Alert archive / Alaska / Storm Warnings in 2018

Storm Warning 28, NWS Anchorage, AK

February 18, 2018

NWS Anchorage, AK issued this storm warning at Feb 18, 2018, 3:56 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 18, 2018, 3:56 AM AKST (12:56 UTC)
Expired
Feb 20, 2018, 3:53 AM AKST
In force
48 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

963 
FZAK62 PAFC 181256
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
356 AM AKST Sun Feb 18 2018

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.

PKZ499-190230-
356 AM AKST Sun Feb 18 2018
.SYNOPSIS FOR CENTRAL BERING SEA...

A 960 mb low at 46N 171E moves to 57N 173E at 964 mb tonight. The
low then moves over the Gulf of Anadyr Mon night at 970 mb. A 995
mb low forms near 46N 173E Mon night.

$$

PKZ411-190230-
Bering Sea Offshore West of 180 and East of the International
Dateline-
356 AM AKST Sun Feb 18 2018

...STORM WARNING MONDAY...

.TODAY...E wind increasing to 25 to 40 kt. Seas 8 to 11 ft building 
to 11 to 19 ft in the afternoon. Rain.
.TONIGHT...SE wind 20 to 35 kt. Seas 16 to 22 ft. Rain.
.MON...SW wind 40 to 55 kt. Seas 18 to 27 ft building to 24 to 33
ft in the afternoon. Rain showers and snow showers.
.MON NIGHT...SW wind 35 to 50 kt. Seas 18 to 33 ft.
.TUE...E wind 20 to 35 kt. Seas 13 to 21 ft.
.WED...W wind 15 to 30 kt. Seas 5 to 10 ft.
.THU...S wind 10 to 25 kt. Seas 10 to 18 ft.

$$

PKZ412-190230-
Bering Sea Offshore 171W to 180 and North of 56N-
356 AM AKST Sun Feb 18 2018

...STORM WARNING MONDAY...

.TODAY...SW wind 15 to 25 kt becoming SE 30 to 45 kt in the
afternoon. Seas 10 to 16 ft. Rain.
.TONIGHT...SE wind 30 to 45 kt. Seas 15 to 25 ft. Rain.
.MON...S wind 40 to 50 kt. Seas 24 to 31 ft.
.MON NIGHT...SW wind 30 to 45 kt. Seas 22 to 34 ft.
.TUE...S wind 20 to 35 kt. Seas 15 to 23 ft.
.WED...SW wind 15 to 25 kt. Seas 8 to 13 ft.
.THU...S wind 15 to 25 kt. Seas 12 to 20 ft.

$$

PKZ413-190230-
Bering Sea Offshore 171W to 180 and South of 56N-
356 AM AKST Sun Feb 18 2018

...STORM WARNING TODAY AND MONDAY...

.TODAY...SE wind 25 to 40 kt increasing to 35 to 50 kt in the
afternoon. Seas 11 to 19 ft. Rain.
.TONIGHT...S wind 35 to 45 kt. Seas 20 to 26 ft.
.MON...SW wind 35 to 50 kt. Seas 19 to 30 ft.
.MON NIGHT...SW wind 25 to 40 kt. Seas 14 to 27 ft.
.TUE...SE wind 15 to 30 kt. Seas 11 to 17 ft.
.WED...SW wind 15 to 30 kt. Seas 8 to 13 ft.
.THU...S wind 20 to 30 kt. Seas 13 to 21 ft.

$$

PKZ414-190230-
Bering Sea Offshore East of 171W-
356 AM AKST Sun Feb 18 2018

...GALE WARNING THROUGH MONDAY...

.TODAY...S wind 20 to 35 kt. Seas 9 to 13 ft.
.TONIGHT...SE wind 30 to 45 kt. Seas 11 to 19 ft. Rain.
.MON...S wind 25 to 40 kt. Seas 13 to 21 ft.
.MON NIGHT...SW wind 15 to 30 kt. Seas 10 to 18 ft.
.TUE THROUGH THU...S wind 15 to 30 kt. Seas 8 to 16 ft.

$$
4 follow-up statements
563 
FZAK62 PAFC 190015
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
315 PM AKST Sun Feb 18 2018

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.

PKZ499-191345-
315 PM AKST Sun Feb 18 2018
.SYNOPSIS FOR CENTRAL BERING SEA...
A 962 mb low at 50N 174E propels its front across the Bering
through Tue morning. The low moves to 66N 179E at 978 mb Tue
morning. A 992 mb low near 48N 176E on Tue morning moves to 
50N 178E with its front pushed into the Bering for Tue afternoon.

$$

PKZ411-191345-
Bering Sea Offshore West of 180 and East of the International
Dateline-
315 PM AKST Sun Feb 18 2018

...STORM WARNING MONDAY...

.TONIGHT...S wind 25 to 40 kt. Seas 16 to 24 ft. Rain.
.MON...SW wind 35 to 50 kt. Seas 20 to 32 ft. Snow showers and
rain showers.
.MON NIGHT...SW wind 30 to 45 kt. Seas 21 to 33 ft subsiding to
15 to 28 ft after midnight.
.TUE...SE wind 15 to 30 kt. Seas 12 to 20 ft.
.TUE NIGHT...NE wind 20 to 35 kt. Seas 9 to 14 ft.
.WED...NW wind 20 to 35 kt. Seas 4 to 9 ft.
.THU...S wind 10 to 25 kt. Seas 10 to 18 ft.
.FRI...W wind 10 to 25 kt. Seas 11 to 18 ft.

$$

PKZ412-191345-
Bering Sea Offshore 171W to 180 and North of 56N-
315 PM AKST Sun Feb 18 2018

...STORM WARNING MONDAY...

.TONIGHT...SE wind 35 to 45 kt. Seas 16 to 25 ft. Rain.
.MON...S wind 35 to 50 kt. Seas 24 to 32 ft.
.MON NIGHT...SW wind 30 to 45 kt. Seas 21 to 33 ft.
.TUE...S wind 15 to 30 kt. Seas 14 to 22 ft.
.TUE NIGHT...E wind 15 to 30 kt. Seas 13 ft.
.WED THROUGH FRI...SW wind 15 to 25 kt. Seas 11 to 19 ft.

$$

PKZ413-191345-
Bering Sea Offshore 171W to 180 and South of 56N-
315 PM AKST Sun Feb 18 2018

...STORM WARNING MONDAY...

.TONIGHT...S wind 35 to 45 kt. Seas 20 to 27 ft.
.MON...SW wind 35 to 50 kt diminishing to 30 to 40 kt 
in the afternoon. Seas 20 to 31 ft.
.MON NIGHT...SW wind 20 to 35 kt. Seas 16 to 24 ft.
.TUE...E wind 15 to 30 kt. Seas 11 to 15 ft.
.TUE NIGHT...S wind 20 to 30 kt. Seas 11 to 14 ft.
.WED...SW wind 20 to 35 kt. Seas 8 to 13 ft.
.THU...S wind 20 to 30 kt. Seas 13 to 21 ft.
.FRI...SW wind 15 to 30 kt. Seas 12 to 19 ft.

$$

PKZ414-191345-
Bering Sea Offshore East of 171W-
315 PM AKST Sun Feb 18 2018

...GALE WARNING THROUGH MONDAY...

.TONIGHT...SE wind 30 to 45 kt. Seas 11 to 19 ft. Rain.
.MON...S wind 30 to 40 kt becoming SW 20 to 35 kt in the
afternoon. Seas 13 to 21 ft.
.MON NIGHT...SW wind 15 to 30 kt. Seas 11 to 19 ft.
.TUE...SE wind 10 to 25 kt. Seas 9 to 15 ft.
.TUE NIGHT...S wind 20 to 30 kt. Seas 9 to 14 ft.
.WED THROUGH FRI...SW wind 20 to 35 kt. Seas 8 to 16 ft.

$$
570 
FZAK62 PAFC 191305
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
405 AM AKST Mon Feb 19 2018

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.

PKZ499-200230-
405 AM AKST Mon Feb 19 2018
.SYNOPSIS FOR CENTRAL BERING SEA...

A 959 mb low at 57N 173E moves over the Gulf of Anadyr this
evening at 968 mb. The associated front lifts over the central 
Bering Tue afternoon. A 993 mb low at 48N 176E tonight moves to 
54N 179E Tue night at 997 mb while the associated front moves over
the eastern Bering.

$$

PKZ411-200230-
Bering Sea Offshore West of 180 and East of the International
Dateline-
405 AM AKST Mon Feb 19 2018

...STORM WARNING TODAY...

.TODAY...SW wind 40 to 55 kt. Seas 23 to 34 ft. Rain showers and 
snow showers.
.TONIGHT...SW wind 30 to 45 kt. Seas 20 to 32 ft subsiding to 14
to 27 ft after midnight.
.TUE...S wind 15 to 30 kt becoming NE in the afternoon. Seas 12 to
20 ft. Rain.
.TUE NIGHT...N wind 10 to 25 kt. Seas 8 to 12 ft.
.WED...W wind 15 to 30 kt. Seas 6 to 11 ft.
.THU...S wind 15 to 30 kt. Seas 9 to 14 ft.
.FRI...W wind 10 to 25 kt. Seas 8 to 12 ft.

$$

PKZ412-200230-
Bering Sea Offshore 171W to 180 and North of 56N-
405 AM AKST Mon Feb 19 2018

...STORM WARNING TODAY...

.TODAY...S wind 45 TO 55 kt becoming SW in the afternoon. Seas 22 to
32 ft.
.TONIGHT...SW wind 30 to 45 kt. Seas 20 to 33 ft.
.TUE...SE wind 15 to 30 kt. Seas 14 to 22 ft.
.TUE NIGHT...SE wind 10 to 25 kt. Seas 10 to 14 ft.
.WED...W wind 10 to 25 kt. Seas 8 to 13 ft.
.THU...S wind 10 to 25 kt. Seas 7 to 12 ft.
.FRI...SW wind 15 to 30 kt. Seas 8 to 13 ft.

$$

PKZ413-200230-
Bering Sea Offshore 171W to 180 and South of 56N-
405 AM AKST Mon Feb 19 2018

...GALE WARNING THROUGH TONIGHT...

.TODAY...SW wind 35 to 45 kt diminishing to 25 to 40 kt in the
afternoon. Seas 17 to 27 ft.
.TONIGHT...SW wind 20 to 35 kt becoming S 15 to 25 kt after
midnight. Seas 15 to 23 ft.
.TUE...SE wind 15 to 30 kt. Seas 11 to 16 ft. Rain.
.TUE NIGHT...S wind 15 to 30 kt. Seas 11 to 14 ft.
.WED...W wind 15 to 30 kt. Seas 8 to 13 ft.
.THU...SE wind 10 to 25 kt. Seas 7 to 10 ft.
.FRI...W wind 15 to 30 kt. Seas 8 to 13 ft.

$$

PKZ414-200230-
Bering Sea Offshore East of 171W-
405 AM AKST Mon Feb 19 2018

...GALE WARNING TODAY...

.TODAY...S wind 30 to 40 kt becoming SW 20 to 30 kt in the
afternoon. Seas 13 to 21 ft.
.TONIGHT...SW wind 15 to 30 kt. Seas 10 to 16 ft.
.TUE...S wind 10 to 25 kt becoming SE 20 to 30 kt in the
afternoon. Seas 9 to 16 ft. Rain.
.TUE NIGHT...S wind 30 kt. Seas 10 to 15 ft.
.WED THROUGH FRI...S wind 20 to 35 kt. Seas 8 to 13 ft.

$$
305 
FZAK62 PAFC 200008
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
308 PM AKST Mon Feb 19 2018

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.

PKZ499-201530-
308 PM AKST Mon Feb 19 2018
.SYNOPSIS FOR CENTRAL BERING SEA...
A 965 mb Southern Chukotsk low moves to the Chukchi Sea at 981 mb 
with its front pushing into Western Alaska for Tue morning. A 1003
mb North Pacific low drives to 52N 176E at 992 mb Tue morning then
shifts to 64N 172W at 1004 mb Wed afternoon. The associated front
splits the Bering by Wed afternoon.

$$

PKZ411-201530-
Bering Sea Offshore West of 180 and East of the International
Dateline-
308 PM AKST Mon Feb 19 2018

...STORM WARNING TONIGHT...

.TONIGHT...SW wind 35 to 50 kt diminishing to 25 to 40 kt after
midnight. Seas 16 to 31 ft.
.TUE...S wind 15 to 30 kt becoming NE in the afternoon. Seas 11 to
19 ft. Snow.
.TUE NIGHT...N wind 10 to 25 kt. Seas 8 to 12 ft. Snow showers and
rain showers.
.WED...NW wind 10 to 25 kt. Seas 7 to 11 ft.
.WED NIGHT...SW wind 10 to 25 kt. Seas 5 to 9 ft.
.THU...S wind 15 to 30 kt. Seas 9 to 14 ft.
.FRI...W wind 10 to 25 kt. Seas 8 to 12 ft.
.SAT...SE wind 10 to 25 kt. Seas 8 to 11 ft.

$$

PKZ412-201530-
Bering Sea Offshore 171W to 180 and North of 56N-
308 PM AKST Mon Feb 19 2018

...GALE WARNING TONIGHT...

.TONIGHT...SW wind 30 to 45 kt. Seas 20 to 34 ft.
.TUE...SE wind 15 to 30 kt. Seas 13 to 21 ft. Rain.
.TUE NIGHT...S wind 10 to 25 kt. Seas 9 to 13 ft. Snow.
.WED...SW wind 10 to 25 kt. Seas 9 to 13 ft.
.WED NIGHT...W wind 10 to 25 kt. Seas 8 to 13 ft.
.THU...S wind 10 to 25 kt. Seas 7 to 12 ft.
.FRI THROUGH SAT...SW wind 15 to 30 kt. Seas 9 to 17 ft.

$$

PKZ413-201530-
Bering Sea Offshore 171W to 180 and South of 56N-
308 PM AKST Mon Feb 19 2018

...GALE WARNING TONIGHT...

.TONIGHT...SW wind 20 to 35 kt becoming S 15 to 25 kt after
midnight. Seas 16 to 24 ft.
.TUE...SE wind 15 to 30 kt. Seas 11 to 15 ft. Rain.
.TUE NIGHT...S wind 15 to 30 kt. Seas 10 to 13 ft.
.WED...SW wind 15 to 30 kt. Seas 11 to 16 ft.
.WED NIGHT...W wind 15 to 30 kt. Seas 8 to 16 ft.
.THU...S wind 10 to 25 kt. Seas 6 to 10 ft.
.FRI...W wind 15 to 30 kt. Seas 8 to 13 ft.
.SAT...S wind 15 to 30 kt. Seas 9 to 14 ft.

$$

PKZ414-201530-
Bering Sea Offshore East of 171W-
308 PM AKST Mon Feb 19 2018

.TONIGHT...SW wind 15 to 30 kt. Seas 10 to 16 ft.
.TUE...SE wind up to 20 kt increasing to 15 to 30 kt in the
afternoon. Seas 9 to 16 ft.
.TUE NIGHT...S wind 30 kt. Seas 9 to 13 ft.
.WED...S wind 20 to 30 kt. Seas 10 to 14 ft.
.WED NIGHT...SW wind 20 to 30 kt. Seas 10 to 17 ft.
.THU...SW wind 15 to 30 kt. Seas 7 to 12 ft.
.FRI...S wind 15 to 25 kt. Seas 7 to 12 ft.
.SAT...W wind 15 to 30 kt. Seas 11 to 16 ft.

$$
107 
FZAK62 PAFC 201253
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
353 AM AKST Tue Feb 20 2018

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.

PKZ499-210230-
353 AM AKST Tue Feb 20 2018
.SYNOPSIS FOR CENTRAL BERING SEA...

A front in the central Bering moves inland tonight. A 995 mb low
at 45N 171E moves to 55N 178E at 998 mb tonight. The low then exits
to the north at 999 mb Wed night while the associated front 
remains in the central Bering. Another front approaches the
western Aleutians Wed night.

$$

PKZ411-210230-
Bering Sea Offshore West of 180 and East of the International
Dateline-
353 AM AKST Tue Feb 20 2018

.TODAY...Variable wind 20 kt early becoming E wind 15 to 30 kt. Seas
11 to 19 ft. Rain and snow.
.TONIGHT...NE wind 15 to 30 kt. Seas 8 to 12 ft. Rain showers and
snow showers.
.WED...NW wind 15 to 30 kt. Seas 7 to 11 ft.
.WED NIGHT...SW wind 15 to 30 kt. Seas 5 to 9 ft.
.THU THROUGH FRI...S wind 10 to 25 kt. Seas 9 to 17 ft.
.SAT...SW wind 15 to 30 kt. Seas 14 to 22 ft.

$$

PKZ412-210230-
Bering Sea Offshore 171W to 180 and North of 56N-
353 AM AKST Tue Feb 20 2018

...GALE WARNING WEDNESDAY...

.TODAY...S to E wind 15 to 30 kt. Seas 13 to 21 ft. Rain and snow.
.TONIGHT...S wind 20 to 30 kt. Seas 9 to 13 ft. Rain and snow.
.WED...SW wind 20 to 35 kt. Seas 9 to 13 ft.
.WED NIGHT...W wind 15 to 30 kt. Seas 9 to 13 ft.
.THU THROUGH FRI...SE wind 15 to 30 kt. Seas 9 to 14 ft.
.SAT...SW wind 15 to 25 kt. Seas 13 to 20 ft.

$$

PKZ413-210230-
Bering Sea Offshore 171W to 180 and South of 56N-
353 AM AKST Tue Feb 20 2018

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...S to E wind 15 to 30 kt. Seas 11 to 15 ft. Rain and snow.
.TONIGHT...S wind 20 to 30 kt increasing to 25 to 40 kt after
midnight. Seas 10 to 13 ft. Rain showers.
.WED...SW wind 25 to 40 kt. Seas 11 to 16 ft.
.WED NIGHT...W wind 15 to 30 kt. Seas 8 to 16 ft.
.THU THROUGH FRI...S wind 15 to 30 kt. Seas 9 to 17 ft.
.SAT...SW wind 15 to 30 kt. Seas 13 to 19 ft.

$$

PKZ414-210230-
Bering Sea Offshore East of 171W-
353 AM AKST Tue Feb 20 2018

...GALE WARNING WEDNESDAY...

.TODAY...S to E wind 15 to 30 kt. Seas 9 to 16 ft. Rain and snow.
.TONIGHT...S wind 30 kt. Seas 9 to 13 ft.
.WED...S wind 25 to 35 kt. Seas 10 to 14 ft.
.WED NIGHT...SW wind 20 to 35 kt. Seas 10 to 17 ft.
.THU...SW wind 10 to 25 kt. Seas 7 to 12 ft.
.FRI...SE wind 10 to 25 kt. Seas 7 to 12 ft.
.SAT...W wind 10 to 25 kt. Seas 9 to 14 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 3:28 PM AKSTGale WarningAFC48 hr
Feb 17, 3:39 PM AKSTGale WarningAFC47 hr
Feb 17, 3:39 PM AKSTStorm WarningAFC24 hr
Feb 18, 3:34 AM AKSTSmall Craft AdvisoryAFC60 hr
Feb 18, 3:52 AM AKSTSmall Craft AdvisoryAFC4 days
Feb 18, 3:52 AM AKSTStorm WarningAFC48 hr
Feb 18, 10:59 AM AKSTHigh Wind WarningAFC17 hr

Nearby

Storm Warnings in Alaska, 2018Every storm warning in 2018

Sources

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