Alert archive / Alaska / Gale Warnings in 2011

Gale Warning 256, NWS Anchorage, AK

March 27, 2011

NWS Anchorage, AK issued this gale warning at Mar 27, 2011, 4:00 AM AKDT. It was in force for 60 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 27, 2011, 4:00 AM AKDT (12:00 UTC)
Expired: Mar 29, 2011, 4:00 PM AKDT
In force: 60 hr
Issued by: NWS Anchorage, AK

The text

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

417 
FZAK62 PAFC 271144
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SUN MAR 27 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.

PKZ499-280300-
400 AM AKDT SUN MAR 27 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A 979 MB LOW OVER THE NORTH PACIFIC WILL MOVE NEAR 49N 168W MON NIGHT
AT 968 MB. A 1001 MB WILL DEVELOP NEAR 53N 173E MON NIGHT. 

$$

PKZ411-280300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT SUN MAR 27 2011

.TODAY...S WIND 15 KT. SEAS 5 FT. 
.TONIGHT...E WIND 20 KT. SEAS 4 FT. 
.MON...E WIND 20 KT. SEAS 6 FT. 
.MON NIGHT...NE WIND 25 KT. SEAS 8 FT. 
.TUE...NE WIND 15 KT. SEAS 9 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 6 FT. 
.THU...SW WIND 20 KT. SEAS 5 FT. 

$$

PKZ412-280300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT SUN MAR 27 2011

.TODAY...W WIND 15 KT. SEAS 6 FT. 
.TONIGHT...SE WIND 15 KT. SEAS 4 FT. 
.MON AND MON NIGHT...E WIND 25 KT. SEAS 6 FT. 
.TUE...N WIND 20 TO 30 KT. SEAS 9 FT. 
.WED...N WIND 20 KT. SEAS 6 FT. 
.THU...SW WIND 20 KT. SEAS 5 FT. 

$$

PKZ413-280300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT SUN MAR 27 2011

...GALE WARNING MONDAY...

.TODAY...VARIABLE WIND 10 KT. SEAS 3 FT. 
.TONIGHT...SE WIND 15 KT BECOMING E 25 KT AFTER MIDNIGHT. SEAS 6 FT.
.MON...E WIND 25 TO 35 KT. SEAS 12 FT. 
.MON NIGHT...NE WIND 35 KT. SEAS 14 FT. 
.TUE...NE WIND 35 KT. SEAS 14 FT. 
.WED...N WIND 25 KT. SEAS 9 FT. 
.THU...SW WIND 15 KT. SEAS 5 FT. 

$$

PKZ414-280300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT SUN MAR 27 2011

.TODAY...N WIND 15 KT. SEAS 4 FT. FREEZING SPRAY EAST OF 166 W. 
.TONIGHT...E WIND 20 KT. SEAS 4 FT. FREEZING SPRAY. 
.MON...E WIND 30 KT. SEAS 8 FT. FREEZING SPRAY. 
.MON NIGHT...NE WIND 35 KT. SEAS 11 FT. 
.TUE...N WIND 35 KT. SEAS 12 FT. 
.WED...N WIND 30 KT. SEAS 10 FT. 
.THU...N WIND 20 KT. SEAS 5 FT.  

$$

5 follow-up statements

867 
FZAK62 PAFC 272346
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SUN MAR 27 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.

PKZ499-281500-
400 PM AKDT SUN MAR 27 2011
.SYNOPSIS FOR CENTRAL BERING SEA...
A 973 MB LOW NEAR 45N 175E MOVES TO 50N 160W TUE AFTERNOON AT 974 MB
AND THEN INTO THE WESTERN GULF OF ALASKA. WEAK HIGH PRESSURE PERSISTS
OVER THE NORTHERN BERING SEA THROUGH THE FORECAST PERIOD. A 1000 MB
LOW FORMS NEAR 52N 175E TUE AFTERNOON.
$$

PKZ411-281500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT SUN MAR 27 2011

.TONIGHT...E WIND 10 TO 20 KT. SEAS 4 FT. 
.MON...E WIND 10 TO 20 KT. SEAS 6 FT. 
.MON NIGHT...E WIND 10 TO 20 KT. SEAS 6 TO 9 FT. 
.TUE...E WIND 15 KT. SEAS 9 FT. 
.TUE NIGHT...E WIND 15 KT. SEAS 8 FT. 
.WED...SE WIND 20 KT. SEAS 6 FT. 
.THU...SW WIND 25 KT. SEAS 6 FT.
.FRI...W WIND 20 KT. SEAS 7 FT.  

$$

PKZ412-281500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT SUN MAR 27 2011

.TONIGHT...SE WIND 15 KT. SEAS 4 FT. 
.MON...E WIND 20 KT. SEAS 5 FT.
.MON NIGHT...NE WIND 25 KT. SEAS 7 FT. FREEZING SPRAY. 
.TUE...NE WIND 25 KT. SEAS 8 FT. 
.TUE NIGHT...NE WIND 25 KT. SEAS 8 FT. 
.WED...E WIND 20 KT. SEAS 6 FT. 
.THU...SE WIND 20 KT. SEAS 5 FT. 
.FRI...S WIND 25 KT. SEAS 6 FT.  

$$

PKZ413-281500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT SUN MAR 27 2011

...GALE WARNING MONDAY AND MONDAY NIGHT...

.TONIGHT...SE WIND 15 KT BECOMING E 30 KT AFTER MIDNIGHT. SEAS 6 FT.
.MON...E WIND 25 TO 35 KT. SEAS 6 TO 11 FT. 
.MON NIGHT...NE WIND 25 TO 35 KT. SEAS 8 TO 13 FT. 
.TUE...NE WIND 15 TO 30 KT. SEAS 8 TO 12 FT. 
.TUE NIGHT...NE WIND 10 TO 20 KT. SEAS 8 TO 11 FT. 
.WED...NE WIND 15 KT. SEAS 7 FT. 
.THU...SE WIND 15 KT. SEAS 5 FT. 
.FRI...SW WIND 20 KT. SEAS 5 FT.  

$$

PKZ414-281500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT SUN MAR 27 2011

...GALE WARNING MONDAY NIGHT...

.TONIGHT...NE WIND 15 KT. SEAS 3 FT. 
.MON...NE WIND 15 TO 30 KT. SEAS 3 TO 7 FT. FREEZING SPRAY. 
.MON NIGHT...NE WIND 20 TO 35 KT. SEAS 4 TO 9 FT. FREEZING SPRAY.
.TUE...NE WIND 20 TO 30 KT. SEAS 4 TO 11 FT. 
.TUE NIGHT...N WIND 30 KT. SEAS 11 FT. 
.WED...N WIND 30 KT. SEAS 10 FT. 
.THU...N WIND 15 KT. SEAS 5 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 4 FT.  

$$

830 
FZAK62 PAFC 281206
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT MON MAR 28 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.

PKZ499-290300-
400 AM AKDT MON MAR 28 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A 967 MB LOW NEAR 47N 177W MOVES TO 50N 164W TUE AFTERNOON AT 975 MB
AND THEN INTO THE WESTERN GULF OF ALASKA. WEAK HIGH PRESSURE PERSISTS
OVER THE NORTHERN BERING SEA THROUGH THE FORECAST PERIOD. A 1002 MB
LOW FORMS NEAR 52N 171E TUE AFTERNOON.

$$

PKZ411-290300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT MON MAR 28 2011

.TODAY...E WIND 25 KT. SEAS 6 FT. 
.TONIGHT AND TUE...NE WIND 25 KT. SEAS 9 FT. 
.TUE NIGHT AND WED...VARIABLE WIND 15 KT. SEAS 9 FT. 
.THU AND FRI...SW WIND 20 KT. SEAS 6 FT.

$$

PKZ412-290300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT MON MAR 28 2011

.TODAY...E WIND 15 TO 25 KT. SEAS 5 FT. 
.TONIGHT...E WIND 20 TO 30 KT. SEAS 8 FT. FREEZING SPRAY. 
.TUE...NE WIND 30 KT. SEAS 9 FT. FREEZING SPRAY. 
.TUE NIGHT AND WED...NE WIND 30 KT. SEAS 10 FT. 
.THU AND FRI...VARIABLE WIND 20 KT. SEAS 4 FT. 

$$

PKZ413-290300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT MON MAR 28 2011

...GALE WARNING THROUGH TUESDAY...

.TODAY...E WIND 25 TO 35 KT. SEAS 13 FT. 
.TONIGHT...NE WIND 30 TO 40 KT. SEAS 15 FT. 
.TUE...NE WIND 25 TO 35 KT. SEAS 15 FT. 
.TUE NIGHT...NE WIND 20 TO 30 KT. SEAS 13 FT. 
.WED...NE WIND 25 KT. SEAS 12 FT. 
.THU AND FRI...E WIND 15 KT. SEAS 6 FT. 

$$

PKZ414-290300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT MON MAR 28 2011

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

.TODAY...E WIND 25 TO 35 KT. SEAS 8 FT. FREEZING SPRAY. 
.TONIGHT...NE WIND 25 TO 35 KT. SEAS 10 FT. HEAVY FREEZING SPRAY. 
.TUE...NE WIND 35 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. 
.TUE NIGHT AND WED...NE WIND 30 KT. SEAS 12 FT. 
.THU...NE WIND 15 KT. SEAS 6 FT.
.FRI...E WIND 15 KT. SEAS 3 FT.  

$$

546 
FZAK62 PAFC 290000
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT MON MAR 28 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.

PKZ499-291500-
400 PM AKDT MON MAR 28 2011
.SYNOPSIS FOR CENTRAL BERING SEA...
A 967 MB LOW AT 46N 175W MOVES TO 58N 151W THU MORNING AT 993 MB.
WEAK HIGH PRESSURE PERSISTS OVER THE NORTHERN BERING SEA THROUGH THE
PERIOD.
$$

PKZ411-291500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT MON MAR 28 2011

.TONIGHT...NE WIND 20 KT. SEAS 8 FT. 
.TUE...NE WIND 20 KT. SEAS 10 FT. 
.TUE NIGHT...NE WIND 15 KT. SEAS 10 FT. 
.WED...NE WIND 15 KT. SEAS 9 FT. 
.WED NIGHT...E WIND 15 KT. SEAS 7 FT. 
.THU...S WIND 20 KT. SEAS 6 FT. 
.FRI...SW WIND 20 KT. SEAS 6 FT. 
.SAT...W WIND 20 KT. SEAS 6 FT.  

$$

PKZ412-291500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT MON MAR 28 2011

.TONIGHT...NE WIND 20 TO 30 KT. SEAS 8 FT. FREEZING SPRAY. 
.TUE AND TUE NIGHT...NE WIND 30 KT. SEAS 10 FT. FREEZING SPRAY. 
.WED AND WED NIGHT...NE WIND 25 KT. SEAS 9 FT. 
.THU AND FRI...S WIND 20 KT. SEAS 5 FT. 
.SAT...NW WIND 15 KT. SEAS 4 FT. 

$$

PKZ413-291500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT MON MAR 28 2011

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...NE WIND 35 KT. SEAS 10 TO 14 FT. 
.TUE...NE WIND 35 KT. SEAS 14 FT. 
.TUE NIGHT...NE WIND 30 KT. SEAS 13 FT. 
.WED AND WED NIGHT...NE WIND 25 KT. SEAS 11 FT. 
.THU...E WIND 20 KT. SEAS 8 FT. 
.FRI...NE WIND 15 KT. SEAS 5 FT. 
.SAT...NW WIND 25 KT. SEAS 6 FT. 

$$

PKZ414-291500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT MON MAR 28 2011

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...NE WIND 25 TO 35 KT. SEAS 10 FT. FREEZING SPRAY. 
.TUE...NE WIND 35 KT. SEAS 11 FT. FREEZING SPRAY. 
.TUE NIGHT...NE WIND 30 KT. SEAS 11 FT. FREEZING SPRAY. 
.WED AND WED NIGHT...N WIND 35 KT. SEAS 11 FT. 
.THU...NE WIND 25 KT. SEAS 9 FT.
.FRI...E WIND 15 KT. SEAS 3 FT. 
.SAT...N WIND 20 KT. SEAS 5 FT.  

$$

JAM MAR 11

876 
FZAK62 PAFC 291153
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT TUE MAR 29 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.

PKZ499-300300-
400 AM AKDT TUE MAR 29 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A 972 MB LOW AT 49N 165W WEAKENS TO 979 MB AND MOVES TO 51N 158W TUE
NIGHT AND INTO THE GULF OF ALASKA WEDNESDAY MORNING. A 998 MB LOW AT
53N 167E WILL MOVE TO 49N 174E ON WEDNESDAY NIGHT. WEAK HIGH PRESSURE
PERSISTS OVER THE NORTHERN BERING SEA THROUGH THE PERIOD.

$$

PKZ411-300300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT TUE MAR 29 2011

.TODAY...NE WIND 15 KT. SEAS 8 FT. 
.TONIGHT THROUGH WED NIGHT...NE WIND 15 KT. SEAS 8 FT. 
.THU...S WIND 25 KT. SEAS 5 FT. 
.FRI AND SAT...W WIND 20 KT. SEAS 7 FT. 

$$

PKZ412-300300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT TUE MAR 29 2011

.TODAY...NE WIND 15 TO 25 KT. SEAS 9 FT. FREEZING SPRAY. 
.TONIGHT...NE WIND 15 TO 25 KT. SEAS 9 FT. FREEZING SPRAY. 
.WED...VARIABLE WIND 15 KT. SEAS 6 FT. FREEZING SPRAY. 
.WED NIGHT...VARIABLE WIND 15 KT. SEAS 5 FT. 
.THU AND FRI...SW WIND 20 KT. SEAS 4 FT.
.SAT...NW WIND 20 KT. SEAS 7 FT. 

$$

PKZ413-300300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT TUE MAR 29 2011

...GALE WARNING TODAY...

.TODAY...NE WIND 30 TO 40 KT. SEAS 12 FT. 
.TONIGHT...NE WIND 15 TO 25 KT. SEAS 11 FT. 
.WED...NE WIND 20 KT. SEAS 10 FT. 
.WED NIGHT THROUGH FRI...NE WIND 15 KT. SEAS 8 FT. 
.SAT...NW WIND 25 KT. SEAS 9 FT. 

$$

PKZ414-300300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT TUE MAR 29 2011

...HEAVY FREEZING SPRAY WARNING THROUGH WEDNESDAY...
...GALE WARNING THROUGH WEDNESDAY...

.TODAY...NE WIND 30 TO 40 KT. SEAS 10 FT. HEAVY FREEZING SPRAY. 
.TONIGHT AND WED...NE WIND 30 TO 40 KT. SEAS 10 FT. HEAVY FREEZING
SPRAY. 
.WED NIGHT...N WIND 30 KT. SEAS 9 FT. 
.THU THROUGH SAT...NE WIND 25 KT. SEAS 7 FT.

$$

938 
FZAK62 PAFC 292358
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT TUE MAR 29 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.

PKZ499-301500-
400 PM AKDT TUE MAR 29 2011
.SYNOPSIS FOR CENTRAL BERING SEA...
A 978 MB LOW NEAR 52N 158W WILL MOVE TO 60N 146W THU MORNING AT 996
MB AND THEN REMAIN NEARLY STATIONARY THROUGH THU AFTERNOON. HIGH
PRESSURE WILL RESIDE OVER THE NORTHERN BERING THROUGH THU.
$$

PKZ411-301500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT TUE MAR 29 2011

.TONIGHT...E WIND 15 KT...EXCEPT VARIABLE 15 KT NORTH OF 56N. SEAS 9
FT. 
.WED...E WIND 20 KT...EXCEPT VARIABLE 10 KT NORTH OF 56N. SEAS 8 FT. 
.WED NIGHT...E WIND 20 KT. SEAS 7 FT. 
.THU...SE WIND 20 KT. SEAS 6 FT. 
.THU NIGHT...S WIND 30 KT. SEAS 7 FT. 
.FRI...W WIND 35 KT. SEAS 9 FT. 
.SAT...W WIND 25 KT. SEAS 8 FT. 
.SUN...S WIND 30 KT. SEAS 12 FT.  
$$

PKZ412-301500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT TUE MAR 29 2011

.TONIGHT...NE WIND 15 TO 25 KT. SEAS 9 FT. FREEZING SPRAY. 
.WED...NE WIND 25 KT BECOMING VARIABLE 20 KT IN THE AFTERNOON. SEAS 8
FT. FREEZING SPRAY EAST OF 175W. 
.WED NIGHT...SE WIND 15 KT. SEAS 5 FT. 
.THU...SE WIND 20 KT. SEAS 5 FT. 
.THU NIGHT...SE WIND 25 KT. SEAS 6 FT. 
.FRI...SE WIND 30 KT. SEAS 7 FT. 
.SAT...NW WIND 20 KT. SEAS 8 FT.
.SUN...S WIND 25 KT. SEAS 8 FT.  
$$

PKZ413-301500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT TUE MAR 29 2011

.TONIGHT...NE WIND 20 TO 30 KT. SEAS 12 FT. 
.WED...NE WIND 15 TO 25 KT. SEAS 10 FT. 
.WED NIGHT...E WIND 20 KT. SEAS 8 FT. 
.THU AND THU NIGHT...E WIND 25 KT. SEAS 7 FT. 
.FRI...NE WIND 20 KT. SEAS 6 FT. 
.SAT...NW WIND 25 KT. SEAS 11 FT. 
.SUN...SW WIND 30 KT. SEAS 11 FT.  
$$

PKZ414-301500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT TUE MAR 29 2011

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

.TONIGHT...N WIND 25 TO 35 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. 
.WED...N WIND 25 TO 35 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. 
.WED NIGHT...N WIND 20 TO 35 KT. SEAS 9 FT. HEAVY FREEZING SPRAY. 
.THU...NE WIND 25 KT. SEAS 8 FT. 
.THU NIGHT...NE WIND 25 KT. SEAS 7 FT. 
.FRI...NE WIND 20 KT. SEAS 6 FT. 
.SAT...N WIND 25 KT. SEAS 13 FT. 
.SUN...W WIND 30 KT. SEAS 14 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 Mar 26, 5:00 PM AKDT, 11 hours earlier.

Area forecast discussion, Mar 26, 5:00 PM AKDT, 11 hours before

SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
500 PM AKDT SAT MAR 26 2011

.MODEL DISCUSSION...
THE MODELS ARE IN VERY GOOD AGREEMENT THROUGH MONDAY NIGHT.

.ANALYSIS AND UPPER LEVELS...
A LARGE STATIONARY UPPER LOW OVER SIBERIA EXTENDS A TROUGH THROUGH
NORTHWEST AND SOUTHCENTRAL ALASKA. THE JET STREAM REMAINS WELL SOUTH
OF THE STATE BETWEEN 40N AND 50N LATITUDE AND HAS KEPT THE LARGE
STORM SYSTEMS AWAY FROM THE STATE.

THE SURFACE PRESSURE PATTERN REMAINS FAIRLY WEAK OVER THE STATE AND
THE BERING SEA. A WEAK TROUGH WITH ISOLATED SNOW SHOWERS EXTENDS OUT
OF THE GULF OF ALASKA INTO THE EASTERN MAINLAND. A WEAK SURFACE RIDGE
LIES OVER THE THE EASTERN BERING AND THE WEST COAST OF THE STATE.

.SHORT TERM FORECAST...
THE WEAK UPPER TROUGH OVER MAINLAND ALASKA WILL BEGIN MOVE NORTH
SUNDAY NIGHT AS AN UPPER RIDGE OVER CANADA BEGINS TO BUILD INTO THE
CENTRAL INTERIOR. SCATTERED SHOWERS WILL PERSIST OVER THE NORTHERN
GULF AND THE COPPER RIVER BASIN THROUGH SUNDAY EVENING THEN DIMINISH
MONDAY NIGHT. SKIES OVER SOUTHWEST ALASKA WILL GRADUALLY DIMINISH AS
A SURFACE HIGH DEVELOPS NEAR GALENA SUNDAY.

.LONG TERM FORECAST...
THE UPPER RIDGE OVER THE CENTRAL INTERIOR MONDAY NIGHT WILL FLATTEN
AND MOVE NORTH TUESDAY. A NEW STORM SYSTEM WILL MOVE INTO THE WESTERN
GULF WEDNESDAY. MORE CLOUDS AND PRECIPITATION WILL MOVE BACK INTO
SOUTHERN ALASKA TUESDAY AND WEDNESDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...NONE.
FIRE WEATHER...NONE.

NM MAR 11

The office that day

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

Issued	Product	Office	Lasted
Mar 26, 4:00 PM AKDT	Small Craft Advisory	AFC	12 hr
Mar 26, 4:00 PM AKDT	Small Craft Advisory	AFC	6 days
Mar 27, 4:00 AM AKDT	Gale Warning	AFC	48 hr
Mar 27, 4:00 AM AKDT	Small Craft Advisory	AFC	24 hr
Mar 27, 4:00 AM AKDT	Small Craft Advisory	AFC	4 days

Nearby

Gale Warnings in Alaska, 2011 Every gale 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.