Alert archive / Alaska / Small Craft Advisories in 2012
Small Craft Advisory 784, NWS Juneau, AK
NWS Juneau, AK issued this small craft advisory at Dec 17, 2012, 4:00 PM AKST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 17, 2012, 4:00 PM AKST (01:00 UTC)
- Expired
- Dec 18, 2012, 4:00 AM AKST
- In force
- 12 hr
- Issued by
- NWS Juneau, AK
The text
As transmitted, in the capitals the NWS used until 2016.
855 FZAK51 PAJK 180033 CWFAJK COASTAL WATERS FORECAST FOR SOUTHEAST ALASKA NATIONAL WEATHER SERVICE JUNEAU AK 400 PM AKST MON DEC 17 2012 SOUTHEAST ALASKA INSIDE WATERS FROM DIXON ENTRANCE TO SKAGWAY WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT. PKZ098-181400- 400 PM AKST MON DEC 17 2012 .SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS... A 988 MB LOW OVER THE EASTERN GULF WILL SLOWLY WEAKEN AS IT DRIFTS SE TOWARD HAIDA GWAII THROUGH MON NIGHT. HIGH PRESSURE IN THE ALASKAN INTERIOR AND IN YUKON TERRITORY CONTINUE TO SEND ARCTIC AIR INTO THE PANHANDLE THROUGH MON NIGHT. ANOTHER LOW WILL MOVE INTO THE GULF TUE. $$ PKZ011-181400- GLACIER BAY- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N WIND 30 KT DIMINISHING LATE. SEAS 6 FT. FREEZING SPRAY. .TUE...N WIND INCREASING TO 30 KT IN THE AFTERNOON. SEAS 6 FT. FREEZING SPRAY. .TUE NIGHT...N WIND 30 KT INCREASING 35 KT LATE. SEAS 7 FT. FREEZING SPRAY. .WED...N GALE TO 40 KT. SEAS 8 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 40 KT. SEAS 8 FT. FREEZING SPRAY. .THU...N GALE TO 40 KT. SEAS 8 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 25 KT. SEAS 5 FT. $$ PKZ012-181400- NORTHERN LYNN CANAL- 400 PM AKST MON DEC 17 2012 ...GALE WARNING TONIGHT AND TUESDAY... ...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY... .TONIGHT...N WIND 45 KT DIMINISHING LATE. SEAS 9 FT. HEAVY FREEZING SPRAY. .TUE...N WIND INCREASING TO 35 KT IN THE AFTERNOON. SEAS 7 FT. HEAVY FREEZING SPRAY. .TUE NIGHT...N GALE TO 40 KT INCREASING TO STORM FORCE WIND TO 50 KT LATE. SEAS 8 FT BUILDING TO 10 FT LATE. HEAVY FREEZING SPRAY. .WED...N STORM FORCE WIND TO 55 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. .WED NIGHT...N STORM FORCE WIND TO 55 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. .THU...N STORM FORCE WIND TO 50 KT. SEAS 10 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 30 KT. SEAS 6 FT. $$ PKZ013-181400- SOUTHERN LYNN CANAL- 400 PM AKST MON DEC 17 2012 ...GALE WARNING THROUGH TONIGHT... .TONIGHT...N WIND 35 KT DIMINISHING TO 30 KT LATE. SEAS 7 FT. FREEZING SPRAY. .TUE...N WIND 25 KT. SEAS 5 FT. FREEZING SPRAY. .TUE NIGHT...N GALE TO 35 KT INCREASING TO 40 KT LATE. SEAS 8 FT. FREEZING SPRAY. .WED...N GALE TO 45 KT. SEAS 9 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 45 KT. SEAS 9 FT. HEAVY FREEZING SPRAY. .THU...N GALE TO 40 KT. SEAS 8 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 25 KT. SEAS 5 FT. $$ PKZ021-181400- ICY STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...E WIND 25 KT BECOMING 20 KT LATE. SEAS 5 FT. .TUE...E WIND INCREASING TO 30 KT IN THE AFTERNOON. SEAS 6 FT. .TUE NIGHT...NE GALE TO 35 KT. SEAS 7 FT. .WED...NE GALE TO 35 KT. SEAS 7 FT. .WED NIGHT...NE GALE TO 35 KT. SEAS 7 FT. .THU...NE GALE TO 35 KT. SEAS 7 FT. .FRI...E WIND 30 KT. SEAS 6 FT. .SAT...E WIND 20 KT. SEAS 4 FT. $$ PKZ022-181400- CROSS SOUND- 400 PM AKST MON DEC 17 2012 ...GALE WARNING TUESDAY... .TONIGHT...E WIND 30 KT. SEAS 6 FT. .TUE...NE WIND INCREASING TO 35 KT IN THE AFTERNOON. SEAS 7 FT. .TUE NIGHT...NE GALE TO 40 KT. SEAS 8 FT. .WED...NE GALE TO 40 KT. SEAS 9 FT. .WED NIGHT...NE GALE TO 40 KT. SEAS 8 FT. .THU...NE GALE TO 35 KT. SEAS 7 FT. .FRI...NE WIND 30 KT. SEAS 6 FT. .SAT...NE WIND 20 KT. SEAS 4 FT. $$ PKZ031-181400- STEPHENS PASSAGE- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...N WIND 30 KT DIMINISHING LATE. GUSTS TO 50 KT OUT OF INTERIOR PASSES. SEAS 6 FT. FREEZING SPRAY. .TUE...N WIND INCREASING TO 25 KT IN THE AFTERNOON. GUSTS TO 45 KT OUT OF INTERIOR PASSES. SEAS 5 FT. FREEZING SPRAY. .TUE NIGHT...N GALE TO 35 KT INCREASING TO 40 KT LATE. GUSTS TO 60 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .WED...N GALE TO 40 KT. GUSTS TO 70 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 40 KT. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .THU...N GALE TO 35 KT. SEAS 7 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 25 KT. SEAS 5 FT. $$ PKZ032-181400- NORTHERN CHATHAM STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...N WIND 25 KT DIMINISHING TO 20 KT LATE. SEAS 5 FT. .TUE...N WIND INCREASING TO 25 KT IN THE AFTERNOON. SEAS 5 FT. .TUE NIGHT...N WIND 30 KT. SEAS 6 FT. .WED...N GALE TO 35 KT. SEAS 7 FT. .WED NIGHT...N WIND 30 KT. SEAS 6 FT. .THU...N WIND 30 KT. SEAS 6 FT. .FRI...N WIND 30 KT. SEAS 6 FT. .SAT...N WIND 20 KT. SEAS 4 FT. $$ PKZ033-181400- SOUTHERN CHATHAM STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TUESDAY... .TONIGHT...N WIND 20 KT DIMINISHING LATE. SEAS 4 FT. NEAR OCEAN ENTRANCES...SEAS 8 FT SUBSIDING TO 6 FT LATE. .TUE...E WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 4 FT BUILDING TO 6 FT IN THE AFTERNOON. NEAR OCEAN ENTRANCES...SEAS 8 FT. .TUE NIGHT...E GALE TO 35 KT. SEAS 7 FT. SNOW LATE. .WED...E GALE TO 35 KT. SEAS 7 FT. SNOW. .WED NIGHT...NE WIND 30 KT. SEAS 6 FT...EXCEPT 9 FT NEAR OCEAN ENTRANCES. .THU...N WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 20 KT. SEAS 4 FT. .SAT...SE WIND 20 KT. SEAS 4 FT. $$ PKZ034-181400- FREDERICK SOUND- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...NE WIND 25 KT DIMINISHING LATE. SEAS 5 FT. .TUE...E WIND INCREASING TO 25 KT IN THE AFTERNOON. GUSTS TO 40 KT OUT OF INTERIOR PASSES. SEAS 5 FT. .TUE NIGHT...E WIND 30 KT INCREASING TO 35 KT LATE. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 7 FT. .WED...NE GALE TO 35 KT. GUSTS TO 70 KT OUT OF INTERIOR PASSES. SEAS 7 FT. .WED NIGHT...N WIND 30 KT. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 6 FT. .THU...NE WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 30 KT. SEAS 6 FT. .SAT...SE WIND 25 KT. SEAS 5 FT. $$ PKZ035-181400- SUMNER STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TUESDAY... .TONIGHT...NE WIND 15 KT. SEAS 3 FT. .TUE...E WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 4 FT BUILDING TO 6 FT IN THE AFTERNOON. .TUE NIGHT...E GALE TO 35 KT INCREASING TO 40 KT LATE. SEAS 8 FT. SNOW LATE. .WED...E GALE TO 40 KT. SEAS 8 FT. .WED NIGHT...E GALE TO 35 KT. SEAS 7 FT. .THU...E WIND 30 KT. SEAS 6 FT. .FRI...E WIND 25 KT. SEAS 5 FT. .SAT...E WIND 25 KT. SEAS 5 FT. $$ PKZ036-181400- CLARENCE STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TUESDAY... .TONIGHT...N WIND 10 KT. SEAS 2 FT OR LESS...EXCEPT 5 FT NEAR OCEAN ENTRANCES. .TUE...SE WIND INCREASING TO 25 KT IN THE AFTERNOON. SEAS 5 FT. NEAR OCEAN ENTRANCES...SEAS 5 FT BUILDING TO 8 FT IN THE AFTERNOON. .TUE NIGHT...SE GALE TO 35 KT. GUSTS TO 50 KT OUT OF INTERIOR PASSES. SEAS 7 FT. RAIN IN THE EVENING...THEN SNOW AND RAIN LATE. .WED...SE GALE TO 35 KT. SEAS 7 FT. SNOW AND RAIN. .WED NIGHT...SE WIND 30 KT. SEAS 6 FT. .THU...SE WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 20 KT. SEAS 4 FT. .SAT...SE WIND 20 KT. SEAS 4 FT. $$
3 follow-up statements
959 FZAK51 PAJK 180837 AAA CWFAJK COASTAL WATERS FORECAST FOR SOUTHEAST ALASKA...UPDATED NATIONAL WEATHER SERVICE JUNEAU AK 1140 PM AKST MON DEC 17 2012 SOUTHEAST ALASKA INSIDE WATERS FROM DIXON ENTRANCE TO SKAGWAY WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT. PKZ098-181400- 400 PM AKST MON DEC 17 2012 .SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS... A 988 MB LOW OVER THE EASTERN GULF WILL SLOWLY WEAKEN AS IT DRIFTS SE TOWARD HAIDA GWAII THROUGH MON NIGHT. HIGH PRESSURE IN THE ALASKAN INTERIOR AND IN YUKON TERRITORY CONTINUE TO SEND ARCTIC AIR INTO THE PANHANDLE THROUGH MON NIGHT. ANOTHER LOW WILL MOVE INTO THE GULF TUE. $$ PKZ011-181400- GLACIER BAY- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N WIND 30 KT DIMINISHING LATE. SEAS 6 FT. FREEZING SPRAY. .TUE...N WIND INCREASING TO 30 KT IN THE AFTERNOON. SEAS 6 FT. FREEZING SPRAY. .TUE NIGHT...N WIND 30 KT INCREASING 35 KT LATE. SEAS 7 FT. FREEZING SPRAY. .WED...N GALE TO 40 KT. SEAS 8 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 40 KT. SEAS 8 FT. FREEZING SPRAY. .THU...N GALE TO 40 KT. SEAS 8 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 25 KT. SEAS 5 FT. $$ PKZ012-181400- NORTHERN LYNN CANAL- 1140 PM AKST MON DEC 17 2012 UPDATED ...GALE WARNING TONIGHT AND TUESDAY... ...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY... .REST OF TONIGHT...N WIND 435 KT DIMINISHING LATE. SEAS 9 FT. HEAVY FREEZING SPRAY. .TUE...N WIND INCREASING TO 35 KT IN THE AFTERNOON. SEAS 7 FT. HEAVY FREEZING SPRAY. .TUE NIGHT...N GALE TO 40 KT INCREASING TO STORM FORCE WIND TO 50 KT LATE. SEAS 8 FT BUILDING TO 10 FT LATE. HEAVY FREEZING SPRAY. .WED...N STORM FORCE WIND TO 55 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. .WED NIGHT...N STORM FORCE WIND TO 55 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. .THU...N STORM FORCE WIND TO 50 KT. SEAS 10 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 30 KT. SEAS 6 FT. $$ PKZ013-181400- SOUTHERN LYNN CANAL- 400 PM AKST MON DEC 17 2012 ...GALE WARNING THROUGH TONIGHT... .TONIGHT...N WIND 35 KT DIMINISHING TO 30 KT LATE. SEAS 7 FT. FREEZING SPRAY. .TUE...N WIND 25 KT. SEAS 5 FT. FREEZING SPRAY. .TUE NIGHT...N GALE TO 35 KT INCREASING TO 40 KT LATE. SEAS 8 FT. FREEZING SPRAY. .WED...N GALE TO 45 KT. SEAS 9 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 45 KT. SEAS 9 FT. HEAVY FREEZING SPRAY. .THU...N GALE TO 40 KT. SEAS 8 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 25 KT. SEAS 5 FT. $$ PKZ021-181400- ICY STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...E WIND 25 KT BECOMING 20 KT LATE. SEAS 5 FT. .TUE...E WIND INCREASING TO 30 KT IN THE AFTERNOON. SEAS 6 FT. .TUE NIGHT...NE GALE TO 35 KT. SEAS 7 FT. .WED...NE GALE TO 35 KT. SEAS 7 FT. .WED NIGHT...NE GALE TO 35 KT. SEAS 7 FT. .THU...NE GALE TO 35 KT. SEAS 7 FT. .FRI...E WIND 30 KT. SEAS 6 FT. .SAT...E WIND 20 KT. SEAS 4 FT. $$ PKZ022-181400- CROSS SOUND- 400 PM AKST MON DEC 17 2012 ...GALE WARNING TUESDAY... .TONIGHT...E WIND 30 KT. SEAS 6 FT. .TUE...NE WIND INCREASING TO 35 KT IN THE AFTERNOON. SEAS 7 FT. .TUE NIGHT...NE GALE TO 40 KT. SEAS 8 FT. .WED...NE GALE TO 40 KT. SEAS 9 FT. .WED NIGHT...NE GALE TO 40 KT. SEAS 8 FT. .THU...NE GALE TO 35 KT. SEAS 7 FT. .FRI...NE WIND 30 KT. SEAS 6 FT. .SAT...NE WIND 20 KT. SEAS 4 FT. $$ PKZ031-181400- STEPHENS PASSAGE- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...N WIND 30 KT DIMINISHING LATE. GUSTS TO 50 KT OUT OF INTERIOR PASSES. SEAS 6 FT. FREEZING SPRAY. .TUE...N WIND INCREASING TO 25 KT IN THE AFTERNOON. GUSTS TO 45 KT OUT OF INTERIOR PASSES. SEAS 5 FT. FREEZING SPRAY. .TUE NIGHT...N GALE TO 35 KT INCREASING TO 40 KT LATE. GUSTS TO 60 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .WED...N GALE TO 40 KT. GUSTS TO 70 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 40 KT. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .THU...N GALE TO 35 KT. SEAS 7 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 25 KT. SEAS 5 FT. $$ PKZ032-181400- NORTHERN CHATHAM STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...N WIND 25 KT DIMINISHING TO 20 KT LATE. SEAS 5 FT. .TUE...N WIND INCREASING TO 25 KT IN THE AFTERNOON. SEAS 5 FT. .TUE NIGHT...N WIND 30 KT. SEAS 6 FT. .WED...N GALE TO 35 KT. SEAS 7 FT. .WED NIGHT...N WIND 30 KT. SEAS 6 FT. .THU...N WIND 30 KT. SEAS 6 FT. .FRI...N WIND 30 KT. SEAS 6 FT. .SAT...N WIND 20 KT. SEAS 4 FT. $$ PKZ033-181400- SOUTHERN CHATHAM STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TUESDAY... .TONIGHT...N WIND 20 KT DIMINISHING LATE. SEAS 4 FT. NEAR OCEAN ENTRANCES...SEAS 8 FT SUBSIDING TO 6 FT LATE. .TUE...E WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 4 FT BUILDING TO 6 FT IN THE AFTERNOON. NEAR OCEAN ENTRANCES...SEAS 8 FT. .TUE NIGHT...E GALE TO 35 KT. SEAS 7 FT. SNOW LATE. .WED...E GALE TO 35 KT. SEAS 7 FT. SNOW. .WED NIGHT...NE WIND 30 KT. SEAS 6 FT...EXCEPT 9 FT NEAR OCEAN ENTRANCES. .THU...N WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 20 KT. SEAS 4 FT. .SAT...SE WIND 20 KT. SEAS 4 FT. $$ PKZ034-181400- FREDERICK SOUND- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...NE WIND 25 KT DIMINISHING LATE. SEAS 5 FT. .TUE...E WIND INCREASING TO 25 KT IN THE AFTERNOON. GUSTS TO 40 KT OUT OF INTERIOR PASSES. SEAS 5 FT. .TUE NIGHT...E WIND 30 KT INCREASING TO 35 KT LATE. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 7 FT. .WED...NE GALE TO 35 KT. GUSTS TO 70 KT OUT OF INTERIOR PASSES. SEAS 7 FT. .WED NIGHT...N WIND 30 KT. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 6 FT. .THU...NE WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 30 KT. SEAS 6 FT. .SAT...SE WIND 25 KT. SEAS 5 FT. $$ PKZ035-181400- SUMNER STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TUESDAY... .TONIGHT...NE WIND 15 KT. SEAS 3 FT. .TUE...E WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 4 FT BUILDING TO 6 FT IN THE AFTERNOON. .TUE NIGHT...E GALE TO 35 KT INCREASING TO 40 KT LATE. SEAS 8 FT. SNOW LATE. .WED...E GALE TO 40 KT. SEAS 8 FT. .WED NIGHT...E GALE TO 35 KT. SEAS 7 FT. .THU...E WIND 30 KT. SEAS 6 FT. .FRI...E WIND 25 KT. SEAS 5 FT. .SAT...E WIND 25 KT. SEAS 5 FT. $$ PKZ036-181400- CLARENCE STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TUESDAY... .TONIGHT...N WIND 10 KT. SEAS 2 FT OR LESS...EXCEPT 5 FT NEAR OCEAN ENTRANCES. .TUE...SE WIND INCREASING TO 25 KT IN THE AFTERNOON. SEAS 5 FT. NEAR OCEAN ENTRANCES...SEAS 5 FT BUILDING TO 8 FT IN THE AFTERNOON. .TUE NIGHT...SE GALE TO 35 KT. GUSTS TO 50 KT OUT OF INTERIOR PASSES. SEAS 7 FT. RAIN IN THE EVENING...THEN SNOW AND RAIN LATE. .WED...SE GALE TO 35 KT. SEAS 7 FT. SNOW AND RAIN. .WED NIGHT...SE WIND 30 KT. SEAS 6 FT. .THU...SE WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 20 KT. SEAS 4 FT. .SAT...SE WIND 20 KT. SEAS 4 FT. $$
951 FZAK51 PAJK 180847 CCA CWFAJK COASTAL WATERS FORECAST FOR SOUTHEAST ALASKA...CORRECTED NATIONAL WEATHER SERVICE JUNEAU AK 1145 PM AKST MON DEC 17 2012 SOUTHEAST ALASKA INSIDE WATERS FROM DIXON ENTRANCE TO SKAGWAY WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT. PKZ098-181400- 400 PM AKST MON DEC 17 2012 .SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS... A 988 MB LOW OVER THE EASTERN GULF WILL SLOWLY WEAKEN AS IT DRIFTS SE TOWARD HAIDA GWAII THROUGH MON NIGHT. HIGH PRESSURE IN THE ALASKAN INTERIOR AND IN YUKON TERRITORY CONTINUE TO SEND ARCTIC AIR INTO THE PANHANDLE THROUGH MON NIGHT. ANOTHER LOW WILL MOVE INTO THE GULF TUE. $$ PKZ011-181400- GLACIER BAY- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N WIND 30 KT DIMINISHING LATE. SEAS 6 FT. FREEZING SPRAY. .TUE...N WIND INCREASING TO 30 KT IN THE AFTERNOON. SEAS 6 FT. FREEZING SPRAY. .TUE NIGHT...N WIND 30 KT INCREASING 35 KT LATE. SEAS 7 FT. FREEZING SPRAY. .WED...N GALE TO 40 KT. SEAS 8 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 40 KT. SEAS 8 FT. FREEZING SPRAY. .THU...N GALE TO 40 KT. SEAS 8 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 25 KT. SEAS 5 FT. $$ PKZ012-181400- NORTHERN LYNN CANAL- 1145 PM AKST MON DEC 17 2012 CORRECTED ...GALE WARNING TONIGHT AND TUESDAY... ...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY... .REST OF TONIGHT...N WIND 35 KT DIMINISHING LATE. SEAS 9 FT. HEAVY FREEZING SPRAY. .TUE...N WIND INCREASING TO 35 KT IN THE AFTERNOON. SEAS 7 FT. HEAVY FREEZING SPRAY. .TUE NIGHT...N GALE TO 40 KT INCREASING TO STORM FORCE WIND TO 50 KT LATE. SEAS 8 FT BUILDING TO 10 FT LATE. HEAVY FREEZING SPRAY. .WED...N STORM FORCE WIND TO 55 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. .WED NIGHT...N STORM FORCE WIND TO 55 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. .THU...N STORM FORCE WIND TO 50 KT. SEAS 10 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 30 KT. SEAS 6 FT. $$ PKZ013-181400- SOUTHERN LYNN CANAL- 400 PM AKST MON DEC 17 2012 ...GALE WARNING THROUGH TONIGHT... .TONIGHT...N WIND 35 KT DIMINISHING TO 30 KT LATE. SEAS 7 FT. FREEZING SPRAY. .TUE...N WIND 25 KT. SEAS 5 FT. FREEZING SPRAY. .TUE NIGHT...N GALE TO 35 KT INCREASING TO 40 KT LATE. SEAS 8 FT. FREEZING SPRAY. .WED...N GALE TO 45 KT. SEAS 9 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 45 KT. SEAS 9 FT. HEAVY FREEZING SPRAY. .THU...N GALE TO 40 KT. SEAS 8 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 25 KT. SEAS 5 FT. $$ PKZ021-181400- ICY STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...E WIND 25 KT BECOMING 20 KT LATE. SEAS 5 FT. .TUE...E WIND INCREASING TO 30 KT IN THE AFTERNOON. SEAS 6 FT. .TUE NIGHT...NE GALE TO 35 KT. SEAS 7 FT. .WED...NE GALE TO 35 KT. SEAS 7 FT. .WED NIGHT...NE GALE TO 35 KT. SEAS 7 FT. .THU...NE GALE TO 35 KT. SEAS 7 FT. .FRI...E WIND 30 KT. SEAS 6 FT. .SAT...E WIND 20 KT. SEAS 4 FT. $$ PKZ022-181400- CROSS SOUND- 400 PM AKST MON DEC 17 2012 ...GALE WARNING TUESDAY... .TONIGHT...E WIND 30 KT. SEAS 6 FT. .TUE...NE WIND INCREASING TO 35 KT IN THE AFTERNOON. SEAS 7 FT. .TUE NIGHT...NE GALE TO 40 KT. SEAS 8 FT. .WED...NE GALE TO 40 KT. SEAS 9 FT. .WED NIGHT...NE GALE TO 40 KT. SEAS 8 FT. .THU...NE GALE TO 35 KT. SEAS 7 FT. .FRI...NE WIND 30 KT. SEAS 6 FT. .SAT...NE WIND 20 KT. SEAS 4 FT. $$ PKZ031-181400- STEPHENS PASSAGE- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...N WIND 30 KT DIMINISHING LATE. GUSTS TO 50 KT OUT OF INTERIOR PASSES. SEAS 6 FT. FREEZING SPRAY. .TUE...N WIND INCREASING TO 25 KT IN THE AFTERNOON. GUSTS TO 45 KT OUT OF INTERIOR PASSES. SEAS 5 FT. FREEZING SPRAY. .TUE NIGHT...N GALE TO 35 KT INCREASING TO 40 KT LATE. GUSTS TO 60 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .WED...N GALE TO 40 KT. GUSTS TO 70 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 40 KT. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .THU...N GALE TO 35 KT. SEAS 7 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N WIND 25 KT. SEAS 5 FT. $$ PKZ032-181400- NORTHERN CHATHAM STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...N WIND 25 KT DIMINISHING TO 20 KT LATE. SEAS 5 FT. .TUE...N WIND INCREASING TO 25 KT IN THE AFTERNOON. SEAS 5 FT. .TUE NIGHT...N WIND 30 KT. SEAS 6 FT. .WED...N GALE TO 35 KT. SEAS 7 FT. .WED NIGHT...N WIND 30 KT. SEAS 6 FT. .THU...N WIND 30 KT. SEAS 6 FT. .FRI...N WIND 30 KT. SEAS 6 FT. .SAT...N WIND 20 KT. SEAS 4 FT. $$ PKZ033-181400- SOUTHERN CHATHAM STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TUESDAY... .TONIGHT...N WIND 20 KT DIMINISHING LATE. SEAS 4 FT. NEAR OCEAN ENTRANCES...SEAS 8 FT SUBSIDING TO 6 FT LATE. .TUE...E WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 4 FT BUILDING TO 6 FT IN THE AFTERNOON. NEAR OCEAN ENTRANCES...SEAS 8 FT. .TUE NIGHT...E GALE TO 35 KT. SEAS 7 FT. SNOW LATE. .WED...E GALE TO 35 KT. SEAS 7 FT. SNOW. .WED NIGHT...NE WIND 30 KT. SEAS 6 FT...EXCEPT 9 FT NEAR OCEAN ENTRANCES. .THU...N WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 20 KT. SEAS 4 FT. .SAT...SE WIND 20 KT. SEAS 4 FT. $$ PKZ034-181400- FREDERICK SOUND- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TONIGHT...NE WIND 25 KT DIMINISHING LATE. SEAS 5 FT. .TUE...E WIND INCREASING TO 25 KT IN THE AFTERNOON. GUSTS TO 40 KT OUT OF INTERIOR PASSES. SEAS 5 FT. .TUE NIGHT...E WIND 30 KT INCREASING TO 35 KT LATE. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 7 FT. .WED...NE GALE TO 35 KT. GUSTS TO 70 KT OUT OF INTERIOR PASSES. SEAS 7 FT. .WED NIGHT...N WIND 30 KT. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 6 FT. .THU...NE WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 30 KT. SEAS 6 FT. .SAT...SE WIND 25 KT. SEAS 5 FT. $$ PKZ035-181400- SUMNER STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TUESDAY... .TONIGHT...NE WIND 15 KT. SEAS 3 FT. .TUE...E WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 4 FT BUILDING TO 6 FT IN THE AFTERNOON. .TUE NIGHT...E GALE TO 35 KT INCREASING TO 40 KT LATE. SEAS 8 FT. SNOW LATE. .WED...E GALE TO 40 KT. SEAS 8 FT. .WED NIGHT...E GALE TO 35 KT. SEAS 7 FT. .THU...E WIND 30 KT. SEAS 6 FT. .FRI...E WIND 25 KT. SEAS 5 FT. .SAT...E WIND 25 KT. SEAS 5 FT. $$ PKZ036-181400- CLARENCE STRAIT- 400 PM AKST MON DEC 17 2012 ...SMALL CRAFT ADVISORY TUESDAY... .TONIGHT...N WIND 10 KT. SEAS 2 FT OR LESS...EXCEPT 5 FT NEAR OCEAN ENTRANCES. .TUE...SE WIND INCREASING TO 25 KT IN THE AFTERNOON. SEAS 5 FT. NEAR OCEAN ENTRANCES...SEAS 5 FT BUILDING TO 8 FT IN THE AFTERNOON. .TUE NIGHT...SE GALE TO 35 KT. GUSTS TO 50 KT OUT OF INTERIOR PASSES. SEAS 7 FT. RAIN IN THE EVENING...THEN SNOW AND RAIN LATE. .WED...SE GALE TO 35 KT. SEAS 7 FT. SNOW AND RAIN. .WED NIGHT...SE WIND 30 KT. SEAS 6 FT. .THU...SE WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 20 KT. SEAS 4 FT. .SAT...SE WIND 20 KT. SEAS 4 FT. $$
758 FZAK51 PAJK 181254 CWFAJK COASTAL WATERS FORECAST FOR SOUTHEAST ALASKA NATIONAL WEATHER SERVICE JUNEAU AK 400 AM AKST TUE DEC 18 2012 SOUTHEAST ALASKA INSIDE WATERS FROM DIXON ENTRANCE TO SKAGWAY WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT. PKZ098-190100- 400 AM AKST TUE DEC 18 2012 .SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS... A GALE FORCE LOW WILL MOVE INTO THE CENTRAL GULF TUE WITH THE ASSOCIATED FRONT REACHING THE SOUTHERN PANHANDLE TUE EVENING. HIGH PRESSURE IN THE YUKON TERRITORY WILL CONTINUE TO SEND ARCTIC AIR INTO THE PANHANDLE THROUGH WED. $$ PKZ011-190100- GLACIER BAY- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TONIGHT... .TODAY...N WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 4 FT BUILDING TO 6 FT IN THE AFTERNOON. FREEZING SPRAY. .TONIGHT...N WIND INCREASING TO 35 KT LATE. SEAS 7 FT. FREEZING SPRAY. .WED...N GALE TO 40 KT. SEAS 8 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 40 KT. SEAS 8 FT. FREEZING SPRAY. .THU...N GALE TO 45 KT. SEAS 9 FT. .FRI...N GALE TO 40 KT. SEAS 8 FT. .SAT...N GALE TO 40 KT. SEAS 8 FT. $$ PKZ012-190100- NORTHERN LYNN CANAL- 400 AM AKST TUE DEC 18 2012 ...STORM WARNING TONIGHT... ...HEAVY FREEZING SPRAY WARNING THROUGH TONIGHT... .TODAY...N WIND 25 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS 5 FT BUILDING TO 8 FT IN THE AFTERNOON. HEAVY FREEZING SPRAY. .TONIGHT...N WIND 40 KT INCREASING TO 50 KT LATE. SEAS 10 FT. HEAVY FREEZING SPRAY. .WED...N STORM FORCE WIND TO 55 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. .WED NIGHT...N STORM FORCE WIND TO 55 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. .THU...N STORM FORCE WIND TO 50 KT. SEAS 10 FT. .FRI...N GALE TO 45 KT. SEAS 9 FT. .SAT...N GALE TO 40 KT. SEAS 8 FT. $$ PKZ013-190100- SOUTHERN LYNN CANAL- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TONIGHT... .TODAY...N WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 6 FT. FREEZING SPRAY. .TONIGHT...N WIND 35 KT INCREASING TO 45 KT LATE. SEAS 7 FT BUILDING TO 9 FT LATE. FREEZING SPRAY. .WED...N GALE TO 45 KT. SEAS 9 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 45 KT. SEAS 9 FT. HEAVY FREEZING SPRAY. .THU...N GALE TO 40 KT. SEAS 8 FT. .FRI...N GALE TO 40 KT. SEAS 8 FT. .SAT...N GALE TO 40 KT. SEAS 8 FT. $$ PKZ021-190100- ICY STRAIT- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TONIGHT... .TODAY...E WIND 25 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 6 FT. .TONIGHT...E WIND 35 KT. SEAS 7 FT. .WED...NE GALE TO 35 KT. SEAS 7 FT. .WED NIGHT...NE GALE TO 35 KT. SEAS 7 FT. .THU...NE GALE TO 35 KT. SEAS 7 FT. .FRI...NE GALE TO 35 KT. SEAS 7 FT. .SAT...E WIND 30 KT. SEAS 6 FT. $$ PKZ022-190100- CROSS SOUND- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TODAY THROUGH TONIGHT... .TODAY...NE WIND 25 KT INCREASING TO 35 KT IN THE AFTERNOON. SEAS 5 FT BUILDING TO 7 FT IN THE AFTERNOON. .TONIGHT...NE WIND 40 KT. SEAS 8 FT. .WED...NE GALE TO 40 KT. SEAS 9 FT. .WED NIGHT...NE GALE TO 40 KT. SEAS 8 FT. .THU...NE GALE TO 40 KT. SEAS 8 FT. .FRI...NE GALE TO 35 KT. SEAS 7 FT. .SAT...E WIND 30 KT. SEAS 6 FT. $$ PKZ031-190100- STEPHENS PASSAGE- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TONIGHT... .TODAY...N WIND 20 KT BECOMING NE 25 KT IN THE AFTERNOON. GUSTS TO 45 KT OUT OF INTERIOR PASSES. SEAS 5 FT. FREEZING SPRAY. .TONIGHT...NE WIND 30 KT INCREASING TO 40 KT LATE. GUSTS TO 60 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .WED...N GALE TO 40 KT. GUSTS TO 60 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .WED NIGHT...N GALE TO 40 KT. GUSTS TO 60 KT OUT OF INTERIOR PASSES. SEAS 8 FT. FREEZING SPRAY. .THU...N GALE TO 35 KT. SEAS 7 FT. .FRI...N GALE TO 35 KT. SEAS 7 FT. .SAT...N GALE TO 35 KT. SEAS 7 FT. $$ PKZ032-190100- NORTHERN CHATHAM STRAIT- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TONIGHT... .TODAY...NE WIND 20 KT BECOMING SE 25 KT IN THE AFTERNOON. SEAS 5 FT. .TONIGHT...SE WIND 30 KT BECOMING N 35 KT LATE. SEAS 7 FT. .WED...N GALE TO 35 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 7 FT. .WED NIGHT...N WIND 30 KT. SEAS 6 FT. .THU...N WIND 30 KT. SEAS 6 FT. .FRI...N WIND 30 KT. SEAS 6 FT. .SAT...N WIND 30 KT. SEAS 6 FT. $$ PKZ033-190100- SOUTHERN CHATHAM STRAIT- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TONIGHT... .TODAY...SE WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 4 FT BUILDING TO 6 FT IN THE AFTERNOON. NEAR OCEAN ENTRANCES...SEAS 8 FT. .TONIGHT...SE WIND 35 KT BECOMING NE 40 KT LATE. SEAS 8 FT. SNOW LATE. .WED...NE GALE TO 35 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 7 FT...EXCEPT 9 FT NEAR OCEAN ENTRANCES. SNOW. .WED NIGHT...N WIND 30 KT. SEAS 6 FT...EXCEPT 9 FT NEAR OCEAN ENTRANCES. .THU...N WIND 30 KT. SEAS 6 FT. .FRI...N WIND 25 KT. SEAS 5 FT. .SAT...SE WIND 25 KT. SEAS 5 FT. $$ PKZ034-190100- FREDERICK SOUND- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TONIGHT... .TODAY...NE WIND 20 KT INCREASING TO 25 KT IN THE AFTERNOON. GUSTS TO 40 KT OUT OF INTERIOR PASSES. SEAS 5 FT. .TONIGHT...E WIND 35 KT. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 7 FT. .WED...NE WIND 30 KT. GUSTS TO 70 KT OUT OF INTERIOR PASSES. SEAS 7 FT. .WED NIGHT...N WIND 30 KT. GUSTS TO 65 KT OUT OF INTERIOR PASSES. SEAS 6 FT. .THU...N WIND 30 KT. SEAS 6 FT. .FRI...NE WIND 30 KT. SEAS 6 FT. .SAT...NE WIND 30 KT. SEAS 6 FT. $$ PKZ035-190100- SUMNER STRAIT- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TONIGHT... .TODAY...E WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 4 FT BUILDING TO 6 FT IN THE AFTERNOON. .TONIGHT...E WIND INCREASING TO 40 KT LATE. SEAS 8 FT. .WED...E GALE TO 40 KT DIMINISHING TO GALE TO 35 KT IN THE AFTERNOON. SEAS 8 FT. SNOW IN THE MORNING. .WED NIGHT...E GALE TO 35 KT. SEAS 7 FT. .THU...NE GALE TO 35 KT. SEAS 7 FT. .FRI...NE GALE TO 35 KT. SEAS 7 FT. .SAT...E WIND 30 KT. SEAS 6 FT. $$ PKZ036-190100- CLARENCE STRAIT- 400 AM AKST TUE DEC 18 2012 ...GALE WARNING TONIGHT... .TODAY...SE WIND 15 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 3 FT BUILDING TO 6 FT. .TONIGHT...SE WIND 40 KT. SEAS 8 FT...EXCEPT 12 FT NEAR OCEAN ENTRANCES. SNOW AND RAIN LATE. .WED...SE GALE TO 35 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 7 FT. SNOW AND RAIN. .WED NIGHT...SE WIND 30 KT. SEAS 6 FT. .THU...SE WIND 30 KT. SEAS 6 FT. .FRI...SE WIND 30 KT. SEAS 6 FT. .SAT...SE WIND 25 KT. SEAS 5 FT. $$
What forecasters said that day
The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Juneau, AK wrote its last area forecast discussion before this small craft advisory went out at Dec 17, 4:00 PM AKST, 0 minutes earlier.
Area forecast discussion, Dec 17, 4:00 PM AKST, 0 minutes before
SOUTHEAST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JUNEAU AK
400 PM AKST MON DEC 17 2012
.SHORT TERM....SHORT TERM...988 MB LOW ABOUT 120 SW OF SITKA WILL BE MOVING SE
ALONG HAIDA GWAII ABOUT 06Z-09Z. THIS TRACK IS PARTIALLY DUE TO
INTERACTION WITH THE MAJOR SYSTEM THAT MADE LANDFALL NEAR SEATTLE
TODAY.
THE ARCTIC OUTBREAK ALREADY OVER THE NORTHERN TWO THIRDS OF THE
PANHANDLE WILL CONTINUE TO SPREAD S. THE NORTHERLY PRESSURE
GRADIENT ALONG THE PANHANDLE IS SUPPORTED BY A COMBINATION OF
THE ARCTIC HIGH IN YUKON TERRITORY AND THE LOW TO THE SOUTH.
CONFIDENCE IS AVERAGE. PLEASE NOTE THE ARCTIC OUTBREAK IS ALSO
PROVIDING FREEZING SPRAY IN THE NORTHERN INNER CHANNELS AS WELL
AS STEPHENS PASSAGE AND OUT OF INTERIOR PASSES.
THE TRACK AND DEPTH OF THE LOW AS WELL AS THE ARCTIC OUTFLOW
SOURCE IN YUKON TERRITORY HAVE BEEN THE PRIMARY ISSUES. FOR
THE LOW TO THE SOUTH, THE CONVECTION IS STILL IMPORTANT TO
SOUTHERN SOUTHEAST ALASKA, ALBEIT THE LOW ITSELF IS PROVIDING
THE NORTHERLY FLOW ENHANCEMENT FARTHER S.
GOES VISIBLE IMAGES SHOW AS AND AC DECKS OVER NW BRITISH COLUMBIA
AND THE NORTHERN PANHANDLE. WEB CAMERA POINTED TO THE NE OF
SKAGWAY SHOWS THE AC FROM UNDERNEATH. THE ECMWF, GFS, AND NAM ALL
SHOW THE 700 LAYER RH DRYING OUT FROM THE NW BY ABOUT 06Z.
THE GOES IR SHOWS THE BANDS OF CONVECTION ASSOCIATED WITH THE LOW.
EMBEDDED CYCLONIC FEATURES SHOW UP WELL, ALBEIT THESE ARE WITHIN
AN AIR MASS AND NONE SHOULD BE CYCLOGENETIC.
.LONG TERM...MODELS STILL STRUGGLING WITH SOME OF THE DETAILS LATE
WEEK INTO THE WEEKEND...BUT THE PATTERN SUGGESTS IT WILL REMAIN
COLD THROUGH THE PERIOD ESPECIALLY OVER THE NRN AND CENTRAL AREAS.
LOOKS LIKE THE MODELS ARE BEGINNING TO COME INTO BETTER AGREEMENT
ON HOW THE UPPER RIDGE OVER THE WRN PART OF THE STATE WILL
EVOLVE...WITH A GOOD CONSENSUS ON THE RIDGE PINCHING OFF TO AN
UPPER HIGH OVER THE NW OR N-CENTRAL PART OF AK BY THE FRI/SAT TIME
FRAME. THIS TENDS TO MAINTAIN VERY COLD AIR OVER THIS AREA UNTIL
AN UPPER LOW OR TROF CAN DEVELOP TO THE S OF THE UPPER HIGH...OVER
THE GULF OR SRN PART OF AK...WHICH MODELS HINT AT LATER IN THE
WEEKEND AND EARLY NEXT WEEK. CURRENT FORECAST AS FAR AS WINDS AND
PRESSURES STILL LOOKED GOOD SO DECIDED TO LIMIT CHANGES TO OTHER
ELEMENTS...MAINLY TEMPS AND POPS.
FOR TUE NIGHT INTO WED NIGHT...A LOW OVER THE S-CENTRAL GULF WILL
DRIFT SE AS LARGE SCALE FLOW AMPLIFIES...DIGGING UPPER TROF OVER
THE GULF AND FAR ERN PAC. LOOKS LIKE PRECIP FROM THE LOW AND THE
ASSOCIATED OCCLUDED FRONT WILL BE GENERALLY LIMITED TO THE SRN
AREA...ALTHOUGH A FEW FLURRIES OR A PERIOD OF LIGHT SNOW IS
POSSIBLE IN THE CENTRAL AREA WED INTO WED NIGHT ESPECIALLY WHERE
ELY FLOW IS UPSLOPE. DID NOSE SOME HIGHER POPS NWD INTO THE PAOH
AREA FOR THIS REASON...BUT KEPT THEM AT CHANCE LEVELS. THE E SIDE
OF BARANOF ISLAND MAY END UP GETTING THE MOST PRECIP OUT OF THIS
SYSTEM AS THE FLOW WILL REMAIN UPSLOPE THERE INTO WED...AND WITH
JUST COLD ENOUGH AIR IN AT THE LOWER LEVELS...COULD SEE A DECENT
SNOW EVENT. WILL NOT ISSUE ANY STATEMENTS YET AS THERE REMAIN
ENOUGH DIFFERENCES BETWEEN THE MODELS ON HOW FAST THE FRONT LIFTS
NWD AND WEAKENS...THUS HOW LONG THE STRONGER ELY FLOW PERSISTS IN
THE PRE-FRONTAL ENVIRONMENT...AND HOW MUCH PRECIP FALLS. ANOTHER
ISSUE DURING THIS TIME IS POTENTIAL FOR MOUNTAIN WAVE DEVELOPMENT
IN THE JUNEAU AREA. BOTH GFS AND NAM SHOW AT LEAST MARGINAL
CONDITIONS WITH A FEW PERIODS OF FAVORABLE...WHICH COULD LEAD TO
LOW END WARNING LEVEL WINDS. THE CRITICAL LEVEL DOES JUMP UP
FAIRLY HIGH HOWEVER SO NOT ENOUGH CONFIDENCE TO ISSUE ANYTHING
ATTM.
FOR THU INTO THE WEEKEND...LOW PULLS AWAY FROM THE AREA ALTHOUGH
FRONT ALOFT DRIFTS NWD OVER THE NRN AND CENTRAL AREA INTO FRI
BEFORE IT SLOWLY DISSIPATES. THINK THIS WILL MAINLY MAINTAIN SOME
MID-LEVEL CLOUDS OVER THE AREA ALTHOUGH A FEW FLURRIES CANNOT BE
RULED OUT. COLDER AIR WILL MOVE BACK IN THU-SAT AND HAVE LOWERED
TEMPS IN RESPONSE. MOS GUIDANCE IS COLDER THAN THE FORECAST WILL
HAVE AT THIS POINT BUT WANTED TO JUST TREND TEMPS DOWNWARD AND NOT
JUMP ALL THE WAY TO THE MOS NUMBERS YET. TEMPS WILL BE WELL BELOW
AVERAGE DURING THIS TIME IN ANY CASE.
EARLY NEXT WEEK...WITH UPPER HIGH ESTABLISHED OVER THE FAR NRN
PART OF THE STATE...MAY HAVE TO WATCH FOR ENERGY MOVING AROUND
THE HIGH FROM THE N-NE AND DIGGING INTO THE GULF OR SRN PART OF
AK. MODELS HINT AT THIS BUT DIFFER GREATLY ON TIMING AND POSITION
OF THE UPPER LOW THAT DEVELOPS. WILL ALSO HAVE TO WATCH FOR
INTERACTIONS WITH SRN STREAM SYSTEMS AS WELL THAT COULD BRING
PRECIP INTO THE AREA. FORECAST CONFIDENCE IS LOW DURING THIS TIME
EXCEPT THAT IT WILL LIKELY REMAIN COLDER THAN AVERAGE.
.AJK WATCHES/WARNINGS/ADVISORIES...
PUBLIC...STRONG WIND UNTIL MIDNIGHT AKST TONIGHT FOR AKZ018-019.
WIND CHILL ADVISORY UNTIL 9 PM AKST THIS EVENING FOR AKZ018.
STRONG WIND UNTIL 6 PM AKST THIS EVENING FOR AKZ017.
WINTER WEATHER ADVISORY UNTIL 6 PM AKST THIS EVENING FOR AKZ028.
MARINE...HEAVY FREEZING SPRAY WARNING FOR PKZ011.
HEAVY FREEZING SPRAY WARNING FOR PKZ012.
STORM WARNING FOR PKZ012.
GALE WARNING FOR PKZ011-013-022-041>043-051-052.
SMALL CRAFT ADVISORY FOR PKZ021-031>036-053.
&&
JBT/RWTThe office that day
Everything else NWS Juneau, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 4:00 PM AKST | Gale Warning | AJK | 24 hr | |
| Dec 17, 4:00 PM AKST | Gale Warning | AJK | 24 hr | |
| Dec 17, 4:00 PM AKST | Gale Warning | AJK | 12 hr | |
| Dec 18, 4:00 AM AKST | Gale Warning | AJK | 12 hr | |
| Dec 18, 4:00 AM AKST | Gale Warning | AJK | 12 hr | |
| Dec 18, 4:00 AM AKST | Storm Warning | AJK | 12 hr |
Nearby
Small Craft Advisories in Alaska, 2012Every small craft advisory in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.