Alert archive / Alaska / Storm Warnings in 2017

Storm Warning 101, NWS Anchorage, AK

October 23, 2017

NWS Anchorage, AK issued this storm warning at Oct 23, 2017, 3:51 AM AKDT. It was in force for 36 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
Oct 23, 2017, 3:51 AM AKDT (11:51 UTC)
Expired
Oct 24, 2017, 3:46 PM AKDT
In force
36 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

576 
FZAK62 PAFC 231151
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
351 AM AKDT Mon Oct 23 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.

PKZ499-240145-
351 AM AKDT Mon Oct 23 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
A 1002 mb low at 61N 166W remains nearly stationary and dissipates
Mon evening. A 979 mb low at 51N 162E moves to 54N 167E at 935 mb
Mon evening. The low then moves to 52N 177W at 952 mb Tue night.

$$

PKZ411-240145-
Bering Sea Offshore West of 180 and East of the International
Dateline-
351 AM AKDT Mon Oct 23 2017

...STORM WARNING THROUGH TUESDAY...

.TODAY...SE wind 15 to 30 kt increasing to 35 to 50 kt in the
afternoon. Seas 7 ft building to 8 to 17 ft in the afternoon.
Snow and rain.
.TONIGHT...SE wind 45 to 60 kt. Seas 14 to 22 ft building to
22 to 32 ft after midnight. Rain.
.TUE...E wind 45 to 60 kt. S of 56N...SW wind 25 to 35 kt. 
Seas 21 to 36 ft. Rain.
.TUE NIGHT...NE wind 35 to 50 kt. Seas 25 to 37 ft.
.WED...N wind 25 to 40 kt. Seas 16 to 31 ft.
.THU...N wind up to 20 kt. Seas 8 to 16 ft.
.FRI...NW wind 20 kt. Seas 10 to 13 ft.

$$

PKZ412-240145-
Bering Sea Offshore 171W to 180 and North of 56N-
351 AM AKDT Mon Oct 23 2017

...STORM WARNING TONIGHT AND TUESDAY...

.TODAY...N wind 10 to 20 kt. Seas 8 to 11 ft.
.TONIGHT...E wind 15 to 30 kt becoming SE 35 to 50 kt after
midnight. Seas 6 ft building to 8 to 13 ft after midnight. Rain.
.TUE...E wind 45 to 60 kt. Seas 15 to 30 ft. Rain and snow.
.TUE NIGHT...SE wind 35 to 50 kt. Seas 18 to 30 ft.
.WED...NE wind 25 to 40 kt. Seas 14 to 29 ft.
.THU THROUGH FRI...W wind 10 to 25 kt. Seas 9 to 14 ft.

$$

PKZ413-240145-
Bering Sea Offshore 171W to 180 and South of 56N-
351 AM AKDT Mon Oct 23 2017

...STORM WARNING TONIGHT AND TUESDAY...

.TODAY...NW wind up to 20 kt becoming S 10 to 25 kt in the
afternoon. Seas 9 ft. Rain.
.TONIGHT...SE wind 30 to 45 kt increasing to 40 to 55 kt after
midnight. Seas 10 to 18 ft. Rain.
.TUE...SE wind 40 to 55 kt becoming SW 25 to 40 kt in the
afternoon. Seas 18 to 26 ft. Rain.
.TUE NIGHT...S wind 15 to 30 kt. Seas 19 to 24 ft.
.WED...N wind 20 to 35 kt. Seas 14 to 22 ft.
.THU THROUGH FRI...W wind 15 to 30 kt. Seas 10 to 16 ft.

$$

PKZ414-240145-
Bering Sea Offshore East of 171W-
351 AM AKDT Mon Oct 23 2017

...STORM WARNING TUESDAY...

.TODAY...W wind 15 kt. Seas 6 ft.
.TONIGHT...W wind up to 15 kt becoming S 15 to 30 kt after
midnight. Seas 6 ft.
.TUE...SE wind 35 to 50 kt. Seas 7 to 12 ft building to
11 to 19 ft in the afternoon. Rain and snow.
.TUE NIGHT...S wind 30 to 45 kt. Seas 13 to 20 ft.
.WED...SE wind 15 to 30 kt. Seas 11 to 19 ft.
.THU THROUGH FRI...SW wind 15 to 30 kt. Seas 7 to 12 ft.

$$
4 follow-up statements
949 
FZAK62 PAFC 232330
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
330 PM AKDT Mon Oct 23 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.

PKZ499-241315-
330 PM AKDT Mon Oct 23 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

A 1003 mb low at 49N 157W will move into the western Gulf by Tue 
morning. A 953 mb low at 54N 165E will move to 52N 172E at 935 mb 
by Tue afternoon.Then it will move to 53N 171W at 965 mb by Wed 
afternoon.

$$

PKZ411-241315-
Bering Sea Offshore West of 180 and East of the International
Dateline-
330 PM AKDT Mon Oct 23 2017

...STORM WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...SE wind 45 to 60 kt. Seas 15 to 30 ft. Rain.
.TUE...E wind 45 to 60 kt. Seas 21 to 36 ft. Rain.
.TUE NIGHT...NE wind 40 to 55 kt. Seas 25 to 39 ft.
.WED...N wind 30 to 45 kt. Seas 22 to 31 ft.
.WED NIGHT...N wind 20 to 35 kt. Seas 15 to 23 ft.
.THU...NE wind up to 20 kt. Seas 9 to 14 ft.
.FRI THROUGH SAT...N wind 10 to 20 kt. Seas 8 to 13 ft.

$$

PKZ412-241315-
Bering Sea Offshore 171W to 180 and North of 56N-
330 PM AKDT Mon Oct 23 2017

...STORM WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...E wind 15 to 30 kt becoming SE 35 to 50 kt after
midnight. Seas 6 ft building to 8 to 13 ft after midnight. Rain.
.TUE...E wind 45 to 60 kt. Seas 15 to 30 ft. Rain and snow.
.TUE NIGHT...SE wind 40 to 55 kt diminishing to 30 to 45 kt after
midnight. Seas 19 to 30 ft. Rain.
.WED...NE wind 15 to 30 kt. Seas 17 to 28 ft.
.WED NIGHT...N wind 15 to 30 kt. Seas 12 to 19 ft.
.THU...NW wind 10 to 25 kt. Seas 10 to 14 ft.
.FRI THROUGH SAT...W wind up to 20 kt. Seas 7 to 12 ft.

$$

PKZ413-241315-
Bering Sea Offshore 171W to 180 and South of 56N-
330 PM AKDT Mon Oct 23 2017

...STORM WARNING THROUGH TUESDAY...

.TONIGHT...SE wind 30 to 45 kt increasing to 40 to 55 kt after
midnight. Seas 10 to 18 ft. Rain.
.TUE...SE wind 40 to 55 kt becoming SW 25 to 40 kt in the
afternoon. Seas 19 to 25 ft. Rain.
.TUE NIGHT...SE wind 15 to 30 kt. Seas 20 to 24 ft.
.WED...NE wind 15 to 30 kt. Seas 15 to 23 ft.
.WED NIGHT...NW wind 15 to 30 kt. Seas 12 to 18 ft.
.THU THROUGH SAT...SW wind 10 to 25 kt. Seas 8 to 13 ft.

$$

PKZ414-241315-
Bering Sea Offshore East of 171W-
330 PM AKDT Mon Oct 23 2017

...STORM WARNING TUESDAY...

.TONIGHT...W wind up to 15 kt becoming S 15 to 30 kt after
midnight. Seas 4 to 7 ft. Rain.
.TUE...SE wind 35 to 50 kt. Seas 7 to 12 ft building to 11 to 19
ft in the afternoon. Rain and snow.
.TUE NIGHT...S wind 30 to 45 kt diminishing to 25 kt after
midnight. Seas 12 to 19 ft. Rain.
.WED...SE wind 15 to 30 kt. Seas 12 to 19 ft.
.WED NIGHT...E wind 15 to 30 kt. Seas 11 to 17 ft.
.THU...W wind 10 to 25 kt. Seas 7 to 11 ft.
.FRI THROUGH SAT...S wind 15 to 25 kt. Seas 7 to 12 ft.

$$
207 
FZAK62 PAFC 241158
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
358 AM AKDT Tue Oct 24 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.

PKZ499-250045-
358 AM AKDT Tue Oct 24 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

A 934 mb low at 54N 168E Tue morning will move to 52N 176W by Wed 
morning, then moves to 56N 165W Thu morning. A strong front will 
cross the Alaska Peninsula and western Gulf during this time.

$$

PKZ411-250045-
Bering Sea Offshore West of 180 and East of the International
Dateline-
358 AM AKDT Tue Oct 24 2017

...STORM WARNING THROUGH TONIGHT...

.TODAY...E wind 45 to 60 kt. Seas 22 to 37 ft. Rain.
.TONIGHT...NE wind 40 to 55 kt. Seas 24 to 38 ft.
.WED...N wind 30 to 45 kt. Seas 22 to 31 ft.
.WED NIGHT...N wind 20 to 35 kt. Seas 16 to 24 ft.
.THU...NE wind 10 to 25 kt. Seas 9 to 14 ft.
.FRI THROUGH SAT...N wind 10 to 20 kt. Seas 7 to 12 ft.

$$

PKZ412-250045-
Bering Sea Offshore 171W to 180 and North of 56N-
358 AM AKDT Tue Oct 24 2017

...STORM WARNING THROUGH TONIGHT...

.TODAY...E wind 45 to 60 kt. Seas 15 to 30 ft. Rain and snow.
.TONIGHT...SE wind 40 to 55 kt diminishing to 30 to 45 kt after
midnight. Seas 19 to 30 ft. Rain.
.WED...NE wind 15 to 30 kt. Seas 17 to 26 ft.
.WED NIGHT...N wind 15 to 30 kt. Seas 12 to 20 ft.
.THU...NW wind 10 to 25 kt. Seas 8 to 13 ft.
.FRI...W wind up to 20 kt. Seas 4 to 9 ft.
.SAT...N wind up to 15 kt. Seas 5 to 8 ft.

$$

PKZ413-250045-
Bering Sea Offshore 171W to 180 and South of 56N-
358 AM AKDT Tue Oct 24 2017

...STORM WARNING TODAY...

.TODAY...SE wind 40 to 55 kt becoming SW 25 to 40 kt in the
afternoon. Seas 19 to 26 ft. Rain.
.TONIGHT...SE wind 15 to 30 kt. Seas 19 to 25 ft.
.WED...N wind 15 to 30 kt. Seas 15 to 22 ft.
.WED NIGHT...NW wind 15 to 30 kt. Seas 13 to 20 ft.
.THU THROUGH FRI...W wind 15 to 30 kt. Seas 8 to 13 ft.
.SAT...NW wind up to 15 kt. Seas 4 to 9 ft.

$$

PKZ414-250045-
Bering Sea Offshore East of 171W-
358 AM AKDT Tue Oct 24 2017

...STORM WARNING TODAY...

.TODAY...SE wind 35 to 50 kt. Seas 10 to 18 ft. Rain.
.TONIGHT...S wind 30 to 45 kt diminishing to 25 kt after midnight.
Seas 13 to 19 ft. Rain.
.WED...SE wind 15 to 30 kt. Seas 12 to 20 ft.
.WED NIGHT...E wind 15 to 30 kt. Seas 10 to 18 ft.
.THU...W wind 10 to 25 kt. Seas 7 to 11 ft.
.FRI...SW wind 15 to 25 kt. Seas 5 to 10 ft.
.SAT...S wind up to 15 kt. Seas 5 to 8 ft.

$$
182 
FZAK62 PAFC 241229 CCA
OFFALU

Offshore Waters Forecast...CORRECTED 
National Weather Service Anchorage AK 
429 AM AKDT Tue Oct 24 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.

PKZ499-250045-
358 AM AKDT Tue Oct 24 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

A 934 mb low at 54N 168E Tue morning will move to 52N 176W at 949 mb 
by Wed morning, then moves to 56N 165W at 975 mb by Thu morning. A 
strong front will cross the Alaska Peninsula and western Gulf during 
this time.

$$

PKZ411-250045-
Bering Sea Offshore West of 180 and East of the International
Dateline-
358 AM AKDT Tue Oct 24 2017

...STORM WARNING THROUGH TONIGHT...

.TODAY...E wind 45 to 60 kt. Seas 22 to 37 ft. Rain.
.TONIGHT...NE wind 40 to 55 kt. Seas 24 to 38 ft.
.WED...N wind 30 to 45 kt. Seas 22 to 31 ft.
.WED NIGHT...N wind 20 to 35 kt. Seas 16 to 24 ft.
.THU...NE wind 10 to 25 kt. Seas 9 to 14 ft.
.FRI THROUGH SAT...N wind 10 to 20 kt. Seas 7 to 12 ft.

$$

PKZ412-250045-
Bering Sea Offshore 171W to 180 and North of 56N-
358 AM AKDT Tue Oct 24 2017

...STORM WARNING THROUGH TONIGHT...

.TODAY...E wind 45 to 60 kt. Seas 15 to 30 ft. Rain and snow.
.TONIGHT...SE wind 40 to 55 kt diminishing to 30 to 45 kt after
midnight. Seas 19 to 30 ft. Rain.
.WED...NE wind 15 to 30 kt. Seas 17 to 26 ft.
.WED NIGHT...N wind 15 to 30 kt. Seas 12 to 20 ft.
.THU...NW wind 10 to 25 kt. Seas 8 to 13 ft.
.FRI...W wind up to 20 kt. Seas 4 to 9 ft.
.SAT...N wind up to 15 kt. Seas 5 to 8 ft.

$$

PKZ413-250045-
Bering Sea Offshore 171W to 180 and South of 56N-
358 AM AKDT Tue Oct 24 2017

...STORM WARNING TODAY...

.TODAY...SE wind 40 to 55 kt becoming SW 25 to 40 kt in the
afternoon. Seas 19 to 26 ft. Rain.
.TONIGHT...SE wind 15 to 30 kt. Seas 19 to 25 ft.
.WED...N wind 15 to 30 kt. Seas 15 to 22 ft.
.WED NIGHT...NW wind 15 to 30 kt. Seas 13 to 20 ft.
.THU THROUGH FRI...W wind 15 to 30 kt. Seas 8 to 13 ft.
.SAT...NW wind up to 15 kt. Seas 4 to 9 ft.

$$

PKZ414-250045-
Bering Sea Offshore East of 171W-
358 AM AKDT Tue Oct 24 2017

...STORM WARNING TODAY...

.TODAY...SE wind 35 to 50 kt. Seas 10 to 18 ft. Rain.
.TONIGHT...S wind 30 to 45 kt diminishing to 25 kt after midnight.
Seas 13 to 19 ft. Rain.
.WED...SE wind 15 to 30 kt. Seas 12 to 20 ft.
.WED NIGHT...E wind 15 to 30 kt. Seas 10 to 18 ft.
.THU...W wind 10 to 25 kt. Seas 7 to 11 ft.
.FRI...SW wind 15 to 25 kt. Seas 5 to 10 ft.
.SAT...S wind up to 15 kt. Seas 5 to 8 ft.

$$
729 
FZAK62 PAFC 242346
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
346 PM AKDT Tue Oct 24 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.

PKZ499-251345-
346 PM AKDT Tue Oct 24 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

A 940 mb low at 51N 175E will weaken and move to 53N 170W at 964 mb 
by Wed afternoon...then it will move to 59N 163W at 986 mb by Thu 
afternoon. A front associated with a low near Kamchatka will 
approach the western Aleutians by Thu afternoon.

$$

PKZ411-251345-
Bering Sea Offshore West of 180 and East of the International
Dateline-
346 PM AKDT Tue Oct 24 2017

...STORM WARNING TONIGHT...

.TONIGHT...NE wind 40 to 55 kt. Seas 25 to 38 ft. Rain with snow.
.WED...N wind 30 to 45 kt. Seas 21 to 31 ft.
.WED NIGHT...N wind 20 to 35 kt diminishing to 10 to 25 kt after
midnight. Seas 15 to 23 ft.
.THU...E wind 15 to 30 kt. Seas 9 to 14 ft.
.THU NIGHT...NE wind 10 to 25 kt. Seas 8 to 12 ft.
.FRI THROUGH SUN...N wind 10 to 25 kt. Seas 6 to 11 ft.

$$

PKZ412-251345-
Bering Sea Offshore 171W to 180 and North of 56N-
346 PM AKDT Tue Oct 24 2017

...STORM WARNING TONIGHT...

.TONIGHT...N of 58 N...NE wind 40 to 55 kt diminishing to 30 to 45 
kt after midnight. S of 58 N...S wind 15 to 25 kt. Seas 19 to 29 ft.
Rain.
.WED...W of 177 W...NE wind 30 to 45 kt. E of 177 W...SE wind 10 to 
20 kt. Seas 17 to 28 ft. Rain and snow.
.WED NIGHT...N wind 25 to 40 kt diminishing to 20 to 30 kt after
midnight. Seas 14 to 22 ft.
.THU...NW wind 15 to 30 kt. Seas 10 to 16 ft.
.THU NIGHT...NW wind up to 20 kt. Seas 6 to 10 ft.
.FRI...W wind 10 to 25 kt. Seas 6 to 9 ft.
.SAT THROUGH SUN...N wind up to 15 kt. Seas 5 to 9 ft.

$$

PKZ413-251345-
Bering Sea Offshore 171W to 180 and South of 56N-
346 PM AKDT Tue Oct 24 2017

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...SE wind 15 to 30 kt. Seas 19 to 24 ft. Rain showers.
.WED...N wind 25 to 40 kt. Seas 16 to 24 ft.
.WED NIGHT...NW wind 25 to 40 kt. Seas 14 to 22 ft.
.THU...NW wind 15 to 30 kt. Seas 10 to 17 ft.
.THU NIGHT...SW wind 10 to 25 kt. Seas 7 to 12 ft.
.FRI...SW wind 10 to 25 kt. Seas 7 to 10 ft.
.SAT...NW wind up to 15 kt. Seas 4 to 9 ft.
.SUN...N wind up to 20 kt. Seas 5 to 10 ft.

$$

PKZ414-251345-
Bering Sea Offshore East of 171W-
346 PM AKDT Tue Oct 24 2017

...GALE WARNING TONIGHT...

.TONIGHT...S wind 30 to 45 kt becoming SW 25 kt after midnight. Seas
13 to 18 ft. Rain showers.
.WED...SE wind 15 to 30 kt. Seas 12 to 19 ft.
.WED NIGHT...E wind 15 to 30 kt. Seas 9 to 17 ft.
.THU...NW wind 15 to 30 kt. Seas 7 to 12 ft.
.THU NIGHT...W wind 15 to 25 kt. Seas 7 to 11 ft.
.FRI THROUGH SAT...S wind 10 to 25 kt. Seas 5 to 10 ft.
.SUN...E wind 10 kt. Seas 4 to 7 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 8:05 PM AKDTGale WarningAFC68 hr
Oct 22, 8:05 PM AKDTSmall Craft AdvisoryAFC4 days
Oct 22, 9:15 PM AKDTGale WarningAFC7 hr
Oct 23, 3:57 AM AKDTGale WarningAFC48 hr
Oct 23, 3:57 AM AKDTSmall Craft AdvisoryAFC12 hr
Oct 23, 3:57 AM AKDTStorm WarningAFC48 hr
Oct 23, 4:00 AM AKDTSmall Craft AdvisoryAFC48 hr
Oct 23, 4:47 AM AKDTHigh Wind WatchAFC24 hr
Oct 23, 3:17 PM AKDTGale WarningAFC49 hr
Oct 23, 3:17 PM AKDTGale WarningAFC48 hr
Oct 23, 3:32 PM AKDTGale WarningAFC48 hr
Oct 23, 3:48 PM AKDTHigh Wind WarningAFC26 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.