Alert archive / Alaska / Gale Warnings in 2007
Gale Warning 917, NWS Anchorage, AK
NWS Anchorage, AK issued this gale warning at Dec 11, 2007, 11:00 AM AKST. It was in force for 4 days. 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 11, 2007, 11:00 AM AKST (20:00 UTC)
- Expired
- Dec 14, 2007, 11:00 PM AKST
- In force
- 4 days
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
000 FZAK61 PAFC 120057 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AST TUE DEC 11 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. PKZ399-121500- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... AN ALEUTIAN LOW WILL TRACK TO 175 NM SOUTHWEST OF KODIAK CITY WED MORNING AT 993 MB AND THEN WEAKEN TO 1004 MB AS IT MOVES TO 100 NM NORTHEAST OF KODIAK CITY THU MORNING. $$ PKZ351-121500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AST TUE DEC 11 2007 .TONIGHT...SW WIND 25 KT. SEAS 16 FT. .WED...S WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON. SEAS 12 FT. RAIN. .WED NIGHT...S WIND 20 KT. SEAS 14 FT. .THU...W WIND 25 KT. SEAS 17 FT. .THU NIGHT AND FRI...NW WIND 30 KT. SEAS 18 FT. .SAT...NW WIND 20 KT. SEAS 11 FT. .SUN...NW WIND 35 KT. SEAS 14 FT. $$ PKZ352-121500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AST TUE DEC 11 2007 ...GALE WARNING WEDNESDAY... .TONIGHT...S WIND 30 KT. SEAS 17 FT. RAIN. .WED...SW WIND 25 KT INCREASING TO 35 KT IN THE AFTERNOON. SEAS 16 FT. RAIN. .WED NIGHT...SW WIND 30 KT. SEAS 20 FT. .THU...W WIND 30 KT. SEAS 19 FT. .THU NIGHT THROUGH SAT...NW WIND 30 KT. SEAS 18 GRADUALLY DECREASING TO 14 FT. .SUN...NW WIND 35 KT. SEAS 17 FT. $$
8 follow-up statements
000 FZAK61 PAFC 120218 CCA OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W...CORRECTED NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AST TUE DEC 11 2007 CORRECTED SYNOPSIS. WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-121500- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... AN ALEUTIAN LOW WILL TRACK TO 56N 155W WED MORNING AT 993 MB AND THEN WEAKEN TO 1004 MB AS IT MOVES TO 58N 150W THU MORNING $$ PKZ351-121500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AST TUE DEC 11 2007 .TONIGHT...SW WIND 25 KT. SEAS 16 FT. .WED...S WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON. SEAS 12 FT. RAIN. .WED NIGHT...S WIND 20 KT. SEAS 14 FT. .THU...W WIND 25 KT. SEAS 17 FT. .THU NIGHT AND FRI...NW WIND 30 KT. SEAS 18 FT. .SAT...NW WIND 20 KT. SEAS 11 FT. .SUN...NW WIND 35 KT. SEAS 14 FT. $$ PKZ352-121500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AST TUE DEC 11 2007 ...GALE WARNING WEDNESDAY... .TONIGHT...S WIND 30 KT. SEAS 17 FT. RAIN. .WED...SW WIND 25 KT INCREASING TO 35 KT IN THE AFTERNOON. SEAS 16 FT. RAIN. .WED NIGHT...SW WIND 30 KT. SEAS 20 FT. .THU...W WIND 30 KT. SEAS 19 FT. .THU NIGHT THROUGH SAT...NW WIND 30 KT. SEAS 18 GRADUALLY DECREASING TO 14 FT. .SUN...NW WIND 35 KT. SEAS 17 FT. $$
000 FZAK61 PAFC 121242 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AST WED DEC 12 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. PKZ399-130300- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... AN ALEUTIAN LOW WILL TRACK TO 56N 154W LATE THIS MORNING AT 995 MB AND THEN WEAKEN TO 1004 MB AS IT MOVES TO 58N 146W THU MORNING BEFORE DISSIPATING. A 1003 MB WILL FORM OVER THE ALASKA PENINSULA WED AFTERNOON THEN TRACK TO 56N 154W AT 1005 MB THU MORNING BEFORE DISSIPATING. A 992 MB NORTH PACIFIC LOW NEAR 50N 147W WILL MOVE TO 54N 142W AT 982 MB LATE THU NIGHT. $$ PKZ351-130300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AST WED DEC 12 2007 .TODAY...SE WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON. SEAS 11 FT. .TONIGHT...S WIND 15 KT. SEAS 14 FT. .THU...E WIND 15 KT. SEAS 15 FT. .THU NIGHT...NE WIND 35 KT. SEAS 13 FT. .FRI...N WIND 40 KT. SEAS 13 FT. .SAT...NW WIND 40 KT. SEAS 14 FT. .SUN...NW WIND 35 KT. SEAS 13 FT. $$ PKZ352-130300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AST WED DEC 12 2007 ...GALE WARNING TODAY... .TODAY...SW WIND 35 KT. SEAS 16 FT. .TONIGHT...W WIND 25 KT. SEAS 17 FT. .THU...SW WIND 15 KT. SEAS 17 FT. RAIN. .THU NIGHT...N WIND 35 KT. SEAS 15 FT. .FRI...NW WIND 45 KT. SEAS 15 FT. .SAT...NW WIND 40 KT. SEAS 17 FT. .SUN...NW WIND 35 KT. SEAS 19 FT. $$
000 FZAK61 PAFC 130053 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AST WED DEC 12 2007 WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-131500- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 1000 MB LOW 57N 150W WILL MOVE TO 58N 146W WEDNESDAY NIGHT THEN REMAIN NEARLY STATIONARY AND DISSIPATE BY THURSDAY AFTERNOON. A 983 MB LOW WILL MOVE TO 54N 139W FRIDAY AFTERNOON. $$ PKZ351-131500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AST WED DEC 12 2007 .TONIGHT...VARIABLE WIND 15 KT. SEAS 8 TO 12 FT. RAIN SHOWERS. .THU...VARIABLE WIND 15 KT. SEAS 10 TO 15 FT. .THU NIGHT...E WIND 15 KT BECOMING NE 25 KT AFTER MIDNIGHT. SEAS 11 FT. RAIN AND SNOW. .FRI...N WIND 30 KT. SEAS 11 FT. .FRI NIGHT...NW WIND 35 KT. SEAS 11 FT. .SAT THROUGH SUN...NW WIND 40 KT. SEAS 13 FT. $$ PKZ352-131500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AST WED DEC 12 2007 ...GALE WARNING THURSDAY NIGHT... .TONIGHT...W WIND 15 TO 25 KT. SEAS 11 TO 16 FT. .THU...SW WIND 15 KT BECOMING E IN THE AFTERNOON. SEAS 12 FT. RAIN AND SNOW SHOWERS. .THU NIGHT...NE WIND 25 KT BECOMING N 35 KT AFTER MIDNIGHT. SEAS 15 FT. RAIN AND SNOW. .FRI...NW WIND 35 KT. SEAS 13 FT. .FRI NIGHT...NW WIND 30 KT. SEAS 12 FT. .SAT...NW WIND 40 KT. SEAS 15 FT. .SUN AND MON...NW WIND 35 KT. SEAS 16 FT. $$
000 FZAK61 PAFC 131239 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AST THU DEC 13 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. PKZ399-140300- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 1007 MB LOW NEAR 58N 145W WILL REMAIN NEARLY STATIONARY AND DISSIPATE BY THIS AFTERNOON. A 1008 MB LOW NEAR 56N 156W WILL REMAIN NEARLY STATIONARY AND DISSIPATE BY THIS AFTERNOON. A 993 MB LOW WILL MOVE TO 53N 144W THU EVENING THEN TO 54N 140W AT 981 MB LATE FRI MORNING. IT WILL THEN WEAKEN AS IT CONTINUES TO MOVE EAST. $$ PKZ351-140300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AST THU DEC 13 2007 .TODAY...NE WIND 15 KT. SEAS 14 FT. .TONIGHT...NE WIND 25 KT. SEAS 11 FT. .FRI...NW WIND 30 KT. SEAS 9 FT. .FRI NIGHT...NW WIND 35 KT. SEAS 10 FT. .SAT...NW WIND 40 KT. SEAS 12 FT. .SUN...NW WIND 35 KT. SEAS 12 FT. .MON...NW WIND 35 KT. SEAS 12 FT. $$ PKZ352-140300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AST THU DEC 13 2007 ...GALE WARNING FRIDAY... .TODAY...W WIND 10 KT. SEAS 16 FT. .TONIGHT...NE WIND 15 KT BECOMING N 30 KT AFTER MIDNIGHT. SEAS 11 FT. .FRI...N WIND 35 KT. SEAS 12 FT. .FRI NIGHT...NW WIND 30 KT. SEAS 12 FT. .SAT...NW WIND 35 KT. SEAS 15 FT. .SUN...NW WIND 35 KT. SEAS 16 FT. .MON...NW WIND 35 KT. SEAS 15 FT. $$
000 FZAK61 PAFC 140008 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AST THU DEC 13 2007 WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-141500- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 999 MB LOW NEAR 51N 146W WILL STRENGTHEN TO 977 MB AS IT MOVES TO 54N 138W FRI AFTERNOON AND THEN MOVE INLAND OVER SOUTHEAST ALASKA FRI NIGHT. THE COMBINATION OF A TIGHTENING PRESSURE GRADIENT OVER THE GULF WATERS COMBINED WITH COLD AIR TRANSPORT FROM THE NORTH WILL PRODUCE STRONG GAP WINDS ALONG THE NORTH TO WEST GULF COAST BEGINNING FRI. $$ PKZ351-141500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AST THU DEC 13 2007 .TONIGHT...N WIND 15 KT. SEAS 10 FT. .FRI...NW WIND 25 KT. SEAS 10 FT. .FRI NIGHT...NW WIND 30 KT. SEAS 11 FT. .SAT THROUGH SUN...NW WIND 35 KT. SEAS 14 FT. .MON...NW WIND 30 KT. SEAS 11 FT. .TUE...NW WIND 20 KT. SEAS 10 FT. $$ PKZ352-141500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AST THU DEC 13 2007 ...GALE WARNING FRIDAY AND FRIDAY NIGHT... .TONIGHT...N WIND 15 KT. SEAS 12 FT. .FRI...NW WIND 25 KT INCREASING TO 35 KT IN THE AFTERNOON. SEAS 12 FT. .FRI NIGHT...NW WIND 35 KT. SEAS 14 FT. .SAT AND SAT NIGHT...NW WIND 40 KT. SEAS 17 FT. .SUN AND MON...NW WIND 35 KT. SEAS 15 FT. .TUE...NW WIND 25 KT. SEAS 13 FT. $$
000 FZAK61 PAFC 141239 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AST FRI DEC 14 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. PKZ399-150300- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A COMPLEX OF LOW PRESSURE SYSTEMS OVER THE NORTHERN TO EASTERN GULF WILL PERSIST THROUGH SAT NIGHT. STRONG NORTHWEST WINDS WILL BE PRESENT IN THE NORTHWEST GULF THROUGH SAT NIGHT. $$ PKZ351-150300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AST FRI DEC 14 2007 ...GALE WARNING TONIGHT AND SATURDAY... .TODAY...NW WIND 30 KT. SEAS 9 FT. .TONIGHT...NW WIND 35 KT. SEAS 11 FT. .SAT...NW WIND 40 KT. SEAS 14 FT. .SAT NIGHT THROUGH MON...NW WIND 35 KT. SEAS 15 FT. .TUE...W WIND 20 KT. SEAS 7 FT. $$ PKZ352-150300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AST FRI DEC 14 2007 ...GALE WARNING THROUGH SATURDAY... .TODAY...NW WIND 35 KT. SEAS 12 FT. .TONIGHT...NW WIND 35 KT. SEAS 14 FT. .SAT...NW WIND 45 KT. SEAS 18 FT. .SAT NIGHT THROUGH MON...NW WIND 35 KT. SEAS 16 FT. .TUE...W WIND 25 KT. SEAS 10 FT. $$
000 FZAK61 PAFC 150013 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AST FRI DEC 14 2007 WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-151500- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 976 MB LOW NEAR 54N 139W WILL WEAKEN AS IT MOVES INLAND OVER SOUTHEAST ALASKA SAT MORNING. A 985 MB LOW WILL FORM NEAR 59N 143W SAT AND REMAIN OVER THE NORTHERN GULF THROUGH SUN. STRONG NORTH TO WEST WINDS WILL PERSIST ACROSS THE WESTERN GULF WATERS THROUGH SUN. $$ PKZ351-151500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AST FRI DEC 14 2007 ...GALE WARNING THROUGH SATURDAY NIGHT... .TONIGHT...NW WIND 35 KT. SEAS 11 FT. .SAT...NW WIND 40 KT. SEAS 14 FT. .SAT NIGHT...NW WIND 35 KT. SEAS 13 FT. .SUN THROUGH MON...NW WIND 35 KT. SEAS 13 FT. .TUE...W WIND 20 KT. SEAS 8 FT. .WED...W WIND 35 KT. SEAS 10 FT. $$ PKZ352-151500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AST FRI DEC 14 2007 ...GALE WARNING THROUGH SATURDAY NIGHT... .TONIGHT...NW WIND 35 KT. SEAS 14 FT. .SAT...NW WIND 45 KT. SEAS 20 FT. .SAT NIGHT...NW WIND 40 KT. SEAS 17 FT. .SUN THROUGH MON...NW WIND 35 KT. SEAS 15 FT. .TUE...W WIND 25 KT. SEAS 11 FT. .WED...W WIND 30 KT. SEAS 12 FT. $$
000 FZAK61 PAFC 151240 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AST SAT DEC 15 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. PKZ399-160300- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 985 MB LOW WILL FORM NEAR 59N 143W TODAY AND REMAIN OVER THE NORTHERN GULF THROUGH SUN NIGHT. $$ PKZ351-160300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AST SAT DEC 15 2007 ...GALE WARNING THROUGH SUNDAY... .TODAY...NW WIND 40 KT. SEAS 18 FT. .TONIGHT...NW WIND 40 KT. SEAS 18 FT. FREEZING SPRAY. .SUN THROUGH MON...NW WIND 35 KT. SEAS 16 FT. .TUE...NW WIND 20 KT. SEAS 11 FT. .WED...W WIND 30 KT. SEAS 12 FT. $$ PKZ352-160300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AST SAT DEC 15 2007 ...STORM WARNING THROUGH TONIGHT... .TODAY...NW WIND INCREASING TO 50 KT BY AFTERNOON. SEAS 20 FT. .TONIGHT...NW WIND 50 KT. SEAS 22 FT. .SUN...NW WIND 40 KT. SEAS 20 FT. .SUN NIGHT AND MON...NW WIND 35 KT. SEAS 16 FT. .TUE...NW WIND 25 KT. SEAS 11 FT. .WED...W WIND 30 KT. SEAS 12 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 11, 8:20 AM AKST, 2 hours 40 minutes earlier.
Area forecast discussion, Dec 11, 8:20 AM AKST, 2 hours 40 minutes before
AREA FORECAST DISCUSSION SOUTHCENTRAL AND SOUTHWEST ALASKA 120 PM AST TUE DEC 11 2007 .ANALYSIS AND UPPER LEVELS...LONG-WAVE TROUGH IS CENTERED FROM EASTERN ASIA TO THE BERING SEA WITH WEAK RIDGING ALONG WEST COAST OF NORTH AMERICA. THE JET IS WELL SOUTH OF ALASKA AS IT COMES OUT OF ASIA BUT CURVES NORTHWARD TO JUST SOUTH OF THE GULF. THIS IS SERVING TO DRIVE STORMS ALONG THE ALEUTIANS AND THEN INTO THE GULF. THERE ARE TWO STORMS OF INTEREST THIS MORNING. THE FIRST IS A LOW OVER THE NORTHERN GULF. THE TROUGH AXIS (IN THE UPPER AND LOWER LEVELS) EXTENDS FROM THIS LOW BACK WESTWARD TO JUST SOUTH OF ANCHORAGE...SO THAT MOISTURE IS BEING TRANSPORTED FROM EASTERN PRINCE WILLIAM SOUND AND THE COPPER BASIN WESTWARD TO ANCHORAGE AND THE MAT-SU. MEANWHILE...ANOTHER UPPER TROUGH IS APPROACHING FROM THE SOUTHWEST...PROVIDING ADDITIONAL LIFT. COLD ADVECTION IS ALSO OCCURRING IN THE LOW LEVELS AND HAS CHANGED WHAT WAS MAINLY RAIN THIS MORNING IN THE ANCHORAGE/MAT VALLEY TO ALL SNOW. THE SECOND SYSTEM IS A LARGE MATURE LOW SOUTH OF THE EASTERN ALEUTIANS. IT IS TRACKING EASTWARD AFFECTING THE EASTERN ALEUTIANS WITH THE TYPICAL KIND OF WEATHER FOR THIS YEAR...RAIN AND SNOW AND SOME GALE FORCE WINDS. .MODEL DISCUSSION...MODELS DONT HAVE A VERY GOOD HANDLE ON THE DETAILS OF WHAT IS OCCURRING OVER SOUTHCENTRAL...BUT SYNOPTICALLY LOOK GOOD. WILL HAVE USE PATTERN RECOGNITION/CONCEPTUAL MODELS TO FORECAST SNOWFALL OVER SOUTHCENTRAL TONIGHT AS UPPER TROUGH PUSHES ACROSS THE REGION. MODELS DO HAVE A GOOD HANDLE ON ALEUTIAN LOW AND ARE ALL TRENDING TOWARD A COMMON SOLUTION OF DEVELOPING A SECONDARY LOW SOUTH OF KODIAK ISLAND WEDNESDAY MORNING IN RESPONSE TO AN UPPER LEVEL SHORT-WAVE EMBEDDED IN THE UPPER FLOW. THIS LOW BECOMES THE DOMINANT LOW AND TRACKS INTO THE GULF. HAVE CONTINUED TO STICK VERY CLOSE TO THE GFS SOLUTION WITH THIS LOW DUE TO GOOD RUN-TO-RUN CONSISTENCY. THERE ARE DISCREPANCIES ONCE LOW REACHES THE GULF...BUT ALL SHOW A DISSIPATING LOW AS ANOTHER LOW COMES UP FROM THE PACIFIC. MODELS ARE ALSO CONVERGING ON A SOLUTION WITH NEXT LOW OUT WEST THURSDAY AND FRIDAY...ALL KEEPING THE THE LOW SOUTH OF THE ALEUTIAN CHAIN. GFS HAS JUMPED MUCH FARTHER SOUTHWARD...IN LINE WITH THE ECMWF AND IS SUPPORTED BY THE ENSEMBLE MEAN. BECAUSE CURRENT FORECAST WAS BASED OFF A MUCH FARTHER NORTH SOLUTION WILL MAKE A JUMP TO THE NEW GFS SOLUTION. .SHORT TERM FORECAST... SOUTHCENTRAL...EASTERLY TRANSPORT OF MOISTURE WILL CUT OFF OVER ANCHORAGE THIS AFTERNOON...BUT UPPER TROUGH WILL NOT MOVE THROUGH UNTIL LATER THIS EVENING. SO SNOW WILL DIMINISH THIS AFTERNOON... BUT FLURRIES OR A FEW SHOWERS MAY CONTINUE INTO THE EVENING HOURS. MEANWHILE SNOW WILL SPREAD TO NORTHERN PORTIONS OF SOUTHCENTRAL...INCLUDING ALONG THE ALASKA RANGE. SNOW WILL TAPER OFF INT THESE AREAS AS WE HEAD INTO WEDNESDAY MORNING. PARTIAL CLEARING BEHIND THE TROUGH COMBINED WITH REMNANT LOW LEVEL MOISTURE WILL LIKELY RESULT IN THE FORMATION OF AREAS OF LOW CLOUDS AND FOG TONIGHT. THE NEXT STORM SYSTEM LOOKS LIKE IT WILL NOT MAKE IT AS FAR NORTH...SO MAIN EFFECTS WILL BE FOR KODIAK ISLAND AND THE GULF COAST WHILE INLAND AREAS WILL LIKELY JUST SEE SOME CLOUDS. BERING SEA/ALEUTIANS/SOUTHWEST ALASKA...THE LOW SOUTH OF THE ALEUTIANS WILL SPREAD RAIN AND SNOW TO THE AKPEN AND PORTIONS OF BRISTOL BAY TONIGHT INTO WEDNESDAY. THE NEXT SYSTEM LOOKS LIKE IT WILL JUST SKIM THE ALEUTIANS LATE THURSDAY AND FRIDAY. OTHERWISE... CALM CONDITIONS ACROSS THE REGION WITH INCREASING COLD ADVECTION AS WE HEAD THROUGH THE WEEK AND RIDGE BEGINS TO BUILD OVER THE WESTERN BERING AND PACIFIC. .LONG TERM FORECAST...GFS 500MB 5-WAVE IS CONSISTENT IN DEPICTING RIDGE BUILDING OVER BERING AND TROUGH SETTING UP OVER GULF/WESTERN NORTH AMERICA. THUS...EXPECT COLD AND DRY CONDITIONS FOR MAINLAND ALASKA THROUGH THE EXTENDED PERIOD WHILE MAJOR STORMS ARE HELD OVER THE BERING SEA/ALEUTIANS. .AER/ALU...WATCH/WARNING SUMMARY PUBLIC...NONE. MARINE...GALES 155 165 170 172. FIRE WEATHER...NONE. SEB DEC 07
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 10:00 PM AKST | Small Craft Advisory | AFC | 25 hr | |
| Dec 10, 11:00 PM AKST | Gale Warning | AFC | 12 hr | |
| Dec 10, 11:00 PM AKST | Small Craft Advisory | AFC | 7 days | |
| Dec 10, 11:00 PM AKST | Small Craft Advisory | AFC | 12 hr | |
| Dec 11, 1:09 AM AKST | Freezing Rain Advisory | AFC | 9 hr | |
| Dec 11, 1:45 AM AKST | Gale Warning | AFC | 9 hr | |
| Dec 11, 2:00 AM AKST | Small Craft Advisory | AFC | 9 hr | |
| Dec 11, 3:45 AM AKST | Small Craft Advisory | AFC | 7 hr | |
| Dec 11, 11:00 AM AKST | Gale Warning | AFC | 12 hr | |
| Dec 11, 11:00 AM AKST | Small Craft Advisory | AFC | 48 hr | |
| Dec 11, 11:00 AM AKST | Small Craft Advisory | AFC | 7 days |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.