Alert archive / Alaska / Storm Warnings in 2009

Storm Warning 28, NWS Anchorage, AK

February 10, 2009

NWS Anchorage, AK issued this storm warning at Feb 10, 2009, 4:00 PM AKST. 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
Feb 10, 2009, 4:00 PM AKST (01:00 UTC)
Expired
Feb 13, 2009, 4:00 AM AKST
In force
60 hr
Issued by
NWS Anchorage, AK

The text

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

000 
FZAK62 PAFC 110044
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST TUE FEB 10 2009

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.

PKZ499-111500-
400 PM AKST TUE FEB 10 2009
.SYNOPSIS FOR CENTRAL BERING SEA...
A 973 MB LOW NEAR 55N 173E WILL MOVE TO NEAR 58N 178W AT 994 MB
WEDNESDAY AND DISSIPATE WEDNESDAY NIGHT. A NORTH PACIFIC LOW AT 976
MB WILL MOVE TO NEAR 49N 174E WEDNESDAY AFTERNOON AND THEN STRENGTHEN
TO 962 MB THURSDAY AFTERNOON NEAR 55N 178W.
$$

PKZ411-111500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKST TUE FEB 10 2009

...STORM WARNING TONIGHT AND WEDNESDAY NIGHT...

.TONIGHT...S WIND 50 KT...DIMINISHING TO SW WIND 35 KT AFTER
MIDNIGHT. SEAS 25 FT. SNOW SHOWERS. 
.WED...SW WIND 30 KT BECOMING SE 30 KT IN THE AFTERNOON SOUTH OF 56N.
SE WIND 25 KT BECOMING NE 30 KT IN THE AFTERNOON NORTH OF 56N. SEAS
22 FT. SNOW SHOWERS. FREEZING SPRAY NORTH OF 56N.
.WED NIGHT...NE WIND 40 KT INCREASING TO 50 KT AFTER MIDNIGHT. SEAS
22 FT. SNOW AND RAIN. FREEZING SPRAY NORTH OF 56N. 
.THU...N WIND 55 KT. SEAS 26 FT. 
.THU NIGHT...NW WIND 45 KT. SEAS 26 FT. 
.FRI...NW WIND 35 KT. SEAS 23 FT. 
.SAT...N WIND 30 KT. SEAS 19 FT. 
.SUN...SW WIND 30 KT. SEAS 18 FT.  

$$

PKZ412-111500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKST TUE FEB 10 2009

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

.TONIGHT...S WIND 25 KT EXCEPT BECOMING SW WIND 35 KT AFTER MIDNIGHT
WEST OF 175W. SEAS 19 FT. SNOW.
.WED...S WIND 30 KT. SEAS 21 FT. SNOW.
.WED NIGHT...SE WIND 30 KT BECOMING E 40 KT AFTER MIDNIGHT. SEAS
21 FT. SNOW.
.THU...SE WIND 45 KT. SEAS 24 FT. 
.THU NIGHT...BECOMING N WIND 50 KT AFTER MIDNIGHT. SEAS 24 FT. 
.FRI...NW WIND 40 KT. SEAS 22 FT. 
.SAT...N WIND 35 KT. SEAS 17 FT. 
.SUN...NE WIND 35 KT. SEAS 16 FT.  

$$

PKZ413-111500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKST TUE FEB 10 2009

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

.TONIGHT...SW WIND 30 KT INCREASING TO 40 KT AFTER MIDNIGHT. SEAS
23 FT. SNOW SHOWERS. 
.WED...SW WIND 30 KT. SEAS 23 FT. SNOW SHOWERS. 
.WED NIGHT...SE WIND 40 KT. SEAS 20 FT. RAIN AND SNOW. 
.THU...S WIND 45 KT. SEAS 22 FT. 
.THU NIGHT...W WIND 50 KT. SEAS 28 FT. 
.FRI...NW WIND 40 KT. SEAS 27 FT. 
.SAT AND SUN...N WIND 40 KT. SEAS 17 FT. 

$$

PKZ414-111500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKST TUE FEB 10 2009

...GALE WARNING WEDNESDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS IN ICE FREE WATERS 12 FT.
.WED...SW WIND 25 KT. SEAS IN ICE FREE WATERS 12 FT. 
.WED NIGHT...S WIND 30 KT BECOMING SE 40 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 17 FT. SNOW AND RAIN. 
.THU...S WIND 40 KT. SEAS IN ICE FREE WATERS 19 FT. 
.THU NIGHT...S WIND 30 KT. SEAS IN ICE FREE WATERS 22 FT. 
.FRI...NW WIND 40 KT. SEAS IN ICE FREE WATERS 26 FT. 
.SAT AND SUN...N WIND 40 KT. SEAS IN ICE FREE WATERS 23 FT. 

$$
5 follow-up statements
000 
FZAK62 PAFC 111315
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKST WED FEB 11 2009

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.

PKZ499-120300-
400 AM AKST WED FEB 11 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 984 MB LOW NEAR 56N 176E WILL MOVE NEAR 58N 178W AT 994 MB
WEDNESDAY AND DISSIPATE WEDNESDAY NIGHT. A 977 MB NORTH PACIFIC LOW
WILL MOVE NEAR 50N 175E WEDNESDAY AFTERNOON AND STRENGTHEN TO 961 MB
THURSDAY AFTERNOON NEAR 53N 178W BEFORE WEAKENING TO 974 MB THURSDAY
NIGHT NEAR 57N 174W.

$$

PKZ411-120300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKST WED FEB 11 2009

...STORM WARNING THURSDAY...

.TODAY...NORTHWEST OF A LINE 54N 172E TO 57N 180...NORTHEAST WIND 
25 TO 35 KT. SEAS 8 TO 15 FT. FREEZING SPRAY NORTH OF 56N.
ELSEWHERE...SOUTHWEST WIND 25 TO 35 KT DIMINISHING TO 10 TO 20 KT 
IN THE AFTERNOON. SEAS 8 TO 15 FT. SNOW AND RAIN.
.TONIGHT...NE TO E WIND 35 TO 45 KT. SEAS 15 TO 19 FT. SNOW AND RAIN.
FREEZING SPRAY NORTH OF 56N. 
.THU...N WIND 45 TO 55 KT. SEAS 20 TO 24 FT. SNOW SHOWERS. FREEZING
SPRAY. 
.THU NIGHT...NW WIND 45 KT. SEAS 24 FT. 
.FRI...NW WIND 35 KT. SEAS 21 FT. 
.SAT...N WIND 30 KT. SEAS 10 FT. 
.SUN...E WIND 30 KT. SEAS 9 FT.  

$$

PKZ412-120300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKST WED FEB 11 2009

...GALE WARNING THROUGH THURSDAY...

.TODAY...S WIND 25 TO 35 KT. SEAS 11 TO 15 FT. 
.TONIGHT...S WIND 25 KT BECOMING E 35 KT AFTER MIDNIGHT. SEAS 
18 FT. SNOW AND RAIN. 
.THU...E WIND 45 KT. SEAS 19 FT. RAIN AND SNOW. 
.THU NIGHT...N WIND 50 KT. SEAS 22 FT. 
.FRI...NW WIND 40 KT. SEAS 20 FT. 
.SAT AND SUN...N WIND 30 KT. SEAS 13 FT. 

$$

PKZ413-120300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKST WED FEB 11 2009

...GALE WARNING THROUGH THURSDAY...

.TODAY...SW WIND 30 TO 40 KT BECOMING S 25 KT IN THE AFTERNOON. SEAS
11 TO 17 FT. 
.TONIGHT...SE WIND 40 KT. SEAS 19 FT. RAIN AND SNOW. 
.THU...S WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS
16 FT. RAIN AND SNOW. 
.THU NIGHT...W WIND 55 KT. SEAS 24 FT. 
.FRI...NW WIND 45 KT. SEAS 23 FT. 
.SAT...NE WIND 40 KT. SEAS 20 FT. 
.SUN...N WIND 35 KT. SEAS 15 FT.  

$$

PKZ414-120300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKST WED FEB 11 2009

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...SW WIND 15 TO 25 KT. SEAS IN ICE FREE WATERS 4 TO 10 FT. 
.TONIGHT...S WIND 25 KT BECOMING SE 40 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS BUILDING TO 16 FT. SNOW AND RAIN.
.THU...SE WIND 40 KT. SEAS IN ICE FREE WATERS 15 FT. RAIN AND SNOW.
.THU NIGHT...S WIND 30 KT. SEAS IN ICE FREE WATERS 15 FT. 
.FRI...NW WIND 40 KT. SEAS IN ICE FREE WATERS 17 FT. 
.SAT...N WIND 45 KT. SEAS IN ICE FREE WATERS 16 FT. 
.SUN...NW WIND 40 KT. SEAS IN ICE FREE WATERS 13 FT.  

$$
000 
FZAK62 PAFC 120056
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST WED FEB 11 2009

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.

PKZ499-121500-
400 PM AKST WED FEB 11 2009
.SYNOPSIS FOR CENTRAL BERING SEA...
A 976 MB LOW NEAR 51N 174E WILL MOVE TO NEAR 55N 175W AT 965 MB
THURSDAY AFTERNOON...THEN WEAKEN TO 995 MB AS IT MOVES TO NEAR 62N
168W FRIDAY AFTERNOON. A SECOND LOW WILL DEVELOP AT 985 MB NEAR 56N
163W FRIDAY MORNING AND MOVE ACROSS THE ALASKA PENINSULA AND WEAKEN
FRIDAY AFTERNOON.
$$

PKZ411-121500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKST WED FEB 11 2009

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

.TONIGHT...E WIND 30 KT...INCREASING TO NE 45 KT DURING THE LATE
EVENING. SEAS BUILDING TO 19 FT. SNOW AND RAIN. 
.THU...N WIND 55 KT. SEAS 27 FT. SNOW. FREEZING SPRAY.
.THU NIGHT...NW WIND 50 KT...DIMINISHING TO 40 KT AFTER MIDNIGHT.
SEAS 27 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY NORTH OF 56 N...
OTHERWISE FREEZING SPRAY. 
.FRI...NW WIND 35 KT. SEAS 22 FT. 
.FRI NIGHT...N WIND 25 KT. SEAS 18 FT. 
.SAT...NE WIND 35 KT. SEAS 15 FT. 
.SUN...E WIND 30 KT. SEAS 13 FT. 
.MON...SE WIND 30 KT. SEAS 16 FT.  

$$

PKZ412-121500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKST WED FEB 11 2009

...STORM WARNING THURSDAY NIGHT...

.TONIGHT...SE WIND 25 KT BECOMING E 35 KT AFTER MIDNIGHT. SEAS
18 FT. SNOW AND RAIN. 
.THU...E WIND 45 KT. SEAS 17 FT. SNOW AND RAIN. 
.THU NIGHT...N WIND 55 KT. SEAS 23 FT. SNOW SHOWERS. FREEZING SPRAY. 
.FRI...NW WIND 45 KT. SEAS 22 FT. 
.FRI NIGHT...N WIND 35 KT. SEAS 19 FT. 
.SAT...NE WIND 30 KT. SEAS 16 FT. 
.SUN...N WIND 30 KT. SEAS 15 FT. 
.MON...SE WIND 30 KT. SEAS 14 FT.  

$$

PKZ413-121500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKST WED FEB 11 2009

...STORM WARNING THURSDAY NIGHT...

.TONIGHT...S WIND 30 KT INCREASING TO 40 KT AFTER MIDNIGHT. SEAS 19
FT. RAIN AND SNOW. 
.THU...S WIND 35 KT...EXCEPT BECOMING NE WIND 40 KT WEST OF 176W
DURING THE AFTERNOON. SEAS 20 FT. SNOW AND RAIN. 
.THU NIGHT...BECOMING NW WIND 50 KT. SEAS 24 FT. SNOW SHOWERS. 
.FRI...NW WIND 50 KT...DIMINISHING TO 40 KT DURING THE AFTERNOON.
SEAS 25 FT. 
.FRI NIGHT...N WIND 30 KT. SEAS 22 FT. 
.SAT...NE WIND 40 KT. SEAS 17 FT. 
.SUN...N WIND 35 KT. SEAS 17 FT. 
.MON...SE WIND 30 KT. SEAS 14 FT.  

$$

PKZ414-121500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKST WED FEB 11 2009

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...S WIND 25 KT BECOMING SE 40 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 16 FT. RAIN.
.THU...SE WIND 40 KT. SEAS IN ICE FREE WATERS 16 FT. RAIN AND SNOW. 
.THU NIGHT...S WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS
IN ICE FREE WATERS 17 FT. SNOW AND RAIN. 
.FRI...W WIND 45 KT. SEAS IN ICE FREE WATERS 22 FT. 
.FRI NIGHT...NW WIND 35 KT....DIMINISHING TO 25 KT AFTER MIDNIGHT.
SEAS IN ICE FREE WATERS 21 FT. 
.SAT...NE WIND 35 KT. SEAS IN ICE FREE WATERS 16 FT. 
.SUN...NW WIND 40 KT. SEAS IN ICE FREE WATERS 14 FT. 
.MON...NE WIND 30 KT. SEAS IN ICE FREE WATERS 12 FT.  

$$
000 
FZAK62 PAFC 121313
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKST THU FEB 12 2009

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.

PKZ499-130300-
400 AM AKST THU FEB 12 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 967 MB LOW NEAR 53N 178E WILL MOVE NEAR NEAR 55N 175W AT 966 MB
THURSDAY AFTERNOON...THEN WEAKEN TO 994 MB AS IT MOVES TO NEAR 
65N 166W FRIDAY AFTERNOON. A SECOND LOW WILL DEVELOP AT 985 MB NEAR
56N 163W FRIDAY MORNING AND MOVE ACROSS THE ALASKA PENINSULA AND
WEAKEN FRIDAY NIGHT. 


$$

PKZ411-130300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKST THU FEB 12 2009

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

.TODAY...N WIND 45 TO 55 KT. SEAS 19 TO 25 FT. SNOW. FREEZING SPRAY. 
.TONIGHT...NW WIND 45 TO 55 KT DIMINISHING TO 35 TO 45 KT AFTER
MIDNIGHT. SEAS 20 TO 25 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY NORTH
OF 56N.
.FRI...NW WIND 20 TO TO 30 KT. SEAS 11 TO 16 FT. HEAVY FREEZING SPRAY
NORTH OF 56N.
.FRI NIGHT...NE WIND 30 KT. SEAS 13 FT. 
.SAT...NE WIND 40 KT. SEAS 12 FT. 
.SUN...E WIND 25 KT. SEAS 13 FT. 
.MON...SE WIND 35 KT. SEAS 15 FT.  

$$

PKZ412-130300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKST THU FEB 12 2009

...STORM WARNING TONIGHT...

.TODAY...E TO S WIND 35 TO 45 KT. SEAS 13 TO 19 FT. SNOW. 
.TONIGHT...WEST OF 175W...NW WIND 40 TO 50 KT. SEAS 18 TO 24 FT. SNOW
SHOWERS. FREEZING SPRAY. EAST OF 175W...SE TO SW WIND 20 TO 30 KT.
SEAS 9 TO 16 FT. SNOW. 
.FRI...NW WIND 45 KT DIMINISHING TO 25 TO 35 KT IN THE AFTERNOON.
SEAS 14 TO 22 FT. SNOW SHOWERS. FREEZING SPRAY. 
.FRI NIGHT...N WIND 30 KT. SEAS 18 FT. 
.SAT...NE WIND 35 KT. SEAS 13 FT. 
.SUN...N WIND 30 KT. SEAS 14 FT. 
.MON...SE WIND 30 KT. SEAS 9 FT.  

$$

PKZ413-130300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKST THU FEB 12 2009

...STORM WARNING TONIGHT AND FRIDAY...

.TODAY...S WIND 30 TO 40 KT. SEAS 14 TO 18 FT. RAIN AND SNOW. 
.TONIGHT...W WIND 55 KT. SEAS 26 FT. SNOW AND RAIN SHOWERS. 
.FRI...NW WIND 50 KT DIMINISHING TO 40 KT IN THE AFTERNOON. SEAS
26 FT. 
.FRI NIGHT...N WIND 30 KT. SEAS 22 FT. 
.SAT...NE WIND 45 KT. SEAS 17 FT. 
.SUN...N WIND 35 KT. SEAS 16 FT. 
.MON...SE WIND 25 KT. SEAS 12 FT.  

$$

PKZ414-130300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKST THU FEB 12 2009

...GALE WARNING THROUGH FRIDAY...

.TODAY...SE WIND 35 TO 45 KT. SEAS IN ICE FREE WATERS 11 TO 16 FT.
RAIN AND SNOW. 
.TONIGHT...SE TO SW WIND 25 TO 35 KT DIMINISHING TO 15 TO 25 KT AFTER
MIDNIGHT. SEAS IN ICE FREE WATERS 9 TO 17 FT. SNOW. FREEZING SPRAY.  
.FRI...SW TO NW WIND 13 TO 23 KT INCREASING TO 35 TO 45 KT IN THE
AFTERNOON. SEAS IN ICE FREE WATERS 16 TO 22 FT. SNOW SHOWERS.
FREEZING SPRAY. 
.FRI NIGHT...NW WIND 35 KT. SEAS IN ICE FREE WATERS 22 FT. 
.SAT...NE WIND 40 KT. SEAS IN ICE FREE WATERS 14 FT. 
.SUN...NW WIND 35 KT. SEAS IN ICE FREE WATERS 13 FT. 
.MON...N WIND 20 KT. SEAS IN ICE FREE WATERS 8 FT.  

$$
000 
FZAK62 PAFC 130015
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST THU FEB 12 2009

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.

PKZ499-131500-
400 PM AKST THU FEB 12 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 962 MB LOW NEAR 55N 179W MOVES TO 55N 162W AND WEAKENS TO 991 MB
FRIDAY MORNING. THIS LOW WILL CONTINUE SOUTHEAST AND WEAKEN. A 969 MB
LOW NEAR 59N 174W THIS EVENING MOVES TO 63N 167W AND WEAKENS TO 1000
MB FRIDAY EVENING. A 973 MB LOW NEAR 48N 175E FRIDAY NIGHT MOVES TO
52N 178W AT 972 MB SATURDAY AFTERNOON.

$$

PKZ411-131500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKST THU FEB 12 2009

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

.TONIGHT...N WIND 55 KT BECOMING NW 40 KT AFTER MIDNIGHT. SEAS
25 TO 30 FT SUBSIDING TO 20 TO 25 FT AFTER MIDNIGHT FT. SNOW. HEAVY
FREEZING SPRAY. 
.FRI...NW WIND 30 KT DIMINISHING TO 20 KT IN THE AFTERNOON. SEAS
21 FT. HEAVY FREEZING SPRAY. 
.FRI NIGHT...N WIND 15 KT BECOMING NE 30 KT AFTER MIDNIGHT. SEAS
13 FT. HEAVY FREEZING SPRAY.
.SAT...NE WIND 45 KT. SEAS 14 FT. 
.SAT NIGHT...NE WIND 40 KT. SEAS 17 FT. 
.SUN...E WIND 20 KT. SEAS 15 FT. 
.MON...SE WIND 35 KT. SEAS 17 FT. 
.TUE...SW WIND 40 KT. SEAS 21 FT.  

$$

PKZ412-131500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKST THU FEB 12 2009

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

.TONIGHT...EAST OF 175W...SE TO SW WIND 25 TO 35 KT. SEAS 13 TO 18
FT. RAIN AND SNOW. WEST OF 175W...N WIND 40 TO 50 KT. SEAS 18 TO 23
FT. SNOW AND RAIN. SNOW SHOWERS. HEAVY FREEZING SPRAY.
.FRI...NW WIND 40 KT. SEAS 20 FT. SNOW. HEAVY FREEZING SPRAY. 
.FRI NIGHT...NW WIND 25 KT BECOMING NE 15 KT AFTER MIDNIGHT. SEAS
17 FT. FREEZING SPRAY. 
.SAT...NE WIND 40 KT. SEAS 13 FT. 
.SAT NIGHT AND SUN...N WIND 40 KT. SEAS 17 FT. 
.MON...E WIND 30 KT. SEAS 12 FT. 
.TUE...SW WIND 35 KT. SEAS 20 FT.  

$$

PKZ413-131500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKST THU FEB 12 2009

...STORM WARNING THROUGH FRIDAY...

.TONIGHT...SW WIND 35 KT BECOMING NW 50 KT AFTER MIDNIGHT. SEAS 23
FT. SNOW AND RAIN SHOWERS.
.FRI...NW WIND 50 KT DIMINISHING TO 35 KT IN THE AFTERNOON. SEAS
23 FT. 
.FRI NIGHT...N WIND 20 KT BECOMING E 30 KT AFTER MIDNIGHT. SEAS
20 FT. SNOW.
.SAT...E WIND 50 KT. SEAS 17 FT. 
.SAT NIGHT...N WIND 45 KT. SEAS 19 FT. 
.SUN...N WIND 40 KT. SEAS 17 FT. 
.MON...SE WIND 25 KT. SEAS 13 FT. 
.TUE...SW WIND 30 KT. SEAS 20 FT.  

$$

PKZ414-131500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKST THU FEB 12 2009

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...SE WIND 45 KT BECOMING SW 25 KT BY MIDNIGHT. SEAS IN ICE
FREE WATERS 15 FT. RAIN AND SNOW SHOWERS. 
.FRI...SW WIND 25 KT BECOMING W 35 KT IN THE AFTERNOON. SEAS IN ICE
FREE WATERS 18 FT. SNOW SHOWERS. 
.FRI NIGHT...NW WIND 30 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. SEAS
IN ICE FREE WATERS 18 FT. 
.SAT...E WIND 35 KT. SEAS IN ICE FREE WATERS 14 FT. 
.SAT NIGHT...E WIND 40 KT. SEAS IN ICE FREE WATERS 12 FT. 
.SUN...NW WIND 40 KT. SEAS IN ICE FREE WATERS 13 FT. 
.MON...N WIND 35 KT. SEAS IN ICE FREE WATERS 12 FT. 
.TUE...S WIND 30 KT. SEAS IN ICE FREE WATERS 14 FT.  

$$
000 
FZAK62 PAFC 131311
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKST FRI FEB 13 2009

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.

PKZ499-140300-
400 AM AKST FRI FEB 13 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 971 MB LOW NEAR 60N 173W WILL MOVE NEAR 63N 166W AND WEAKEN TO 
1002 MB FRIDAY EVENING. A TROUGH OF LOW PRESSURE WILL EXTEND FROM 
THE LOW ACROSS THE CHAIN AND MOVE FROM WEST TO EAST BY FRIDAY NIGHT.
A DEVELOPING NORTH PACIFIC LOW WILL BE NEAR 48N 177E AT 975 MB FRIDAY
EVENING AND MOVE NEAR 57N 167W AT 978 MB SATURDAY NIGHT.

$$

PKZ411-140300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKST FRI FEB 13 2009

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

.TODAY...NW WIND 35 TO 45 KT DIMINISHING TO 25 TO 35 KT IN THE
AFTERNOON. SEAS 18 TO 29 DIMINISHING TO 13 TO 22 FT. HEAVY FREEZING
SPRAY NORTH OF 56N. 
.TONIGHT...N WIND 15 KT BECOMING NE 20 TO 30 KT AFTER MIDNIGHT. SEAS
8 TO 13 FT. HEAVY FREEZING SPRAY NORTH OF 56N. 
.SAT...NE WIND 30 TO 40 KT. SEAS 11 TO 19 FT. HEAVY FREEZING SPRAY
NORTH OF 56N. 
.SAT NIGHT...N WIND 30 KT. SEAS 12 FT. 
.SUN...E WIND 25 KT. SEAS 11 FT. 
.MON...S WIND 30 KT. SEAS 13 FT. 
.TUE...SW WIND 35 KT. SEAS 20 FT.  

$$

PKZ412-140300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKST FRI FEB 13 2009

...STORM WARNING TODAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY...

.TODAY...NW WIND 40 TO 50 KT. SEAS 18 TO 24 FT. SNOW SHOWERS. HEAVY
FREEZING SPRAY. 
.TONIGHT...NW WIND 25 KT BECOMING N 15 KT AFTER MIDNIGHT. SEAS
16 FT. HEAVY FREEZING SPRAY. 
.SAT...NE WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS
12 FT. HEAVY FREEZING SPRAY. 
.SAT NIGHT...N WIND 40 KT. SEAS 15 FT. 
.SUN...N WIND 35 KT. SEAS 14 FT. 
.MON...SE WIND 40 KT. SEAS 17 FT. 
.TUE...SW WIND 40 KT. SEAS 25 FT.  

$$

PKZ413-140300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKST FRI FEB 13 2009

...STORM WARNING TODAY...

.TODAY...W WIND 40 TO 50 KT BECOMING NW 25 TO 35 KT IN THE AFTERNOON.
SEAS 11 TO 21 FT. 
.TONIGHT...VARIABLE WIND 15 KT BECOMING E 20 TO 30 KT AFTER MIDNIGHT.
SEAS 10 FT BUILDING TO 12 TO 17 FT. SNOW.
.SAT...N TO E WIND 35 TO 45 KT. SEAS 14 TO 19 FT. SNOW AND RAIN. 
.SAT NIGHT...N WIND 40 KT. SEAS 19 FT. 
.SUN...N WIND 30 KT. SEAS 15 FT. 
.MON...S WIND 25 KT. SEAS 14 FT. 
.TUE...SW WIND 35 KT. SEAS 19 FT.  

$$

PKZ414-140300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKST FRI FEB 13 2009

...GALE WARNING TODAY AND SATURDAY...
...HEAVY FREEZING SPRAY WARNING SATURDAY...

.TODAY...S TO W WIND 20 TO 30 INCREASING TO W 45 KT IN THE AFTERNOON.
SEAS IN ICE FREE WATERS BUILDING TO 20 FT. PATCHY FOG. RAIN AND SNOW
SHOWERS. 
.TONIGHT...W WIND 30 KT BECOMING NW 15 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 10 TO 16 FT. FREEZING SPRAY. 
.SAT...NE TO E WIND 35 TO 45 KT. SEAS IN ICE FREE WATERS 13 TO 18 FT.
HEAVY FREEZING SPRAY. 
.SAT NIGHT...E WIND 35 KT. SEAS IN ICE FREE WATERS 11 FT. 
.SUN...NW WIND 35 KT. SEAS IN ICE FREE WATERS 14 FT. 
.MON...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT. 
.TUE...S WIND 35 KT. SEAS IN ICE FREE WATERS 16 FT.  

$$

What forecasters said that day

The local office's own words before this storm 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 storm warning went out at Feb 10, 3:00 PM AKST, 1 hour earlier.

Area forecast discussion, Feb 10, 3:00 PM AKST, 1 hour before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
300 PM AKST TUE FEB 10 2009

.ANALYSIS AND UPPER LEVELS...
A CONCENTRIC COLD CORE UPPER LEVEL LOW REMAINS IN PLACE OVER NORTHERN
ALASKA. TWO TROUGHS EXTEND SOUTH FROM THE MAIN LOW...ONE IS MOVING
EAST OF ALASKA AND A SECOND IS MOVING ACROSS THE CENTRAL BERING SEA.
BETWEEN THESE TWO TROUGHS IS A SHORT WAVE RIDGE WHERE FAIR CONDITIONS
CAN BE FOUND OVER MUCH OF SOUTHCENTRAL AND SOUTHWEST ALASKA.

AT THE SURFACE...HIGH PRESSURE PERSISTS OVER THE MAINLAND CENTERED
OVER THE KOYUKUK RIVER VALLEY WHICH IS WHERE THE COLDEST TEMPERATURES
IN THE STATE CAN BE FOUND. TO THE WEST...AN OCCLUDED FRONT IS
APPROACHING BRISTOL BAY AND THE KUSKOKWIM DELTA. A 970 MB LOW
NORTHWEST OF SHEMYA IS WEAKENING AS IT DRIFTS NORTHWESTERN INTO THE
CENTRAL BERING. THE NEXT MAJOR SYSTEM CAN BE SEEN ON SATELLITE OVER
THE NORTH PACIFIC AS IT RAPIDLY GAINS STRENGTH THIS EVENING.

.MODEL DISCUSSION...
MODELS SEEM TO BE GETTING A BETTER HANDLE ON THE PROGRESSION OF THE
DEVELOPING NORTH PACIFIC LOWS AS CONSISTENCY FROM RUN TO RUN IS
IMPROVING. THE INHERITED FORECAST IN THE SHORT AND MID TERM IS
REPRESENTATIVE OF THE LATEST MODEL RUNS SO ONLY MINOR CHANGES WERE
NECESSARY. IN THE MID TO LONG RANGE...THE ECMWF SEEMS TO BE THE
OUTLIER WITH THE LATEST DEVELOPING LOW MOVING OUT OF THE NORTH
PACIFIC.

.SHORT TERM FORECAST...

SOUTHCENTRAL...
FAIR WEATHER OVER SOUTHCENTRAL EARLY THIS AFTERNOON WITH MOSTLY SUNNY
SKIES PREVAILING. THE EXCEPTION IS ALONG COOK INLET WHERE SOME LOW
STRATUS AND FOG ARE LURKING JUST OFF THE COAST. NORTHERLY WINDS OVER
THE INLET WILL INCREASE AS A RESULT OF THE DEVELOPING LOW SOUTH OF
KODIAK WHICH WILL HELP ERODE ANY STRATUS THAT REMAINS THIS EVENING.

A SHORT WAVE THAT IS CLEARLY VISIBLE ON THE WATER VAPOR IMAGERY WILL
TRIGGER THE AFOREMENTIONED SURFACE LOW TO DEVELOP OVERNIGHT. THERE IS
SOME UNCERTAINTY AS TO HOW FAR NORTH THE MOISTURE FROM THIS SYSTEM
WILL REACH AS THE LOW IS PROGGED TO SHEAR APART AND WEAKEN IN THE
EASTERN GULF BY WEDNESDAY NIGHT. THE 18Z RUN OF THE GFS AND NAM ARE
NOW BRINGING MORE MOISTURE INTO SOUTHCENTRAL. WE WILL STILL BE GOING
WITH A CHANCE OF SNOW TOMORROW EVENING FOR ANCHORAGE UP TO THE
SUSITNA VALLEY BUT CHANCES ARE GOOD THAT SOME LIGHT SNOW WILL FALL
FOR A PERIOD TOMORROW AS A DEFORMATION ZONE SETS UP OVER THE REGION.
MOST OF THE SNOW WILL FALL ALONG THE COAST AND THE SOUTHERN SUSITNA
VALLEY WHERE ISENTROPIC LIFT WILL BE MAXIMIZED.

THERE IS A POSSIBILITY AS WELL THAT KODIAK CITY COULD SEE BLOWING
SNOW AS THE NORTHERLY FLOW ON THE BACKSIDE OF THE LOW WRAPS MOISTURE
AND COLD AIR AROUND. WILL MENTION AREAS OF BLOWING SNOW FOR THIS ZONE
AS NOT CONFIDENT ENOUGH AT THIS POINT TO MENTION BLIZZARD CONDITIONS.
SOUTHCENTRAL WILL SEE A BREAK IN THE WEATHER BRIEFLY BEFORE THE NEXT
FRONTAL BOUNDARY MOVES INTO THE NORTHERN GULF ON FRIDAY BRINGING RAIN
AND SNOW TO THE COAST AND SNOW LIKELY OVER THE INTERIOR.

SOUTHWEST ALASKA...
BETHEL RADAR IS PICKING UP THE MOISTURE ASSOCIATED WITH THE WEAKENING
FRONT OVER THE EASTERN BERING SEA. LIGHT SNOW AND BLOWING SNOW IS
LIKELY ALONG THE COAST BUT THE FRONT IS WEAKENING AS THE ENERGY GETS
DISPLACED TO THE GULF. SNOW WILL SPREAD INLAND AND MAKE IT ALL THE
WAY UP TO THE UPPER KUSKOKWIM OVERNIGHT BUT SNOW TOTALS WILL REMAIN
LIGHT ACROSS THE AREA. INFRARED AND VISIBLE SATELLITE DEPICTING THE
PRECIPITATION BEHIND THE FRONT IS CONVECTIVE. SHOWERS WILL MOVE
INLAND OVERNIGHT AND GRADUALLY DIMINISH IN COVERAGE BY WEDNESDAY.

UNSETTLED WEATHER WILL CONTINUE AS ANOTHER OCCLUDED FRONT APPROACHES
THE COAST THURSDAY. MUCH MORE MOISTURE IS ASSOCIATED WITH THIS
SYSTEM...SO THERE WILL BE THE POSSIBILITY OF A BLIZZARD ALONG THE
COAST AS WELL AS MUCH STRONGER WINDS THROUGH THE GAPS ACROSS THE
INTERIOR.

BERING SEA/ALEUTIANS...
AS PREVIOUSLY MENTIONED...THE POST FRONTAL AIRMASS IS CONVECTIVE SO
SHOWERS WILL PERSIST THROUGH TONIGHT. A NORTH PACIFIC LOW WILL DEEPEN
RAPIDLY TO 970 MB LATE WEDNESDAY NIGHT AND MOVE INTO THE WESTERN
BERING SEA AS A 962 MB LOW THURSDAY. THIS SYSTEM WILL BEGIN TO WRAP
SOME ARCTIC AIR DOWN ON THE BACKSIDE WHICH WILL EVENTUALLY MAKE IT TO
THE MAINLAND OVER THE WEEKEND. IN THE MEAN TIME...THERE IS THE
POTENTIAL FOR HIGH WIND WARNINGS ALONG THE FRONT THURSDAY AND THEN
BLIZZARDS ACROSS THE BACKSIDE OF THE LOW ON FRIDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...STORM WARNING...172 175 176 411
         GALE WARNING...132 165 170 171 185 352 412 413 414
         HEAVY FREEZING SPRAY WARNING...129 130 140
FIRE WEATHER...NONE.

AB FEB 09

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 4:00 PM AKSTGale WarningAFC7 days
Feb 10, 4:00 PM AKSTSmall Craft AdvisoryAFC12 hr
Feb 10, 4:00 PM AKSTSmall Craft AdvisoryAFC48 hr
Feb 10, 4:00 PM AKSTStorm WarningAFC24 hr
Feb 10, 6:46 PM AKSTWinter Weather AdvisoryAFC3 hr
Feb 11, 2:57 AM AKSTWinter Weather AdvisoryAFC10 hr
Feb 11, 4:00 AM AKSTGale WarningAFC60 hr
Feb 11, 4:00 AM AKSTGale WarningAFC5 days
Feb 11, 4:00 AM AKSTGale WarningAFC5 days
Feb 11, 4:00 AM AKSTHurricane Force Wind WarningAFC24 hr
Feb 11, 4:00 AM AKSTSmall Craft AdvisoryAFC60 hr
Feb 11, 4:00 AM AKSTStorm WarningAFC60 hr
Feb 11, 4:43 AM AKSTHigh Wind WatchAFC12 hr
Feb 11, 8:15 AM AKSTGale WarningAFC56 hr
Feb 11, 8:15 AM AKSTHeavy Freezing Spray WarningAFC20 hr

Nearby

Storm Warnings in Alaska, 2009Every storm warning in 2009

Sources

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