Alert archive / Alaska / Storm Warnings in 2009

Storm Warning 29, NWS Anchorage, AK

February 11, 2009

NWS Anchorage, AK issued this storm warning at Feb 11, 2009, 4:00 PM AKST. 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
Feb 11, 2009, 4:00 PM AKST (01:00 UTC)
Expired
Feb 13, 2009, 4:00 PM AKST
In force
48 hr
Issued by
NWS Anchorage, AK

The text

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

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.  

$$
4 follow-up statements
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.  

$$
000 
FZAK62 PAFC 140023
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM 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.

PKZ499-141500-
400 PM AKST FRI FEB 13 2009
.SYNOPSIS FOR CENTRAL BERING SEA...
A 990 MB LOW NEAR 61N 171W WEAKENS TO 999 MB AS IT MOVES TO 64N 166W 
SAT MORNING. A 976 MB LOW NEAR 48N 177E MOVES TO 55N 172W AT 973 MB 
SAT EVENING. THIS LOW THEN WEAKENS TO 981 MB NEAR 59N 164W SUN
AFTERNOON. A 991 MB LOW MOVES TO 51N 171E SUN AFTERNOON.   
$$

PKZ411-141500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKST FRI FEB 13 2009

...GALE WARNING SATURDAY...

.TONIGHT...VARIABLE WIND 15 KT BECOMING NE 30 KT AFTER MIDNIGHT. SEAS
14 FT. 
.SAT...NE WIND 40 KT. SEAS 14 FT. FREEZING SPRAY. 
.SAT NIGHT...N WIND 30 KT. SEAS 12 FT. FREEZING SPRAY.
.SUN...E WIND 25 KT. SEAS 11 FT. 
.SUN NIGHT...E WIND 30 KT. SEAS 11 FT. 
.MON...SE WIND 30 KT. SEAS 17 FT. 
.TUE...SW WIND 40 KT. SEAS 22 FT. 
.WED...W WIND 25 KT. SEAS 20 FT.  

$$

PKZ412-141500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKST FRI FEB 13 2009

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

.TONIGHT...NW WIND 30 KT BECOMING NE 15 KT AFTER MIDNIGHT. SEAS
16 FT. FREEZING SPRAY. 
.SAT...NE WIND 40 KT. SEAS 13 FT. SNOW. HEAVY FREEZING SPRAY. 
.SAT NIGHT...N WIND 40 KT. SEAS 16 FT. SNOW. HEAVY FREEZING SPRAY. 
.SUN...N WIND 35 KT. SEAS 15 FT. 
.SUN NIGHT...N WIND 25 KT. SEAS 11 FT. 
.MON...E WIND 40 KT. SEAS 12 FT. 
.TUE...S WIND 45 KT. SEAS 19 FT. 
.WED...SW WIND 35 KT. SEAS 21 FT.  

$$

PKZ413-141500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKST FRI FEB 13 2009

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...W WIND 35 KT BECOMING VARIABLE 15 KT IN THE EVENING THEN
BECOMING E 35 KT AFTER MIDNIGHT. SEAS 18 FT. SNOW. FREEZING SPRAY.
.SAT...E WIND 45 KT. SEAS 16 FT. SNOW AND RAIN. 
.SAT NIGHT...NW WIND 45 KT. SEAS 17 FT. 
.SUN...N WIND 35 KT. SEAS 15 FT. 
.SUN NIGHT...NE WIND 25 KT. SEAS 13 FT. 
.MON...SE WIND 25 KT. SEAS 14 FT. 
.TUE...SW WIND 35 KT. SEAS 20 FT. 
.WED...SW WIND 30 KT. SEAS 21 FT.  

$$

PKZ414-141500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKST FRI FEB 13 2009

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...W WIND 35 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 19 FT. FREEZING SPRAY.
.SAT...E WIND 40 KT. SEAS IN ICE FREE WATERS 16 FT. SNOW. FREEZING
SPRAY. 
.SAT NIGHT...SE WIND 35 KT. SEAS IN ICE FREE WATERS 11 FT. SNOW.
FREEZING SPRAY. 
.SUN...NW WIND 35 KT. SEAS IN ICE FREE WATERS 15 FT. 
.SUN NIGHT...NW WIND 30 KT. SEAS IN ICE FREE WATERS 13 FT. 
.MON...NE WIND 25 KT. SEAS IN ICE FREE WATERS 9 FT. 
.TUE...S WIND 35 KT. SEAS IN ICE FREE WATERS 14 FT. 
.WED...SW WIND 30 KT. SEAS IN ICE FREE WATERS 14 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 11, 5:30 AM AKST, 10 hours 30 minutes earlier.

Area forecast discussion, Feb 11, 5:30 AM AKST, 10 hours 30 minutes before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
530 AM AKST WED FEB 11 2009

.ANALYSIS AND UPPER LEVELS....
A COLD UPPER LEVEL LOW REMAINS OVER NORTHERN ALASKA AND WILL SLOWLY
DRIFT NORTH. TWO TROUGHS EXTEND OUT FROM THE LOW...THE FIRST..EXTENDS
SOUTHEAST OVER NORTHEASTERN ALASKA AND INTO CANADA...THE
SECOND...EXTENDS SOUTHWEST OVER RUSSIAN CHUKOTKA / KAMCHATKA MOVING
EASTWARD ACROSS THE BERING. LOCATED BETWEEN THE TWO TROUGHS IS A
RIDGE THAT CAN BE FOUND OVER MUCH OF SOUTHCENTRAL.

AT THE SURFACE...HIGH PRESSURE OVER THE YUKON FLATS CONTINUES TO MOVE
EAST. A 978 MB LOW NORTH OF SHEMYA CONTINUES TO WEAKEN AS IT MOVES
NORTH AND EAST. AN OCCLUDED FRONT STRETCHES FROM THE BERING LOW
EASTWARD ACROSS THE WESTERN COASTAL AREAS...FROM BETHEL THROUGH PILOT
POINT THIS MORNING. A WEAK SURFACE LOW HAS DEVELOPED WEST OF AKHIOK
AND WILL MOVE EAST OVER KODIAK ISLAND TODAY AND INTO THE GULF. THE
NEXT MAJOR SYSTEM CAN ALREADY BE SEEN ON SATELLITE OVER THE NORTH
PACIFIC AS IT CONTINUES TO INTENSIFY AND MOVE TOWARDS THE WESTERN
ALEUTIANS.

.MODEL DISCUSSION...MODELS ARE GENERALLY IN GOOD AGREEMENT THROUGH
THE 48 TO 60 HOUR TIME FRAME...AND ARE IN LINE WITH THE DEVELOPING
NORTH PACIFIC STORM SYSTEM THAT WILL AFFECT THE WESTERN ALEUTIANS IN
THE COMING DAYS AS WELL. THE MODELS ARE STILL HAVE SOME POSITION
DIFFERENCES WITH THE WEAK KODIAK LOW THIS MORNING...WITH THE LATEST
RUNS HAVING MORE OF A NORTHERLY TRACK INTO THE GULF. TOWARDS THE
WEEKEND...THE ECMWF CONTINUES TO BE AN OUTLIER AMONGST THE MODELS.
THE CURRENT FORECAST PACKAGE WAS TRENDED TOWARDS THE RECENT GFS RUNS
THROUGH THE LONG RANGE.

.SHORT TERM FORECAST...

.SOUTHCENTRAL...SNOW WILL CONTINUE TO SPREAD UP AND ALONG THE KENAI
PENINSULA THIS MORNING AS A LOW MOVES ACROSS KODIAK. THE 06Z MODEL
RUNS WERE BACKING OFF SLIGHTLY ON THE AMOUNT OF MOISTURE OVER THE
ANCHORAGE AREA TODAY BEFORE THE LOW IS SHEARED APART IN GULF LATE
WEDNESDAY NIGHT. HEAVIEST SNOW THIS MORNING HAS BEEN IN KODIAK CITY
WHERE ADVISORY LEVEL SNOWS HAVE FALLEN. SNOW WILL TAPER OFF AS THE
LOW PULLS OUT...BUT THE QUESTION REGARDING BLOWING SNOW TONIGHT FOR
KODIAK STILL LOOMS...AS THE CONFIDENCE ON BLIZZARD LEVEL VISIBILITY
IS STILL LOW...AND THE OTHER KEY CHALLENGE TO THE FORECAST WILL BE ON
THE TRACK OF THE LOW...MORE OF A NORTHERLY TRACK WILL POTENTIALLY
BRING RAIN TO KODIAK AND NIX THE NEED FOR A WWA. NORTHWEST WINDS WILL
PICKUP THIS AFTERNOON BEHIND THE LOW AND WILL BRING THE POTENTIAL FOR
BLOWING SNOW ACROSS WESTERN KODIAK ISLAND. SNOW SHOWERS WILL MAKE
THEIR WAY TOWARDS THE GULF AND EASTERN COASTAL AREAS LATER THIS
AFTERNOON AS A FRONT WILL PUSH NORTH IN WITH THE WEAK KODIAK LOW.

.SOUTHWEST...AS THE AFOREMENTIONED WESTERN KODIAK LOW CONTINUES TO
MOVE TO THE EAST...NORTHERLY WINDS WILL PRODUCE MODEST SNOWFALL ALONG
THE MOUNTAINS. KING SALMON RADAR IS SHOWING THE HIGHEST RETURNS ALONG
A LINE FROM IGIUGIG SOUTH...WHILE MODERATE SNOWS ARE BEING REPORTED
FROM MCGRATH SOUTH. THE HEAVIEST SNOWS WILL CONTINUE THROUGH THE
AFTERNOON EAST OF KING SALMON...ESPECIALLY ALONG THE
MOUNTAINS...WHILE SCATTERED SNOWSHOWERS WILL REMAIN ACROSS THE OTHER
AREAS. A RIDGE WILL BUILD ON THURSDAY BRINGING IN A BREAK FROM THE
ACTIVE WEATHER UNTIL FRIDAY MORNING WHEN A STRONG FRONT MOVES THROUGH
THE AREA.

.BERING SEA AND ALEUTIANS...THE RELATIVE CALM BEFORE THE STORM WILL
BE FELT THIS AFTERNOON AS WINDS WILL BACK OFF SLIGHTLY UNTIL THE
EVENING. THE RAPIDLY DEVELOPING NORTH PACIFIC LOW WILL MOVE NORTH
ACROSS THE FAR WESTERN CHAIN LATE TONIGHT INTO TOMORROW MORNING AS A
963 MB LOW. THIS SYSTEM WILL WRAP ARCTIC AIR DOWN THE BACKSIDE AND
SOME OF THE STRONGEST WINDS WILL BE PRESENT JUST SOUTH OF THE CHAIN
IN MARINE ZONE 175 WHERE HURRICANE FORCE WINDS ARE EXPECTED. AT THIS
POINT A HIGH WIND WATCH HAS BEEN ISSUED FOR THE CENTRAL AND WESTERN
ALEUTIANS STARTING LATE TONIGHT AND LASTING THROUGH THURSDAY
NIGHT/FRIDAY MORNING...BUT THE OVERALL FEELING AS THAT THIS WILL
LIKELY BE UPGRADED TO A WARNING. FOR AREAS EAST AND ALONG THE
CHAIN...A WATCH WILL LIKELY BE ISSUED FOR FRIDAY AS THE LOW TRACKS
ACROSS THE SOUTHERN BERING AND STRONG WINDS ALONG THE BACKSIDE OF THE
LOW MOVE EAST BEFORE DISSIPATING FRIDAY NIGHT OVER BRISTOL BAY.

.LONG TERM FORECAST...MODELS CONTINUE TO HAVE A LACK OF STRONG RUN TO
RUN CONSISTENCY...BUT THE OVERALL LONG-WAVE PATTERN WILL CONTINUE TO
BE THAT OF LOW AMPLITUDE THROUGH THE WEEKEND. THE RESULTANT STORM
TRACKS WILL CONTINUE TO MOVE QUICKLY FROM WEST TO EAST. BY THE
WEEKEND A STRONG FRONT IS EXPECTED TO MOVE ACROSS THE CHAIN...ALONG
THE AKPEN AND INTO BRISTOL BAY BEFORE SLOWING AND WEAKENING NEAR THE
ALEUTIAN RANGE. IN GENERAL...THE OVERALL PATTERN WILL CONTINUE TO BE
QUITE ACTIVE ACROSS THE DOMAIN THROUGH THE WEEKEND AND BEYOND.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...SNOW ADVISORY...171
         HIGH WIND WATCH...187 191
MARINE...HURRICANE FORCE WIND WARNING...175
         STORM WARNING...172 176 185 411
         GALE WARNING...120 130 132 150 155 160 165 170 171 179 180
                        351 352 412 413 414
         HEAVY FREEZING SPRAY WARNING...141
FIRE WEATHER...NONE

SSS FEB 09

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 4:00 PM AKSTHurricane Force Wind WarningAFC36 hr
Feb 11, 4:00 PM AKSTStorm WarningAFC36 hr
Feb 11, 4:00 PM AKSTHeavy Freezing Spray WarningAFC48 hr
Feb 11, 4:24 PM AKSTBlizzard WatchAFC12 hr
Feb 11, 4:29 PM AKSTHigh Wind WarningAFC18 hr
Feb 12, 4:00 AM AKSTGale WarningAFC12 hr
Feb 12, 4:00 AM AKSTSmall Craft AdvisoryAFC60 hr
Feb 12, 4:00 AM AKSTStorm WarningAFC24 hr
Feb 12, 4:46 AM AKSTBlizzard WarningAFC29 hr
Feb 12, 11:12 AM AKSTWinter Storm WarningAFC16 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.