Alert archive / Alaska / Gale Warnings in 2011
Gale Warning 936, NWS Anchorage, AK
NWS Anchorage, AK issued this gale warning at Dec 20, 2011, 4:00 AM AKST. It was in force for 5 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 20, 2011, 4:00 AM AKST (13:00 UTC)
- Expired
- Dec 25, 2011, 4:00 AM AKST
- In force
- 5 days
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
611 FZAK61 PAFC 201217 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST TUE DEC 20 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-210300- 400 AM AKST TUE DEC 20 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A STRONG FRONT WILL MOVE INTO THE WESTERN GULF THIS MORNING AND TRACK TO THE EASTERN GULF BY TONIGHT. WEAK HIGH PRESSURE WILL BUILD INTO THE GULF ON WED. $$ PKZ351-210300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKST TUE DEC 20 2011 ...GALE WARNING THROUGH TONIGHT... .TODAY...SW WIND 30 KT BECOMING S 45 KT IN THE AFTERNOON. SEAS 15 FT. .TONIGHT...S WIND 45 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. SEAS 18 FT. RAIN. .WED...SW WIND 20 KT. SEAS 16 FT. .WED NIGHT...N WIND 20 KT. SEAS 10 FT. .THU...NW WIND 25 KT. SEAS 9 FT. .FRI...E WIND 20 KT. SEAS 6 FT. .SAT...NE WIND 30 KT. SEAS 16 FT. $$ PKZ352-210300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKST TUE DEC 20 2011 ...GALE WARNING THROUGH TONIGHT... .TODAY...S WIND INCREASING TO 45 KT. SEAS BUILDING TO 20 FT. RAIN. .TONIGHT...S WIND 45 KT BECOMING SW 30 KT AFTER MIDNIGHT. SEAS 20 FT SUBSIDING TO 15 FT. RAIN. .WED...SW WIND 20 KT DIMINISHING TO VARIABLE 10 KT IN THE AFTERNOON. SEAS 13 FT SUBSIDING TO 9 FT IN THE AFTERNOON. .WED NIGHT...NW WIND 30 KT. SEAS 10 FT. .THU...W WIND 25 KT. SEAS 10 FT. .FRI...E WIND 25 KT. SEAS 18 FT. .SAT...W WIND 30 KT. SEAS 16 FT. $$
10 follow-up statements
298 FZAK61 PAFC 202333 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST TUE DEC 20 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-211500- 400 PM AKST TUE DEC 20 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A STRONG FRONT OVER THE WESTERN GULF WILL MOVE TO THE EASTERN GULF TONIGHT AND THEN DISSIPATE AS IT MOVES INLAND WED. ANOTHER FRONT WILL MOVE FROM THE NORTHEAST PACIFIC INTO THE CENTRAL GULF WED NIGHT AND REMAIN NEARLY STATIONARY THROUGH THU. $$ PKZ351-211500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKST TUE DEC 20 2011 ...GALE WARNING TONIGHT AND WEDNESDAY NIGHT... .TONIGHT...S WIND 40 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. SEAS 20 FT. RAIN AND SNOW. .WED...SW WIND 20 KT IN THE MORNING BECOMING VARIABLE 10 KT. SEAS 18 FT. .WED NIGHT...SW WIND 15 KT BECOMING N 35 KT AFTER MIDNIGHT. SEAS 14 FT. RAIN AND SNOW. .THU...NW WIND 40 KT. SEAS 12 FT. .THU NIGHT...W WIND 40 KT. SEAS 13 FT. .FRI...SE WIND 25 KT. SEAS 15 FT. .SAT...NE WIND 30 KT. SEAS 16 FT. .SUN...W WIND 25 KT. SEAS 12 FT. $$ PKZ352-211500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKST TUE DEC 20 2011 ...GALE WARNING TONIGHT AND WEDNESDAY NIGHT... .TONIGHT...SW WIND 45 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. SEAS 20 FT. RAIN AND SNOW. .WED...SW WIND 20 KT BECOMING N 25 KT IN THE AFTERNOON. SEAS 19 FT. .WED NIGHT...NE WIND 35 KT BECOMING N 45 KT AFTER MIDNIGHT. SEAS 16 FT. RAIN. .THU...NW WIND 45 KT. SEAS 16 FT. .THU NIGHT...SW WIND 35 KT. SEAS 14 FT. .FRI...S WIND 25 KT. SEAS 19 FT. .SAT...W WIND 30 KT. SEAS 16 FT. .SUN...W WIND 25 KT. SEAS 17 FT. $$
859 FZAK61 PAFC 211250 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST WED DEC 21 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-220300- 400 AM AKST WED DEC 21 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... WEAK HIGH PRESSURE WILL BUILD INTO THE GULF TODAY. A PACIFIC LOW WILL MOVE TO 54N 147W AT 975 MB LATE WED NIGHT. THE LOW THEN MOVES TO NEAR PRINCE WILLIAM SOUND AT SAME INTENSITY THU AFTERNOON AND WEAKENS IN PLACE TO 985 MB BY LATE THU NIGHT. $$ PKZ351-220300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKST WED DEC 21 2011 ...GALE WARNING TONIGHT AND THURSDAY... .TODAY...SW WIND 20 KT BECOMING NE 15 KT IN THE AFTERNOON. SEAS 19 FT SUBSIDING TO 14 FT IN THE AFTERNOON. RAIN. .TONIGHT...NE WIND 30 KT INCREASING TO 40 KT AFTER MIDNIGHT. SEAS 12 FT. RAIN AND SNOW SHOWERS. .THU...N WIND 45 KT EXCEPT S 30 KT E OF 146W. SEAS 13 FT. RAIN AND SNOW SHOWERS. .THU NIGHT...W WIND 30 TO 40 KT. SEAS 17 FT. .FRI...N WIND 20 KT. SEAS 15 FT. .SAT...NE WIND 25 KT. SEAS 15 FT. .SUN...W WIND 30 KT. SEAS 14 FT. $$ PKZ352-220300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKST WED DEC 21 2011 ...GALE WARNING TONIGHT AND THURSDAY... .TODAY...W WIND 15 KT BECOMING NE 25 KT IN THE AFTERNOON. SEAS 18 FT. RAIN AND SNOW. .TONIGHT...NE WIND 40 KT EXCEPT SE 25 KT E OF 146W. SEAS 13 FT. RAIN AND SNOW SHOWERS. .THU...NW WIND 45 KT EXCEPT SE 25 KT E OF 145W. SEAS 15 FT. RAIN AND SNOW. .THU NIGHT...W WIND 35 KT. SEAS 16 FT. .FRI...NW WIND 30 KT. SEAS 18 FT. .SAT...NW WIND 25 KT. SEAS 16 FT. .SUN...W WIND 25 KT. SEAS 17 FT. $$
396 FZAK61 PAFC 212338 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST WED DEC 21 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-221500- 400 PM AKST WED DEC 21 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 977 MB LOW WILL FORM NEAR 54N 147W LATE TONIGHT AND TRACK TO 61N 147W THU EVENING. THIS LOW WILL THEN WEAKEN AS IT MOVES INLAND ACROSS THE COPPER RIVER BASIN THU NIGHT. ANOTHER PACIFIC LOW WILL TRACK TO 52N 150W FRI AFTERNOON AT 980 MB. $$ PKZ351-221500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKST WED DEC 21 2011 ...GALE WARNING THROUGH THURSDAY NIGHT... .TONIGHT...NE WIND 25 KT INCREASING TO 40 KT AFTER MIDNIGHT. SEAS 14 FT. RAIN AND SNOW. .THU...N WIND 40 KT. SEAS 14 FT. RAIN AND SNOW. .THU NIGHT...W WIND 40 KT. SEAS 16 FT. .FRI...N WIND 20 KT. SEAS 13 FT. .FRI NIGHT...N WIND 20 KT. SEAS 9 FT. .SAT...N WIND 25 KT. SEAS 15 FT. .SUN...W WIND 30 KT. SEAS 14 FT. .MON...W WIND 20 KT. SEAS 11 FT. $$ PKZ352-221500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKST WED DEC 21 2011 ...GALE WARNING THROUGH THURSDAY NIGHT... .TONIGHT...NE WIND 40 KT. SEAS 14 FT. RAIN AND SNOW. .THU...NW WIND 40 KT. SEAS 16 FT. RAIN AND SNOW. .THU NIGHT...W WIND 40 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS 17 FT. .FRI...NE WIND 25 KT. SEAS 12 FT. .FRI NIGHT...NW WIND 30 KT. SEAS 17 FT. .SAT...NW WIND 25 KT. SEAS 16 FT. .SUN...W WIND 25 KT. SEAS 17 FT. .MON...W WIND 20 KT. SEAS 13 FT. $$
415 FZAK61 PAFC 221250 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST THU DEC 22 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-230300- 400 AM AKST THU DEC 22 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 980 MB LOW NEAR 56N 145W WILL STRENGTHEN TO 975 MB NEAR PRINCE WILLIAM THU EVENING. THIS LOW WILL WEAKEN IN PLACE AND DISSIPATE FRI MORNING. A 969 MB LOW NEAR 51N 156W LATE THU NIGHT WILL WEAKEN TO 983 MB NEAR 54N 149W LATE FRI NIGHT. $$ PKZ351-230300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKST THU DEC 22 2011 ...GALE WARNING THROUGH TONIGHT... .TODAY...N WIND 25 TO 40 KT BECOMING W IN THE AFTERNOON. SEAS 13 FT. RAIN AND SNOW. .TONIGHT...W WIND 40 KT. SEAS 17 FT. .FRI...W WIND 25 KT BECOMING VARIABLE 15 KT IN THE AFTERNOON. SEAS 14 FT. SNOW AND RAIN. .FRI NIGHT...E WIND 15 KT. SEAS 9 FT. .SAT...SW WIND 35 KT. SEAS 14 FT. .SUN...W WIND 30 KT. SEAS 16 FT. .MON...W WIND 35 KT. SEAS 12 FT. $$ PKZ352-230300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKST THU DEC 22 2011 ...GALE WARNING THROUGH TONIGHT... .TODAY...N WIND 35 TO 45 KT BECOMING W 25 TO 40 KT IN THE AFTERNOON. SEAS 15 FT. RAIN AND SNOW. .TONIGHT...W WIND 25 TO 40 KT DIMINISHING TO 15 TO 30 KT AFTER MIDNIGHT. SEAS 17 FT. .FRI...VARIABLE 10 KT BECOMING E WIND 25 KT. SEAS 13 FT. SNOW AND RAIN SHOWERS. .FRI NIGHT...SE WIND 30 KT. SEAS 16 FT. .SAT...W WIND 40 KT. SEAS 17 FT. .SUN...NW WIND 35 KT. SEAS 16 FT. .MON...W WIND 35 KT. SEAS 14 FT. $$
069 FZAK61 PAFC 222357 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST THU DEC 22 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-231500- 400 PM AKST THU DEC 22 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 975 MB LOW NEAR 60N 146W WILL MOVE TO 61N 147W AT 985 MB THU NIGHT AND THEN DISSIPATE FRI MORNING. A 970 MB LOW NEAR 51N 156W THU NIGHT WILL MOVE TO 57N 144W AT 981 MB SAT AFTERNOON. $$ PKZ351-231500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKST THU DEC 22 2011 ...GALE WARNING TONIGHT... .TONIGHT...W WIND 40 KT. SEAS 18 FT. RAIN. .FRI...W WIND 25 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS 15 FT SUBSIDING TO 9 FT IN THE AFTERNOON. .FRI NIGHT...VARIABLE WIND 10 KT BECOMING E 15 KT AFTER MIDNIGHT. SEAS 7 FT. .SAT...NE WIND 25 KT. SEAS 14 FT. .SAT NIGHT...W WIND 35 KT. SEAS 13 FT. .SUN...W WIND 30 KT. SEAS 16 FT. .MON...W WIND 35 KT. SEAS 12 FT. .TUE...SW WIND 25 KT. SEAS 16 FT. $$ PKZ352-231500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKST THU DEC 22 2011 ...GALE WARNING TONIGHT... .TONIGHT...W WIND 35 KT. SEAS 17 FT. .FRI...NE WIND 15 KT. SEAS 12 FT SUBSIDING TO 6 FT IN THE AFTERNOON. SNOW AND RAIN. .FRI NIGHT...SE WIND 15 KT BECOMING E 30 KT AFTER MIDNIGHT. SEAS 8 FT BUILDING TO 18 FT AFTER MIDNIGHT. .SAT...NW WIND 35 KT. SEAS 16 FT. .SAT NIGHT...W WIND 35 KT. SEAS 14 FT. .SUN...NW WIND 35 KT. SEAS 16 FT. .MON...W WIND 35 KT. SEAS 14 FT. .TUE...SW WIND 25 KT. SEAS 16 FT. $$
515 FZAK61 PAFC 231251 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST FRI DEC 23 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-240300- 400 AM AKST FRI DEC 23 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 989 MB LOW FORMS FRI AFTERNOON NEAR 57N 146W AND WEAKENS TO 994 MB SAT MORNING NEAR 60N 147W BEFORE DISSIPATING. A 994 MB LOW FORMS FRI NIGHT NEAR 54N 143W AND INTENSIFIES TO 984 MB SAT AFTERNOON NEAR 58N 142W. THIS LOW THEN WEAKENS TO 989 MB SAT NIGHT NEAR 61N 147W. $$ PKZ351-240300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKST FRI DEC 23 2011 .TODAY...W WIND 25 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS 14 FT SUBSIDING TO 7 FT IN THE AFTERNOON. RAIN SHOWERS. .TONIGHT...VARIABLE WIND 10 KT BECOMING E 15 KT AFTER MIDNIGHT. SEAS 5 FT BUILDING TO 9 FT AFTER MIDNIGHT. .SAT...N WIND 15 TO 25 KT. SEAS 16 FT. SNOW AND RAIN. .SAT NIGHT...W WIND 35 KT. SEAS 12 FT. .SUN...W WIND 35 KT. SEAS 14 FT. .MON...NW WIND 30 KT. SEAS 17 FT. .TUE...SW WIND 25 KT. SEAS 18 FT. $$ PKZ352-240300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKST FRI DEC 23 2011 ...GALE WARNING SATURDAY... .TODAY...NE WIND 15 KT. SEAS 10 FT SUBSIDING TO 6 FT IN THE AFTERNOON. SNOW AND RAIN. .TONIGHT...SE WIND 15 KT BECOMING E 30 KT AFTER MIDNIGHT. SEAS 10 FT BUILDING TO 18 FT AFTER MIDNIGHT. SNOW AND RAIN SHOWERS. .SAT...NW WIND 25 TO 35 KT. SEAS 20 FT. SNOW AND RAIN. .SAT NIGHT...W WIND 40 KT. SEAS 20 FT. .SUN...NW WIND 35 KT. SEAS 18 FT. .MON...W WIND 40 KT. SEAS 20 FT. .TUE...W WIND 20 KT. SEAS 15 FT. $$
122 FZAK61 PAFC 240007 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST FRI DEC 23 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-241500- 400 PM AKST FRI DEC 23 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 992 MB LOW NEAR 57N 143W WILL DISSIPATE NEAR 60N 140W LATE TONIGHT. A 982 MB LOW NEAR 51N 154W WILL MOVE TO 57N 142W AT 984 MB SAT AFTERNOON...THEN MOVE TO 60N 148W AT 984 MB ON SUN. $$ PKZ351-241500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKST FRI DEC 23 2011 ...GALE WARNING SATURDAY NIGHT... .TONIGHT...E WIND 10 KT. SEAS 8 FT. .SAT...N WIND 15 TO 25 KT. SEAS 11 TO 16 FT. SNOW AND RAIN. .SAT NIGHT...W WIND 35 KT. SEAS 11 TO 16 FT. SNOW. FREEZING SPRAY. .SUN...SW WIND 35 KT. SEAS 14 FT. .SUN NIGHT...SW WIND 20 KT. SEAS 11 FT. .MON...W WIND 35 KT. SEAS 17 FT. .TUE...SW WIND 30 KT. SEAS 18 FT. .WED...W WIND 20 KT. SEAS 8 FT. $$ PKZ352-241500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKST FRI DEC 23 2011 ...GALE WARNING SATURDAY NIGHT... .TONIGHT...NE WIND 25 KT. SEAS 10 FT BUILDING TO 18 FT AFTER MIDNIGHT. SNOW AND SHOWERS. .SAT...NW WIND 30 KT. SEAS 17 FT. SNOW SHOWERS. FREEZING SPRAY. .SAT NIGHT...W WIND 35 KT. SEAS 15 FT. SNOW. FREEZING SPRAY. .SUN...SW WIND 35 KT. SEAS 15 FT. .SUN NIGHT...NW WIND 30 KT. SEAS 11 FT. .MON...W WIND 40 KT. SEAS 20 FT. .TUE...W WIND 25 KT. SEAS 18 FT. .WED...W WIND 20 KT. SEAS 7 FT. $$ JAM
876 FZAK61 PAFC 241249 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST SAT DEC 24 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-250300- 400 AM AKST SAT DEC 24 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 993 MB LOW NEAR 54N 145W INTENSIFIES TO 982 MB SAT AFTERNOON NEAR 57N 143W AND THEN MOVES INLAND SUN MORNING NEAR 60N 149W AT 981 MB. A NORTH PACIFIC LOW INTENSIFIES TO 975 MB AS IT MOVES TO 53N 141W SUN NIGHT. $$ PKZ351-250300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKST SAT DEC 24 2011 ...GALE WARNING TONIGHT AND SUNDAY... .TODAY...NW WIND 15 TO 25 KT. SEAS 12 TO 16 FT. RAIN AND SNOW. .TONIGHT...W WIND 35 KT. SEAS 15 FT. SNOW AND RAIN. .SUN...SW WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS 15 FT. .SUN NIGHT...E WIND 15 TO 30 KT. SEAS 14 FT. .MON...NW WIND 45 KT. SEAS 16 FT. .TUE...SW WIND 25 KT. SEAS 14 FT. .WED...W WIND 20 KT. SEAS 10 FT. $$ PKZ352-250300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKST SAT DEC 24 2011 ...GALE WARNING TONIGHT AND SUNDAY... .TODAY...N WIND 15 TO 30 KT. SEAS 14 TO 19 FT. RAIN SHOWERS AND SNOW. .TONIGHT...W WIND 35 KT. SEAS 15 FT. .SUN...W WIND 35 KT BECOMING SW 20 KT IN THE AFTERNOON. SEAS 16 FT. .SUN NIGHT...N WIND 25 TO 35 KT. SEAS 15 FT. .MON...W WIND 50 KT. SEAS 19 FT. .TUE...W WIND 25 KT. SEAS 14 FT. .WED...W WIND 20 KT. SEAS 11 FT. $$
967 FZAK61 PAFC 250015 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST SAT DEC 24 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-251500- 400 PM AKST SAT DEC 24 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 981 MB LOW NEAR 58N 142W WILL MOVE NEAR WHITTIER AFTER MIDNIGHT AND WEAKEN TO 988 MB. THE LOW WILL REMAIN INLAND AND DISSIPATE SUN EVENING. A 977 MB LOW SOUTH OF THE GULF SUN NIGHT WILL DEEPEN TO 961 MB NEAR 57N 145W MON AFTERNOON. $$ PKZ351-251500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKST SAT DEC 24 2011 ...GALE WARNING THROUGH SUNDAY NIGHT... .TONIGHT...W WIND 35 KT. SEAS 14 FT. SNOW. .SUN...SW WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS 15 FT. FREEZING SPRAY W OF 147W. .SUN NIGHT...SE WIND 20 KT BECOMING E 35 KT AFTER MIDNIGHT. SEAS 12 FT. SNOW. FREEZING SPRAY W OF 147W. .MON...NE WIND 40 KT. SEAS 13 FT. .MON NIGHT...W WIND 45 KT. SEAS 17 FT. .TUE...W WIND 40 KT. SEAS 15 FT. .WED...W WIND 20 KT. SEAS 10 FT. .THU...E WIND 15 KT. SEAS 9 FT. $$ PKZ352-251500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKST SAT DEC 24 2011 ...GALE WARNING THROUGH SUNDAY NIGHT... .TONIGHT...W WIND 35 KT. SEAS 14 FT. FREEZING SPRAY W OF 147W. .SUN...W WIND 35 KT BECOMING SW 20 KT IN THE AFTERNOON. SEAS 14 FT. FREEZING SPRAY W OF 147W. .SUN NIGHT...N WIND 25 TO 35 KT. SEAS 12 FT. SNOW. FREEZING SPRAY W OF 147W. .MON...NW WIND 55 KT. SEAS 18 FT. .MON NIGHT...W WIND 55 KT. SEAS 21 FT. .TUE...W WIND 30 KT. SEAS 15 FT. .WED...W WIND 20 KT. SEAS 11 FT. .THU...NE WIND 15 KT. SEAS 11 FT. $$ JAM
429 FZAK61 PAFC 251248 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST SUN DEC 25 2011 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-260300- 400 AM AKST SUN DEC 25 2011 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A BROAD AREA OF LOW PRESSURE REMAINS OVER THE NORTHERN GULF THROUGH SUN AFTERNOON. A NORTH PACIFIC LOW INTENSIFIES TO 961 MB MON AFTERNOON NEAR 58N 144W AND THEN WEAKENS TO 973 MB MON NIGHT NEAR 60N 144W. $$ PKZ351-260300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKST SUN DEC 25 2011 ...GALE WARNING THROUGH MONDAY... .TODAY...SW WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS 15 FT. .TONIGHT...SE WIND 20 KT BECOMING E 20 TO 35 KT AFTER MIDNIGHT. SEAS 10 FT. SNOW AND RAIN. .MON...NE WIND 40 KT. SEAS 21 FT. SNOW SHOWERS AND RAIN. .MON NIGHT...W WIND 50 KT. SEAS 20 FT. .TUE...W WIND 30 KT. SEAS 18 FT. .WED...W WIND 30 KT. SEAS 11 FT. .THU...W WIND 20 KT. SEAS 12 FT. $$ PKZ352-260300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKST SUN DEC 25 2011 ...STORM WARNING MONDAY... .TODAY...W WIND 35 KT BECOMING SW 20 KT IN THE AFTERNOON. SEAS 14 FT. .TONIGHT...N WIND 25 TO 35 KT BECOMING NW 40 KT AFTER MIDNIGHT. SEAS 10 FT. SNOW AND RAIN. .MON...W WIND 40 TO 55 KT. SEAS 14 FT BUILDING TO 22 FT IN THE AFTERNOON. SNOW SHOWERS AND RAIN. .MON NIGHT...W WIND 55 KT. SEAS 27 FT. .TUE...NW WIND 30 KT. SEAS 19 FT. .WED...W WIND 30 KT. SEAS 12 FT. .THU...W WIND 25 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 Dec 19, 1:05 PM AKST, 14 hours 55 minutes earlier.
Area forecast discussion, Dec 19, 1:05 PM AKST, 14 hours 55 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
105 PM AKST MON DEC 19 2011
.ANALYSIS AND UPPER LEVELS...A STRONG NORTH PACIFIC JET CONTINUES
TO PRODUCE A RAPID SUCCESSION OF STORMS TRACKING ACROSS THE NORTH
PACIFIC AND THEN CURVING NORTHWARD TOWARD MAINLAND ALASKA. A LOOK
AT SATELLITE IMAGERY SHOWS A RELATIVELY SMALL AND WEAK LOW RIDING
NORTH-NORTHEASTWARD ALONG THE ALASKA PENINSULA. THERE IS A FAIRLY
NARROW BAND OF SNOW SURROUNDING THE LOW ACROSS KODIAK ISLAND AND
THE ALASKA PENINSULA WHICH WILL HEAD INTO COOK INLET AND ACROSS
THE KENAI PENINSULA AS WE HEAD THROUGH THE AFTERNOON HOURS. A VERY
NOTABLE CHARACTERISTIC ON INFRARED SATELLITE IMAGERY IS THE CELLULAR
ACTIVITY BEHIND THIS LOW WITH VERY COLD CLOUD TOPS. THE 12 SOUNDING
FROM COLD BAY SHOWS STEEP LAPSE RATES APPROACHING DRY ADIABATIC.
THEREFORE...SOME OF THESE SHOWERS COULD BE INTENSE AS THEY MOVE
ONSHORE ACROSS SOUTHWEST ALASKA AND KODIAK ISLAND THIS AFTERNOON.
MODELS ALSO SHOW A SMALL AREA OF 2 TO 3 MB PER HOUR PRESSURE RISES
DIRECTLY IN THE WAKE OF THE LOW WHICH WILL BRIEFLY ENHANCE WIND
SPEEDS AS THIS LOW PASSES THROUGH.
THE NEXT MAJOR STORM IS DEVELOPING SOUTH OF THE CENTRAL ALEUTIANS
IN THE LEFT EXIT REGION OF THE SUBTROPICAL JET. AS THE RIDGE
AMPLIFIES AHEAD OF THIS LOW IT IS BEGINNING TO CURVE TOWARD THE
NORTHEAST. THIS LOOKS LIKE IT WILL BE THE LAST MAJOR STORM TO
AFFECT THE MAINLAND BEFORE A CHANGE OCCURS IN THE LONG-WAVE PATTERN.
.MODEL DISCUSSION...THERE ARE KEY DIFFERENCES IN THE MODEL SOLUTIONS
WITH REGARD TO STRENGTH AND TRACK OF THE LOW DEVELOPING SOUTH OF
THE CENTRAL ALEUTIANS. GFS IS MOST CONSISTENT WITH TRACK AND SHOWS
SMALL SPREAD IN ITS ENSEMBLE MEMBERS IN BOTH TRACK AND DEPTH.
HOWEVER...IT IS ABOUT 10 MB DEEPER THAN THE OTHER MODELS AS IT
MOVES INTO THE EASTERN BERING SEA TUESDAY MORNING. THERE ARE NO
SIGNS OF RAPID DEEPENING OF THIS LOW IN SATELLITE IMAGERY. IT LOOKS
MORE LIKE A MORE GRADUAL STRENGTHENING IS UNDER WAY WHICH WOULD
LEAD AWAY FROM THE DEEPER GFS SOLUTION. FOR NOW WILL STICK CLOSE
TO INHERITED FORECAST AND KEEP A CLOSE EYE ON SATELLITE IMAGERY
TO SEE IF IN FACT THE DEEPER SOLUTION MIGHT BE CORRECT. THERE IS
POTENTIAL FOR HIGH IMPACTS IN SEVERAL AREAS ACROSS THE SOUTHERN
MAINLAND DEPENDING ON THE STRENGTH OF THIS SYSTEM.
BEHIND THIS SYSTEM MODELS DIVERGE SIGNIFICANTLY AND FORECAST
CONFIDENCE IS VERY LOW. PLAN TO MAKE LITTLE CHANGE TO THE INHERITED
FORECAST WHICH WAS BASED ON THE 00Z ECMWF.
.SHORT TERM FORECAST...
SOUTHCENTRAL ALASKA...MOST OF THE REGION WILL SEE A QUICK SHOT OF
SNOW TONIGHT INTO EARLY TUESDAY MORNING AS THE LOW ALONG THE ALASKA
PENINSULA AND THE ASSOCIATED UPPER LEVEL TROUGH MOVE THROUGH. THE
SMALL SIZE OF THE SYSTEM ALONG WITH THE FAST SPEED MEANS THE BULK
OF ACCUMULATING SNOW WILL FALL OVER A 3 OR 4 HOUR PERIOD. THERE WILL
THEN BE ANOTHER BRIEF BREAK BETWEEN SYSTEMS BEFORE A MUCH STRONGER
STORM AFFECTS THE AREA. SIMILAR TO THE LAST MAJOR STORM THIS PAST
WEEKEND THIS LOW WILL TRACK INTO THE EASTERN BERING SEA AND WESTERN
ALASKA. THERE ARE SOME KEY DIFFERENCES WITH THIS STORM AND THE ONE
THIS PAST WEEKEND WHICH WILL RESULT IN LESS IMPACT IN THE ANCHORAGE
AREA. THIS ONE IS EXPECTED TO BE WEAKER AND TRACK FURTHER WEST. THE
UPPER LEVEL JET WHICH MOVES OVER SOUTHCENTRAL MAXES OUT AROUND 80 KTS
WHICH IS NOT VERY IMPRESSIVE. THE SOUTHEASTERLY FLOW LOOKS TO BE
SHALLOWER - EXTENDING THROUGH ABOUT 4000 FEET WITH A MORE SOUTHERLY
COMPONENT ABOVE THAT. FINALLY...THE FRONT WILL OCCLUDE LONG BEFORE
IT GETS HERE SO THERE WILL BE LITTLE IN THE WAY OF WARM AIR
ADVECTION. ALL OF THIS POINTS TOWARD A MORE TYPICAL HIGH WIND
WARNING FOR TURNAGAIN ARM AND HIGHER ELEVATIONS. THE NAM...WHICH
HAS THE RESOLUTION TO MORE ACCURATELY DEPICT WEATHER IN THE BOUNDARY
LAYER...SHOWS THE CORE OF WINDS CENTERED AT 4000 FEET WHICH SUPPORTS
THIS IDEA THAT THE HIGH WINDS WILL NOT MAKE IT DOWN TO LOWER
ELEVATIONS. THE SOUTHERLY FLOW AND COLDER AIR ALSO MEANS THERE
SHOULD BE SOME SNOWFALL AS THE FRONT MOVES THROUGH. COLD ADVECTION
AND INSTABILITY BEHIND THE FRONT MEANS SOUTHERLY WINDS WILL ONCE
AGAIN GET INTO ALL OF ANCHORAGE TUESDAY NIGHT INTO WEDNESDAY.
THE FRONT WILL BE QUICK TO MOVE ACROSS SOUTHCENTRAL ALASKA TUESDAY
EVENING THROUGH WEDNESDAY MORNING SO THE GREATEST IMPACT WEATHER
WILL BE FAIRLY SHORT-LIVED ACROSS THE REGION. OTHER IMPACTS WILL
BE A PERIOD OF MODERATE TO HEAVY SNOW IN THE SUSITNA VALLEY AND
THE PRINCE WILLIAM SOUND REGION. STILL SOME UNCERTAINTY WITH TRACK
OF LOW OUT WEST AND TIMING OF FRONT AS IT CROSSES SOUTHCENTRAL SO
PLAN TO WAIT UNTIL THE NEXT MODEL CYCLE BEFORE ISSUING ANY ADVISORIES
OR WARNINGS FRO SNOWFALL. THERE IS A LIKELIHOOD THOMPSON PASS WILL
SEE ANOTHER BLIZZARD AS THE FRONT MOVES THROUGH SO HAVE ISSUED A
BLIZZARD WATCH FOR TUESDAY NIGHT.
SOUTHWEST ALASKA...UNCERTAINTY IN THE STRENGTH AND TRACK OF THE
NEXT STORM SYSTEM AS IT APPROACHES SOUTHWEST ALASKA MAKES IT HARD
TO PINPOINT WINDS AND SNOW AMOUNTS. AT THE MOMENT IT APPEARS THE
GREATEST IMPACT WILL BE FROM SNOWFALL AND WINDS NORTH AND WEST OF
KING SALMON. THERE MIGHT BE JUST ENOUGH WIND FOR BLIZZARD
CONDITIONS...BUT BASED ON THE RAPID SPEED OF THE FRONT DO NOT THINK
WILL SEE THREE STRAIGHT HOURS OF 1/4 MILE VISIBILITY.
THEREFORE...WILL SIDE WITH A SNOW AND BLOWING SNOW ADVISORY FOR
VISIBILITIES DOWN TO ONE HALF MILE AT TIMES BEGINNING EARLY TUESDAY
MORNING. THERE WILL BE BLOWING SNOW ACROSS THE KUSKOKWIM DELTA ON
THE NORTH SIDE OF THIS SYSTEM...BUT IT DOES NOT LOOK LIKE ENOUGH
WIND OR FALLING SNOW TO CAUSE A SUSTAINED PERIOD OF REDUCED
VISIBILITIES. SOME WARMER AIR WILL MAKE IT INTO EASTERN PORTIONS
OF BRISTOL BAY WHERE RAIN COULD MIX WITH SNOW. HOWEVER...COLD AIR
BEHIND THE SYSTEM WILL CHANGE ANY REMAINING PRECIPITATION BACK TO
SNOW TUESDAY NIGHT. ALSO EXPECT GUSTY SOUTHWESTERLIES BEHIND THE
LOW DUE TO COLD ADVECTION AND INSTABILITY.
BERING SEA/ALEUTIANS...MODELS SHOW A STRONG THERMAL GRADIENT
AROUND THE PACIFIC LOW CENTER...INDICATIVE OF A STRONG FRONT.
THEREFORE...EXPECT STRONG WINDS IN ALL SECTORS OF THE STORM AS
IT CROSSES INTO THE EASTERN BERING TONIGHT. THE STRONGEST WINDS
THOUGH MAY BE ON THE BACK SIDE OF THE LOW. THE NAM SHOWS 60 KT
AT 1000 FEET ABOVE DUTCH HARBOR EARLY TUESDAY MORNING SO WILL
TREND TOWARD STRONGER WINDS BEHIND THE LOW. WITH UNCERTAINTY IN
THE ULTIMATE STRENGTH OF THE LOW WILL HAVE TO RE-EVALUATE POTENTIAL
FOR REACHING HIGH WIND THRESHOLD OF 75 MPH ONCE THE NEW MODEL RUNS
COME IN LATE THIS AFTERNOON. THERE IS A LOT OF UNCERTAINTY AFTER
THIS SYSTEM MOVES THROUGH...BUT LOOKS LIKE ANOTHER PACIFIC SYSTEM
COULD AFFECT THE ALEUTIANS MID WEEK.
.LONG TERM FORECAST...THE EXTENDED FORECAST PERIOD APPEARS TO BE
ONE OF TRANSITION TO A NEW PATTERN. THINGS APPEAR QUITE CHAOTIC
DURING THIS TRANSITION AND MODELS SHOW LITTLE IN THE WAY OF
CONSISTENCY. THEREFORE...FORECAST CONFIDENCE IS VERY LOW.
.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WATCH ZONE 101. BLIZZARD WATCH ZONE 131.
MARINE...STORM WARNING...130 150 155 170.
GALE WARNING...120 125 132 138 140 141 160 165 171 172 180.
HEAVY FREEZING SPRAY WARNING...185.
FIRE WEATHER...NONE.
SEB DEC 11The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 4:00 PM AKST | Gale Warning | AFC | 36 hr | |
| Dec 19, 4:00 PM AKST | Small Craft Advisory | AFC | 4 days | |
| Dec 19, 4:00 PM AKST | Storm Warning | AFC | 12 hr | |
| Dec 19, 4:00 PM AKST | Storm Warning | AFC | 12 hr | |
| Dec 19, 4:07 PM AKST | Blizzard Watch | AFC | 8 hr | |
| Dec 19, 4:09 PM AKST | High Wind Warning | AFC | 30 hr | |
| Dec 20, 12:00 AM AKST | Blizzard Warning | AFC | 12 hr | |
| Dec 20, 4:00 AM AKST | Gale Warning | AFC | 48 hr | |
| Dec 20, 4:00 AM AKST | Gale Warning | AFC | 24 hr | |
| Dec 20, 4:00 AM AKST | Small Craft Advisory | AFC | 6 days | |
| Dec 20, 4:00 AM AKST | Small Craft Advisory | AFC | 6 hr | |
| Dec 20, 4:00 AM AKST | Storm Warning | AFC | 12 hr | |
| Dec 20, 4:36 AM AKST | Blizzard Warning | AFC | 23 hr | |
| Dec 20, 4:36 AM AKST | Winter Weather Advisory | AFC | 13 hr | |
| Dec 20, 9:40 AM AKST | Gale Warning | AFC | 18 hr | |
| Dec 20, 10:00 AM AKST | Storm Warning | AFC | 6 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.