Alert archive / Alaska / Storm Warnings in 2021

Storm Warning 72, NWS Anchorage, AK

March 5, 2021

NWS Anchorage, AK issued this storm warning at Mar 5, 2021, 3:40 PM 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
Mar 5, 2021, 3:40 PM AKST (00:40 UTC)
Expired
Mar 6, 2021, 3:36 AM AKST
In force
12 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

053 
FZAK62 PAFC 060040
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
340 PM AKST Fri Mar 5 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.

PKZ499-061545-
340 PM AKST Fri Mar 5 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

VENIAMINOF VOLCANO AT 56N 159W IS CURRENTLY ACTIVE. 

A 994 mb low at 56N 166E moves into the Chukotsk Peninsula Sun 
afternoon. Its front moves into the Chukchi Sea with the trailing 
front moving into the Central Bering by Sun afternoon. Several 
waves of lower pressure follow this front through Sun afternoon.

$$

PKZ411-061545-
Bering Sea Offshore West of 180 and East of the International
Dateline-
340 PM AKST Fri Mar 5 2021

...STORM WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...SW wind 25 to 40 kt increasing to 35 to 45 kt after
midnight. Seas 15 to 23 ft. Freezing spray north of 57N in the
evening.
.SAT...SW wind 35 to 50 kt. Seas 19 to 23 ft.
.SAT NIGHT...SW wind 30 to 50 kt. Seas 20 to 26 ft. Freezing spray. 
Snow showers.
.SUN...W wind 20 to 35 kt. Seas 15 to 22 ft.
.SUN NIGHT...W wind 15 to 30 kt. Seas 13 to 17 ft.
.MON THROUGH WED...SW wind 15 to 30 kt. Seas 7 to 12 ft.

$$

PKZ412-061545-
Bering Sea Offshore 171W to 180 and North of 56N-
340 PM AKST Fri Mar 5 2021

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...SW wind 25 to 40 kt. Seas 16 to 22 ft. Freezing spray
north of 58N in the evening.
.SAT...SW wind 40 kt. Seas 18 to 22 ft.
.SAT NIGHT...S wind 30 to 40 kt. Seas 16 to 22 ft. Widespread snow
showers.
.SUN...SW wind 25 to 40 kt. Seas 16 to 21 ft.
.SUN NIGHT...W wind 15 to 25 kt. Seas 13 to 16 ft.
.MON THROUGH WED...SW wind 10 to 25 kt. Seas 7 to 12 ft.

$$

PKZ413-061545-
Bering Sea Offshore 171W to 180 and South of 56N-
340 PM AKST Fri Mar 5 2021

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...SW wind 20 to 35 kt. Seas 21 ft.
.SAT...SW wind 25 to 35 kt. Seas 15 to 20 ft.
.SAT NIGHT...S wind 25 to 40 kt. Seas 15 to 18 ft. Snow and
widespread rain showers.
.SUN...SW wind 25 to 40 kt. Seas 13 to 18 ft.
.SUN NIGHT...W wind 15 to 30 kt. Seas 12 to 15 ft.
.MON THROUGH WED...W wind 15 to 30 kt. Seas 9 to 14 ft.

$$

PKZ414-061545-
Bering Sea Offshore East of 171W-
340 PM AKST Fri Mar 5 2021

.TONIGHT...W wind 15 to 30 kt. Seas 14 to 22 ft.
.SAT...SW wind 15 to 30 kt. Seas 13 to 19 ft.
.SAT NIGHT...SW wind 25 kt becoming S after midnight. Seas 11 to
16 ft.
.SUN...S wind 25 to 40 kt. Seas 11 to 17 ft.
.SUN NIGHT...SW wind 25 to 40 kt. Seas 11 to 17 ft.
.MON THROUGH TUE...SW wind 15 to 30 kt. Seas 8 to 13 ft.
.WED...N wind up to 15 kt. Seas 3 to 6 ft.

$$
1 follow-up statement
014 
FZAK62 PAFC 061236
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
336 AM AKST Sat Mar 6 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.

PKZ499-070200-
336 AM AKST Sat Mar 6 2021

.SYNOPSIS FOR CENTRAL BERING SEA...

A 990 mb low at 59N 177E moves into western Alaska by Sat night. 
Its front moves across the Bering Sat and moves into southwest 
Alaska by Sat afternoon. A 970 mb low moves near Kamchatka Sat 
morning and moves into the Chukotka Peninsula Sun afternoon. Its 
front moves across the eastern Bering and Aleutians through Mon 
morning.

$$

PKZ411-070200-
Bering Sea Offshore West of 180 and East of the International
Dateline-
336 AM AKST Sat Mar 6 2021

...GALE WARNING THROUGH SUNDAY...

.TODAY...SW wind 35 to 45 kt. Seas 19 to 23 ft.
.TONIGHT...SW wind 30 to 45 kt. Seas 20 to 26 ft. Freezing spray.
Snow showers.
.SUN...W wind 20 to 35 kt. Seas 15 to 22 ft. Freezing spray.
.SUN NIGHT...W wind 15 to 30 kt. Seas 10 to 17 ft.
.MON THROUGH TUE...W wind 10 to 25 kt. Seas 8 to 13 ft.
.WED...SW wind 15 to 25 kt. Seas 5 to 10 ft.

$$

PKZ412-070200-
Bering Sea Offshore 171W to 180 and North of 56N-
336 AM AKST Sat Mar 6 2021

...GALE WARNING THROUGH SUNDAY...

.TODAY...SW wind 40 kt. Seas 18 to 22 ft.
.TONIGHT...S wind 30 to 40 kt. Seas 16 to 22 ft. Rain showers and
snow showers.
.SUN...SW wind 25 to 40 kt diminishing to 15 to 30 kt in the
afternoon. Seas 16 to 21 ft. Freezing spray. Rain showers.
.SUN NIGHT...W wind 10 to 25 kt. Seas 12 to 16 ft.
.MON THROUGH WED...W wind 10 to 25 kt. Seas 8 to 13 ft.

$$

PKZ413-070200-
Bering Sea Offshore 171W to 180 and South of 56N-
336 AM AKST Sat Mar 6 2021

...GALE WARNING THROUGH SUNDAY...

.TODAY...SW wind 25 to 35 kt. Seas 15 to 20 ft.
.TONIGHT...S wind 25 to 40 kt. Seas 15 to 18 ft. Rain.
.SUN...SW wind 25 to 40 kt becoming W 15 to 25 kt in the afternoon. 
Seas 13 to 18 ft. Rain showers.
.SUN NIGHT...W wind 15 to 30 kt. Seas 11 to 15 ft.
.MON THROUGH WED...W wind 15 to 30 kt. Seas 8 to 13 ft.

$$

PKZ414-070200-
Bering Sea Offshore East of 171W-
336 AM AKST Sat Mar 6 2021

...GALE WARNING SUNDAY...

.TODAY...SW wind 15 to 30 kt. Seas 13 to 19 ft.
.TONIGHT...SW wind 25 kt becoming S after midnight. Seas 11 to 16 ft. 
.SUN...S wind 25 to 40 kt. Seas 11 to 17 ft. Rain showers.
.SUN NIGHT...SW wind 25 to 40 kt. Seas 12 to 18 ft.
.MON THROUGH TUE...SW wind 10 to 25 kt. Seas 8 to 13 ft.
.WED...NW wind 10 to 25 kt. Seas 5 to 8 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 3:53 PM AKSTGale WarningAFC36 hr
Mar 5, 3:54 PM AKSTBrisk Wind AdvisoryAFC12 hr
Mar 5, 3:54 PM AKSTSmall Craft AdvisoryAFC60 hr
Mar 5, 3:54 PM AKSTStorm WarningAFC24 hr
Mar 5, 3:54 PM AKSTHeavy Freezing Spray WarningAFC24 hr
Mar 5, 7:02 PM AKSTWinter Weather AdvisoryAFC21 hr
Mar 6, 3:36 AM AKSTGale WarningAFC48 hr
Mar 6, 3:58 AM AKSTGale WarningAFC60 hr
Mar 6, 3:58 AM AKSTSmall Craft AdvisoryAFC4 days

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.