Alert archive / Alaska / Gale Warnings in 2015

Gale Warning 317, NWS Anchorage, AK

April 16, 2015

NWS Anchorage, AK issued this gale warning at Apr 16, 2015, 3:08 PM 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
Apr 16, 2015, 3:08 PM AKDT (23:08 UTC)
Expired
Apr 19, 2015, 3:13 AM AKDT
In force
60 hr
Issued by
NWS Anchorage, AK

The text

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

853 
FZAK62 PAFC 162308
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
308 PM AKDT THU APR 16 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.

PKZ499-171300-
308 PM AKDT THU APR 16 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 983 MB LOW NEAR 49N 169W WILL REMAIN STATIONARY AND STRENGTHEN
TO 977 MB FRI AFTERNOON...THEN TRACK TO 54N 161W AT 973 MB SAT
AFTERNOON. THE ASSOCIATED WEATHER FRONT WILL CROSS THE
SOUTHEASTERN BERING FRI AFTERNOON AND THE CENTRAL BERING SAT
AFTERNOON.

$$

PKZ411-171300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
308 PM AKDT THU APR 16 2015

.TONIGHT...NE WIND 10 TO 25 KT. SEAS 5 TO 9 FT. SNOW. FREEZING
SPRAY W OF 175E.
.FRI...NE WIND 10 TO 25 KT. SEAS 8 FT. SNOW SHOWERS. FREEZING
SPRAY W OF 175E.
.FRI NIGHT...NE WIND 10 TO 25 KT. SEAS 8 FT. FREEZING SPRAY.
.SAT...NE WIND UP TO 20 KT. SEAS 8 FT.
.SAT NIGHT...NW WIND 10 TO 25 KT. SEAS 8 FT.
.SUN THROUGH MON...NW WIND 15 TO 25 KT. SEAS 7 TO 11 FT.
.TUE...W WIND UP TO 20 KT. SEAS 4 TO 9 FT.

$$

PKZ412-171300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
308 PM AKDT THU APR 16 2015

...GALE WARNING FRIDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING FRIDAY AND FRIDAY NIGHT...

.TONIGHT...E WIND 15 TO 25 KT. SEAS 3 TO 7 FT. FREEZING SPRAY.
.FRI...NE WIND 20 TO 30 KT. SEAS 5 TO 10 FT. HEAVY FREEZING SPRAY
NEAR THE ICE EDGE.
.FRI NIGHT...NE WIND 20 TO 35 KT. SEAS 7 TO 13 FT. HEAVY FREEZING
SPRAY NEAR THE ICE EDGE.
.SAT...N WIND 25 TO 40 KT. SEAS 10 TO 15 FT.
.SAT NIGHT...NW WIND 25 TO 40 KT. SEAS 10 TO 15 FT.
.SUN THROUGH MON...NW WIND 20 TO 35 KT. SEAS 8 TO 13 FT.
.TUE...N WIND 10 TO 25 KT. SEAS 3 TO 7 FT.

$$

PKZ413-171300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
308 PM AKDT THU APR 16 2015

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

.TONIGHT...E WIND 15 TO 30 KT. SEAS 6 TO 11 FT.
.FRI...NE WIND 20 TO 35 KT. SEAS 8 TO 13 FT.
.FRI NIGHT...N WIND 20 TO 35 KT. SEAS 9 TO 15 FT. FREEZING SPRAY
AFTER MIDNIGHT.
.SAT...N WIND 20 TO 35 KT. SEAS 10 TO 18 FT.
.SAT NIGHT...NW WIND 20 TO 35 KT. SEAS 10 TO 17 FT.
.SUN THROUGH MON...NW WIND 25 TO 35 KT. SEAS 10 TO 15 FT.
.TUE...NW WIND 10 TO 20 KT. SEAS 5 TO 9 FT.

$$

PKZ414-171300-
BERING SEA OFFSHORE EAST OF 171W-
308 PM AKDT THU APR 16 2015

...GALE WARNING FRIDAY AND FRIDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH FRIDAY NIGHT...

.TONIGHT...NE WIND 15 TO 30 KT. SEAS 5 TO 10 FT. HEAVY FREEZING
SPRAY ALONG THE ICE EDGE AFTER MIDNIGHT
.FRI...NE WIND 25 TO 35 KT. SEAS 6 TO 12 FT. HEAVY FREEZING SPRAY
ALONG THE ICE EDGE
.FRI NIGHT...N WIND 30 TO 40 KT. SEAS 12 TO 18 FT. SNOW AND RAIN.
HEAVY FREEZING SPRAY ALONG THE ICE EDGE
.SAT...N WIND 30 TO 45 KT. SEAS 12 TO 19 FT.
.SAT NIGHT...NW WIND 30 TO 40 KT. SEAS 10 TO 18 FT.
.SUN...W WIND 25 TO 40 KT. SEAS 10 TO 15 FT.
.MON...SW WIND 10 TO 25 KT. SEAS 7 TO 12 FT.
.TUE...NW WIND UP TO 15 KT. SEAS 5 TO 9 FT.

$$
8 follow-up statements
107 
FZAK62 PAFC 171123
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
323 AM AKDT FRI APR 17 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.

PKZ499-180115-
323 AM AKDT FRI APR 17 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 982 MB LOW NEAR 48N 171W WILL MOVE TO 50N 166W AT 975 MB LATE
FRI NIGHT...THEN MOVE TO 56N 158W AT 979 MB LATE SAT NIGHT.

$$

PKZ411-180115-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
323 AM AKDT FRI APR 17 2015

.TODAY...N TO E WIND 10 TO 25 KT. SEAS 6 TO 9 FT. SNOW SHOWERS.
FREEZING SPRAY W OF 175E.
.TONIGHT...N TO E WIND 10 TO 25 KT. SEAS 10 FT. FREEZING SPRAY.
.SAT...N TO E WIND 15 TO 25 KT. SEAS 7 TO 10 FT. FREEZING SPRAY.
.SAT NIGHT...NW WIND 10 TO 25 KT. SEAS 5 TO 10 FT.
.SUN THROUGH MON...NW WIND 15 TO 30 KT. SEAS 9 FT.
.TUE...W WIND UP TO 20 KT. SEAS 4 TO 9 FT.

$$

PKZ412-180115-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
323 AM AKDT FRI APR 17 2015

...GALE WARNING TONIGHT AND SATURDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY...

.TODAY...NE WIND 20 TO 30 KT. SEAS 6 TO 10 FT. HEAVY FREEZING
SPRAY N OF 57N.
.TONIGHT...NE WIND 25 TO 40 KT. SEAS 8 TO 14 FT. HEAVY FREEZING
SPRAY.
.SAT...N WIND 25 TO 40 KT. SEAS 8 TO 14 FT. HEAVY FREEZING SPRAY.
.SAT NIGHT...NW WIND 20 TO 35 KT. SEAS 4 TO 9 FT.
.SUN THROUGH TUE...N WIND 15 TO 30 KT. SEAS 4 TO 9 FT.

$$

PKZ413-180115-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
323 AM AKDT FRI APR 17 2015

...GALE WARNING THROUGH SATURDAY...

.TODAY...NE WIND 25 KT BECOMING 25 TO 35 KT IN THE AFTERNOON.
SEAS 9 TO 14 FT. FREEZING SPRAY N OF 55 N.
.TONIGHT...NE WIND 25 TO 40 KT. SEAS 10 TO 17 FT. FREEZING SPRAY.
.SAT...N WIND 25 TO 40 KT. SEAS 11 TO 18 FT. FREEZING SPRAY.
.SAT NIGHT...NW WIND 20 TO 35 KT. SEAS 9 TO 17 FT.
.SUN THROUGH TUE...NW WIND 15 TO 30 KT. SEAS 7 TO 12 FT.

$$

PKZ414-180115-
BERING SEA OFFSHORE EAST OF 171W-
323 AM AKDT FRI APR 17 2015

...GALE WARNING THROUGH SATURDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY...

.TODAY...NE WIND 25 TO 35 KT. SEAS 6 TO 14 FT. HEAVY FREEZING
SPRAY ALONG THE ICE EDGE.
.TONIGHT...N WIND 30 TO 40 KT. SEAS 8 TO 16 FT. SNOW. HEAVY
FREEZING SPRAY ALONG THE ICE EDGE.
.SAT...N WIND 30 TO 45 KT. SEAS 12 TO 20 FT. SNOW AND RAIN. HEAVY
FREEZING SPRAY ALONG THE ICE EDGE.
.SAT NIGHT...NW WIND 30 TO 45 KT. SEAS 7 TO 12 FT.
.SUN THROUGH MON...SW WIND 25 TO 40 KT. SEAS 5 TO 10 FT.
.TUE...NW WIND UP TO 15 KT. SEAS 3 TO 7 FT.

$$
608 
FZAK62 PAFC 171532 AAA
OFFALU

OFFSHORE WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE ANCHORAGE AK
732 AM AKDT FRI APR 17 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.

UPDATED 412 AND 414

PKZ499-180315-
732 AM AKDT FRI APR 17 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 982 MB LOW NEAR 48N 171W WILL MOVE TO 50N 166W AT 975 MB LATE
FRI NIGHT...THEN MOVE TO 56N 158W AT 979 MB LATE SAT NIGHT.

$$

PKZ411-180315-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
732 AM AKDT FRI APR 17 2015

.TODAY...N TO E WIND 10 TO 25 KT. SEAS 6 TO 9 FT. SNOW SHOWERS.
FREEZING SPRAY W OF 175E. 
.TONIGHT...N TO E WIND 10 TO 25 KT. SEAS 10 FT. FREEZING SPRAY. 
.SAT...N TO E WIND 15 TO 25 KT. SEAS 7 TO 10 FT. FREEZING SPRAY. 
.SAT NIGHT...NW WIND 10 TO 25 KT. SEAS 5 TO 10 FT. 
.SUN THROUGH MON...NW WIND 15 TO 30 KT. SEAS 9 FT. 
.TUE...W WIND UP TO 20 KT. SEAS 4 TO 9 FT.

$$

PKZ412-180315-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
732 AM AKDT FRI APR 17 2015

UPDATED

...GALE WARNING TONIGHT AND SATURDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY...

.TODAY...NE WIND 20 TO 30 KT. SEAS 6 TO 10 FT. HEAVY FREEZING
SPRAY N OF 57N. 
.TONIGHT...NE WIND 25 TO 40 KT. SEAS 8 TO 14 FT. HEAVY FREEZING
SPRAY. 
.SAT...N WIND 25 TO 40 KT. SEAS 8 TO 14 FT. HEAVY FREEZING SPRAY.
.SAT NIGHT...NW WIND 20 TO 35 KT. SEAS 4 TO 9 FT. 
.SUN THROUGH TUE...NW WIND 15 TO 30 KT. SEAS 4 TO 9 FT.

$$

PKZ413-180315-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
732 AM AKDT FRI APR 17 2015

...GALE WARNING THROUGH SATURDAY...

.TODAY...NE WIND 25 KT BECOMING 25 TO 35 KT IN THE AFTERNOON.
SEAS 9 TO 14 FT. FREEZING SPRAY N OF 55 N. 
.TONIGHT...NE WIND 25 TO 40 KT. SEAS 10 TO 17 FT. FREEZING SPRAY.
.SAT...N WIND 25 TO 40 KT. SEAS 11 TO 18 FT. FREEZING SPRAY. 
.SAT NIGHT...NW WIND 20 TO 35 KT. SEAS 9 TO 17 FT. 
.SUN THROUGH TUE...NW WIND 15 TO 30 KT. SEAS 7 TO 12 FT.

$$

PKZ414-180315-
BERING SEA OFFSHORE EAST OF 171W-
732 AM AKDT FRI APR 17 2015

UPDATED

...GALE WARNING THROUGH SATURDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY...

.TODAY...NE WIND 25 TO 35 KT. SEAS 6 TO 14 FT. HEAVY FREEZING
SPRAY ALONG THE ICE EDGE. 
.TONIGHT...N WIND 30 TO 40 KT. SEAS 8 TO 16 FT. SNOW. HEAVY
FREEZING SPRAY ALONG THE ICE EDGE. 
.SAT...N WIND 30 TO 45 KT. SEAS 12 TO 20 FT. SNOW AND RAIN. HEAVY
FREEZING SPRAY ALONG THE ICE EDGE. 
.SAT NIGHT...NW WIND 30 TO 45 KT. SEAS 7 TO 12 FT. 
.SUN THROUGH MON...W WIND 25 TO 35 KT. SEAS 5 TO 10 FT.
.TUE...NW WIND UP TO 15 KT. SEAS 3 TO 7 FT.

$$
704 
FZAK62 PAFC 172029 AAB
OFFALU

OFFSHORE WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE ANCHORAGE AK
1229 PM AKDT FRI APR 17 2015

UPDATED 414

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.

PKZ499-180330-
1229 PM AKDT FRI APR 17 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 982 MB LOW NEAR 48N 171W WILL MOVE TO 50N 166W AT 975 MB LATE
FRI NIGHT...THEN MOVE TO 56N 158W AT 979 MB LATE SAT NIGHT.

$$

PKZ411-180330-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
1229 PM AKDT FRI APR 17 2015

.TODAY...N TO E WIND 10 TO 25 KT. SEAS 6 TO 9 FT. SNOW SHOWERS.
FREEZING SPRAY W OF 175E.  
.TONIGHT...N TO E WIND 10 TO 25 KT. SEAS 10 FT. FREEZING SPRAY.  
.SAT...N TO E WIND 15 TO 25 KT. SEAS 7 TO 10 FT. FREEZING SPRAY. 
.SAT NIGHT...NW WIND 10 TO 25 KT. SEAS 5 TO 10 FT.  
.SUN THROUGH MON...NW WIND 15 TO 30 KT. SEAS 9 FT.  
.TUE...W WIND UP TO 20 KT. SEAS 4 TO 9 FT.

$$

PKZ412-180330-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
1229 PM AKDT FRI APR 17 2015

...GALE WARNING TONIGHT AND SATURDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY...

.TODAY...NE WIND 20 TO 30 KT. SEAS 6 TO 10 FT. HEAVY FREEZING
SPRAY N OF 57N.  
.TONIGHT...NE WIND 25 TO 40 KT. SEAS 8 TO 14 FT. HEAVY FREEZING
SPRAY.  
.SAT...N WIND 25 TO 40 KT. SEAS 8 TO 14 FT. HEAVY FREEZING SPRAY.
.SAT NIGHT...NW WIND 20 TO 35 KT. SEAS 4 TO 9 FT.  
.SUN THROUGH TUE...NW WIND 15 TO 30 KT. SEAS 4 TO 9 FT.

$$

PKZ413-180330-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
1229 PM AKDT FRI APR 17 2015

...GALE WARNING THROUGH SATURDAY...

.TODAY...NE WIND 25 KT BECOMING 25 TO 35 KT IN THE AFTERNOON.
SEAS 9 TO 14 FT. FREEZING SPRAY N OF 55 N.  
.TONIGHT...NE WIND 25 TO 40 KT. SEAS 10 TO 17 FT. FREEZING SPRAY.
.SAT...N WIND 25 TO 40 KT. SEAS 11 TO 18 FT. FREEZING SPRAY.  
.SAT NIGHT...NW WIND 20 TO 35 KT. SEAS 9 TO 17 FT.  
.SUN THROUGH TUE...NW WIND 15 TO 30 KT. SEAS 7 TO 12 FT.

$$

PKZ414-180330-
BERING SEA OFFSHORE EAST OF 171W-
1229 PM AKDT FRI APR 17 2015

UPDATED

...GALE WARNING THROUGH SATURDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY...

.TODAY...NE WIND 25 TO 40 KT. SEAS 10 TO 20 FT. HEAVY FREEZING
SPRAY ALONG THE ICE EDGE.
.TONIGHT...N WIND 30 TO 40 KT. SEAS 15 TO 24 FT. SNOW. HEAVY
FREEZING SPRAY ALONG THE ICE EDGE.
.SAT...N WIND 30 TO 45 KT. SEAS 12 TO 20 FT. SNOW AND RAIN. HEAVY
FREEZING SPRAY ALONG THE ICE EDGE.  
.SAT NIGHT...NW WIND 30 TO 45 KT. SEAS 7 TO 12 FT.  
.SUN THROUGH MON...W WIND 25 TO 35 KT. SEAS 5 TO 10 FT. 
.TUE...NW WIND UP TO 15 KT. SEAS 3 TO 7 FT.

$$
181 
FZAK62 PAFC 172302
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
302 PM AKDT FRI APR 17 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.

PKZ499-181315-
302 PM AKDT FRI APR 17 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 976 MB LOW NEAR 50N 168W WILL SLOWLY WEAKEN TO 982 MB NEAR 56N
157W LATE SAT NIGHT BEFORE MOVING INLAND OVER THE ALASKA PENINSULA.

$$

PKZ411-181315-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
302 PM AKDT FRI APR 17 2015

.TONIGHT...N TO E WIND 10 TO 25 KT. SEAS 9 FT. FREEZING SPRAY.
.SAT...NE WIND 10 TO 20 KT. SEAS 7 TO 10 FT. FREEZING SPRAY.
.SAT NIGHT...NW WIND UP TO 15 KT BECOMING W 10 TO 25 KT AFTER
MIDNIGHT. SEAS 5 TO 10 FT. FREEZING SPRAY.
.SUN...NW WIND 20 TO 30 KT. SEAS 7 TO 10 FT.
.SUN NIGHT...NW WIND 30 KT. SEAS 9 FT.
.MON...NW WIND 20 TO 30 KT. SEAS 10 FT.
.TUE...SW WIND UP TO 20 KT. SEAS 4 TO 9 FT.
.WED...E WIND UP TO 20 KT. SEAS 6 TO 10 FT.

$$

PKZ412-181315-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
302 PM AKDT FRI APR 17 2015

...GALE WARNING THROUGH SATURDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...NE WIND 20 TO 35 KT. SEAS 10 TO 17 FT. HEAVY FREEZING
SPRAY.
.SAT...N WIND 25 TO 40 KT. SEAS 12 TO 19 FT. HEAVY FREEZING
SPRAY.
.SAT NIGHT...NW WIND 25 TO 40 KT. SEAS 9 TO 16 FT. HEAVY FREEZING
SPRAY.
.SUN...NW WIND 25 TO 35 KT. SEAS 5 TO 10 FT.
.SUN NIGHT...W WIND 20 TO 35 KT. SEAS 3 TO 8 FT.
.MON THROUGH TUE...NW WIND 15 TO 30 KT. SEAS 3 TO 8 FT.
.WED...SE WIND 10 TO 20 KT. SEAS 3 TO 8 FT.

$$

PKZ413-181315-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
302 PM AKDT FRI APR 17 2015

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...NE WIND 25 TO 40 KT. SEAS 12 TO 20 FT. FREEZING SPRAY.
.SAT...N WIND 25 TO 40 KT. SEAS 13 TO 21 FT. FREEZING SPRAY.
.SAT NIGHT...NW WIND 20 TO 35 KT. SEAS 11 TO 19 FT. FREEZING SPRAY.
.SUN...W WIND 20 TO 30 KT. SEAS 8 TO 13 FT.
.SUN NIGHT...W WIND 30 KT. SEAS 10 FT.
.MON THROUGH TUE...W WIND 15 TO 30 KT. SEAS 5 TO 10 FT.
.WED...S WIND 10 TO 25 KT. SEAS 6 TO 9 FT.

$$

PKZ414-181315-
BERING SEA OFFSHORE EAST OF 171W-
302 PM AKDT FRI APR 17 2015

...GALE WARNING THROUGH SATURDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...N WIND 30 TO 40 KT. SEAS 16 TO 25 FT. SNOW SHOWERS.
HEAVY FREEZING SPRAY N OF 56N.
.SAT...N WIND 30 TO 45 KT. SEAS 18 TO 24 FT. SNOW. HEAVY FREEZING
SPRAY N OF 56N.
.SAT NIGHT...NW WIND 30 TO 45 KT. SEAS 15 TO 22 FT. SNOW. HEAVY
FREEZING SPRAY N OF 56N.
.SUN...W WIND 25 TO 40 KT. SEAS 7 TO 12 FT.
.SUN NIGHT...W WIND 15 TO 30 KT. SEAS 4 TO 9 FT.
.MON THROUGH TUE...W WIND 15 TO 30 KT. SEAS 3 TO 8 FT.
.WED...S WIND UP TO 20 KT. SEAS 3 TO 6 FT.

$$
247 
FZAK62 PAFC 181128
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
328 AM AKDT SAT APR 18 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.

PKZ499-190115-
328 AM AKDT SAT APR 18 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 976 MB LOW NEAR 50N 165W WILL MOVE TO 57N 159W AT 979 MB LATE
SAT NIGHT BEFORE MOVING INLAND OVER SOUTHWEST ALASKA.

$$

PKZ411-190115-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
328 AM AKDT SAT APR 18 2015

.TODAY...N TO E WIND 10 TO 20 KT. SEAS 7 TO 10 FT. FREEZING SPRAY
IN THE MORNING.
.TONIGHT...NW WIND UP TO 15 KT BECOMING 15 TO 25 KT AFTER
MIDNIGHT. SEAS 6 TO 10 FT. FREEZING SPRAY AFTER MIDNIGHT.
.SUN...NW WIND 20 TO 30 KT. SEAS 8 FT. FREEZING SPRAY.
.SUN NIGHT...NW WIND 20 TO 30 KT. SEAS 8 FT.
.MON...NW WIND 20 TO 30 KT. SEAS 9 FT.
.TUE...SW WIND UP TO 20 KT. SEAS 4 TO 9 FT.
.WED...E WIND UP TO 20 KT. SEAS 6 TO 11 FT.

$$

PKZ412-190115-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
328 AM AKDT SAT APR 18 2015

...GALE WARNING THROUGH SUNDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TODAY...N WIND 20 TO 35 KT. SEAS 6 TO 12 FT. HEAVY FREEZING
SPRAY.
.TONIGHT...N TO W WIND 25 TO 40 KT. SEAS 6 TO 14 FT. HEAVY
FREEZING SPRAY.
.SUN...NW WIND 25 TO 35 KT. SEAS 6 TO 10 FT. SNOW SHOWERS. HEAVY
FREEZING SPRAY NEAR THE ICE EDGE.
.SUN NIGHT...W WIND 25 TO 35 KT. SEAS 3 TO 8 FT.
.MON THROUGH TUE...NW WIND 15 TO 30 KT. SEAS 3 TO 8 FT.
.WED...SE WIND 10 TO 20 KT. SEAS 3 TO 8 FT.

$$

PKZ413-190115-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
328 AM AKDT SAT APR 18 2015

...GALE WARNING THROUGH TONIGHT...

.TODAY...N WIND 20 TO 35 KT. SEAS 11 TO 16 FT. FREEZING SPRAY.
.TONIGHT...NW WIND 20 TO 35 KT. SEAS 9 TO 15 FT. FREEZING SPRAY N
OF 55N.
.SUN...W WIND 20 TO 30 KT. SEAS 8 TO 11 FT. FREEZING SPRAY N
OF 55N.
.SUN NIGHT...W WIND 30 KT. SEAS 10 FT.
.MON THROUGH TUE...W WIND 15 TO 30 KT. SEAS 6 TO 9 FT.
.WED...S WIND 10 TO 25 KT. SEAS 5 TO 10 FT.

$$

PKZ414-190115-
BERING SEA OFFSHORE EAST OF 171W-
328 AM AKDT SAT APR 18 2015

...GALE WARNING THROUGH SUNDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TODAY...N WIND 30 TO 45 KT. SEAS 8 TO 16 FT. SNOW. HEAVY
FREEZING SPRAY N OF 56N.
.TONIGHT...NW WIND 30 TO 45 KT. SEAS 8 TO 16 FT. SNOW. HEAVY
FREEZING SPRAY N OF 56N.
.SUN...W WIND 25 TO 40 KT. SEAS 8 TO 14 FT. SNOW. HEAVY FREEZING
SPRAY N OF 56N.
.SUN NIGHT...W WIND 15 TO 30 KT. SEAS 4 TO 9 FT.
.MON THROUGH TUE...W WIND 15 TO 30 KT. SEAS 3 TO 8 FT.
.WED...S WIND UP TO 20 KT. SEAS 3 TO 7 FT.

$$
306 
FZAK62 PAFC 181531 AAA
OFFALU

OFFSHORE WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE ANCHORAGE AK
731 AM AKDT SAT APR 18 2015

UPDATED 413 414

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.

PKZ499-190330-
731 AM AKDT SAT APR 18 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 976 MB LOW NEAR 50N 165W WILL MOVE TO 57N 159W AT 979 MB LATE
SAT NIGHT BEFORE MOVING INLAND OVER SOUTHWEST ALASKA.

$$

PKZ411-190330-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
731 AM AKDT SAT APR 18 2015

.TODAY...N TO E WIND 10 TO 20 KT. SEAS 7 TO 10 FT. FREEZING SPRAY
IN THE MORNING. 
.TONIGHT...NW WIND UP TO 15 KT BECOMING 15 TO 25 KT AFTER
MIDNIGHT. SEAS 6 TO 10 FT. FREEZING SPRAY AFTER MIDNIGHT. 
.SUN...NW WIND 20 TO 30 KT. SEAS 8 FT. FREEZING SPRAY. 
.SUN NIGHT...NW WIND 20 TO 30 KT. SEAS 8 FT. 
.MON...NW WIND 20 TO 30 KT. SEAS 9 FT. 
.TUE...SW WIND UP TO 20 KT. SEAS 4 TO 9 FT. 
.WED...E WIND UP TO 20 KT. SEAS 6 TO 11 FT.

$$

PKZ412-190330-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
731 AM AKDT SAT APR 18 2015

...GALE WARNING THROUGH SUNDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TODAY...N WIND 20 TO 35 KT. SEAS 6 TO 12 FT. HEAVY FREEZING
SPRAY. 
.TONIGHT...N TO W WIND 25 TO 40 KT. SEAS 6 TO 14 FT. HEAVY
FREEZING SPRAY. 
.SUN...NW WIND 25 TO 35 KT. SEAS 6 TO 10 FT. SNOW SHOWERS. HEAVY
FREEZING SPRAY NEAR THE ICE EDGE. 
.SUN NIGHT...W WIND 25 TO 35 KT. SEAS 3 TO 8 FT. 
.MON THROUGH TUE...NW WIND 15 TO 30 KT. SEAS 3 TO 8 FT. 
.WED...SE WIND 10 TO 20 KT. SEAS 3 TO 8 FT.

$$

PKZ413-190330-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
731 AM AKDT SAT APR 18 2015

UPDATED

...GALE WARNING THROUGH TONIGHT...

.TODAY...N WIND 20 TO 35 KT. SEAS 12 TO 20 FT...HIGHEST EAST.
FREEZING SPRAY.
.TONIGHT...NW WIND 20 TO 35 KT. SEAS 9 TO 15 FT. FREEZING SPRAY N
OF 55N. 
.SUN...W WIND 20 TO 30 KT. SEAS 8 TO 11 FT. FREEZING SPRAY N OF
55N. 
.SUN NIGHT...W WIND 30 KT. SEAS 10 FT. 
.MON THROUGH TUE...W WIND 15 TO 30 KT. SEAS 6 TO 9 FT. 
.WED...S WIND 10 TO 25 KT. SEAS 5 TO 10 FT.

$$

PKZ414-190330-
BERING SEA OFFSHORE EAST OF 171W-
731 AM AKDT SAT APR 18 2015

UPDATED

...GALE WARNING THROUGH SUNDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TODAY...N WIND 30 TO 45 KT. SEAS 14 TO 24 FT...HIGHEST SOUTH.
SNOW. HEAVY FREEZING SPRAY N OF 56N.
.TONIGHT...NW WIND 30 TO 45 KT. SEAS 12 TO 22 FT...HIGHEST SOUTH.
SNOW. HEAVY FREEZING SPRAY N OF 56N.
.SUN...W WIND 25 TO 40 KT. SEAS 8 TO 14 FT. SNOW. HEAVY FREEZING
SPRAY N OF 56N. 
.SUN NIGHT...W WIND 15 TO 30 KT. SEAS 4 TO 9 FT. 
.MON THROUGH TUE...W WIND 15 TO 30 KT. SEAS 3 TO 8 FT. 
.WED...S WIND UP TO 20 KT. SEAS 3 TO 7 FT.

$$
382 
FZAK62 PAFC 182257
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
257 PM AKDT SAT APR 18 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.

PKZ499-191315-
257 PM AKDT SAT APR 18 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 977 MB LOW NEAR 53N 162W WILL WEAKEN TO 981 MB NEAR 56N 158W
LATE TONIGHT BEFORE MOVING INLAND OVER THE ALASKA PENINSULA. A
COMPLEX LOW WITH MULTIPLE CENTERS WILL FORM OVER THE NORTHERN
BERING SUN MORNING AND PERSIST THROUGH MON AFTERNOON.

$$

PKZ411-191315-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
257 PM AKDT SAT APR 18 2015

.TONIGHT...NW WIND 10 TO 25 KT. SEAS 7 TO 10 FT. FREEZING SPRAY
AFTER MIDNIGHT.
.SUN AND SUN NIGHT...NW WIND 20 TO 30 KT. SEAS 9 FT. FREEZING SPRAY.
.MON...NW WIND 20 TO 30 KT. SEAS 10 FT.
.MON NIGHT...NW WIND 20 TO 30 KT. SEAS 8 TO 11 FT.
.TUE THROUGH WED...SW WIND 15 TO 30 KT. SEAS 7 TO 12 FT.
.THU...NW WIND 10 TO 20 KT. SEAS 9 TO 14 FT.

$$

PKZ412-191315-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
257 PM AKDT SAT APR 18 2015

...GALE WARNING TONIGHT AND SUNDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TONIGHT...NW WIND 25 TO 40 KT. SEAS 9 TO 14 FT. HEAVY FREEZING
SPRAY.
.SUN...NW WIND 20 TO 30 KT. SEAS 6 TO 10 FT. SNOW SHOWERS. HEAVY
FREEZING SPRAY.
.SUN NIGHT...W WIND 20 TO 35 KT. SEAS 7 TO 10 FT. SNOW. FREEZING
SPRAY.
.MON...NW WIND 20 TO 30 KT. SEAS 3 TO 8 FT.
.MON NIGHT...NW WIND 10 TO 25 KT. SEAS 3 TO 7 FT.
.TUE...W WIND 10 TO 25 KT. SEAS 3 TO 7 FT.
.WED...S WIND 10 TO 25 KT. SEAS 3 TO 8 FT.
.THU...NE WIND UP TO 15 KT. SEAS 4 TO 9 FT.

$$

PKZ413-191315-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
257 PM AKDT SAT APR 18 2015

...GALE WARNING TONIGHT...

.TONIGHT...NW WIND 20 TO 35 KT. SEAS 9 TO 17 FT. SNOW SHOWERS. FREEZING
SPRAY N OF 55N.
.SUN...W WIND 15 TO 30 KT. SEAS 8 TO 12 FT. SNOW SHOWERS. FREEZING
SPRAY N OF 55N.
.SUN NIGHT...W WIND 30 KT. SEAS 10 FT. SNOW SHOWERS.
.MON...W WIND 20 TO 30 KT. SEAS 8 TO 11 FT.
.MON NIGHT...NW WIND 25 KT. SEAS 7 TO 10 FT.
.TUE THROUGH WED...SW WIND 15 TO 30 KT. SEAS 8 TO 13 FT.
.THU...W WIND 10 TO 25 KT. SEAS 9 TO 14 FT.

$$

PKZ414-191315-
BERING SEA OFFSHORE EAST OF 171W-
257 PM AKDT SAT APR 18 2015

...GALE WARNING THROUGH SUNDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TONIGHT...NW WIND 30 TO 45 KT. SEAS 12 TO 22 FT...HIGHEST SOUTH.
SNOW SHOWERS. HEAVY FREEZING SPRAY N OF 56N.
.SUN...NW WIND 25 TO 40 KT. SEAS 12 TO 20 FT. SNOW SHOWERS. HEAVY
FREEZING SPRAY N OF 56N.
.SUN NIGHT...W WIND 20 TO 35 KT. SEAS 9 TO 12 FT. SNOW. FREEZING
SPRAY N OF 56N.
.MON...W WIND 15 TO 30 KT. SEAS 4 TO 9 FT.
.MON NIGHT...SW WIND 15 TO 25 KT. SEAS 3 TO 7 FT.
.TUE...W WIND UP TO 20 KT. SEAS 3 TO 6 FT.
.WED THROUGH THU...S WIND 10 TO 25 KT. SEAS 3 TO 8 FT.

$$
931 
FZAK62 PAFC 191113
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
313 AM AKDT SUN APR 19 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.

PKZ499-200115-
313 AM AKDT SUN APR 19 2015
.SYNOPSIS FOR CENTRAL BERING SEA...
A 981 MB LOW AT 56N 158W WILL WEAKEN AND MOVE INLAND OVER THE
ALASKA PENINSULA TODAY. A 983 MB LOW NEAR 63N 169W WILL MOVE TO
61N 174W AT 987 MB LATE SUN NIGHT THEN MOVE TO 61N 168W AT 994 MB
LATE MON NIGHT.

$$

PKZ411-200115-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
313 AM AKDT SUN APR 19 2015

.TODAY...NW WIND 20 TO 30 KT. SEAS 9 FT. FREEZING SPRAY.
.TONIGHT...NW WIND 30 KT. SEAS 9 FT. FREEZING SPRAY N OF 56N.
.MON...NW WIND 30 KT. SEAS 11 FT.
.MON NIGHT...NW WIND 20 TO 30 KT. SEAS 9 TO 12 FT.
.TUE THROUGH WED...SW WIND 15 TO 30 KT. SEAS 7 TO 12 FT.
.THU...NW WIND 10 TO 20 KT. SEAS 9 TO 14 FT.

$$

PKZ412-200115-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
313 AM AKDT SUN APR 19 2015

...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...NW WIND 20 TO 30 KT. SEAS 5 TO 10 FT. SNOW SHOWERS.
HEAVY FREEZING SPRAY NEAR THE ICE EDGE.
.TONIGHT...NW WIND 20 TO 30 KT. SEAS 5 TO 10 FT. SNOW SHOWERS.
FREEZING SPRAY.
.MON...W WIND 20 TO 30 KT. SEAS 6 TO 11 FT.
.MON NIGHT...NW WIND 15 TO 30 KT. SEAS 6 TO 10 FT.
.TUE...W WIND 10 TO 25 KT. SEAS 3 TO 7 FT.
.WED...S WIND 10 TO 25 KT. SEAS 3 TO 8 FT.
.THU...NE WIND UP TO 15 KT. SEAS 4 TO 9 FT.

$$

PKZ413-200115-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
313 AM AKDT SUN APR 19 2015

.TODAY...W WIND 15 TO 30 KT. SEAS 8 TO 11 FT. SNOW SHOWERS.
.TONIGHT...W WIND 20 TO 30 KT. SEAS 10 FT. SNOW SHOWERS.
.MON...W WIND 25 KT. SEAS 9 FT.
.MON NIGHT...NW WIND 20 TO 30 KT. SEAS 8 TO 11 FT.
.TUE THROUGH WED...SW WIND 15 TO 30 KT. SEAS 8 TO 13 FT.
.THU...W WIND 10 TO 25 KT. SEAS 9 TO 14 FT.

$$

PKZ414-200115-
BERING SEA OFFSHORE EAST OF 171W-
313 AM AKDT SUN APR 19 2015

...GALE WARNING THROUGH TONIGHT...
...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...W WIND 25 TO 40 KT. SEAS 10 TO 18 FT. SNOW SHOWERS.
HEAVY FREEZING SPRAY N OF 57N.
.TONIGHT...W WIND 20 TO 35 KT. SEAS 9 TO 14 FT. SNOW SHOWERS.
FREEZING SPRAY NEAR THE ICE EDGE.
.MON...SW WIND 15 TO 30 KT. SEAS 5 TO 10 FT. SNOW SHOWERS.
FREEZING SPRAY NEAR THE ICE EDGE.
.MON NIGHT...W WIND 10 TO 25 KT. SEAS 3 TO 8 FT.
.TUE...W WIND UP TO 20 KT. SEAS 3 TO 6 FT.
.WED THROUGH THU...S WIND 10 TO 25 KT. SEAS 3 TO 8 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 Apr 16, 5:22 AM AKDT, 9 hours 46 minutes earlier.

Area forecast discussion, Apr 16, 5:22 AM AKDT, 9 hours 46 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
522 AM AKDT THU APR 16 2015

.ANALYSIS AND UPPER LEVELS...

UPPER LEVEL TROUGHING CONTINUES TO BE THE DOMINANT MODE AS THE
REGION REMAINS ENCOMPASSED BY A BROAD UPPER LEVEL JET STREAM. THE
MAIN FEATURES OF INTEREST WITHIN THIS BROAD TROUGH INCLUDE A
WEAKENING SHORTWAVE TROUGH MOVING INLAND OVER SOUTHCENTRAL THIS
MORNING...AND ANOTHER TRAILING WEAK NEGATIVE TILT TROUGH
STRETCHING FROM NUNIVAK ISLAND TO KODIAK ISLAND. A MORE DEFINED
POTENTIAL VORTICITY ANOMALY CAN BE SEEN ON WATER VAPOR SATELLITE
IMAGERY ALONG THE NORTH PACIFIC JET STREAM TRACKING SOUTH OF THE
CENTRAL ALEUTIANS. FINALLY...A SHORTWAVE TROUGH SOUTH OF KAMCHATKA
CAN BE SEEN RAPIDLY MOVING EAST AS IT ENCOUNTERS THE BROADER UPPER
TROUGH OVER THE BERING SEA. EVENTUALLY...A WARM FRONT ASSOCIATED
WITH THE LOW SOUTH OF THE ALEUTIAN CHAIN WILL DEVELOP INTO A
STRONGER SURFACE LOW WHICH WILL EVENTUALLY TRACK INTO THE EASTERN
BERING SEA OVER THE WEEKEND...BRINGING ACTIVE WEATHER TO SOUTHERN
ALASKA AND THE BERING SEA/ALEUTIANS THROUGH THE WEEKEND.

&&

.MODEL DISCUSSION...

THE MODELS ARE IN GOOD SHORT TERM AGREEMENT...AND VERY GOOD
OVERALL AGREEMENT WITH THE GENERAL PATTERN THROUGH THE WEEKEND. IN
THE SHORTER TERM...THE MODELS DIVERGE WITH PRECIPITATION PATTERNS
ACROSS SOUTHCENTRAL LATE TODAY INTO TONIGHT AS A SECONDARY TROUGH
AXIS MOVES THROUGH. THE PATTERN IS CONDUCIVE TO MORE LOCAL SCALE
PRECIPITATION PATTERNS...AND THAT WILL LEND SOME UNCERTAINTY FROM
THE KENAI PENINSULA NORTHWARD TO ANCHORAGE. AS A RESULT...A
BLENDED AND MORE CONSERVATIVE APPROACH WILL BE USED FOR THIS
MORNING. LATER ON...THE NUMERICAL GUIDANCE BEGINS TO DIVERGE WITH
MORE NOTABLE FEATURES AS EARLY AS LATE FRIDAY AS A STRONG LOW
MOVES FROM THE NORTH PACIFIC INTO THE EASTERN BERING SEA. THE
GENERAL TRACK...SPEED...AND INTENSITY OF THE LOW RESULT IN GREATER
UNCERTAINTY WITH RESPECT TO IMPACTS AND PRECIPITATION
PATTERNS...ESPECIALLY LATE FRIDAY AND SATURDAY. THE LARGEST
UNCERTAINTY IS ACROSS THE BERING SEA AND EASTERN ALEUTIANS WITH
THE PLACEMENT OF POTENTIAL HEAVY SNOW ACROSS THE EASTERN BERING
AND SOUTHWEST COAST. THE EXTREMES IN MODEL SOLUTIONS ARE THE GFS
AND ECMWF...WITH THE FORMER MUCH FARTHER EAST AND FASTER WITH THE
LOW TRACK. AS A RESULT...A BLENDED APPROACH FAVORING THE FASTER
AND FARTHER EAST GFS WAS USED...BUT THE OTHER EXTREME...THE
ECMWF...WAS ALSO CONSIDERED BUT IN SMALLER PROPORTIONS.

&&

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

RAIN AND SNOW SHOWERS WILL REMAIN A FORECAST CHALLENGE THROUGH
TONIGHT AS A WEAK NORTH GULF LOW MOVES INLAND TODAY. THE MOST
WIDESPREAD SHOWERS WILL BE OVER COASTAL LOCATIONS...BUT THERE WILL
BE INCREASING CHANCES FOR INLAND SHOWERS FROM THE KENAI PENINSULA
NORTHWARD AS A SECONDARY UPPER LOW TRACKS IN LATE THIS AFTERNOON
THROUGH TONIGHT. THE MOST FAVORABLE LOCATIONS FOR POTENTIAL
ACCUMULATING SNOW WILL BE ACROSS THE HIGHER TERRAIN OF THE CHUGACH
AND KENAI MOUNTAINS...AND NORTHWARD INTO THE SUSITNA VALLEY.
COLDER AIR BEHIND THE TROUGH WILL ALSO RESULT IN LOWERING SNOW
LEVELS ACROSS COASTAL LOCATIONS AND THE POSSIBILITY FOR SNOW DOWN
TO SEA LEVEL BY THURSDAY NIGHT.

ON FRIDAY...THE UPPER DISTURBANCE WILL TRACK NORTHWARD OUT OF THE
AREA...WITH PRECIPITATION GENERALLY REMAINING OVER THE HIGHER
ELEVATION MOUNTAINS...AND ACROSS COASTAL LOCATIONS. A MUCH MORE
STOUT FRONTAL ZONE WILL BEGIN MOVING INTO THE GULF OF ALASKA
FRIDAY AFTERNOON AND EVENING...BRINGING STEADY RAIN TO KODIAK
ISLAND...AND EVENTUALLY THE NORTHERN GULF COAST.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (DAYS 1 AND 2)...
THROUGH TONIGHT...NORTHERLY FLOW WILL CONTINUE OVER THE SOUTHWEST
MAINLAND AS THE REGION REMAINS UNDER THE INFLUENCE OF THE WEAK
RIDGE OVER THE BERING SEA AND THE BROAD LOW OVER SOUTH CENTRAL
ALASKA. A MIX OF RAIN AND SNOW TODAY WILL BE CONFINED TO THE
INTERIOR SECTIONS OF THE ALEUTIAN RANGE AND THE LOWER KUSKOKWIM
VALLEY. AS THE RIDGE PUSHES EASTWARD...SKIES WILL REMAIN PARTLY
CLOUDY OVER THE COASTAL AREAS. TEMPERATURES TONIGHT WILL REMAIN
BELOW NORMAL FOR MOST OF THE REGION WITH SINGLE DIGIT LOWS
EXPECTED AGAIN ALONG THE UPPER KUSKOKWIM COAST.

AS THE WARM FRONT ASSOCIATED WITH THE LOW CURRENTLY SOUTH OF ADAK
APPROACHES THE REGION FRIDAY MORNING...PRECIPITATION CHANCES WILL
INCREASE ALONG THE ALASKA PENINSULA AS THE FRONT SWINGS NORTHWARD
DURING THE DAY. WINDS WILL ALSO BEGIN TO INCREASE ALONG THE
ALEUTIAN RANGE WITH GUSTS TO 45 MPH BEGINNING FRIDAY AFTERNOON.
TEMPERATURES WILL BEGIN TO WARM TOMORROW AS WARM AIR ADVECTION
STARTS TO PUSH INTO THE REGION WITH THE FRONT.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (DAYS 1 AND 2)...
THE EASTERN BERING SEA AND ALEUTIANS WILL REMAIN UNDER THE
INFLUENCE OF THE RIDGE TODAY WITH GENERALLY LIGHT WINDS OVER MOST
OF THE REGION THIS MORNING. AS THE LOW SOUTH OF THE ALEUTIAN CHAIN
CONTINUES ITS EASTWARD MOVEMENT AND DEEPENS...GALE FORCE WINDS
ARE EXPECTED IN THE COASTAL WATERS IN THE CENTRAL ALEUTIANS SOUTH
OF THE ISLANDS. AS THE FRONT MOVES NORTHWARD THROUGH THE EASTERN
BERING...NORTHERLY WINDS WILL INCREASE OVER THE EASTERN HALF OF
THE BERING SEA AND PRIBILOF ISLANDS. WINDS ARE CURRENTLY EXPECTED
TO INCREASE TO UPPER GALE FORCE BUT AREAS OF STORM FORCE WINDS MAY
BE POSSIBLE OVER THE EASTERN BERING SEA LATE TOMORROW NIGHT.

AS THE NORTHERLY FLOW WILL BRING COLDER AIR INTO THE
REGION...AREAS OF FREEZING SPRAY CAN BE EXPECTED WELL INTO THE
SOUTHERN BERING SEA WITH HEAVY FREEZING SPRAY EXPECTED IN PORTIONS
OF THE NORTHERN BERING.

&&

.LONG TERM FORECAST (DAYS 3 THROUGH 7)...
THE DEEP LOW SOUTH OF THE ALEUTIANS WILL CROSS THE AKPEN SATURDAY
AND MOVE ALONG THE WEST COAST OF THE STATE. THIS WILL BRING IN
CONTINUED WARM AND MOIST SOUTHERLY FLOW TO SOUTHCENTRAL AK INTO
MONDAY WHEN THE SURFACE LOW DISSIPATES. THIS WILL RESULT IN MAINLY
RAIN SHOWERS. ON THE WESTERN SIDE OF THE LOW OVER THE BERING COLD
NORTHERLY FLOW WILL BE ASSOCIATED WITH SNOW SHOWERS. MODEL
GUIDANCE IS IN DECENT AGREEMENT WITH THIS OVERALL SYNOPTIC
PATTERN. HOWEVER...THERE ARE DIFFERENCES WITH HOW ELONGATED THE
LOW BECOMES ALONG THE WEST COAST WHICH WILL IMPACT THE STRENGTH OF
THE WINDS CIRCULATING AROUND THE LOW...ESPECIALLY ON THE SOUTHERN
SIDE NEAR BRISTOL BAY. A MORE CONSOLIDATED LOW CENTER IS THE
PREFERRED CHOICE WITH THIS SYSTEM.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...
 STORMS 130 131
 GALES 119 120 132 136-139 150 155 160 165 170-176 179 180
 HEAVY FREEZING SPRAY 180
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...JA
SOUTHCENTRAL ALASKA...JA
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...RF
LONG TERM...DK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 3:41 AM AKDTHeavy Freezing Spray WarningAFC3 days
Apr 16, 3:43 AM AKDTGale WarningAFC3 days
Apr 16, 3:49 AM AKDTGale WarningAFC3 days
Apr 16, 3:49 AM AKDTSmall Craft AdvisoryAFC11 hr
Apr 16, 3:49 AM AKDTStorm WarningAFC48 hr
Apr 16, 4:03 AM AKDTBrisk Wind AdvisoryAFC12 hr
Apr 16, 4:03 AM AKDTGale WarningAFC4 days
Apr 16, 4:03 AM AKDTSmall Craft AdvisoryAFC4 days
Apr 16, 4:03 AM AKDTHeavy Freezing Spray WarningAFC3 days
Apr 16, 3:05 PM AKDTStorm WarningAFC12 hr
Apr 16, 3:06 PM AKDTGale WarningAFC3 days
Apr 16, 3:06 PM AKDTSmall Craft AdvisoryAFC4 days
Apr 16, 3:06 PM AKDTStorm WarningAFC48 hr
Apr 16, 3:38 PM AKDTGale WarningAFC71 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.