Alert archive / Alaska / Gale Warnings in 2008

Gale Warning 417, NWS Anchorage, AK

May 21, 2008

NWS Anchorage, AK issued this gale warning at May 21, 2008, 11:00 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
May 21, 2008, 11:00 PM AKDT (07:00 UTC)
Expired
May 23, 2008, 11:00 PM AKDT
In force
48 hr
Issued by
NWS Anchorage, AK

The text

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

000 
FZAK62 PAFC 221131
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM ADT THU MAY 22 2008

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.

PKZ499-230200-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 1000 MB LOW NEAR 45N 162W STRENGTHENS TO 982 MB AS IT MOVES TO
FALSE PASS FRI MORNING. THE LOW THEN WEAKENS TO 991 MB AS IT MOVES TO
NEAR 58N 167W LATE FRI NIGHT.

$$

PKZ411-230200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM ADT THU MAY 22 2008

.TODAY...W WIND 15 KT. SEAS 6 FT. 
.TONIGHT AND FRI...N WIND 15 KT. SEAS 5 FT. 
.FRI NIGHT...NW WIND 20 KT. SEAS 7 FT. 
.SAT...NW WIND 15 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 5 FT. 
.MON...S WIND 20 KT. SEAS 6 FT.  

$$

PKZ412-230200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM ADT THU MAY 22 2008

.TODAY...N WIND 20 KT. SEAS 5 FT. 
.TONIGHT...NE WIND 20 KT. SEAS 6 FT. 
.FRI...N WIND 30 KT. SEAS 8 FT. 
.FRI NIGHT...N WIND 25 KT. SEAS 8 FT. 
.SAT...NW WIND 20 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 5 FT. 
.MON...S WIND 25 KT. SEAS 7 FT.  

$$

PKZ413-230200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM ADT THU MAY 22 2008

.TODAY...N WIND 20 KT. SEAS 6 FT. 
.TONIGHT...N WIND 20 KT. SEAS 6 FT. 
.FRI...N WIND 30 KT. SEAS 8 FT. 
.FRI NIGHT...NW WIND 25 KT. SEAS 9 FT. 
.SAT...NW WIND 20 KT. SEAS 9 FT. 
.SUN...SW WIND 15 KT. SEAS 6 FT. 
.MON...S WIND 25 KT. SEAS 7 FT.  

$$

PKZ414-230200-
BERING SEA OFFSHORE EAST OF 171W
400 AM ADT THU MAY 22 2008

...GALE WARNING TONIGHT...

.TODAY...E WIND 20 KT. SEAS 5 FT. AREAS OF FOG. 
.TONIGHT...NE WIND 35 KT. SEAS BUILDING TO 9 FT. RAIN AND SNOW
SHOWERS.
.FRI...NE WIND 30 KT. SEAS 10 FT. RAIN AND SNOW SHOWERS. 
.FRI NIGHT...NW WIND 30 KT. SEAS 9 FT. 
.SAT...SW WIND 30 KT. SEAS 9 FT. 
.SUN...SW WIND 20 KT. SEAS 8 FT. 
.MON...S WIND 20 KT. SEAS 6 FT.  

$$
5 follow-up statements
000 
FZAK62 PAFC 230707 CCA
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM ADT THU MAY 22 2008

CORRECTED ZONE 414.

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.

PKZ499-231400-
.SYNOPSIS FOR CENTRAL BERING SEA...

THE 987 MB LOW AT 49N 163W WILL INTENSIFY TO 980 MB TONIGHT THEN
WEAKEN TO 986 MB AT 56N 168W FRI. THE LOW WILL CONTINUE WEAKENING TO
995 MB AS IT MOVES TO 59N 172W SAT. 

$$

PKZ411-231400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM ADT THU MAY 22 2008

.TONIGHT...N WIND 15 KT. SEAS 4 FT. 
.FRI...N WIND 15 KT. SEAS 6 FT. 
.FRI NIGHT AND SAT...NW WIND 25 KT. SEAS 7 FT. 
.SAT NIGHT...W WIND 15 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 5 FT. 
.MON...S WIND 20 KT. SEAS 5 FT. 
.TUE...SE WIND 15 KT. SEAS 4 FT.  

$$

PKZ412-231400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM ADT THU MAY 22 2008

.TONIGHT...NE WIND 25 KT. SEAS 5 FT. 
.FRI...N WIND 30 KT. SEAS 9 FT. 
.FRI NIGHT...N WIND 25 KT. SEAS 9 FT. 
.SAT...NW WIND 20 KT. SEAS 8 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 6 FT. 
.MON...S WIND 20 KT. SEAS 5 FT. 
.TUE...SE WIND 15 KT. SEAS 5 FT.  

$$

PKZ413-231400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM ADT THU MAY 22 2008

.TONIGHT...N WIND 20 KT. SEAS 6 FT. 
.FRI...N WIND 30 KT. SEAS 9 FT. 
.FRI NIGHT...NW WIND 25 KT. SEAS 10 FT. 
.SAT...NW WIND 20 KT. SEAS 9 FT. 
.SAT NIGHT...W WIND 15 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 6 FT. 
.MON...SE WIND 20 KT. SEAS 5 FT. 
.TUE...SE WIND 15 KT. SEAS 7 FT.  

$$

PKZ414-231400-
BERING SEA OFFSHORE EAST OF 171W
400 PM ADT THU MAY 22 2008

...GALE WARNING TONIGHT...

.TONIGHT...NE WIND 35 KT. SEAS 10 FT. RAIN AND SNOW SHOWERS.
.FRI...NE WIND 30 KT. SEAS 11 FT. RAIN AND SNOW SHOWERS. 
.FRI NIGHT...EAST OF 167W...S WIND 30 KT. WEST OF 167W...N WIND 15
KT. SEAS 9 FT. 
.SAT...SW WIND 30 KT. SEAS 9 FT. 
.SAT NIGHT...SW WIND 25 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 6 FT. 
.MON...S WIND 15 KT. SEAS 5 FT. 
.TUE...SE WIND 15 KT. SEAS 4 FT.  

$$
000 
FZAK62 PAFC 231122
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM ADT FRI MAY 23 2008

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.

PKZ499-240200-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 980 MB LOW NEAR 53N 167W EARLY THIS MORNING CROSSES FALSE PASS 
MID MORNING. THE LOW THEN WEAKENS TO 989 MB NEAR 58N 168W FRI
NIGHT...AND FURTHER WEAKENS TO 999 MB AS IT MOVES TO NEAR 61N 173W
LATE SAT AFTERNOON.

$$

PKZ411-240200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM ADT FRI MAY 23 2008

.TODAY...N WIND 15 KT. SEAS 6 FT. 
.TONIGHT AND SAT...NW WIND 20 KT. SEAS 7 FT. 
.SAT NIGHT...W WIND 15 KT. SEAS 6 FT. 
.SUN...SW WIND 15 KT. SEAS 5 FT. 
.MON...S WIND 15 KT. SEAS 4 FT. 
.TUE...E WIND 15 KT. SEAS 5 FT.  

$$

PKZ412-240200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM ADT FRI MAY 23 2008

.TODAY...N WIND 30 KT. SEAS 9 FT. 
.TONIGHT...N WIND 25 KT. SEAS 8 FT. 
.SAT...NW WIND 20 KT. SEAS 8 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 6 FT. 
.MON...S WIND 15 KT. SEAS 5 FT. 
.TUE...SE WIND 15 KT. SEAS 5 FT.  

$$

PKZ413-240200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM ADT FRI MAY 23 2008

...GALE WARNING TODAY...

.TODAY...N WIND 35 KT. SEAS 9 FT. 
.TONIGHT...NW WIND 30 KT. SEAS 10 FT. SNOW SHOWERS. 
.SAT...NW WIND 20 KT. SEAS 8 FT. 
.SAT NIGHT...W WIND 15 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 6 FT. 
.MON...SE WIND 20 KT. SEAS 5 FT. 
.TUE...SE WIND 20 KT. SEAS 7 FT.  

$$

PKZ414-240200-
BERING SEA OFFSHORE EAST OF 171W
400 AM ADT FRI MAY 23 2008

...GALE WARNING THROUGH TONIGHT...

.TODAY...NE WIND 35 KT. SEAS 11 FT. SNOW AND RAIN SHOWERS. 
.TONIGHT...SW WIND 35 KT. SEAS 10 FT. 
.SAT...SW WIND 30 KT. SEAS 10 FT. 
.SAT NIGHT...SW WIND 25 KT. SEAS 8 FT. 
.SUN...SW WIND 15 KT. SEAS 6 FT. 
.MON...S WIND 15 KT. SEAS 5 FT. 
.TUE...SE WIND 15 KT. SEAS 4 FT.  

$$
000 
FZAK62 PAFC 232227
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM ADT FRI MAY 23 2008

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.

PKZ499-241400-
.SYNOPSIS FOR CENTRAL BERING SEA...

A 988 MB LOW AT 57N 166W WILL MOVE TO A 996 MB LOW AT 60N 170W BY SAT
AFTERNOON AND TO A 1008 MB LOW AT 63N 171W BY SUN AFTERNOON. 

$$

PKZ411-241400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM ADT FRI MAY 23 2008

.TONIGHT...NW WIND 20 KT. SEAS 7 FT. 
.SAT...NW WIND 20 KT. SEAS 7 FT. 
.SAT NIGHT...NW WIND 15 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 6 FT. 
.SUN NIGHT...VARIABLE WIND 10 KT. SEAS 4 FT. 
.MON...SE WIND 15 KT. SEAS 4 FT. 
.TUE AND WED...E WIND 15 KT. SEAS 5 FT. 

$$

PKZ412-241400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM ADT FRI MAY 23 2008

.TONIGHT...N WIND 30 KT. SEAS 7 FT. SNOW SHOWERS. 
.SAT...NW WIND 20 KT. SEAS 7 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 7 FT. 
.SUN...W WIND 15 KT. SEAS 6 FT. 
.SUN NIGHT...SW WIND 15 KT. SEAS 5 FT. 
.MON...SE WIND 15 KT. SEAS 4 FT. 
.TUE...E WIND 15 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 6 FT.  

$$

PKZ413-241400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM ADT FRI MAY 23 2008

.TONIGHT...NW WIND 30 KT. SEAS 11 FT. SNOW SHOWERS. 
.SAT...NW WIND 20 KT. SEAS 9 FT. 
.SAT NIGHT AND SUN...W WIND 15 KT. SEAS 7 FT.  
.SUN NIGHT...S WIND 15 KT. SEAS 5 FT. 
.MON...SE WIND 15 KT. SEAS 4 FT. 
.TUE...E WIND 20 KT. SEAS 6 FT. 
.WED...E WIND 15 KT. SEAS 6 FT.  

$$

PKZ414-241400-
BERING SEA OFFSHORE EAST OF 171W
400 PM ADT FRI MAY 23 2008

...GALE WARNING TONIGHT...

.TONIGHT...W WIND 35 KT. SEAS 9 FT. SNOW SHOWERS.
.SAT AND SAT NIGHT...SW WIND 30 KT. SEAS 8 FT. 
.SUN...SW WIND 20 KT. SEAS 6 FT. 
.SUN NIGHT...SW WIND 15 KT. SEAS 5 FT. 
.MON...SE WIND 15 KT. SEAS 4 FT. 
.TUE...E WIND 20 KT. SEAS 6 FT. 
.WED...E WIND 15 KT. SEAS 7 FT.  

$$
000 
FZAK62 PAFC 240046 CCA
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE AK
445 PM ADT FRI MAY 23 2008

CORRECTED SYNOPSIS

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.

PKZ499-241400-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 988 MB LOW 120 NM EAST OF THE PRIBILOFS WILL BECOME A 996 MB LOW
NEAR SAINT MATTHEW ISLAND BY SAT AFTERNOON THEN WEAKEN TO 1008 MB
NEAR SAINT LAWRENCE ISLAND BY SUN AFTERNOON.

$$

PKZ411-241400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM ADT FRI MAY 23 2008

.TONIGHT...NW WIND 20 KT. SEAS 7 FT. 
.SAT...NW WIND 20 KT. SEAS 7 FT. 
.SAT NIGHT...NW WIND 15 KT. SEAS 7 FT. 
.SUN...SW WIND 15 KT. SEAS 6 FT. 
.SUN NIGHT...VARIABLE WIND 10 KT. SEAS 4 FT. 
.MON...SE WIND 15 KT. SEAS 4 FT. 
.TUE AND WED...E WIND 15 KT. SEAS 5 FT. 

$$

PKZ412-241400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM ADT FRI MAY 23 2008

.TONIGHT...N WIND 30 KT. SEAS 7 FT. SNOW SHOWERS. 
.SAT...NW WIND 20 KT. SEAS 7 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 7 FT. 
.SUN...W WIND 15 KT. SEAS 6 FT. 
.SUN NIGHT...SW WIND 15 KT. SEAS 5 FT. 
.MON...SE WIND 15 KT. SEAS 4 FT. 
.TUE...E WIND 15 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 6 FT.  

$$

PKZ413-241400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM ADT FRI MAY 23 2008

.TONIGHT...NW WIND 30 KT. SEAS 11 FT. SNOW SHOWERS. 
.SAT...NW WIND 20 KT. SEAS 9 FT. 
.SAT NIGHT AND SUN...W WIND 15 KT. SEAS 7 FT.  
.SUN NIGHT...S WIND 15 KT. SEAS 5 FT. 
.MON...SE WIND 15 KT. SEAS 4 FT. 
.TUE...E WIND 20 KT. SEAS 6 FT. 
.WED...E WIND 15 KT. SEAS 6 FT.  

$$

PKZ414-241400-
BERING SEA OFFSHORE EAST OF 171W
400 PM ADT FRI MAY 23 2008

...GALE WARNING TONIGHT...

.TONIGHT...W WIND 35 KT. SEAS 9 FT. SNOW SHOWERS.
.SAT AND SAT NIGHT...SW WIND 30 KT. SEAS 8 FT. 
.SUN...SW WIND 20 KT. SEAS 6 FT. 
.SUN NIGHT...SW WIND 15 KT. SEAS 5 FT. 
.MON...SE WIND 15 KT. SEAS 4 FT. 
.TUE...E WIND 20 KT. SEAS 6 FT. 
.WED...E WIND 15 KT. SEAS 7 FT.  

$$
000 
FZAK62 PAFC 241125
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM ADT SAT MAY 24 2008

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.

PKZ499-250200-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 996 MB LOW NEAR 59N 170W THIS MORNING MOVES TO NEAR 60N 171W AT
1002 MB THIS EVENING...THEN TO NEAR 63N 172W AT 1011 MB SUN NIGHT.

$$

PKZ411-250200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM ADT SAT MAY 24 2008

.TODAY...NW WIND 20 KT. SEAS 7 FT. 
.TONIGHT...NW WIND 15 KT. SEAS 6 FT. 
.SUN...SW WIND 15 KT. SEAS 5 FT. 
.SUN NIGHT AND MON...VARIABLE WIND 10 KT. SEAS 4 FT. 
.TUE...E WIND 15 KT. SEAS 5 FT. 
.WED...NE WIND 15 KT. SEAS 5 FT.  

$$

PKZ412-250200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM ADT SAT MAY 24 2008

.TODAY...NW WIND 25 KT. SEAS 8 FT. 
.TONIGHT...NW WIND 20 KT. SEAS 7 FT. 
.SUN...W WIND 15 KT. SEAS 6 FT. 
.SUN NIGHT...SW WIND 15 KT. SEAS 5 FT. 
.MON...S WIND 15 KT. SEAS 4 FT. 
.TUE...E WIND 15 KT. SEAS 5 FT. 
.WED...NE WIND 15 KT. SEAS 5 FT.  

$$

PKZ413-250200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM ADT SAT MAY 24 2008

.TODAY...NW WIND 25 KT. SEAS 9 FT. 
.TONIGHT...W WIND 15 KT. SEAS 7 FT. 
.SUN...W WIND 15 KT. SEAS 6 FT. 
.SUN NIGHT...SW WIND 15 KT. SEAS 5 FT. 
.MON...VARIABLE WIND 10 KT. SEAS 4 FT. 
.TUE...E WIND 15 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 5 FT.  

$$

PKZ414-250200-
BERING SEA OFFSHORE EAST OF 171W
400 AM ADT SAT MAY 24 2008

.TODAY...SW WIND 30 KT. SEAS 9 FT. AREAS OF FOG. 
.TONIGHT...SW WIND 25 KT. SEAS 8 FT. 
.SUN...SW WIND 20 KT. SEAS 7 FT. 
.SUN NIGHT...SW WIND 15 KT. SEAS 5 FT. 
.MON...SE WIND 15 KT. SEAS 4 FT. 
.TUE AND WED...E WIND 20 KT. SEAS 5 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 May 21, 12:00 PM AKDT, 11 hours earlier.

Area forecast discussion, May 21, 12:00 PM AKDT, 11 hours before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM ADT WED MAY 21 2008

.ANALYSIS AND UPPER LEVELS...
AT THE SURFACE THE LOW CURRENTLY NEAR DUTCH HARBOR IS WEAKENING AND
DRIFTING NORTHWEST. THE ASSOCIATED FRONT IS DISSIPATING TO A TROUGH
AND EXTENDS TO JUST SOUTH OF THE PRIBILOF ISLANDS TO NEAR NUNIVAK
ISLAND THEN SOUTHEAST ACROSS THE ALASKA PENINSULA TO SOUTHWEST KODIAK
ISLAND. THIS IS UNDER THE UPPER LOW THAT IS IN A LARGE DEEP UPPER
TROUGH THAT EXTENDS FROM THE CANADIAN ARCTIC SOUTHWEST TO ANOTHER
UPPER LOW OVER THE NORTH PACIFIC AROUND 45N 175W. A STRONG 200 KT JET
IS ASSOCIATED WITH THIS UPPER TROUGH. CURRENT SATELLITE IMAGERY SHOWS
THE NEXT STORM FORMING ABOUT 900 NM SOUTH OF COLD BAY IN THIS TROUGH
AND THAT IS EXPECTED TO IMPACT SOUTHWEST ALASKA THURSDAY NIGHT AND
FRIDAY. THE THERMAL TROUGH PERSISTS FROM THE KUSKOKWIM VALLEY
EAST TO THE COPPER RIVER BASIN AND WILL BE THE FOCUS FOR THIS
AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS. THE THUNDERSTORMS
HAVE ALREADY INITIATED IN THE COPPER RIVER BASIN THIS AFTERNOON.

.MODEL DISCUSSION...
THE MODELS ARE STILL ATTEMPTING TO RESOLVE THE FORECAST TRAJECTORY OF
THE MAJOR INCOMING NORTH PACIFIC STORM. SUCCESSIVE MODEL RUNS
CONTINUE TO MOVE THE LOW WEST AND WE STILL HAVE DOUBTS AS TO THE PATH
THIS STORM WILL TAKE. THE LATEST RUNS INDICATE IT CROSSING THE ALASKA
PENINSULA BETWEEN COLD BAY AND SAND POINT THOUGH WE FEEL THE STORM
WILL MOST LIKELY TRACK THROUGH FALSE PASS INTO THE BERING SEA. AS THE
STORM TRACKS NORTH THE ASSOCIATED FRONT WILL PUSH THROUGH SOUTH
CENTRAL AND SOUTHWEST ALASKA FRIDAY. A RIDGE OF HIGH PRESSURE WILL
BUILD BACK INTO THE GULF OF ALASKA TO PRINCE WILLIAM SOUND.

.SHORT TERM FORECAST...
CONVECTION HAS ALREADY BEGUN IN THE COPPER RIVER BASIN AND WE
ANTICIPATE THE CONVECTION TO INITIATE IN THE LATE AFTERNOON EARLY
EVENING OVER THE MATANUSKA AND SUSITNA VALLEY AREA. THE LATEST
SATELLITE LOOP SHOWS THE CUMULUS DEVELOPING IN THE KUSKOKWIM VALLEY
AND WE ANTICIPATE SOME ISOLATED THUNDERSTORMS AGAIN TONIGHT FOR THAT
REGION. THE INCOMING LOW LEVEL COOL AIR OVER SOUTHWEST ALASKA SHOULD
DAMPEN THE CONVECTIVE POTENTIAL FOR THE BRISTOL BAY AREA THIS
EVENING. EXPECT CLOUDY COOLER CONDITIONS OVER SOUTHWEST ALASKA
THURSDAY THOUGH THE NORTHEAST PORTION OF THE ZONE MAY BE ON THE
FRINGE OF THE CLOUD COVER AND STILL HOLD A POSSIBILITY OF LATE
AFTERNOON CONVECTION THURSDAY.

THE MARINE STRATUS IS OVER THE GULF FROM CAPE SUCKLING EAST AND IS
PUSHING EAST AS THE RIDGE IS PUSHED EAST IN ADVANCE OF THE NEXT
INCOMING STORM. EXPECT THE STRATUS TO PERSIST THROUGH THURSDAY UNTIL
THE RIDGE DOES MOVE OVER THE PANHANDLE.

ON THURSDAY NIGHT AND FRIDAY AS THE HIGH PRESSURE OVER THE
NORTHERN GULF GIVES WAY TO A STRONG WEATHER FRONT...EXPECT STRONG
GUSTY SOUTHEAST WIND AND HEAVIER RAINFALL ALONG THE COASTAL REGIONS.

BERING SEA/ALEUTIANS...
THE WEAK SLOW MOVING LOW PRESSURE NEAR DUTCH HARBOR IS PRODUCING
SHOWERS ACROSS THE ALASKA PENINSULA AND LIGHT SNOW AND RAIN OVER THE
PRIBILOF ISLANDS. EXPECT THE NORTH TO EAST FLOW TO PERSIST OVER THE
PRIBILOFS AND THUS A CONTINUATION OF THE WINTRY WEATHER THROUGH
TONIGHT. THE SECONDARY WRAPPED FRONT WITH THIS LOW IS PRODUCING GALE
FORCE WIND OVER THE WESTERN ALASKA PENINSULA WATERS THAT IS EXPECTED
TO DIMINISH BELOW GALE TONIGHT. THE NEXT STORM MOVING IN FRIDAY IS
EXPECTED TO PRODUCE GALE FORCE WINDS AND SIGNIFICANT PRECIPITATION
ACROSS THE ALASKA PENINSULA AND THE EASTERN BERING FRIDAY AFTERNOON
AND NIGHT...BRINGING WIDESPREAD GALES AND SIGNIFICANT PRECIPITATION
THANKS TO ITS STRONG DYNAMICS AND TAP OF MOISTURE FROM THE TROPICS.

.LONG TERM FORECAST...
ONCE THE STRONG LOW IN THE EASTERN BERING MOVES NORTH AND CLEARS THE
REGION AROUND SUNDAY...A FAIRLY BENIGN WEATHER PATTERN IS EXPECTED
TO SET UP WITH ZONAL WEST TO EAST FLOW AND HIGH PRESSURE SOMEWHERE
OVER THE GULF OF ALASKA OR NORTH PACIFIC SOUTH OF THE AKPEN.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE WARNINGS 132 150 155 .
FIRE WEATHER...NONE.

SAM / AB MAY 08

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 4:20 PM AKDTSmall Craft AdvisoryAFC31 hr
May 21, 11:00 PM AKDTGale WarningAFC36 hr
May 21, 11:00 PM AKDTGale WarningAFC36 hr
May 21, 11:00 PM AKDTGale WarningAFC60 hr
May 21, 11:00 PM AKDTSmall Craft AdvisoryAFC6 days
May 21, 11:00 PM AKDTSmall Craft AdvisoryAFC24 hr
May 22, 3:35 AM AKDTStorm WarningAFC19 hr
May 22, 11:00 AM AKDTBrisk Wind AdvisoryAFC36 hr
May 22, 11:00 AM AKDTGale WarningAFC48 hr

Nearby

Gale Warnings in Alaska, 2008Every gale warning in 2008

Sources

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