, then crosses the Alaska Peninsula into the North
Pacific near 52N 150W at 982 mb by early Wed morning. Its front 
moves across Southwest Alaska and the Gulf of Alaska through Wed 
morning.

$$

PKZ411-020230-
Bering Sea Offshore West of 180 and East of the International
Dateline-
328 AM AKST Mon Mar 1 2021

...STORM WARNING TODAY...

.TODAY...NW wind 35 to 50 kt. Seas 24 to 39 ft subsiding to 19 to
29 ft in the afternoon. Freezing spray. Snow showers.
.TONIGHT...NW wind 15 to 30 kt. Seas 14 to 21 ft. Freezing spray.
.TUE...NW wind 15 to 30 kt. Seas 11 to 17 ft. Freezing spray.
.TUE NIGHT...SW wind 20 to 35 kt. Seas 9 to 13 ft.
.WED...S wind 35 to 50 kt. Seas 16 to 24 ft.
.THU THROUGH FRI...SW wind 30 to 45 kt. Seas 22 to 33 ft.

$$

PKZ412-020230-
Bering Sea Offshore 171W to 180 and North of 56N-
328 AM AKST Mon Mar 1 2021

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

.TODAY...W wind 30 to 45 kt. Seas 27 to 42 ft. Snow showers.
.TONIGHT...NW wind 30 to 45 kt diminishing to 25 to 35 kt after
midnight. Seas 18 to 33 ft. Heavy freezing spray. Snow showers.
.TUE...NW wind 20 to 35 kt. Seas 13 to 21 ft. Heavy freezing spray. 
.TUE NIGHT...NW wind 20 to 35 kt. Seas 9 to 17 ft.
.WED...S wind 30 to 45 kt. Seas 13 to 21 ft.
.THU THROUGH FRI...SW wind 25 to 40 kt. Seas 17 to 32 ft.

$$

PKZ413-020230-
Bering Sea Offshore 171W to 180 and South of 56N-
328 AM AKST Mon Mar 1 2021

...STORM WARNING THROUGH TONIGHT...

.TODAY...W wind 40 to 55 kt. Seas 42 to 49 ft subsiding to 32 to
45 ft in the afternoon. Snow showers.
.TONIGHT...W wind 35 to 50 kt becoming NW 30 to 40 kt after
midnight. Seas 23 to 38 ft. Freezing spray. Snow showers.
.TUE...NW wind 30 to 40 kt diminishing to 20 to 35 kt in the
afternoon. Seas 16 to 25 ft. Freezing spray.
.TUE NIGHT...NW wind 20 to 35 kt. Seas 11 to 19 ft.
.WED...S wind 30 to 45 kt. Seas 13 to 21 ft.
.THU THROUGH FRI...SW wind 30 to 40 kt. Seas 16 to 31 ft.

$$

PKZ414-020230-
Bering Sea Offshore East of 171W-
328 AM AKST Mon Mar 1 2021

...STORM WARNING THROUGH TONIGHT...
...HEAVY FREEZING SPRAY WARNING TODAY AND TUESDAY...

.TODAY...SW wind 35 to 50 kt. Seas 23 to 38 ft. Heavy freezing
spray. Snow showers.
.TONIGHT...W wind 35 to 50 kt. Seas 24 to 39 ft. Freezing spray.
Snow showers.
.TUE...NW wind 30 to 40 kt. Seas 16 to 30 ft. Heavy freezing
spray. Snow showers.
.TUE NIGHT...NW wind 30 to 40 kt. Seas 14 to 22 ft.
.WED...NW wind 25 to 40 kt. Seas 8 to 16 ft.
.THU...SW wind 25 to 40 kt. Seas 10 to 18 ft.
.FRI...SW wind 20 to 35 kt. Seas 14 to 26 ft.

$$
562 
FZAK62 PAFC 020052
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
352 PM AKST Mon Mar 1 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.

PKZ499-021400-
352 PM AKST Mon Mar 1 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A 967 mb low at 58N 177W moves to 53N 157W at 985 mb Tue 
afternoon continuing into the North Pacific. Its front extends 
through Southwest Alaska into the Gulf of Alaska and dissipating 
Wed afternoon. A Kamchatka front moves into the Western Aleutians 
and Bering by Wed afternoon.

$$

PKZ411-021400-
Bering Sea Offshore West of 180 and East of the International
Dateline-
352 PM AKST Mon Mar 1 2021

...GALE WARNING TONIGHT AND TUESDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING TONIGHT...

.TONIGHT...NW wind 20 to 35 kt. Seas 13 to 21 ft. Heavy freezing 
spray.
.TUE...NW wind 15 to 30 kt diminishing to 10 to 20 kt in the
afternoon. Seas 10 to 17 ft. Freezing spray.
.TUE NIGHT...W wind up to 20 kt becoming S 20 to 35 kt after
midnight. Seas 8 to 13 ft. Freezing spray.
.WED...S wind 35 to 50 kt. Seas 13 to 21 ft.
.WED NIGHT...SW wind 30 to 45 kt. Seas 20 to 26 ft.
.THU THROUGH FRI...SW wind 30 to 45 kt. Seas 22 to 31 ft.
.SAT...S wind 25 to 40 kt. Seas 16 to 23 ft.

$$

PKZ412-021400-
Bering Sea Offshore 171W to 180 and North of 56N-
352 PM AKST Mon Mar 1 2021

...GALE WARNING THROUGH TUESDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...NW wind 30 to 45 kt diminishing to 25 to 35 kt after
midnight. Seas 17 to 32 ft. Heavy freezing spray. Snow showers.
.TUE...NW wind 20 to 35 kt. Seas 13 to 21 ft. Heavy freezing
spray.
.TUE NIGHT...NW wind 15 to 30 kt. Seas 8 to 16 ft. Heavy freezing
spray.
.WED...SE wind 30 to 45 kt. Seas 8 to 13 ft.
.WED NIGHT...S wind 30 to 45 kt. Seas 11 to 19 ft.
.THU THROUGH SAT...S wind 25 to 40 kt. Seas 19 to 32 ft.

$$

PKZ413-021400-
Bering Sea Offshore 171W to 180 and South of 56N-
352 PM AKST Mon Mar 1 2021

...STORM WARNING TONIGHT...

.TONIGHT...W wind 35 to 50 kt becoming NW 30 to 40 kt after
midnight. Seas 22 to 37 ft. Freezing spray.
.TUE...NW wind 30 to 40 kt diminishing to 20 to 35 kt in the
afternoon. Seas 15 to 28 ft. Freezing spray.
.TUE NIGHT...W wind 20 to 35 kt. Seas 10 to 18 ft. Freezing spray.
.WED...S wind 25 to 40 kt. Seas 9 to 14 ft.
.WED NIGHT...SW wind 30 to 45 kt. Seas 12 to 20 ft.
.THU THROUGH SAT...S wind 30 to 45 kt. Seas 17 to 32 ft.

$$

PKZ414-021400-
Bering Sea Offshore East of 171W-
352 PM AKST Mon Mar 1 2021

...STORM WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...W wind 35 to 50 kt. Seas 22 to 37 ft. Freezing spray.
Snow showers.
.TUE...NW wind 30 to 45 kt becoming 40 kt in the afternoon. Seas
16 to 30 ft. Heavy freezing spray. Snow showers.
.TUE NIGHT...NW wind 30 to 40 kt. Seas 14 to 22 ft. Heavy freezing
spray.
.WED...NW wind 25 to 40 kt. Seas 9 to 14 ft.
.WED NIGHT...S wind 25 to 40 kt. Seas 7 to 12 ft.
.THU THROUGH SAT...SW wind 20 to 35 kt. Seas 15 to 23 ft.

$$
003 
FZAK62 PAFC 021224
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
324 AM AKST Tue Mar 2 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.

PKZ499-030200-
324 AM AKST Tue Mar 2 2021
.SYNOPSIS FOR CENTRAL BERING SEA...
A 976 mb complex low at 58N 166W moves into the North Pacific and
weakens through this afternoon. A Kamchatka front moves over the 
western Aleutians and Bering by Wed morning then spreads into the 
central Aleutians by Thu morning.

$$

PKZ411-030200-
Bering Sea Offshore West of 180 and East of the International
Dateline-
324 AM AKST Tue Mar 2 2021

...STORM WARNING WEDNESDAY...

.TODAY...NW wind 15 to 30 kt diminishing to 10 to 20 kt in the
afternoon. Seas 10 to 17 ft. Freezing spray.
.TONIGHT...W wind up to 20 kt becoming S 20 to 35 kt after
midnight. Seas 8 to 13 ft. Freezing spray. Snow.
.WED...S wind 35 to 50 kt. Seas 13 to 21 ft. Freezing spray in the
morning. Rain with snow.
.WED NIGHT...W wind 30 to 45 kt. Seas 20 to 26 ft.
.THU THROUGH SAT...S wind 30 to 45 kt. Seas 16 to 30 ft.

$$

PKZ412-030200-
Bering Sea Offshore 171W to 180 and North of 56N-
324 AM AKST Tue Mar 2 2021

...GALE WARNING TODAY AND WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH WEDNESDAY...

.TODAY...NW wind 20 to 35 kt. Seas 13 to 21 ft. Heavy freezing
spray.
.TONIGHT...NW wind 15 to 30 kt. Seas 8 to 16 ft. Heavy freezing
spray.
.WED...SE wind 20 to 35 kt increasing to 30 to 45 kt in the
afternoon. Seas 8 to 13 ft. Heavy freezing spray in the morning. 
Snow and rain.
.WED NIGHT...S wind 30 to 45 kt. Seas 12 to 20 ft.
.THU THROUGH SAT...S wind 30 to 45 kt. Seas 19 to 30 ft.

$$

PKZ413-030200-
Bering Sea Offshore 171W to 180 and South of 56N-
324 AM AKST Tue Mar 2 2021

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...NW wind 30 to 40 kt diminishing to 20 to 35 kt in the
afternoon. Seas 15 to 28 ft. Freezing spray.
.TONIGHT...W wind 20 to 35 kt. Seas 10 to 18 ft. Freezing spray.
.WED...SW wind 15 to 30 kt becoming S 25 to 40 kt in the
afternoon. Seas 8 to 16 ft. Freezing spray.
.WED NIGHT...SW wind 30 to 45 kt. Seas 13 to 21 ft.
.THU THROUGH SAT...S wind 35 to 50 kt. Seas 20 to 32 ft.

$$

PKZ414-030200-
Bering Sea Offshore East of 171W-
324 AM AKST Tue Mar 2 2021

...GALE WARNING THROUGH WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH WEDNESDAY...

.TODAY...NW wind 30 to 45 kt becoming 40 kt in the afternoon. Seas
16 to 30 ft. Heavy freezing spray. Snow showers.
.TONIGHT...NW wind 30 to 40 kt. Seas 14 to 22 ft. Heavy freezing
spray.
.WED...NW wind 25 to 40 kt diminishing to 15 to 30 kt in the
afternoon. Seas 9 to 17 ft. Heavy freezing spray.
.WED NIGHT...S wind 30 to 45 kt. Seas 9 to 14 ft.
.THU THROUGH SAT...SW wind 30 to 45 kt. Seas 15 to 30 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 3:56 PM AKSTGale WarningAFC6 days
Feb 27, 3:56 PM AKSTStorm WarningAFC48 hr
Feb 27, 4:01 PM AKSTHeavy Freezing Spray WarningAFC12 hr
Feb 27, 4:07 PM AKSTWinter Weather AdvisoryAFC26 hr
Feb 27, 5:06 PM AKSTHigh Wind WatchAFC8 hr
Feb 27, 5:29 PM AKSTWinter Weather AdvisoryAFC28 hr
Feb 28, 3:39 AM AKSTStorm WarningAFC60 hr
Feb 28, 3:39 AM AKSTHeavy Freezing Spray WarningAFC36 hr
Feb 28, 11:07 AM AKSTHigh Wind WarningAFC3 hr
Feb 28, 2:53 PM AKSTGale WarningAFC36 hr
Feb 28, 2:53 PM AKSTGale WarningAFC4 days
Feb 28, 2:53 PM AKSTSmall 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.