Alert archive / Alaska / Storm Warnings in 2017

Storm Warning 159, NWS Anchorage, AK

December 16, 2017

NWS Anchorage, AK issued this storm warning at Dec 16, 2017, 3:02 PM AKST. It was in force for 49 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 16, 2017, 3:02 PM AKST (00:02 UTC)
Expired
Dec 18, 2017, 3:36 PM AKST
In force
49 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

120 
FZAK62 PAFC 170002
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
302 PM AKST Sat Dec 16 2017

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.

PKZ499-171415-
302 PM AKST Sat Dec 16 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

A 977 mb low at 59N 166W becomes a 986 mb low near 57N 156W tonight 
and continues across the Gulf of Alaska for Mon afternoon. The 
associated front moves into the Eastern Bering Sun evening. A 985 mb 
Kamchatka low deepens to 949 mb Mon morning. Its associated front 
moves across the Bering and Aleutians by Mon afternoon.

$$

PKZ411-171415-
Bering Sea Offshore West of 180 and East of the International
Dateline-
302 PM AKST Sat Dec 16 2017

...STORM WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...SW wind 15 to 25 kt becoming S 25 to 40 kt after
midnight. Seas 8 to 13 ft.
.SUN...S wind 35 to 50 kt. Seas 11 to 19 ft building to 17 to 29
ft in the afternoon. Rain and snow.
.SUN NIGHT...SW wind 35 to 50 kt diminishing to 30 to 40 kt after
midnight. Seas 20 to 30 ft. Rain and snow showers.
.MON...SW wind 40 kt. Seas 22 to 29 ft.
.MON NIGHT...SW wind 35 to 45 kt. Seas 28 to 32 ft.
.TUE...W wind 25 to 40 kt. Seas 15 to 30 ft.
.WED THROUGH THU...W wind 10 to 25 kt. Seas 9 to 14 ft.

$$

PKZ412-171415-
Bering Sea Offshore 171W to 180 and North of 56N-
302 PM AKST Sat Dec 16 2017

...STORM WARNING SUNDAY NIGHT...

.TONIGHT...W wind 20 to 35 kt. Seas 9 to 17 ft.
.SUN...SW wind 15 to 30 kt becoming S 30 to 45 kt in the
afternoon. Seas 7 to 11 ft building to 9 to 17 ft in the afternoon. 
Snow and rain.
.SUN NIGHT...S wind 35 to 50 kt. Seas 13 to 28 ft building to 24
to 30 ft after midnight. Rain.
.MON...SW wind 25 to 40 kt. Seas 21 to 28 ft.
.MON NIGHT...SW wind 30 to 40 kt. Seas 20 to 30 ft.
.TUE...SW wind 25 to 40 kt. Seas 17 to 31 ft.
.WED...S wind up to 20 kt. Seas 8 to 13 ft.
.THU...W wind 10 to 25 kt. Seas 11 to 17 ft.

$$

PKZ413-171415-
Bering Sea Offshore 171W to 180 and South of 56N-
302 PM AKST Sat Dec 16 2017

...STORM WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...W wind 20 to 35 kt. Seas 10 to 17 ft.
.SUN...S wind 25 to 40 kt increasing to 35 to 50 kt in the
afternoon. Seas 12 to 20 ft. Rain.
.SUN NIGHT...S wind 40 to 55 kt. Seas 16 to 31 ft. Rain.
.MON...SW wind 30 to 45 kt. Seas 18 to 27 ft.
.MON NIGHT...SW wind 30 to 40 kt. Seas 18 to 29 ft.
.TUE...SW wind 20 to 35 kt. Seas 14 to 28 ft.
.WED...S wind 10 to 25 kt. Seas 9 to 17 ft.
.THU...W wind 15 to 30 kt. Seas 13 to 20 ft.

$$

PKZ414-171415-
Bering Sea Offshore East of 171W-
302 PM AKST Sat Dec 16 2017

...STORM WARNING SUNDAY NIGHT...

.TONIGHT...NW wind 30 to 40 kt. Seas 12 to 20 ft.
.SUN...W wind 20 to 35 kt. Seas 10 to 18 ft.
.SUN NIGHT...S wind 25 to 40 kt increasing to 35 to 50 kt after
midnight. Seas 8 to 13 ft building to 11 to 19 ft after midnight.
Rain.
.MON...S wind 35 to 50 kt. Seas 13 to 28 ft.
.MON NIGHT...SW wind 20 to 35 kt. Seas 13 to 21 ft.
.TUE THROUGH THU...S wind 20 to 35 kt. Seas 12 to 20 ft.

$$
4 follow-up statements
458 
FZAK62 PAFC 171245
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
345 AM AKST Sun Dec 17 2017

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.

PKZ499-180215-
345 AM AKST Sun Dec 17 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

A 991 mb low at 57N 160W will enter the western Gulf this
afternoon. A 973 mb Kamchatka low will move to 53N 170E this 
afternoon, then move to 57N 171E at 952 mb Mon night, then to the 
northern Bering Tue morning. The associated strong front over the 
western Aleutians will move over the eastern Aleutians by Mon 
morning. 

$$

PKZ411-180215-
Bering Sea Offshore West of 180 and East of the International
Dateline-
345 AM AKST Sun Dec 17 2017

...STORM WARNING THROUGH TONIGHT...

.TODAY...S wind 30 to 45 kt increasing to 40 to 55 kt in the afternoon.
Seas 11 to 19 ft building to 17 to 29 ft in the afternoon. Rain and snow.
.TONIGHT...SW wind 35 to 50 kt becoming 40 kt after midnight. Seas 21
to 31 ft. Snow showers and rain.
.MON...SW wind 35 to 45 kt. Seas 22 to 29 ft. Snow showers.
.MON NIGHT...SW wind 45 kt. Seas 28 to 36 ft.
.TUE...SW wind 30 to 45 kt. Seas 16 to 31 ft.
.WED THROUGH THU...W wind 15 to 30 kt. Seas 11 to 19 ft.

$$

PKZ412-180215-
Bering Sea Offshore 171W to 180 and North of 56N-
345 AM AKST Sun Dec 17 2017

...STORM WARNING THROUGH TONIGHT...

.TODAY...SW wind 20 to 35 kt becoming S 35 to 50 kt in the afternoon.
Seas 8 to 11 ft building to 14 to 24 ft in the afternoon. Snow and rain.
.TONIGHT...S wind 40 to 55 kt. Seas 16 to 30 ft. Rain.
.MON...SW wind 30 to 45 kt. Seas 22 to 30 ft. Rain with snow showers.
.MON NIGHT...SW wind 30 to 45 kt. Seas 21 to 33 ft.
.TUE...SW wind 30 to 45 kt. Seas 20 to 35 ft.
.WED...S wind 15 to 30 kt. Seas 14 to 29 ft.
.THU...NW wind up to 20 kt. Seas 10 to 18 ft.

$$

PKZ413-180215-
Bering Sea Offshore 171W to 180 and South of 56N-
345 AM AKST Sun Dec 17 2017

...STORM WARNING THROUGH MONDAY...

.TODAY...S wind 30 to 45 kt increasing to 40 to 55 kt in the afternoon.
Seas 15 to 21 ft. Rain and snow.
.TONIGHT...S wind 40 to 55 kt. Seas 18 to 31 ft. Rain.
.MON...SW wind 35 to 50 kt diminishing to 30 to 40 kt in the afternoon.
Seas 19 to 28 ft. Rain with snow showers.
.MON NIGHT...SW wind 40 kt. Seas 19 to 31 ft.
.TUE THROUGH WED...S wind 25 to 40 kt. Seas 17 to 32 ft.
.THU...NW wind 10 to 20 kt. Seas 9 to 14 ft.

$$

PKZ414-180215-
Bering Sea Offshore East of 171W-
345 AM AKST Sun Dec 17 2017

...STORM WARNING TONIGHT AND MONDAY...

.TODAY...NW wind 25 to 40 kt becoming W 15 to 30 kt in the afternoon.
Seas 10 to 18 ft.
.TONIGHT...S wind 25 to 40 kt increasing to 35 to 50 kt after midnight.
Seas 11 to 19 ft.
.MON...S wind 35 to 50 kt. Seas 17 to 28 ft. Rain and snow.
.MON NIGHT...SW wind 25 to 40 kt. Seas 14 to 22 ft.
.TUE THROUGH WED...S wind 20 to 35 kt. Seas 14 to 26 ft.
.THU...SE wind 15 to 30 kt. Seas 10 to 18 ft.

$$
661 
FZAK62 PAFC 172342
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
242 PM AKST Sun Dec 17 2017

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.

PKZ499-181400-
242 PM AKST Sun Dec 17 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

A 961 mb low at 56N 171E deepens to 945 mb near 59N 170E Mon
morning then shifts to 64N 173W at 969 mb for Tue afternoon. The 
associated fronts sweep the Bering and Aleutians through Tue 
afternoon. A 983 mb low moves to 49N 166E by Tue afternoon. 

$$

PKZ411-181400-
Bering Sea Offshore West of 180 and East of the International
Dateline-
242 PM AKST Sun Dec 17 2017

...STORM WARNING TONIGHT...

.TONIGHT...SW wind 35 to 50 kt diminishing to 30 to 40 kt after
midnight. Seas 21 to 30 ft. Rain and snow showers.
.MON...SW wind 35 to 45 kt. Seas 23 to 27 ft. Snow showers and
rain showers.
.MON NIGHT...W wind 35 to 45 kt. Seas 27 to 35 ft. Snow showers.
.TUE...W wind 30 to 45 kt. Seas 19 to 34 ft.
.TUE NIGHT...SW wind 25 to 40 kt. Seas 16 to 24 ft.
.WED...W wind 25 to 40 kt. Seas 13 to 28 ft.
.THU THROUGH FRI...W wind 20 kt. Seas 7 to 12 ft.

$$

PKZ412-181400-
Bering Sea Offshore 171W to 180 and North of 56N-
242 PM AKST Sun Dec 17 2017

...STORM WARNING TONIGHT...

.TONIGHT...S wind 35 to 50 kt. Seas 16 to 24 ft building to 22 to
29 ft after midnight. Rain.
.MON...SW wind 30 to 45 kt. Seas 22 to 29 ft. Rain.
.MON NIGHT...SW wind 30 to 45 kt. Seas 21 to 32 ft. Snow showers.
.TUE...SW wind 35 to 45 kt. Seas 27 to 35 ft.
.TUE NIGHT...SW wind 25 to 40 kt. Seas 19 to 28 ft.
.WED...S wind 25 to 40 kt. Seas 17 to 32 ft.
.THU...NW wind up to 20 kt. Seas 10 to 18 ft.
.FRI...W wind 15 kt. Seas 7 to 10 ft.

$$

PKZ413-181400-
Bering Sea Offshore 171W to 180 and South of 56N-
242 PM AKST Sun Dec 17 2017

...STORM WARNING THROUGH MONDAY...

.TONIGHT...S wind 40 to 55 kt. Seas 15 to 30 ft. Rain.
.MON...SW wind 35 to 50 kt diminishing to 25 to 40 kt in the
afternoon. Seas 18 to 28 ft. Rain.
.MON NIGHT...SW wind 30 to 40 kt. Seas 19 to 30 ft. Snow showers.
.TUE...W wind 30 to 40 kt. Seas 24 to 30 ft.
.TUE NIGHT...SW wind 30 to 45 kt. Seas 19 to 26 ft.
.WED...S wind 30 to 45 kt. Seas 16 to 31 ft.
.THU THROUGH FRI...W wind 10 to 20 kt. Seas 9 to 14 ft.

$$

PKZ414-181400-
Bering Sea Offshore East of 171W-
242 PM AKST Sun Dec 17 2017

...STORM WARNING THROUGH MONDAY...

.TONIGHT...S wind 25 to 40 kt increasing to 35 to 50 kt after
midnight. Seas 8 to 12 ft building to 11 to 19 ft after midnight.
Rain.
.MON...S wind 35 to 50 kt. Seas 16 to 26 ft. Rain.
.MON NIGHT...SW wind 25 to 40 kt. Seas 14 to 22 ft.  and rain.
.TUE...SW wind 30 to 40 kt. Seas 15 to 25 ft.
.TUE NIGHT...SW wind 20 to 30 kt. Seas 16 to 24 ft.
.WED THROUGH THU...SE wind 20 to 35 kt. Seas 13 to 21 ft.
.FRI...S wind up to 15 kt. Seas 8 to 11 ft.

$$
482 
FZAK62 PAFC 181226
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
326 AM AKST Mon Dec 18 2017

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.

PKZ499-190200-
326 AM AKST Mon Dec 18 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

A 946 mb low at 58N 170E will move to the northern Bering Tue
morning. An associated strong front in the central Aleutians will
move over the eastern Aleutians and dissipate by Tue afternoon. A
988 mb low will move to 52N 167E Tue morning, then move to 56N 176E 
at 976 mb Wed morning. 

$$

PKZ411-190200-
Bering Sea Offshore West of 180 and East of the International
Dateline-
326 AM AKST Mon Dec 18 2017

...GALE WARNING THROUGH TUESDAY...

.TODAY...SW wind 35 to 45 kt. Seas 23 to 30 ft. Snow showers and 
rain showers.
.TONIGHT...W wind 35 to 45 kt. Seas 27 to 35 ft. Snow showers.
.TUE...W wind 35 to 45 kt becoming SW 25 to 35 kt in the
afternoon. Seas 26 to 34 ft subsiding to 19 to 27 ft in the 
afternoon. Snow.
.TUE NIGHT...SW wind 25 to 40 kt. Seas 16 to 24 ft.
.WED...W wind 25 to 40 kt. Seas 13 to 28 ft.
.THU THROUGH FRI...NW wind up to 20 kt. Seas 8 to 16 ft.

$$

PKZ412-190200-
Bering Sea Offshore 171W to 180 and North of 56N-
326 AM AKST Mon Dec 18 2017

...GALE WARNING THROUGH TUESDAY...

.TODAY...SW wind 30 to 45 kt. Seas 24 to 30 ft. Rain with snow
showers.
.TONIGHT...SW wind 30 to 45 kt. Seas 21 to 32 ft. Snow showers.
.TUE...SW wind 35 to 45 kt. Seas 27 to 35 ft. Snow showers.
.TUE NIGHT...SW wind 25 to 40 kt. Seas 19 to 28 ft.
.WED...S wind 25 to 40 kt. Seas 18 to 33 ft.
.THU THROUGH FRI...W wind 10 to 25 kt. Seas 11 to 19 ft.

$$

PKZ413-190200-
Bering Sea Offshore 171W to 180 and South of 56N-
326 AM AKST Mon Dec 18 2017

...STORM WARNING TODAY...

.TODAY...SW wind 35 to 50 kt diminishing to 25 to 40 kt in the
afternoon. Seas 18 to 28 ft. Snow showers and rain.
.TONIGHT...SW wind 30 to 40 kt. Seas 19 to 30 ft. Snow showers.
.TUE...W wind 40 kt. Seas 24 to 30 ft.
.TUE NIGHT...SW wind 30 to 45 kt. Seas 19 to 26 ft.
.WED...SW wind 30 to 45 kt. Seas 14 to 29 ft.
.THU THROUGH FRI...W wind 10 to 25 kt. Seas 9 to 17 ft.

$$

PKZ414-190200-
Bering Sea Offshore East of 171W-
326 AM AKST Mon Dec 18 2017

...STORM WARNING TODAY...

.TODAY...S wind 35 to 50 kt. Seas 16 to 26 ft. Rain.
.TONIGHT...SW wind 25 to 40 kt. Seas 14 to 22 ft. Snow and rain.
.TUE...SW wind 30 to 40 kt. Seas 15 to 25 ft.
.TUE NIGHT...SW wind 20 to 30 kt. Seas 16 to 24 ft.
.WED...S wind 20 to 35 kt. Seas 14 to 29 ft.
.THU...SE wind 15 to 30 kt. Seas 12 to 20 ft.
.FRI...S wind 15 to 30 kt. Seas 10 to 17 ft.

$$
122 
FZAK62 PAFC 190036
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
336 PM AKST Mon Dec 18 2017

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.

PKZ499-191415-
336 PM AKST Mon Dec 18 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
A 946 mb low at 59N 172E sweeps into the Chukchi Sea for Wed 
morning. The associated front moves into Mainland Alaska Tue 
morning. A pair of North Pacific lows merge near 53N 179E at 984 
mb Wed morning and shifts to 60N 176W at 969 mb Wed afternoon. Its
associated front moves to the Central Aleutians by Wed afternoon.

$$

PKZ411-191415-
Bering Sea Offshore West of 180 and East of the International
Dateline-
336 PM AKST Mon Dec 18 2017

...GALE WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...SW wind 45 kt. Seas 28 to 35 ft. Snow showers.
.TUE...W wind 30 to 45 kt becoming SW 20 to 35 kt in the
afternoon. Seas 25 to 35 ft subsiding to 17 to 27 ft in the 
afternoon.
.TUE NIGHT...W wind 25 to 40 kt becoming NW 15 to 30 kt after
midnight. Seas 15 to 23 ft.  and rain showers.
.WED...NW wind 20 to 35 kt. Seas 11 to 19 ft.
.WED NIGHT...N wind 10 to 25 kt. Seas 9 to 14 ft.
.THU THROUGH SAT...NW wind 15 to 30 kt. Seas 8 to 16 ft.

$$

PKZ412-191415-
Bering Sea Offshore 171W to 180 and North of 56N-
336 PM AKST Mon Dec 18 2017

...STORM WARNING TUESDAY NIGHT...

.TONIGHT...SW wind 30 to 45 kt. Seas 22 to 32 ft. Snow showers.
.TUE...SW wind 35 to 45 kt. Seas 27 to 33 ft.
.TUE NIGHT...SW wind 35 to 50 kt. Seas 18 to 30 ft. Rain showers.
.WED...SW wind 45 to 60 kt. Seas 20 to 35 ft.
.WED NIGHT...W wind 10 to 25 kt. Seas 15 to 23 ft.
.THU...NE wind 25 to 40 kt. Seas 10 to 18 ft.
.FRI THROUGH SAT...NW wind 10 to 25 kt. Seas 11 to 19 ft.

$$

PKZ413-191415-
Bering Sea Offshore 171W to 180 and South of 56N-
336 PM AKST Mon Dec 18 2017

...STORM WARNING TUESDAY NIGHT...

.TONIGHT...SW wind 30 to 40 kt. Seas 19 to 29 ft. Snow showers.
.TUE...SW wind 40 kt. Seas 23 to 29 ft.
.TUE NIGHT...S wind 35 to 50 kt. Seas 22 to 30 ft.
.WED...SW wind 45 to 60 kt. Seas 16 to 31 ft.
.WED NIGHT...S wind 25 to 40 kt. Seas 13 to 21 ft.
.THU...N wind 25 to 40 kt. Seas 9 to 17 ft.
.FRI THROUGH SAT...NW wind 15 to 25 kt. Seas 9 to 17 ft.

$$

PKZ414-191415-
Bering Sea Offshore East of 171W-
336 PM AKST Mon Dec 18 2017

...GALE WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...SW wind 25 to 40 kt. Seas 14 to 22 ft.
.TUE...SW wind 35 kt. Seas 15 to 25 ft.
.TUE NIGHT...SW wind 30 kt becoming 25 to 40 kt after midnight.
Seas
17 to 24 ft.
.WED...S wind 35 to 50 kt. Seas 16 to 28 ft.
.WED NIGHT...SE wind 30 to 45 kt. Seas 16 to 26 ft.
.THU...SE wind 20 to 35 kt. Seas 11 to 19 ft.
.FRI...S wind 15 to 30 kt. Seas 10 to 17 ft.
.SAT...E wind up to 15 kt. Seas 9 to 14 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 16, 3:12 PM AKSTGale WarningAFC4 days
Dec 16, 3:12 PM AKSTStorm WarningAFC4 days
Dec 16, 3:42 PM AKSTSmall Craft AdvisoryAFC36 hr
Dec 17, 3:45 AM AKSTGale WarningAFC48 hr
Dec 17, 3:45 AM AKSTStorm WarningAFC36 hr
Dec 17, 3:54 AM AKSTHigh Wind WarningAFC23 hr
Dec 17, 5:40 AM AKSTDense Fog AdvisoryAFC4 hr
Dec 17, 2:53 PM AKSTGale WarningAFC37 hr

Nearby

Storm Warnings in Alaska, 2017Every storm warning in 2017

Sources

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