Alert archive / Alaska / Gale Warnings in 2015

Gale Warning 400, NWS Anchorage, AK

May 21, 2015

NWS Anchorage, AK issued this gale warning at May 21, 2015, 3:29 AM AKDT. It was in force for 60 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
May 21, 2015, 3:29 AM AKDT (11:29 UTC)
Expired
May 23, 2015, 3:19 PM AKDT
In force
60 hr
Issued by
NWS Anchorage, AK

The text

As transmitted, in the capitals the NWS used until 2016.

991 
FZAK62 PAFC 211129
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
329 AM AKDT THU MAY 21 2015

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.

PKZ499-220130-
329 AM AKDT THU MAY 21 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
THE 979 MB REMNANTS OF TYPHOON DOLPHIN AT 51N 168E THU MORNING
MOVES TO 56N 173E AT 967 MB FRI MORNING. THIS LOW MOVES NEAR 56N
180W AT 979 MB SAT AFTERNOON. A FRONT WILL ENTER THE WESTERN
BERING SEA THU MORNING BEFORE MOVING INTO THE EASTERN BERING SEA
BY FRI EVENING BEFORE DISSIPATING BY SATURDAY AFTERNOON.

$$

PKZ411-220130-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
329 AM AKDT THU MAY 21 2015

...STORM WARNING THROUGH TONIGHT...

.TODAY...SE WIND 20 TO 35 KT INCREASING TO 35 TO 50 KT IN THE
AFTERNOON. STRONGEST S OF 56N. SEAS 7 TO 12 FT BUILDING TO 15 TO
20 FT S OF 56N IN THE AFTERNOON. RAIN.
.TONIGHT...SE WIND 35 TO 50 KT EXCEPT DIMINISHING TO 25 KT S OF
56N AFTER MIDNIGHT. SEAS 14 TO 22 FT. RAIN SHOWERS.
.FRI...E WIND 35 KT N OF 56N. S WIND 25 KT S OF 56N. SEAS 14 TO
22 FT. RAIN.
.FRI NIGHT...S WIND 15 TO 30 KT. SEAS 13 TO 17 FT.
.SAT...NW WIND 15 TO 30 KT. SEAS 8 TO 16 FT.
.SUN...W WIND UP TO 20 KT. SEAS 4 TO 9 FT.
.MON...NW WIND UP TO 10 KT. SEAS 4 FT.

$$

PKZ412-220130-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
329 AM AKDT THU MAY 21 2015

...STORM WARNING TONIGHT...

.TODAY...S WIND UP TO 20 KT INCREASING TO 15 TO 30 KT IN THE
AFTERNOON. SEAS 4 TO 8 FT.
.TONIGHT...SE WIND 35 TO 50 KT. SEAS 7 TO 12 FT BUILDING TO 11 TO
24 FT AFTER MIDNIGHT. 
.FRI...SE WIND 30 TO 45 KT. SEAS 15 TO 23 FT. 
.FRI NIGHT...SE WIND 25 TO 40 KT. SEAS 12 TO 20 FT.
.SAT...SE WIND 10 TO 25 KT. SEAS 8 TO 13 FT.
.SUN...SW WIND UP TO 20 KT. SEAS 6 TO 11 FT.
.MON...SE WIND UP TO 20 KT. SEAS 4 TO 9 FT.

$$

PKZ413-220130-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
329 AM AKDT THU MAY 21 2015

...STORM WARNING TONIGHT...

.TODAY...S WIND 10 TO 25 KT BECOMING SE 25 TO 40 KT IN THE
AFTERNOON. SEAS 6 TO 11 FT. RAIN.
.TONIGHT...SE WIND 35 TO 50 KT. SEAS 10 TO 20 FT. RAIN.
.FRI...SE WIND 30 TO 45 KT EXCEPT BECOMING SW 20 KT W OF 175W.
SEAS 13 TO 21 FT. RAIN.
.FRI NIGHT...SW WIND 15 TO 30 KT. SEAS 9 TO 16 FT.
.SAT THROUGH SUN...SW WIND 20 TO 35 KT. SEAS 9 TO 17 FT.
.MON...S WIND UP TO 20 KT. SEAS 3 TO 8 FT.

$$

PKZ414-220130-
BERING SEA OFFSHORE EAST OF 171W-
329 AM AKDT THU MAY 21 2015

...GALE WARNING FRIDAY...

.TODAY...VARIABLE WIND UP TO 15 KT BECOMING NE IN THE AFTERNOON.
SEAS 3 TO 6 FT. PATCHY FOG.
.TONIGHT...SE WIND 10 TO 25 KT. SEAS 3 TO 6 FT. AREAS OF DENSE FOG
N OF 56N. VSBY 1 NM OR LESS.
.FRI...SE WIND 20 TO 35 KT. SEAS 6 TO 11 FT. DENSE FOG N OF 56N.
VSBY 1 NM OR LESS.
.FRI NIGHT...SE WIND 20 TO 35 KT. SEAS 7 TO 12 FT.
.SAT THROUGH MON...SE WIND 15 TO 30 KT. SEAS 8 TO 13 FT.

$$
5 follow-up statements
977 
FZAK62 PAFC 212308
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
308 PM AKDT THU MAY 21 2015

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.

PKZ499-221345-
308 PM AKDT THU MAY 21 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
THE 974 MB REMNANTS OF TYPHOON DOLPHIN AT 53N 170E MOVES TO 56N
171E AT 968 MB FRI AFTERNOON...THEN MOVES TO 54N 179W AT 980 MB
SAT AFTERNOON.

$$

PKZ411-221345-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
308 PM AKDT THU MAY 21 2015

...STORM WARNING TONIGHT...

.TONIGHT...SE WIND 35 TO 50 KT DIMINISHING TO 20 TO 30 KT S OF 56N
AFTER MIDNIGHT. SEAS 14 TO 22 FT. PATCHY FOG. RAIN.
.FRI...S WIND 25 TO 40 KT EXCEPT SW 20 TO 30 KT S OF 57N. SEAS 13
TO 21 FT. RAIN.
.FRI NIGHT...S TO W WIND 15 TO 30 KT. SEAS 12 TO 16 FT. RAIN.
.SAT...NE WIND 10 TO 25 KT. SEAS 10 TO 15 FT.
.SAT NIGHT...W WIND 15 TO 30 KT. SEAS 8 TO 13 FT.
.SUN...SW WIND UP TO 20 KT. SEAS 5 TO 10 FT.
.MON THROUGH TUE...NE WIND UP TO 15 KT. SEAS 5 TO 10 FT.

$$

PKZ412-221345-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
308 PM AKDT THU MAY 21 2015

...STORM WARNING TONIGHT...

.TONIGHT...SE WIND 35 TO 50 KT. SEAS 6 TO 11 FT BUILDING TO 10 TO
18 FT AFTER MIDNIGHT. RAIN.
.FRI...SE WIND 30 TO 45 KT. SEAS 13 TO 21 FT. RAIN.
.FRI NIGHT...SE WIND 20 TO 35 KT. SEAS 11 TO 19 FT. RAIN.
.SAT...SE WIND 15 TO 30 KT. SEAS 9 TO 14 FT.
.SAT NIGHT...SE WIND UP TO 20 KT. SEAS 9 TO 13 FT.
.SUN...SW WIND UP TO 20 KT. SEAS 6 TO 11 FT.
.MON THROUGH TUE...SE WIND 10 TO 20 KT. SEAS 7 TO 12 FT.

$$

PKZ413-221345-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
308 PM AKDT THU MAY 21 2015

...STORM WARNING TONIGHT...

.TONIGHT...SE WIND 35 TO 50 KT. SEAS 10 TO 18 FT. RAIN.
.FRI...S WIND 30 TO 45 KT DIMINISHING TO 20 TO 30 KT W OF 176W IN
THE AFTERNOON. SEAS 12 TO 20 FT. RAIN.
.FRI NIGHT...SW WIND 15 TO 30 KT. SEAS 9 TO 16 FT. RAIN.
.SAT...S WIND 15 TO 30 KT. SEAS 9 TO 16 FT.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 12 TO 17 FT.
.SUN...SW WIND 10 TO 25 KT. SEAS 8 TO 13 FT.
.MON THROUGH TUE...SE WIND UP TO 20 KT. SEAS 7 TO 12 FT.

$$

PKZ414-221345-
BERING SEA OFFSHORE EAST OF 171W-
308 PM AKDT THU MAY 21 2015

...GALE WARNING FRIDAY AND FRIDAY NIGHT...

.TONIGHT...SE WIND 15 KT INCREASING TO 15 TO 30 KT AFTER MIDNIGHT.
SEAS 4 FT. AREAS OF FOG. VSBY 1 NM OR LESS.
.FRI...SE WIND 20 TO 35 KT. SEAS 5 TO 10 FT. DENSE FOG. VSBY 1 NM
OR LESS.
.FRI NIGHT...SE WIND 20 TO 35 KT. SEAS 7 TO 12 FT. PATCHY DENSE
FOG. RAIN. VSBY 1 NM OR LESS.
.SAT...S WIND 20 TO 35 KT. SEAS 8 TO 12 FT.
.SAT NIGHT...S WIND 20 TO 30 KT. SEAS 9 TO 14 FT.
.SUN THROUGH TUE...SE WIND 15 TO 25 KT. SEAS 8 TO 13 FT.

$$
365 
FZAK62 PAFC 221134
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
334 AM AKDT FRI MAY 22 2015

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.

PKZ499-230145-
334 AM AKDT FRI MAY 22 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
THE 967 MB REMNANTS OF TYPHOON DOLPHIN AT 57N 173E FRI MORNING MOVES
TO 55N 174E AT 974 MB SAT MORNING. THIS LOW MOVES TO 59N 174W AT
993 MB SUN AFTERNOON. ANOTHER NORTH PACIFIC LOW MOVES NEAR 51N
166E AT 980 MB SUN AFTERNOON.

$$

PKZ411-230145-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
334 AM AKDT FRI MAY 22 2015

...GALE WARNING TODAY...

.TODAY...N OF 56N...SOUTHEAST WIND 25 TO 35 KT. S OF 56N...S WIND
15 TO 25 KT. SEAS 13 TO 21 FT...HIGHEST N OF 56N. RAIN.
.TONIGHT...S WIND 10 TO 25 KT. SEAS 12 TO 16 FT. RAIN.
.SAT...N OF 56N...VARIABLE WIND TO 15 MPH. S OF 56N...VARIABLE
WIND 20 KT BECOMING W IN THE AFTERNOON. SEAS 11 TO 15 FT. RAIN.
.SAT NIGHT...W WIND 10 TO 25 KT. SEAS 9 TO 13 FT.
.SUN...S WIND 10 TO 25 KT. SEAS 6 TO 11 FT.
.MON THROUGH TUE...NE WIND UP TO 20 KT. SEAS 6 TO 11 FT.

$$

PKZ412-230145-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
334 AM AKDT FRI MAY 22 2015

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND 30 TO 45 KT. SEAS 14 TO 22 FT. RAIN. 
.TONIGHT...SE WIND 20 TO 35 KT. SEAS 12 TO 19 FT. RAIN.
.SAT...S WIND 10 TO 25 KT. SEAS 9 TO 14 FT. RAIN.
.SAT NIGHT...SE WIND 10 TO 25 KT. SEAS 9 TO 12 FT.
.SUN...SW WIND 10 TO 25 KT. SEAS 7 TO 12 FT.
.MON THROUGH TUE...SE WIND 15 TO 25 KT. SEAS 8 TO 13 FT.

$$

PKZ413-230145-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
334 AM AKDT FRI MAY 22 2015

...GALE WARNING TODAY...

.TODAY...SE WIND 30 TO 45 KT EXCEPT BECOMING SW 20 KT W OF 175W IN
THE AFTERNOON. SEAS 12 TO 20 FT. RAIN.
.TONIGHT...SW WIND 15 TO 30 KT. SEAS 11 TO 16 FT. RAIN.
.SAT...S WIND 15 TO 30 KT. SEAS 9 TO 15 FT. RAIN.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 11 TO 16 FT.
.SUN...SW WIND 15 TO 30 KT. SEAS 9 TO 14 FT.
.MON THROUGH TUE...SE WIND 10 TO 25 KT. SEAS 7 TO 12 FT.

$$

PKZ414-230145-
BERING SEA OFFSHORE EAST OF 171W-
334 AM AKDT FRI MAY 22 2015

...GALE WARNING THROUGH SATURDAY...

.TODAY...SE WIND 20 TO 35 KT. SEAS 5 TO 10 FT. DENSE FOG N OF 56N.
VSBY 1 NM OR LESS.
.TONIGHT...SE WIND 20 TO 35 KT. SEAS 7 TO 12 FT. AREAS OF FOG N OF
56N. RAIN. VSBY 1 NM OR LESS.
.SAT...S WIND 20 TO 35 KT. SEAS 8 TO 11 FT. RAIN.
.SAT NIGHT...S WIND 20 TO 30 KT. SEAS 8 TO 13 FT.
.SUN THROUGH TUE...SE WIND 15 TO 30 KT. SEAS 8 TO 13 FT.

$$
760 
FZAK62 PAFC 222301
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
301 PM AKDT FRI MAY 22 2015

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.

PKZ499-231400-
301 PM AKDT FRI MAY 22 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
THE 968 MB REMNANTS OF TYPHOON DOLPHIN NEAR 56N 171E WILL WEAKEN
TO 981 MB NEAR 55N 180E SAT AFTERNOON...THEN TO 995 MB NEAR 60N
175W SUN AFTERNOON. A 992 MB LOW OVER THE KAMCHATKA PENINSULA SAT
NIGHT WILL TRACK TO 51N 166E AT 977 MB SUN AFTERNOON.

$$

PKZ411-231400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
301 PM AKDT FRI MAY 22 2015

.TONIGHT...S TO E WIND 15 TO 30 KT. SEAS 12 TO 16 FT. RAIN.
.SAT...VARIABLE WIND 15 KT EXCEPT W 15 TO 25 KT S OF 55N.
SEAS 11 TO 15 FT. RAIN.
.SAT NIGHT...W WIND 15 TO 30 KT EXCEPT VARIABLE 10 KT N OF 56N.
SEAS 9 TO 14 FT. RAIN.
.SUN...SW WIND 10 TO 25 KT. SEAS 7 TO 11 FT.
.SUN NIGHT...SE WIND 10 TO 20 KT. SEAS 6 TO 9 FT.
.MON THROUGH TUE...E WIND 10 TO 25 KT. SEAS 6 TO 11 FT.
.WED...NE WIND UP TO 15 KT. SEAS 3 TO 7 FT.

$$

PKZ412-231400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
301 PM AKDT FRI MAY 22 2015

...GALE WARNING TONIGHT...

.TONIGHT...SE WIND 25 TO 40 KT DIMINISHING TO 15 TO 30 KT AFTER
MIDNIGHT. SEAS 12 TO 20 FT. RAIN.
.SAT...S WIND 10 TO 20 KT. N OF 58N...E WIND 20 TO 30 KT BECOMING
S 20 KT IN THE AFTERNOON. SEAS 9 TO 14 FT. RAIN.
.SAT NIGHT...SE WIND 10 TO 25 KT EXCEPT VARIABLE 15 KT W OF 176W.
SEAS 9 TO 12 FT. RAIN.
.SUN...SW WIND 10 TO 25 KT. SEAS 8 TO 12 FT.
.SUN NIGHT...S WIND 10 TO 20 KT. SEAS 6 TO 11 FT.
.MON THROUGH WED...E WIND 15 TO 30 KT. SEAS 6 TO 11 FT.

$$

PKZ413-231400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
301 PM AKDT FRI MAY 22 2015

.TONIGHT...SW WIND 15 TO 30 KT. SEAS 9 TO 15 FT. RAIN.
.SAT...S WIND 15 TO 30 KT. SEAS 9 TO 15 FT. RAIN.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 11 TO 17 FT. RAIN.
.SUN...SW WIND 15 TO 30 KT. SEAS 10 TO 17 FT.
.SUN NIGHT...S WIND 20 KT. SEAS 8 TO 12 FT.
.MON THROUGH TUE...S WIND 15 TO 30 KT. SEAS 7 TO 12 FT.
.WED...SE WIND 15 KT. SEAS 3 TO 7 FT.

$$

PKZ414-231400-
BERING SEA OFFSHORE EAST OF 171W-
301 PM AKDT FRI MAY 22 2015

...GALE WARNING THROUGH SATURDAY...

.TONIGHT...SE WIND 20 TO 35 KT. SEAS 7 TO 12 FT. AREAS OF FOG N OF
57N. RAIN.
.SAT...S WIND 20 TO 35 KT BECOMING 25 KT IN THE AFTERNOON. SEAS 8
TO 11 FT. RAIN.
.SAT NIGHT...S WIND 20 TO 30 KT. SEAS 8 TO 13 FT. RAIN.
.SUN...S WIND 20 TO 30 KT. SEAS 9 TO 14 FT.
.SUN NIGHT...S WIND 15 TO 25 KT. SEAS 8 TO 13 FT.
.MON THROUGH WED...SE WIND 15 TO 30 KT. SEAS 6 TO 11 FT.

$$
166 
FZAK62 PAFC 231135
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
335 AM AKDT SAT MAY 23 2015

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.

PKZ499-240130-
335 AM AKDT SAT MAY 23 2015
.SYNOPSIS FOR CENTRAL BERING SEA...

A 977 MB LOW NEAR 55N 176E SAT MORNING MOVES TO 58N 174W AT 990
MB SUN MORNING BEFORE DISSIPATING BY SUN EVENING. A 979 MB LOW
TRACKS NEAR 52N 166E SUN AFTERNOON MOVES TO 55N 175E AT 980 MB MON
AFTERNOON.

$$

PKZ411-240130-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
335 AM AKDT SAT MAY 23 2015

.TODAY...VARIABLE WIND 15 KT EXCEPT W 15 TO 25 KT S OF 55N. SEAS
10 TO 15 FT.
.TONIGHT...W WIND 15 TO 30 KT EXCEPT VARIABLE 10 KT N OF 55N.
SEAS 9 TO 14 FT.
.SUN...SW WIND 10 TO 25 KT. SEAS 7 TO 12 FT.
.SUN NIGHT...S WIND 15 TO 30 KT. SEAS 7 TO 12 FT.
.MON THROUGH TUE...S WIND 10 TO 25 KT. SEAS 6 TO 11 FT.
.WED...NE WIND UP TO 15 KT. SEAS 3 TO 7 FT.

$$

PKZ412-240130-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
335 AM AKDT SAT MAY 23 2015

.TODAY...S TO E WIND 10 TO 25 KT. SEAS 10 TO 16 FT.
.TONIGHT...SE WIND 10 TO 25 KT. SEAS 8 TO 11 FT.
.SUN...SW WIND 10 TO 20 KT. SEAS 7 TO 12 FT.
.SUN NIGHT...S WIND 10 TO 25 KT. SEAS 7 TO 11 FT.
.MON THROUGH TUE...SE WIND 15 TO 30 KT. SEAS 9 TO 14 FT.
.WED...E WIND 20 KT. SEAS 4 TO 8 FT.

$$

PKZ413-240130-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
335 AM AKDT SAT MAY 23 2015

...GALE WARNING TONIGHT...

.TODAY...S WIND 15 TO 30 KT. SEAS 9 TO 15 FT.
.TONIGHT...SW WIND 20 TO 35 KT. SEAS 10 TO 18 FT. RAIN SHOWERS.
.SUN...SW WIND 20 TO 30 KT. SEAS 10 TO 17 FT. RAIN SHOWERS.
.SUN NIGHT...S WIND 15 TO 25 KT. SEAS 8 TO 12 FT.
.MON THROUGH TUE...S WIND 15 TO 30 KT. SEAS 8 TO 13 FT.
.WED...SE WIND 15 KT. SEAS 3 TO 7 FT.

$$

PKZ414-240130-
BERING SEA OFFSHORE EAST OF 171W-
335 AM AKDT SAT MAY 23 2015

...GALE WARNING TODAY...

.TODAY...SE WIND 20 TO 35 KT BECOMING S 25 KT IN THE AFTERNOON.
SEAS 7 TO 11 FT. RAIN.
.TONIGHT...S WIND 15 TO 30 KT. SEAS 7 TO 12 FT. RAIN SHOWERS.
.SUN...S WIND 20 TO 30 KT. SEAS 9 TO 15 FT. RAIN.
.SUN NIGHT...S WIND 15 TO 25 KT. SEAS 9 TO 14 FT.
.MON THROUGH WED...SE WIND 15 TO 30 KT. SEAS 7 TO 12 FT.

$$
295 
FZAK62 PAFC 232319
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
319 PM AKDT SAT MAY 23 2015

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.

PKZ499-241400-
319 PM AKDT SAT MAY 23 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 980 MB LOW NEAR 55N 179E WILL TRACK TO 58N 173W AT 994 MB SUN
AFTERNOON BEFORE DISSIPATING IN THE NORTHERN BERING SEA SUNDAY
NIGHT. A 997 MB LOW NEAR 52N 166E SUN AFTERNOON WILL TRACK TO 54N
174E AT 980 MB MON AFTERNOON.

$$

PKZ411-241400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
319 PM AKDT SAT MAY 23 2015

.TONIGHT...NW WIND 15 TO 30 KT. SEAS 9 TO 14 FT.
.SUN...SW WIND 10 TO 25 KT. SEAS 7 TO 12 FT.
.SUN NIGHT...S WIND 15 TO 30 KT. SEAS 8 TO 13 FT. RAIN.
.MON...S WIND 15 TO 25 KT. SEAS 8 TO 13 FT.
.MON NIGHT...S WIND 20 KT. SEAS 8 TO 12 FT.
.TUE...SW WIND 10 TO 20 KT. SEAS 5 TO 10 FT.
.WED...SE WIND UP TO 15 KT. SEAS 3 TO 7 FT.
.THU...N WIND 10 TO 20 KT. SEAS 4 FT.

$$

PKZ412-241400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
319 PM AKDT SAT MAY 23 2015

.TONIGHT...SE WIND 10 TO 25 KT. SEAS 8 TO 12 FT.
.SUN...SE WIND 10 TO 25 KT BECOMING SW IN THE AFTERNOON. SEAS 7 TO
12 FT.
.SUN NIGHT...S WIND 15 TO 25 KT. SEAS 7 TO 11 FT.
.MON...SE WIND 20 TO 30 KT. SEAS 8 TO 13 FT.
.MON NIGHT...SE WIND 20 TO 30 KT. SEAS 11 TO 14 FT.
.TUE THROUGH WED...SE WIND 15 TO 30 KT. SEAS 6 TO 11 FT.
.THU...E WIND 20 KT. SEAS 4 TO 8 FT.

$$

PKZ413-241400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
319 PM AKDT SAT MAY 23 2015

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...SW WIND 20 TO 35 KT. SEAS 12 TO 17 FT. RAIN SHOWERS.
.SUN...SW WIND 20 TO 35 KT. SEAS 12 TO 17 FT. RAIN SHOWERS.
.SUN NIGHT...S WIND 20 TO 30 KT. SEAS 9 TO 14 FT. PATCHY FOG.
.MON...S WIND 20 TO 30 KT. SEAS 9 TO 13 FT.
.MON NIGHT...S WIND 15 TO 30 KT. SEAS 10 TO 13 FT.
.TUE...S WIND 10 TO 20 KT. SEAS 6 TO 11 FT.
.WED...SE WIND 10 TO 20 KT. SEAS 3 TO 7 FT.
.THU...NE WIND 20 KT. SEAS 3 TO 7 FT.

$$

PKZ414-241400-
BERING SEA OFFSHORE EAST OF 171W-
319 PM AKDT SAT MAY 23 2015

.TONIGHT...S WIND 15 TO 30 KT. SEAS 8 TO 13 FT. RAIN SHOWERS.
.SUN...S WIND 20 TO 30 KT. SEAS 9 TO 14 FT. RAIN.
.SUN NIGHT...S WIND 25 KT. SEAS 9 TO 14 FT. PATCHY FOG.
.MON...S WIND 15 TO 30 KT. SEAS 7 TO 10 FT.
.MON NIGHT...SE WIND 20 TO 30 KT. SEAS 8 TO 13 FT.
.TUE THROUGH THU...E WIND 15 TO 30 KT. SEAS 6 TO 11 FT.

$$

What forecasters said that day

The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before this gale warning went out at May 20, 3:53 PM AKDT, 11 hours 36 minutes earlier.

Area forecast discussion, May 20, 3:53 PM AKDT, 11 hours 36 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
353 PM AKDT WED MAY 20 2015

.ANALYSIS AND UPPER LEVELS...
THE UPPER LEVEL FLOW OVER THE FORECAST AREA IS HIGHLY AMPLIFIED
TODAY WITH A SHARP RIDGE EXTENDING OUT OF THE PACIFIC UP THE 145W
PARALLEL ALL THE WAY OVER THE COPPER RIVER BASIN INTO THE
INTERIOR OF THE STATE. THE UPPER LEVEL TROUGH EXTENDS OUT OF
EASTERN RUSSIA INTO THE CENTRAL BERING SEA AND THEN OVER DUTCH
HARBOR. THIS COMBINATION IS BRINGING THE JET STREAM OVER SOUTHWEST
MAINLAND ALASKA WHICH IS CONTINUING THE RAINFALL IN THAT AREA.
THE SURFACE FRONT EXTENDS FROM NEAR THE BERING STRAIT INTO BRISTOL
BAY AND THEN NEAR THE SOUTHWESTERN GULF OF ALASKA. THE SURFACE
RIDGE IN THE GULF IS BEGINNING THE GET SQUEEZED BY THIS FRONT
AS IT APPROACHES FROM THE WEST. THIS IS SHIFTING THE ORIENTATION
OF THE RIDGE TO BECOME MORE PARALLEL TO THE NORTH GULF COAST
WHICH HELPS TO INCREASE THE GUSTY WINDS THROUGH CHANNELED TERRAIN
IN SOUTHCENTRAL ALASKA AND THE COPPER RIVER BASIN.

FARTHER WEST THE JET STREAM IS RUNNING FROM OVER JAPAN TOWARD ATTU
BEFORE CURVING AGAIN TO THE SOUTHEAST AROUND THE SOUTHERN
PERIPHERY OF THE UPPER LEVEL TROUGH. THE REMNANTS OF FORMER
TYPHOON DOLPHIN ARE CURRENTLY EAST OF JAPAN AND ARE BEING CAUGHT
UP IN THIS JET STREAM. WHAT THIS MEANS IS THAT THE STORM WILL
STRENGTHEN AGAIN AS IT BECOMES EXTRA-TROPICAL AND MOVES INTO THE
WESTERN BERING SEA THURSDAY. AT THIS TIME MAXIMUM WINDS APPEAR TO
BE STORM FORCE IN THE CENTRAL TO WESTERN BERING SEA AND ALEUTIAN
ISLANDS.

&&

.MODEL DISCUSSION...
THERE ARE ONLY MINOR DIFFERENCES IN MODELS OVER THE SOUTHERN MAINLAND
PART OF THE STATE. IN THE WESTERN PART OF THE STATE THE MODELS
HAVE CONVERGED ON A VERY SIMILAR SOLUTION FOR THE REMNANTS OF
FORMER TYPHOON DOLPHIN AS IT ENTERS THE WESTERN BERING SEA
THURSDAY AND THEN TREKS SLOWLY INTO THE CENTRAL BERING SEA THROUGH
EARLY NEXT WEEK. THE ONLY DIFFERENCE ON NOTE RIGHT NOW IS THAT THE
ECMWF CONTINUES TO RUN 5 TO 8 MB WEAKER THAN THE OTHER
MODELS...KEEPING IT IN THE MID 960S INSTEAD OF A LOWEST PRESSURE
IN THE UPPER 950S. IN EITHER CASE IT WILL BE A STRONGER STORM THAN
IS TYPICAL FOR THIS TIME OF YEAR.

&&
.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (DAYS 1 AND 2)...

ONSHORE MOIST FLOW WILL CONTINUE TO BRING RAIN TO KODIAK ISLAND
THROUGH FRI AND SOME SHOWERS TO THE SOUTHERN KENAI PENINSULA INTO
THU. OTHERWISE HIGH PRESSURE BUILDING OVER SOUTHCENTRAL AK WILL
BRING WARMER AND DRIER CONDITIONS THROUGH FRI. LOCAL BREEZY
CONDITIONS THROUGH CHANNELED AREAS WILL ALSO DIMINISH THROUGH THE
PERIOD.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (DAYS 1 AND 2)...

A STATIONARY BUT WEAKENING FRONTAL ZONE OVER SOUTHWEST WILL
CONTINUE TO SPREAD RAIN OVER MUCH OF THE BRISTOL BAY AND LOWER
KUSKOKWIM REGIONS INTO MONDAY. THE FRONT WILL SLOWLY WEAKEN AND
DRIFT EAST...DRYING OUT FIRST OVER THE KUSKOKWIM DELTA. WITH WEAK
ONSHORE FLOW AND SOME CLEARING OUT OF HIGHER CLOUDS OVER THE
KUSKOKWIM DELTA...SOME FOG IS POSSIBLE OVERNIGHT. THE FRONT WILL
FALL APART TOMORROW AFTERNOON WITH A CHANGE TO SHOWERS. WEAK
DISTURBANCES ALOFT WILL SUPPORT MORE PERIODS OF LIGHTER RAIN AGAIN
ON FRIDAY...BUT IT WILL NOT BE AS WIDESPREAD OR INTENSE AS THE
FRONTAL RAIN OVER THE LAST DAY. STRONG SOUTHEAST WINDS WILL WANE
OVERNIGHT TONIGHT AS THE FRONT WEAKENS.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (DAYS 1 AND 2)...

THE BIG STORY FOR THE BERING SEA WILL BE THE DEVELOPMENT OF A
STRONG LOW (STORM FORCE) DEVELOPING OVER THE WESTERN BERING SEA
AND ALEUTIANS AS THE REMNANTS OF FORMER TYPHOON DOLPHIN INTERACT
WITH A NORTHERN STREAM BAROCLINIC WAVE. WHILE SOME DISCREPANCY
EXISTS IN CENTRAL PRESSURE...THIS STORM WILL BE RATHER ANOMALOUSLY
STRONG FOR THIS TIME OF YEAR. THE STORM WILL REACH MAX INTENSITY
ON THURSDAY EVENING BEFORE SLOWLY WEAKENING FRIDAY. THE MAIN
IMPACT WITH THIS STORM WILL BE OVER THE WESTERN AND CENTRAL BERING
SEA/ALEUTIANS WITH STORM FORCE WINDS (UP TO 50 KTS) AND HEAVY RAIN.
THE EASTERN ALEUTIANS WILL REMAIN WELL EAST OF THE LOW WITH
SOUTHERLY FLOW AND GUSTY GAP WINDS THROUGH THE TERRAIN...AND
PERIODIC RAIN SHOWERS.

&&

.LONG TERM FORECAST (SATURDAY THROUGH WEDNESDAY)...

BEGINNING THE EXTENDED FORECAST ON SATURDAY...THE REMNANTS OF
FORMER TYPHOON DOLPHIN WILL BE SPINNING OVER THE FAR WESTERN
BERING...WITH A STRONG NORTH AMERICAN RIDGE CENTERED OVER THE
YUKON. A WEAKENING LOW IN THE NORTH PACIFIC WILL MERGE WITH THE
LARGE LOW OVER THE BERING...EFFECTIVELY ENDING THE LONG PERIOD OF
WARMTH AND DRY WEATHER FOR SOUTHCENTRAL. THAT SAID...THE FRONT
WILL BE FALLING APART AS IT MOVES EAST...WITH THE WETTEST WEATHER
ON SATURDAY AND SUNDAY BEFORE DRYING OUT AND BECOMING MORE SHOWERY
TUESDAY AND WEDNESDAY...WITH TEMPERATURES ONCE AGAIN SLOWLY
REBOUNDING. THE PATTERN BECOMES A LITTLE LESS CERTAIN BY
MIDWEEK...BUT THE GENERAL IDEA IS HIGH PRESSURE ALOFT WILL SLOWLY
BEGIN TO EXERT ITS INFLUENCE OVER MOST OF MAINLAND ALASKA...WITH
THE MAIN STORM TRACK REMAINING OVER THE BERING SEA.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...STORM WARNING 175 177 178.
   GALE WARNING 173 174 176 185.
FIRE WEATHER...RED FLAG WARNING 141.

&&

SYNOPSIS AND MODEL DISCUSSION...EZ
SOUTHCENTRAL ALASKA...DS
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...MO
LONG TERM...JA

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 3:29 AM AKDTGale WarningAFC24 hr
May 21, 3:29 AM AKDTSmall Craft AdvisoryAFC24 hr
May 21, 3:01 PM AKDTSmall Craft AdvisoryAFC37 hr
May 21, 3:08 PM AKDTGale WarningAFC13 hr

Nearby

Gale Warnings in Alaska, 2015Every gale warning in 2015

Sources

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