Alert archive / Alaska / Gale Warnings in 2007

Gale Warning 926, NWS Anchorage, AK

December 18, 2007

NWS Anchorage, AK issued this gale warning at Dec 18, 2007, 11:00 AM 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
Dec 18, 2007, 11:00 AM AKST (20:00 UTC)
Expired
Dec 20, 2007, 11:00 AM 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 190004
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AST TUE DEC 18 2007

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.

PKZ499-191500-
.SYNOPSIS FOR CENTRAL BERING SEA...

A 980 MB LOW NEAR 56N 172E WILL WEAKEN TO 983 MB AND MOVE NEAR THE 
KAMCHATKA PENINSULA. A 982 MB LOW NEAR 46N 173E WILL DEEPEN TO 966 MB
250 NM EAST OF SHEMYA WED AFTERNOON THEN WEAKEN TO 972 MB 275 NM EAST
OF SHEMYA THU AFTERNOON WITH A FRONT EXTENDING ACROSS THE BERING TO
THE ALASKA PENINSULA.

$$

PKZ411-191500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AST TUE DEC 18 2007

...GALE WARNING THROUGH WEDNESDAY NIGHT...

.TONIGHT...S TO SE WIND 40 KT BECOMING 25 KT AFTER MIDNIGHT. SEAS
21 FT. FREEZING SPRAY. 
.WED...NE WIND 35 KT. SEAS 16 FT. FREEZING SPRAY. 
.WED NIGHT...NE WIND 40 KT. SEAS 20 FT. SNOW SHOWERS. FREEZING
SPRAY. 
.THU...NE WIND 35 KT. SEAS 17 FT. 
.THU NIGHT...N WIND 30 KT. SEAS 13 FT. 
.FRI THROUGH SUN...N WIND 25 KT. SEAS 10 FT. 

$$

PKZ412-191500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AST TUE DEC 18 2007

...STORM WARNING WEDNESDAY NIGHT...

.TONIGHT...SE WIND 40 KT. SEAS 22 FT. FREEZING SPRAY. 
.WED...E WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS
20 FT. FREEZING SPRAY. 
.WED NIGHT...E WIND 50 KT. SEAS 25 FT. SNOW SHOWERS. FREEZING SPRAY. 
.THU...NE WIND 45 KT. SEAS 23 FT. 
.THU NIGHT...NE WIND 30 KT. SEAS 13 FT. 
.FRI...N WIND 25 KT. SEAS 11 FT. 
.SAT...N WIND 30 KT. SEAS 13 FT. 
.SUN...N WIND 25 KT. SEAS 10 FT.  

$$

PKZ413-191500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AST TUE DEC 18 2007

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

.TONIGHT...SE WIND 30 KT. SEAS 13 FT. SNOW SHOWERS. 
.WED...E WIND 45 KT. SEAS 21 FT. SNOW. 
.WED NIGHT...E WIND 45 KT. SEAS 23 FT. SNOW. FREEZING SPRAY. 
.THU...NE WIND 40 KT. SEAS 20 FT. 
.THU NIGHT...NE WIND 30 KT. SEAS 13 FT. 
.FRI...N WIND 20 KT. SEAS 8 FT. 
.SAT AND SUN...NW WIND 25 KT. SEAS 10 FT. 

$$

PKZ414-191500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AST TUE DEC 18 2007

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

.TONIGHT...NE WIND 20 KT. SEAS 10 FT. HEAVY FREEZING SPRAY. 
.WED...E WIND 25 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS
BUILDING TO 19 FT. HEAVY FREEZING SPRAY. 
.WED NIGHT...E WIND 40 KT. SEAS 20 FT. SNOW SHOWERS. HEAVY FREEZING
SPRAY. 
.THU...E WIND 40 KT. SEAS 20 FT. 
.THU NIGHT...NE WIND 30 KT. SEAS 13 FT. 
.FRI...N WIND 25 KT. SEAS 10 FT. 
.SAT...NW WIND 30 KT. SEAS 13 FT. 
.SUN...N WIND 25 KT. SEAS 10 FT.  

$$
4 follow-up statements
000 
FZAK62 PAFC 191230
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AST WED DEC 19 2007

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.

PKZ499-200300-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 971 MB LOW AT 50N 180 WILL WEAKEN TO A 977 MB LOW AT 54N 171W FRI
MORNING. 

$$

PKZ411-200300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AST WED DEC 19 2007

...HEAVY FREEZING SPRAY WARNING THURSDAY...
...GALE WARNING THROUGH THURSDAY...

.TODAY...NE WIND 40 KT. SEAS 18 FT. SNOW AND RAIN SHOWERS.
FREEZING SPRAY. 
.TONIGHT...NE WIND 45 KT. SEAS 23 FT. SNOW SHOWERS AND RAIN.
FREEZING SPRAY. 
.THU...NE WIND 40 KT. SEAS 23 FT. HEAVY FREEZING SPRAY. 
.THU NIGHT...N WIND 35 KT. SEAS 22 FT. 
.FRI THROUGH SUN...N WIND 25 KT. SEAS 11 FT. 

$$

PKZ412-200300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AST WED DEC 19 2007

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

.TODAY...E WIND 35 KT INCREASING TO 45 KT IN THE AFTERNOON. SEAS
17 FT. FREEZING SPRAY. 
.TONIGHT...NE WIND 50 KT. SEAS 22 FT. AREAS OF SNOW. HEAVY FREEZING
SPRAY. 
.THU...NE WIND 50 KT. SEAS 22 FT. HEAVY FREEZING SPRAY. 
.THU NIGHT...NE WIND 40 KT. SEAS 21 FT. 
.FRI THROUGH SUN...N WIND 25 KT. SEAS 12 FT. 

$$

PKZ413-200300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AST WED DEC 19 2007

...STORM WARNING THROUGH TONIGHT...

.TODAY...E WIND 50 KT. SEAS 20 FT. SNOW AND RAIN. 
.TONIGHT...E WIND 50 KT. SEAS 23 FT. SNOW AND RAIN. FREEZING SPRAY. 
.THU...NE WIND 40 KT. SEAS 23 FT. FREEZING SPRAY. 
.THU NIGHT...NE WIND 35 KT. SEAS 23 FT. 
.FRI...N WIND 20 KT. SEAS 10 FT. 
.SAT AND SUN...NW WIND 25 KT. SEAS 11 FT. 

$$

PKZ414-200300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AST WED DEC 19 2007

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

.TODAY...E WIND 25 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS
13 FT. FREEZING SPRAY. 
.TONIGHT AND THU...E WIND 40 KT. SEAS 16 FT. SNOW. HEAVY FREEZING
SPRAY. 
.THU NIGHT...NE WIND 30 KT. SEAS 14 FT. 
.FRI...N WIND 25 KT. SEAS 12 FT. 
.SAT...NW WIND 30 KT. SEAS 11 FT. 
.SUN...N WIND 25 KT. SEAS 9 FT.  

$$
000 
FZAK62 PAFC 200035
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AST WED DEC 19 2007

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.

PKZ499-201500-
.SYNOPSIS FOR CENTRAL BERING SEA...

A 965 MB LOW NEAR 53N 177W WILL MAINTAIN STRENGTH AND MOVE TO 
54N 172W THU AFTERNOON. THE LOW WILL WEAKEN TO 974 MB NEAR 54N 162W
FRI AFTERNOON. HIGH PRESSURE TO BUILD OVER THE WESTERN BERING FRI.

$$

PKZ411-201500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AST WED DEC 19 2007

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...NE WIND 30 TO 40 KT. SEAS 13 T0 20 FT. SNOW SHOWERS.
FREEZING SPRAY. 
.THU...NE WIND 35 KT. SEAS 17 FT. SNOW SHOWERS. FREEZING SPRAY. 
.THU NIGHT...NE WIND 30 KT. SEAS 13 FT. FREEZING SPRAY. 
.FRI THROUGH SAT...N WIND 20 KT. SEAS 8 FT. 
.SUN AND MON...W TO N WIND 25 KT. SEAS 10 FT. 

$$

PKZ412-201500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AST WED DEC 19 2007

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

.TONIGHT...NE WIND 50 KT. SEAS 22 FT. SNOW SHOWERS. HEAVY FREEZING
SPRAY. 
.THU...NE WIND 50 KT. SEAS 24 FT. SNOW. HEAVY FREEZING SPRAY. 
.THU NIGHT...NE WIND 45 KT. SEAS 21 FT. HEAVY FREEZING SPRAY. 
.FRI...N WIND 30 KT. SEAS 13 FT. 
.FRI NIGHT AND SAT...N WIND 20 KT. SEAS 8 FT. 
.SUN...NW WIND 25 KT. SEAS 10 FT. 
.MON...NW WIND 30 KT. SEAS 13 FT.  

$$

PKZ413-201500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AST WED DEC 19 2007

...STORM WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...NE WIND 50 KT. SEAS 26 FT. SNOW. FREEZING SPRAY. 
.THU...NE WIND 50 KT. SEAS 24 FT. SNOW AND RAIN. 
.THU NIGHT...N WIND 50 KT. SEAS 25 FT. SNOW. 
.FRI...N WIND 35 KT. SEAS 17 FT. 
.FRI NIGHT AND SAT...N WIND 20 KT. SEAS 8 FT. 
.SUN...NW WIND 25 KT. SEAS 10 FT. 
.MON...W WIND 30 KT. SEAS 13 FT.  

$$

PKZ414-201500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AST WED DEC 19 2007


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

.TONIGHT...E WIND 35 TO 45 KT. SEAS 16 TO 22 FT. SNOW SHOWERS. HEAVY
FREEZING SPRAY. 
.THU...E WIND 40 TO 50 KT. SEAS 19 TO 26 FT. SNOW. HEAVY FREEZING
SPRAY. 
.THU NIGHT...NE WIND 45 KT. SEAS 24 FT. SNOW. HEAVY FREEZING SPRAY. 
.FRI...N WIND 45 KT. SEAS 24 FT. 
.FRI NIGHT...N WIND 35 KT. SEAS 16 FT. 
.SAT...NW WIND 30 KT. SEAS 13 FT. 
.SUN...NW WIND 25 KT. SEAS 10 FT. 
.MON...W WIND 30 KT. SEAS 13 FT.  

$$
000 
FZAK62 PAFC 201230
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AST THU DEC 20 2007

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.

PKZ499-210300-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 966 MB LOW NEAR 54N 172W WILL WEAKEN TO 978 MB NEAR 58N 157W FRIDAY
NIGHT. HIGH PRESSURE WILL BUILD OVER THE WESTERN BERING SEA FRIDAY.

$$

PKZ411-210300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AST THU DEC 20 2007

...GALE WARNING TODAY...

.TODAY...NE WIND 35 KT. SEAS 20 FT. PATCHY FOG. SNOW SHOWERS.
FREEZING SPRAY. 
.TONIGHT...NE WIND 30 KT. SEAS 19 FT. PATCHY FOG. FREEZING SPRAY. 
.FRI...N WIND 20 KT. SEAS 16 FT. PATCHY FOG. FREEZING SPRAY. 
.FRI NIGHT...N WIND 20 KT. SEAS 13 FT. 
.SAT...N WIND 20 KT. SEAS 11 FT. 
.SUN...NW WIND 25 KT. SEAS 9 FT. 
.MON...W WIND 25 KT. SEAS 9 FT.  

$$

PKZ412-210300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AST THU DEC 20 2007

...HEAVY FREEZING SPRAY WARNING THROUGH FRIDAY...
...GALE WARNING THROUGH FRIDAY...

.TODAY AND TONIGHT...NE WIND 45 KT. SEAS 22 FT. HEAVY FREEZING SPRAY.

.FRI...N WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS
16 FT. HEAVY FREEZING SPRAY. 
.FRI NIGHT...N WIND 20 KT. SEAS 13 FT. 
.SAT...N WIND 20 KT. SEAS 12 FT. 
.SUN...NW WIND 25 KT. SEAS 10 FT. 
.MON...W WIND 30 KT. SEAS 11 FT.  

$$

PKZ413-210300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AST THU DEC 20 2007

...GALE WARNING THROUGH FRIDAY...

.TODAY...NE WIND 40 KT. SEAS 24 FT. RAIN AND SNOW SHOWERS. FREEZING
SPRAY WEST OF 175W. 
.TONIGHT...N WIND 40 KT. SEAS 23 FT. RAIN AND SNOW SHOWERS. FREEZING
SPRAY WEST OF 175W. 
.FRI...N WIND 35 KT. SEAS 20 FT. FREEZING SPRAY. 
.FRI NIGHT...N WIND 20 KT. SEAS 16 FT. 
.SAT...N WIND 20 KT. SEAS 12 FT. 
.SUN...NW WIND 25 KT. SEAS 10 FT. 
.MON...W WIND 30 KT. SEAS 12 FT.  

$$

PKZ414-210300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AST THU DEC 20 2007

...HEAVY FREEZING SPRAY WARNING THROUGH FRIDAY...
...GALE WARNING THROUGH FRIDAY...

.TODAY...E WIND 45 KT. SEAS 17 FT. SNOW. HEAVY FREEZING SPRAY. 
.TONIGHT...NE WIND 45 KT. SEAS 17 FT. SNOW. HEAVY FREEZING SPRAY. 
.FRI...NE WIND 40 KT. SEAS 18 FT. SNOW. HEAVY FREEZING SPRAY. 
.FRI NIGHT...N WIND 40 KT. SEAS 17 FT. 
.SAT...N WIND 35 KT. SEAS 15 FT. 
.SUN...NW WIND 40 KT. SEAS 13 FT. 
.MON...W WIND 30 KT. SEAS 11 FT.  

$$
000 
FZAK62 PAFC 210010
OFFALU

OFFSHORE WATERS FORECAST FOR THE BERING SEA
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AST THU DEC 20 2007

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.

PKZ499-211500-
.SYNOPSIS FOR CENTRAL BERING SEA...
A 968 MB LOW NEAR 53N 172W WILL WEAKEN TO 978 MB NEAR 58N 158W EARLY
SATURDAY EVENING. HIGH PRESSURE WILL BUILD OVER THE WESTERN BERING
SEA FRIDAY NIGHT INTO SATURDAY.

$$

PKZ411-211500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AST THU DEC 20 2007

.TONIGHT...NE WIND 30 KT. SEAS 13 FT. PATCHY FOG. FREEZING SPRAY. 
.FRI...N WIND 20 KT. SEAS 9 FT. PATCHY FOG. FREEZING SPRAY. 
.FRI NIGHT...N WIND 20 KT. SEAS 9 FT. PATCHY FOG. FREEZING SPRAY. 
.SAT...N WIND 15 KT. SEAS 5 FT. 
.SAT NIGHT...N WIND 20 KT. SEAS 8 FT. 
.SUN...NW WIND 25 KT. SEAS 9 FT. 
.MON...NW WIND 25 KT. SEAS 9 FT. 
.TUE...NW WIND 20 KT. SEAS 7 FT.  

$$

PKZ412-211500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AST THU DEC 20 2007

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

.TONIGHT...NE WIND 45 KT. SEAS 21 FT. HEAVY FREEZING SPRAY. 
.FRI...N WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS
16 FT. HEAVY FREEZING SPRAY. 
.FRI NIGHT...N WIND 20 KT. SEAS 12 FT. HEAVY FREEZING SPRAY. 
.SAT...N WIND 20 KT. SEAS 10 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 10 FT. 
.SUN...NW WIND 25 KT. SEAS 9 FT. 
.MON...W WIND 25 KT. SEAS 11 FT. 
.TUE...NW WIND 20 KT. SEAS 9 FT.  

$$

PKZ413-211500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AST THU DEC 20 2007

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...N WIND 45 KT. SEAS 23 FT. FREEZING SPRAY. 
.FRI...N WIND 35 KT. SEAS 20 FT. FREEZING SPRAY. 
.FRI NIGHT...N WIND 20 KT. SEAS 16 FT. FREEZING SPRAY. 
.SAT...N WIND 15 KT. SEAS 11 FT. 
.SAT NIGHT...N WIND 20 KT. SEAS 9 FT. 
.SUN...NW WIND 20 KT. SEAS 8 FT. 
.MON...W WIND 25 KT. SEAS 10 FT. 
.TUE...SE WIND 25 KT. SEAS 9 FT.  

$$

PKZ414-211500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AST THU DEC 20 2007

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

.TONIGHT...NE WIND 45 KT. SEAS 17 FT. SNOW. HEAVY FREEZING SPRAY. 
.FRI...NE WIND 40 KT. SEAS 18 FT. HEAVY FREEZING SPRAY. 
.FRI NIGHT...N WIND 40 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. SEAS
17 FT. HEAVY FREEZING SPRAY. 
.SAT...NW WIND 25 KT. SEAS 13 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 9 FT. 
.SUN...W WIND 25 KT. SEAS 8 FT. 
.MON...W WIND 25 KT. SEAS 9 FT. 
.TUE...SW WIND 20 KT. SEAS 10 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 Dec 18, 9:00 AM AKST, 2 hours earlier.

Area forecast discussion, Dec 18, 9:00 AM AKST, 2 hours before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
200 PM AST TUE DEC 18 2007

.ANALYSIS...
THIS AFTERNOON...A SURFACE LOW CONTINUES TO WEAKEN NEAR SHEMYA WITH A
DISSIPATING FRONT OVER THE BERING ACROSS THE EASTERN ALEUTIANS INTO
THE NORTHERN PACIFIC. A 130 KT JET NEAR 43N HELPING TO STRETCH THE
FRONT. A RESIDUAL COLD CORE LOW IN THE GULF WITH A LARGE AREA OF
CONVECTION ENCIRCLING THE LOW. WITH THE COLD AIR POOLED INLAND...A
STRONG SURFACE GRADIENT EXISTS AROUND THE FRINGE OF THE LOW CREATING
SOME MODERATE TO STRONG GAP WINDS ALONG THE COAST. MOST PRECIPITATION
LIMITED TO THE VICINITY OF THE FRONT AND ALONG THE COAST.

.UPPER LEVELS AND MODEL DISCUSSION...
COLD CORE LOW NORTH OF THE URALS WITH A LOW JUST WEST OF THE
KAMCHATKA PENINSULA WITH ANOTHER LOW ANCHORED NEAR BARROW. A PIECE OF
THE KAMCHATKA LOW TO MOVE ACROSS THE BERING WITH THE LOW NEAR BARROW
RETROGRADING TOWARD THE BERING THIS WEEK. THE TWO TO MERGE INTO A
TROUGH LATE THIS WEEK OVER WESTERN ALASKA/EASTERN BERING. THIS LONG
WAVE PATTERN TO REMAIN THROUGH EARLY NEXT WEEK.

MODELS IN GOOD AGREEMENT SYNOPTICALLY FOR THE MOST PART. THE
DIFFERENCES RELATE TO THE ENERGIES ROTATING AROUND THE LARGE LOW
COMPLEXES. THE MAIN MESSAGE IS THAT THE BROAD TROUGH OVER THE BERING
WITH AN ANCHOR OVER THE MAINLAND AND EASTERN SIBERIA WILL CONSOLIDATE
INTO ONE COLD TROUGH OVER WESTERN ALASKA/EASTERN BERING THE END OF
THIS WEEK. THIS TRANSITION IS LEADING TO MANY UNCERTAINTIES IN THE
FORECAST LATER THIS WEEK ESPECIALLY AT THE SURFACE.

.SHORT TERM FORECAST...
SOUTHCENTRAL...
THE LOW IN THE GULF TO REMAIN OVER THE AREA THROUGH WEDNESDAY WITH A
REINFORCING SHORT WAVE MOVING THROUGH SOUTH CENTRAL. THIS WILL KEEP
THE GRADIENT OVER THE GULF COAST WITH MODERATE TO STRONG GAP WINDS
CONTINUING. PRECIPITATION TO REMAIN IN THE GULF OR IMMEDIATE COASTAL
AREAS. HOWEVER...THE LOW CLOUDS AND SNOW SHOWERS WILL CONTINUE IN THE
COPPER RIVER BASIN. THE LOW IS PUSHED OUT OF THE REGION THURSDAY AS A
LOW/FRONT TO MOVE IN FROM THE SOUTH AND BRING SNOW AND RAIN TO
KODIAK. THE FRONT WILL WORK TO THE NORTHERN COAST THURSDAY NIGHT.

ALEUTIANS...
THE LOW NEAR SHEMYA CONTINUING TO WEAKEN AND PULL WEST WITH A
DISSIPATING FRONT OVER THE BERING INTO THE EASTERN ALEUTIANS THROUGH
TONIGHT. MEANWHILE...A STRONG LOW TO DEVELOP SOUTH OF SHEMYA AND
CROSS THE CHAIN BETWEEN ADAK AND SHEMYA WEDNESDAY MORNING. THIS WILL
BRING GALE TO NEAR STORM FORCE WINDS AND PLENTY OF PRECIPITATION TO
THE WESTERN ALEUTIANS. THE LOW TO REMAIN IN THE WESTERN BERING WITH A
FRONT STRETCHING OUT ACROSS THE INTO THURSDAY MORNING. THE LOW TO
WEAKEN THURSDAY NEAR ADAK WITH THE ASSOCIATED FRONT DOING THE SAME.
STRONG WINDS WILL BE ON THE NORTH SIDE OF THIS SYSTEM WITH VERY COLD
AIR TO THE NORTH.

WESTERN ALASKA...
COLD AIR IN PLACE WITH MODERATE NORTHERLY WINDS TO REMAIN OVER THE
AREA THROUGH WEDNESDAY. THE LOW IN THE BERING TO BRING SOME WARMER
TEMPS AND PRECIP TO THE EXTREME COAST AND ALASKA PENINSULA THURSDAY.
COLD AIR TO REMAIN IN PLACE FARTHER INLAND.

.LONG TERM FORECAST...
STARTING THURSDAY...THE UNCERTAINTY IN THE FORECAST IS VERY LARGE.
MODEL GUIDANCE HAS BEEN ALL OVER THE PLACE. SYNOPTICALLY...COLD AIR
MASS WITH SNOW SHOWERS THROUGH THE BERING WITH SYSTEMS ROTATING
THROUGH THE GULF TO THE PANHANDLE OR NORTHERN GULF COAST WITH STRONG
WINDS AND NEAR TO SLIGHT ABOVE NORMAL PRECIPITATION.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE
MARINE...STORM 176
         GALE 170 172 175 179
         HEAVY FREEZING SPRAY 121 129 130 138 140 141 150 180 185
FIRE WEATHER...NONE

JN DEC 07

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 5:22 PM AKSTSmall Craft AdvisoryAFC6 hr
Dec 17, 11:00 PM AKSTGale WarningAFC36 hr
Dec 17, 11:00 PM AKSTGale WarningAFC3 days
Dec 17, 11:00 PM AKSTGale WarningAFC4 hr
Dec 17, 11:00 PM AKSTSmall Craft AdvisoryAFC24 hr
Dec 17, 11:00 PM AKSTStorm WarningAFC48 hr
Dec 18, 2:35 AM AKSTSmall Craft AdvisoryAFC20 hr
Dec 18, 2:40 AM AKSTSmall Craft AdvisoryAFC20 hr
Dec 18, 11:00 AM AKSTGale WarningAFC36 hr
Dec 18, 11:00 AM AKSTSmall Craft AdvisoryAFC12 hr
Dec 18, 11:00 AM AKSTSmall Craft AdvisoryAFC24 hr
Dec 18, 11:00 AM AKSTHeavy Freezing Spray WarningAFC48 hr
Dec 18, 11:00 AM AKSTHeavy Freezing Spray WarningAFC10 hr

Nearby

Gale Warnings in Alaska, 2007Every gale warning in 2007

Sources

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