Alert archive / Alaska / Hurricane Force Wind Warnings in 2011

Hurricane Force Wind Warning 16, NWS Anchorage, AK

April 5, 2011

NWS Anchorage, AK issued this hurricane force wind warning at Apr 5, 2011, 4:00 PM AKDT. 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
Apr 5, 2011, 4:00 PM AKDT (00:00 UTC)
Expired
Apr 7, 2011, 4:00 PM AKDT
In force
48 hr
Issued by
NWS Anchorage, AK

The text

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

609 
FZAK62 PAFC 052344
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT TUE APR 5 2011

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.

PKZ499-061500-
400 PM AKDT TUE APR 5 2011
.SYNOPSIS FOR CENTRAL BERING SEA...
A 987 MB LOW AT 50N 177E DEEPENS RAPIDLY TO 940 MB AND MOVES TO 
57N 176W BY WED EVENING. THE LOW BEGINS TO FILL AND MOVES TO 
60N 169W AT 951 MB BY THU AFTERNOON.
$$

PKZ411-061500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT TUE APR 5 2011

...HURRICANE FORCE WIND WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...NE WIND 30 TO 40 KT INCREASING TO NE 50 TO 60 KT 
AFTER MIDNIGHT. SEAS 13 FT BUILDING TO 19 FT AFTER MIDNIGHT. 
SNOW. FREEZING SPRAY. 
.WED...N WIND 55 TO 65 KT. SEAS 27 FT. SNOW. FREEZING SPRAY. 
.WED NIGHT...NW WIND 55 TO 65 KT DIMINISHING TO 40 TO 55 KT 
AFTER MIDNIGHT. SEAS 28 FT. SNOW SHOWERS. FREEZING SPRAY. 
.THU...NW WIND 40 TO 50 KT. SEAS 27 FT. 
.THU NIGHT...NW WIND 30 TO 40 KT. SEAS 23 FT. 
.FRI...SW WIND 25 TO 40 KT. SEAS 18 FT. 
.SAT...W WIND 35 KT. SEAS 17 FT. 
.SUN...N WIND 30 KT. SEAS 17 FT.  

$$

PKZ412-061500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT TUE APR 5 2011

...HURRICANE FORCE WIND WARNING WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING TONIGHT...

.TONIGHT...E WIND 30 TO 45 KT INCREASING TO 50 TO 60 KT AFTER
MIDNIGHT. SEAS 12 FT BUILDING TO 19 FT AFTER MIDNIGHT. SNOW. 
HEAVY FREEZING SPRAY. 
.WED...NE TO SE WIND 50 TO 65 KT. SEAS 23 FT. RAIN AND SNOW. 
FREEZING SPRAY IN THE MORNING. 
.WED NIGHT...E OF 176W...SE WIND 40 TO 55 KT BECOMING SW AFTER
MIDNIGHT. W OF 176W...NW WIND 40 TO 55 KT. SEAS 25 FT. RAIN AND 
SNOW.  
.THU...NW WIND 40 TO 50 KT. SEAS 26 FT. 
.THU NIGHT...NW WIND 35 TO 45 KT. SEAS 26 FT. 
.FRI...NW WIND 30 TO 45 KT. SEAS 25 FT. 
.SAT...S WIND 30 KT. SEAS 12 FT. 
.SUN...N WIND 30 KT. SEAS 14 FT.  

$$

PKZ413-061500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT TUE APR 5 2011

...HURRICANE FORCE WIND WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...E WIND 25 TO 40 KT INCREASING TO S 40 TO 50 KT AFTER
MIDNIGHT. SEAS 17 FT. RAIN AND SNOW. 
.WED...S WIND 45 TO 55 KT BECOMING SW 55 TO 65 KT IN THE AFTERNOON. 
SEAS 22 FT. RAIN.
.WED NIGHT...W WIND 65 KT. SEAS 34 FT. RAIN AND SNOW.
.THU...W WIND 50 TO 60 KT. SEAS 34 FT. 
.THU NIGHT...NW WIND 40 TO 50 KT. SEAS 29 FT. 
.FRI...W WIND 35 TO 45 KT. SEAS 27 FT. 
.SAT...SW WIND 35 KT. SEAS 15 FT. 
.SUN...NW WIND 30 KT. SEAS 17 FT.  

$$

PKZ414-061500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT TUE APR 5 2011

...HURRICANE FORCE WIND WARNING WEDNESDAY NIGHT...

.TONIGHT...E WIND 15 TO 30 KT INCREASING TO 35 TO 45 KT AFTER
MIDNIGHT. SEAS IN ICE FREE WATERS 12 FT. SNOW. FREEZING SPRAY 
NORTH OF 56N. 
.WED...SE WIND 45 TO 55 KT. SEAS IN ICE FREE WATERS 20 FT. 
RAIN AND SNOW. 
.WED NIGHT...S WIND 45 TO 55 KT INCREASING TO 55 TO 65 KT AFTER
MIDNIGHT. SEAS IN ICE FREE WATERS 24 FT BUILDING TO 32 FT AFTER
MIDNIGHT. RAIN AND SNOW. 
.THU...SW WIND 50 TO 60 KT. SEAS IN ICE FREE WATERS 37 FT. 
.THU NIGHT...W WIND 45 KT. SEAS IN ICE FREE WATERS 30 FT. 
.FRI...NW WIND 45 KT. SEAS IN ICE FREE WATERS 27 FT. 
.SAT...SW WIND 30 KT. SEAS IN ICE FREE WATERS 14 FT. 
.SUN...NW WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT.  

$$
5 follow-up statements
229 
FZAK62 PAFC 061157
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT WED APR 6 2011

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.

PKZ499-070300-
400 AM AKDT WED APR 6 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A 966 MB LOW AT 52N 179E DEEPENS RAPIDLY TO 939 MB AND MOVES TO 57N
176W BY WED EVENING. THE LOW BEGINS TO FILL AND MOVES TO 60N 170W AT
950 MB BY THU AFTERNOON. THIS LOW MOVES INLAND BY FRI MORNING.

$$

PKZ411-070300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING THROUGH TONIGHT...

.TODAY...NE WIND 55 TO 65 KT. SEAS 27 FT. SNOW. FREEZING SPRAY. 
.TONIGHT...NW WIND 55 TO 65 KT DIMINISHING TO 45 TO 55 KT AFTER
MIDNIGHT. SEAS 28 FT. SNOW SHOWERS. FREEZING SPRAY. 
.THU...NW WIND 40 TO 50 KT. SEAS 27 FT. FREEZING SPRAY. 
.THU NIGHT...NW WIND 40 KT. SEAS 23 FT. 
.FRI...SW WIND 40 KT. SEAS 18 FT. 
.SAT...W WIND 35 KT. SEAS 17 FT. 
.SUN...NW WIND 35 KT. SEAS 17 FT.  

$$

PKZ412-070300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING TODAY...

.TODAY...NE TO SE WIND 55 TO 65 KT. SEAS 24 FT. SNOW. FREEZING SPRAY.

.TONIGHT...W OF 175W...NE TO NW WIND 40 TO 50 KT. E OF 175W...SE WIND
30 TO 40 KT. SEAS 26 FT. SNOW AND RAIN SHOWERS. 
.THU...SW TO NW WIND 40 TO 50 KT. SEAS 26 FT. SNOW SHOWERS. FREEZING
SPRAY. 
.THU NIGHT THROUGH FRI...NW WIND 45 KT. SEAS 25 FT. 
.SAT...SW WIND 30 KT. SEAS 12 FT. 
.SUN...N WIND 25 KT. SEAS 14 FT.  

$$

PKZ413-070300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING THROUGH TONIGHT...

.TODAY...SE WIND 40 TO 50 KT INCREASING TO SW 55 TO 65 KT IN THE
AFTERNOON. SEAS 23 FT. RAIN.
.TONIGHT...SW WIND 55 TO 65 KT. SEAS BUILDING TO 25 TO 34 FT. RAIN
AND SNOW. 
.THU...W WIND 50 TO 60 KT DIMINISHING TO 45 KT IN THE AFTERNOON. SEAS
34 FT. SNOW SHOWERS. 
.THU NIGHT...NW WIND 45 KT. SEAS 29 FT. 
.FRI...W WIND 40 KT. SEAS 27 FT. 
.SAT...SW WIND 35 KT. SEAS 15 FT. 
.SUN...NW WIND 35 KT. SEAS 19 FT.  

$$

PKZ414-070300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING TONIGHT...

.TODAY...E WIND 40 TO 50 KT BECOMING S 45 TO 55 KT IN THE AFTERNOON.
SEAS IN ICE FREE WATERS 20 FT. RAIN AND SNOW. 
.TONIGHT...S WIND 45 TO 55 KT INCREASING TO 55 TO 65 KT AFTER
MIDNIGHT. SEAS IN ICE FREE WATERS 24 FT BUILDING TO 32 FT AFTER
MIDNIGHT. RAIN AND SNOW. 
.THU...SW WIND 50 TO 60 KT DIMINISHING TO 40 TO 50 KT IN THE
AFTERNOON. SEAS IN ICE FREE WATERS 37 FT. 
.THU NIGHT...W WIND 45 KT. SEAS IN ICE FREE WATERS 25 TO 30 FT. 
.FRI...NW WIND 45 KT. SEAS IN ICE FREE WATERS 25 FT. 
.SAT...SW WIND 30 KT. SEAS IN ICE FREE WATERS 14 FT. 
.SUN...NW WIND 25 KT. SEAS IN ICE FREE WATERS 14 FT.  

$$
627 
FZAK62 PAFC 062300
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT WED APR 6 2011

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.

PKZ499-071500-
400 PM AKDT WED APR 6 2011
.SYNOPSIS FOR CENTRAL BERING SEA...
A 937 MB LOW AT 56N 179W WILL MOVE TO 60N 169W AT 950 MB THU
AFTERNOON. THE LOW WILL THEN MOVE TO 62N 162W AT 978 MB FRI
AFTERNOON.
$$

PKZ411-071500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH THURSDAY...

.TONIGHT...NW WIND 65 KT. SEAS 30 FT. SNOW SHOWERS. HEAVY FREEZING
SPRAY. 
.THU...NW WIND 55 KT DIMINISHING TO 45 KT IN THE AFTERNOON. SEAS
28 FT. HEAVY FREEZING SPRAY. 
.THU NIGHT...NW WIND 40 KT. SEAS 24 FT. FREEZING SPRAY. 
.FRI...W WIND 30 KT. SEAS 19 FT. 
.FRI NIGHT...S WIND 40 KT. SEAS 15 FT. 
.SAT...W WIND 40 KT. SEAS 19 FT. 
.SUN...NW WIND 35 KT. SEAS 15 FT. 
.MON...SW WIND 25 KT. SEAS 7 FT.  
$$

PKZ412-071500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT WED APR 6 2011

...STORM WARNING THROUGH THURSDAY...
...HEAVY FREEZING SPRAY WARNING THURSDAY NIGHT...

.TONIGHT...E OF 175...NE TO SE WIND BECOMING SE TO SW WIND 60 KT. W
OF 175W...NE TO SE WIND 55 KT BECOMING NW 55 KT AFTER MIDNIGHT. SEAS
28 FT. RAIN AND SNOW. 
.THU...NW WIND 55 KT. SEAS 28 FT. SNOW SHOWERS. FREEZING SPRAY. 
.THU NIGHT...NW WIND 45 KT. SEAS 26 FT. HEAVY FREEZING SPRAY. 
.FRI...NW WIND 45 KT. SEAS 24 FT. 
.FRI NIGHT...W WIND 35 KT. SEAS 19 FT. 
.SAT...SW WIND 35 KT. SEAS 15 FT. 
.SUN...N WIND 25 KT. SEAS 12 FT. 
.MON...NW WIND 20 KT. SEAS 9 FT.  
$$

PKZ413-071500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING THROUGH THURSDAY...

.TONIGHT...SW WIND INCREASING TO 70 KT DURING THE EVENING. SEAS 28 FT
BUILDING TO 35 FT AFTER MIDNIGHT. RAIN AND SNOW. 
.THU...W WIND 65 KT DIMINISHING TO 50 KT IN THE AFTERNOON. SEAS 30 TO
36 FT. SNOW SHOWERS. FREEZING SPRAY. 
.THU NIGHT...NW WIND 45 KT. SEAS 28 FT. FREEZING SPRAY. 
.FRI...NW WIND 40 KT. SEAS 27 FT. 
.FRI NIGHT AND SAT...SW WIND 35 KT. SEAS 20 FT. 
.SUN...NW WIND 35 KT. SEAS 18 FT. 
.MON...NW WIND 25 KT. SEAS 11 FT.  
$$

PKZ414-071500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING THROUGH THURSDAY...

.TONIGHT...S WIND 55 KT INCREASING TO 65 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 30 FT. RAIN AND SNOW.
.THU...SW WIND 65 KT DIMINISHING TO 55 KT IN THE AFTERNOON. SEAS IN
ICE FREE WATERS 38 FT. SNOW.
.THU NIGHT...W WIND 45 KT. SEAS IN ICE FREE WATERS 32 FT. 
.FRI AND FRI NIGHT...NW WIND 45 KT. SEAS IN ICE FREE WATERS 25 FT. 
.SAT...SW WIND 35 KT. SEAS IN ICE FREE WATERS 17 FT. 
.SUN...NW WIND 25 KT. SEAS IN ICE FREE WATERS 13 FT. 
.MON...N WIND 30 KT. SEAS IN ICE FREE WATERS 12 FT.  
$$
011 
FZAK62 PAFC 070123 AAA
OFFALU

OFFSHORE WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE ANCHORAGE AK
522 PM AKDT WED APR 6 2011

UPDATED ZONES 412 413 414

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.

PKZ499-071500-
400 PM AKDT WED APR 6 2011
.SYNOPSIS FOR CENTRAL BERING SEA...
A 937 MB LOW AT 56N 179W WILL MOVE TO 60N 169W AT 950 MB THU
AFTERNOON. THE LOW WILL THEN MOVE TO 62N 162W AT 978 MB FRI
AFTERNOON.
$$

PKZ411-071500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH THURSDAY...

.TONIGHT...NW WIND 65 KT. SEAS 30 FT. SNOW SHOWERS. HEAVY FREEZING
SPRAY. 
.THU...NW WIND 55 KT DIMINISHING TO 45 KT IN THE AFTERNOON. SEAS
28 FT. HEAVY FREEZING SPRAY. 
.THU NIGHT...NW WIND 40 KT. SEAS 24 FT. FREEZING SPRAY. 
.FRI...W WIND 30 KT. SEAS 19 FT. 
.FRI NIGHT...S WIND 40 KT. SEAS 15 FT. 
.SAT...W WIND 40 KT. SEAS 19 FT. 
.SUN...NW WIND 35 KT. SEAS 15 FT. 
.MON...SW WIND 25 KT. SEAS 7 FT.  
$$

PKZ412-071500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
522 PM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING THURSDAY NIGHT...

.TONIGHT...E OF 175W...NE TO SE WIND BECOMING SE TO SW WIND 55 TO 65
KT. W OF 175W...NE TO SE WIND 55 KT BECOMING NW 55 KT AFTER MIDNIGHT.
SEAS 28 FT. RAIN AND SNOW. 
.THU...NW WIND 55 KT. SEAS 28 FT. SNOW SHOWERS. FREEZING SPRAY. 
.THU NIGHT...NW WIND 45 KT. SEAS 26 FT. HEAVY FREEZING SPRAY. 
.FRI...NW WIND 45 KT. SEAS 24 FT. 
.FRI NIGHT...W WIND 35 KT. SEAS 19 FT. 
.SAT...SW WIND 35 KT. SEAS 15 FT. 
.SUN...N WIND 25 KT. SEAS 12 FT. 
.MON...NW WIND 20 KT. SEAS 9 FT.  
$$

PKZ413-071500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
522 PM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING THROUGH THURSDAY...

.TONIGHT...SW WIND INCREASING TO 70 KT WITH GUSTS TO 80 KT DURING THE
EVENING. SEAS 28 FT BUILDING TO 35 FT AFTER MIDNIGHT. RAIN AND SNOW. 
.THU...W WIND 65 KT DIMINISHING TO 50 KT IN THE AFTERNOON. SEAS 30 TO
36 FT. SNOW SHOWERS. FREEZING SPRAY. 
.THU NIGHT...NW WIND 45 KT. SEAS 28 FT. FREEZING SPRAY. 
.FRI...NW WIND 40 KT. SEAS 27 FT. 
.FRI NIGHT AND SAT...SW WIND 35 KT. SEAS 20 FT. 
.SUN...NW WIND 35 KT. SEAS 18 FT. 
.MON...NW WIND 25 KT. SEAS 11 FT.  
$$

PKZ414-071500-
BERING SEA OFFSHORE EAST OF 171W
522 PM AKDT WED APR 6 2011

...HURRICANE FORCE WIND WARNING THROUGH THURSDAY...

.TONIGHT...S WIND 55 KT INCREASING TO 65 KT WITH GUSTS TO 80 KT AFTER
MIDNIGHT. SEAS IN ICE FREE WATERS 30 FT. RAIN AND SNOW.
.THU...SW WIND 70 KT WITH GUSTS TO 85 KT DIMINISHING TO 55 KT IN THE
AFTERNOON. SEAS IN ICE FREE WATERS 38 FT. SNOW.
.THU NIGHT...W WIND 45 KT. SEAS IN ICE FREE WATERS 32 FT. 
.FRI AND FRI NIGHT...NW WIND 45 KT. SEAS IN ICE FREE WATERS 25 FT. 
.SAT...SW WIND 35 KT. SEAS IN ICE FREE WATERS 17 FT. 
.SUN...NW WIND 25 KT. SEAS IN ICE FREE WATERS 13 FT. 
.MON...N WIND 30 KT. SEAS IN ICE FREE WATERS 12 FT.  
$$
293 
FZAK62 PAFC 071152
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT THU APR 7 2011

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.

PKZ499-080300-
400 AM AKDT THU APR 7 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A 939 MB LOW AT 58N 175W MOVES TO 61N 169W AT 951 MB BY THU
AFTERNOON AND THEN MOVES INLAND THU NIGHT NEAR 62N 166W.

$$

PKZ411-080300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT THU APR 7 2011

...STORM WARNING TODAY...

.TODAY...NW WIND 40 TO 50 KT. SEAS 28 FT. FREEZING SPRAY. 
.TONIGHT...NW WIND 40 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. 
SEAS 24 FT. FREEZING SPRAY. 
.FRI...W WIND 20 TO 30 KT BECOMING S 25 KT IN THE AFTERNOON.
SEAS 19 FT. FREEZING SPRAY. 
.FRI NIGHT...S WIND 25 KT INCREASING TO SW 40 KT AFTER MIDNIGHT. 
SEAS 14 FT. 
.SAT...W WIND 40 KT. SEAS 19 FT. 
.SUN...NW WIND 30 KT. SEAS 15 FT. 
.MON...SW WIND 25 KT. SEAS 10 FT.  

$$

PKZ412-080300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT THU APR 7 2011

...STORM WARNING TODAY...
...HEAVY FREEZING SPRAY WARNING TONIGHT...

.TODAY...SW TO NW WIND 45 TO 55 KT. SEAS 27 FT. RAIN CHANGING TO
SNOW. FREEZING SPRAY IN THE AFTERNOON. 
.TONIGHT...NW WIND 45 KT. SEAS 26 FT. HEAVY FREEZING SPRAY. 
.FRI...NW WIND 35 TO 45 KT. SEAS 24 FT. FREEZING SPRAY. 
.FRI NIGHT...W WIND 25 TO 35 KT BECOMING SE 25 KT AFTER MIDNIGHT.
SEAS 19 FT. 
.SAT...SW WIND 35 KT. SEAS 15 FT. 
.SUN...N WIND 25 KT. SEAS 12 FT. 
.MON...W WIND 20 KT. SEAS 8 FT.  

$$

PKZ413-080300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT THU APR 7 2011

...HURRICANE FORCE WIND WARNING TODAY...

.TODAY...W WIND 65 KT DIMINISHING TO 45 KT IN THE AFTERNOON. SEAS
36 FT. SNOW AND RAIN. 
.TONIGHT...NW WIND 45 KT. SEAS 28 FT. 
.FRI...NW WIND 40 KT DIMINISHING TO 25 TO 35 KT IN THE AFTERNOON.
SEAS 27 FT. 
.FRI NIGHT...W WIND 20 TO 30 KT INCREASING TO SW 35 KT AFTER
MIDNIGHT. SEAS 21 FT. 
.SAT...SW WIND 35 KT. SEAS 20 FT. 
.SUN...NW WIND 35 KT. SEAS 19 FT. 
.MON...NW WIND 25 KT. SEAS 11 FT.  

$$

PKZ414-080300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT THU APR 7 2011

...HURRICANE FORCE WIND WARNING TODAY...
...HEAVY FREEZING SPRAY WARNING FRIDAY...

.TODAY...SW WIND 65 KT DIMINISHING TO 50 KT IN THE AFTERNOON. SEAS
IN ICE FREE WATERS 37 FT. SNOW.
.TONIGHT...W WIND 35 TO 45 KT. SEAS IN ICE FREE WATERS 31 FT. SNOW.
FREEZING SPRAY. 
.FRI...W WIND 35 TO 45 KT. SEAS IN ICE FREE WATERS 26 FT. HEAVY
FREEZING SPRAY. 
.FRI NIGHT...NW WIND 30 TO 40 KT. SEAS IN ICE FREE WATERS 24 FT. 
.SAT...SW WIND 35 KT. SEAS IN ICE FREE WATERS 14 FT. 
.SUN...N WIND 25 KT. SEAS IN ICE FREE WATERS 13 FT. 
.MON...NW WIND 25 KT. SEAS IN ICE FREE WATERS 11 FT.  

$$
761 
FZAK62 PAFC 072338
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT THU APR 7 2011

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.

PKZ499-081500-
400 PM AKDT THU APR 7 2011
.SYNOPSIS FOR CENTRAL BERING SEA...
A 939 MB LOW AT 58N 175W MOVES TO 61N 169W AT 951 MB BY THU 
AFTERNOON. THE LOW CONTINUES TO FILL AND MOVES TO 62N 163W BY 
FRI AFTERNOON.

$$

PKZ411-081500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT THU APR 7 2011

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

.TONIGHT...NW WIND 45 KT. SEAS 24 FT. SNOW SHOWERS. 
HEAVY FREEZING SPRAY.  
.FRI...W WIND 30 KT. SEAS 19 FT. FREEZING SPRAY. 
.FRI NIGHT...S WIND 40 KT. SEAS 14 FT. RAIN AND SNOW. 
.SAT...SW WIND 35 KT. SEAS 19 FT. 
.SAT NIGHT...W WIND 35 KT. SEAS 19 FT. 
.SUN...NW WIND 30 KT. SEAS 15 FT. 
.MON...SW WIND 25 KT. SEAS 10 FT. 
.TUE...SW WIND 20 KT. SEAS 11 FT.  

$$

PKZ412-081500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT THU APR 7 2011

...STORM WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH FRIDAY...

.TONIGHT...NW WIND 40 TO 50 KT. SEAS 26 FT. SNOW SHOWERS. 
HEAVY FREEZING SPRAY. 
.FRI...NW WIND 30 TO 45 KT. SEAS 24 FT. HEAVY FREEZING SPRAY. 
.FRI NIGHT...NW WIND 35 KT DIMINISHING TO W 20 KT AFTER MIDNIGHT. 
SEAS 19 FT SUBSIDING TO 14 FT AFTER MIDNIGHT. SNOW. FREEZING SPRAY.
.SAT...SE WIND 35 KT. SEAS 12 FT. 
.SAT NIGHT...W WIND 25 KT. SEAS 15 FT. 
.SUN...N WIND 25 KT. SEAS 12 FT. 
.MON...W WIND 20 KT. SEAS 8 FT. 
.TUE...W WIND 15 KT. SEAS 8 FT.  

$$

PKZ413-081500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT THU APR 7 2011

...STORM WARNING TONIGHT...

.TONIGHT...NW WIND 40 TO 50 KT. SEAS 30 FT. SNOW SHOWERS. 
FREEZING SPRAY.
.FRI...NW WIND 30 TO 45 KT. SEAS 28 FT. SNOW SHOWERS. FREEZING SPRAY.

.FRI NIGHT...W WIND 35 KT...BECOMING S 30 KT AFTER MIDNIGHT
W OF 175 W. SEAS 21 FT. 
.SAT...SW WIND 35 KT. SEAS 16 FT. 
.SAT NIGHT...W WIND 35 KT. SEAS 20 FT. 
.SUN...NW WIND 35 KT. SEAS 19 FT. 
.MON...NW WIND 25 KT. SEAS 11 FT. 
.TUE...W WIND 20 KT. SEAS 7 FT.  

$$

PKZ414-081500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT THU APR 7 2011

...STORM WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING FRIDAY AND FRIDAY NIGHT...

.TONIGHT...SW TO NW WIND 50 KT. SEAS IN ICE FREE WATERS 34 FT. 
SNOW. FREEZING SPRAY. 
.FRI...W TO NW WIND 45 KT. SEAS IN ICE FREE WATERS 29 FT. 
SNOW SHOWERS. HEAVY FREEZING SPRAY. 
.FRI NIGHT...NW WIND 45 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. 
SEAS IN ICE FREE WATERS 26 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY.
.SAT AND SAT NIGHT...W WIND 30 KT. SEAS IN ICE FREE WATERS 14 FT. 
.SUN AND MON...NW WIND 25 KT. SEAS IN ICE FREE WATERS 12 FT. 
.TUE...NW WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT.  

$$

What forecasters said that day

The local office's own words before this hurricane force wind 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 hurricane force wind warning went out at Apr 5, 6:00 AM AKDT, 10 hours earlier.

Area forecast discussion, Apr 5, 6:00 AM AKDT, 10 hours before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
600 AM AKDT TUE APR 5 2011

.ANALYSIS AND UPPER LEVELS...
AN UPPER LEVEL JET CURRENTLY STRETCHES FROM THE  WEST BERING AND
CURVES INTO THE NORTH PACIFIC SOUTH OF THE ALASKA PENINSULA.  A
SECOND MORE POTENT 165 KT JET LIES ALONG THE 40 N PARALLEL SOUTH OF
SHEMYA. THIS JET LIES ALONG THE BASE OF A SHARP TROUGH AND LIES JUST
TO THE SOUTHEAST OF A SURFACE LOW. THIS JET IS EXPECTED TO PLAY A
PIVOTAL ROLE IN BOTH SUPPORTING THE RAPID DEEPENING OF THIS SURFACE
LOW AND TRANSPORTING A SIGNIFICANT AMOUNT OF MOISTURE NORTHWARD FROM
THE GULF.  FURTHER EAST...AN UPPER LEVEL SHORTWAVE OVER THE KUSKOKWIM
DELTA IS GRADUALLY MOVING EASTWARD. A RAPIDLY WEAKENING SURFACE LOW
LIES BENEATH THIS FEATURE.

.MODEL DISCUSSION...
MODELS ARE IN GOOD AGREEMENT IN THE SHORT TERM AND ARE IN DECENT
AGREEMENT WELL INTO THE END OF THE WEEK. MODELS ARE SHOWING GREATER
DISCREPANCY IN CAPTURING THE MANIFESTATION OF A LOW IN THE GULF BY
SATURDAY. THE ECMWF HAS SHOWN THE GREATEST RUN TO RUN CONSISTENCY AND
WAS THE MODEL OF CHOICE FOR THE MORNING FORECAST.

.SHORT TERM FORECAST...
SOUTHCENTRAL...
DOWNSLOPING HAS FINALLY SUBSIDED THIS MORNING ACROSS ANCHORAGE THIS
MORNING...ALLOWING FOR LIGHT SNOW TO FINALLY REACH THE SURFACE.
MEANWHILE...SNOW HAS BEEN FALLING ACROSS MUCH OF THE KENAI PENINSULA
THROUGHOUT THE NIGHT.  THE FORCING OF THIS SNOW HAS BEEN AN UPPER
LEVEL SHORTWAVE MOVING THROUGH THE AREA. THIS WAVE IS EXPECTED TO
CONTINUE TO PROGRESS EASTWARD THROUGH THE REST OF THE DAY
TODAY...BRINGING SNOW TO THE ANCHORAGE AREA...MATANUSKA VALLEY AND
SUSITNA VALLEY THROUGH THIS AFTERNOON. LIGHT SNOW SHOWERS ARE
POSSIBLE ACROSS THE REGION AGAIN THIS EVENING AS A MUCH WEAKER WAVE
PROGRESSES THROUGH.  STEADIER PRECIPITATION IS EXPECTED BY THURSDAY
AS A SYSTEM WITH A SIGNIFICANT MOISTURE SOURCE APPROACHES THE REGION.

SOUTHWEST...
A WEAK LOW CONTINUES TO DISSIPATE AS IT MOVES INLAND THROUGH THE
KUSKOKWIM DELTA. ITS SLOW PROGRESSION HAS BROUGHT LIGHT BUT STEADY
SNOW SHOWERS TO MUCH OF THE KUSKOKWIM DELTA ALL NIGHT. THE STRONG
WINDS ON THE WEST SIDE OF THE LOW THAT HAVE RESULTED IN REDUCED
VISIBILITIES ALONG THE COAST EARLY THIS MORNING ARE EXPECTED TO
PERSIST INTO THE AFTERNOON HOURS. ALONG THE SOUTHERN EDGE OF THIS
SYSTEM...SHOWERS HAVE BEEN FALLING ACROSS PORTIONS OF BRISTOL BAY
OVERNIGHT. PRECIPITATION IS ALSO EXPECTED TO GRADUALLY DIMINISH
THROUGHOUT THE DAY AS THE SYSTEM PROGRESSES EAST. A MUCH MORE POTENT
SYSTEM WILL BEGIN TO APPROACH THE REGION WEDNESDAY...BRINGING THE
CHANCE FOR STRONG WINDS AND STEADY PRECIPITATION ACROSS MUCH OF THE
AREA.

BERING SEA/ALEUTIANS...
LIGHT RAIN AND LIGHT WIND ARE OCCURRING ACROSS THE ALEUTIANS AHEAD OF
A LOW PRESSURE SYSTEM IN THE NORTH PACIFIC THAT IS EXPECTED TO
RAPIDLY INTENSIFY AS IT MOVES INTO THE BERING SEA BY WEDNESDAY
MORNING.  THE CURRENT TRACK WILL BRING THE STORM TO HURRICANE FORCE
WINDS ACROSS THE LION'S SHARE OF THE BERING AND ALEUTIAN CHAIN. THE
EASTERN AND CENTRAL ALEUTIANS LOOK TO BEAR THE BRUNT...AND HIGH WIND
WATCHES HAVE ALREADY BEEN ISSUED FOR THESE REGIONS. A LONG
SOUTHWESTERLY FETCH ASSOCIATED WITH THE POWERFUL LOW ALSO BRINGS THE
THREAT COASTAL FLOODING TO BRISTOL BAY AND PERHAPS THE KUSKOKWIM
DELTA ON THURSDAY.

.LONG TERM FORECAST...AN ACTIVE WEATHER PATTERN IS EXPECTED TO
PERSIST OVER AT LEAST THE NEXT WEEK. UNSETTLED WEATHER WILL DOMINATE
THE REGION AS A SERIES OF LOWS PROGRESS ACROSS THE BERING AND INTO
THE GULF.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WATCH...185 187
MARINE...STORM...155 165 170 172 175 176 180 185
         GALE...130 132 150 160 171 179
         HEAVY FREEZING SPRAY...160 165 179 185
FIRE WEATHER...NONE

ELN APR 11

In the hours before

Special weather statement, Apr 5, 10:45 AM AKDT, 5 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ANCHORAGE AK
1045 AM AKDT TUE APR 5 2011

AKZ101-111-060000-

...SNOW FALLING FROM ANCHORAGE TO THE MATANUSKA VALLEY...

SNOW DEVELOPED THIS MORNING FROM ANCHORAGE TO THE MATANUSKA VALLEY.
AS OF 1030 AM SNOWFALL ACCUMULATION RANGED FROM 1 TO 3 INCHES
ACROSS ANCHORAGE. A MODERATE BAND OF SNOW IS CURRENTLY SITTING
RIGHT OVER ANCHORAGE...BUT IS EXPECTED TO DISSIPATE AS WE HEAD
INTO THE AFTERNOON HOURS. SNOW WILL LIGHTEN UP OR EVEN STOP FOR
A WHILE THIS AFTERNOON IN BOTH ANCHORAGE AND THE MATANUSKA VALLEY.

SNOW SHOWERS ARE THEN EXPECTED TO RE-DEVELOP THIS EVENING AND
CONTINUE THROUGH THE OVERNIGHT HOURS. ADDITIONAL ACCUMULATION OF
1 TO 3 INCHES IS LIKELY WITH THESE SHOWERS.

STAY TUNED TO THE LATEST FORECASTS FROM YOUR LOCAL MEDIA OR AT
HTTP://PAFC.ARH.NOAA.GOV.
Special weather statement, Apr 5, 2:30 PM AKDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ANCHORAGE AK
230 PM AKDT TUE APR 5 2011

AKZ155-161-062100-

...DANGEROUS ICE CONDITIONS EXPECTED TO DEVELOP ALONG THE ALASKA
WEST COAST...

...POTENTIAL FOR COASTAL FLOODING ALONG THE SOUTHWEST COAST...

A VERY STRONG LOW MOVING ACROSS THE BERING SEA THIS WEEK WILL RESULT
IN DANGEROUS SEA ICE CONDITIONS ALONG THE WESTERN ALASKA COAST.

IN BRISTOL BAY STRONG ONSHORE WINDS STARTING WEDNESDAY NIGHT AND
CONTINUING INTO FRIDAY MORNING WILL CAUSE ICE TO PUSH ONTO BEACHES
FROM DILLINGHAM TO TOGIAK. BEACH EROSION CAN ALSO BE EXPECTED FROM
NAKNEK TO TOGIAK BAY.

FROM CAPE NEWENHAM TO TOKSOOK BAY ICE SHOVES ARE LIKELY THURSDAY
THROUGH SATURDAY.

MORE INFORMATION ON EXPECTED ICE CONDITIONS FOR AREAS NORTH OF THE
KUSKOKWIM DELTA ALONG WITH DETAILED GRAPHICS ARE AVAILABLE AT
HTTP://PAFC.ARH.NOAA.GOV/ICEGRAPHICS.PHP.

IN ADDITION TO DANGEROUS ICE CONDITIONS THERE IS ALSO POTENTIAL FOR
MINOR COASTAL FLOODING ALONG THE SOUTHWEST ALASKA COAST THURSDAY
THROUGH FRIDAY. A LONG FETCH OF WESTERLY STORM TO HURRICANE FORCE
WINDS WILL BUILD SEAS UP TO AROUND 35 FEET OVER THE SOUTHERN BERING
SEA BY THURSDAY MORNING. STRONG WINDS WILL THEN MOVE THESE VERY HIGH
WAVES TOWARD THE SOUTHWEST ALASKA COAST THURSDAY AFTERNOON INTO
FRIDAY. THE PRESENCE OF SEA ICE DOES HELP TO DAMPEN THESE WAVES.
HOWEVER...THERE IS STILL A THREAT FOR STORM SURGE DURING HIGH TIDES
TO PRODUCE MINOR COASTAL FLOODING.

THIS SITUATION CONTINUES TO BE MONITORED CLOSELY.

THE NEXT STATEMENT IS SCHEDULED AT 1 PM WEDNESDAY.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 4:00 PM AKDTGale WarningAFC60 hr
Apr 5, 4:00 PM AKDTHurricane Force Wind WarningAFC36 hr
Apr 5, 4:00 PM AKDTStorm WarningAFC60 hr
Apr 5, 4:23 PM AKDTHigh Wind WatchAFC12 hr
Apr 5, 4:23 PM AKDTHigh Wind WarningAFC52 hr
Apr 5, 4:52 PM AKDTBlizzard WarningAFC33 hr
Apr 6, 12:40 AM AKDTGale WarningAFC15 hr
Apr 6, 4:00 AM AKDTGale WarningAFC48 hr
Apr 6, 4:00 AM AKDTStorm WarningAFC36 hr
Apr 6, 4:00 AM AKDTStorm WarningAFC36 hr
Apr 6, 5:23 AM AKDTHigh Wind WatchAFC6 hr
Apr 6, 5:35 AM AKDTWinter Weather AdvisoryAFC11 hr
Apr 6, 10:55 AM AKDTHigh Wind WarningAFC29 hr
Apr 6, 12:14 PM AKDTBlizzard WarningAFC33 hr

Nearby

Hurricane Force Wind Warnings in Alaska, 2011Every hurricane force wind warning in 2011

Sources

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