Alert archive / Alaska / Gale Warnings in 2017

Gale Warning 2, NWS Juneau, AK

January 12, 2017

NWS Juneau, AK issued this gale warning at Jan 12, 2017, 3:13 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
Jan 12, 2017, 3:13 AM AKST (12:13 UTC)
Expired
Jan 16, 2017, 2:59 PM AKST
In force
4 days
Issued by
NWS Juneau, AK

The text

As transmitted.

380 
FZAK67 PAJK 121213
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
313 AM AKST THU JAN 12 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-130100-
313 AM AKST THU JAN 12 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A RIDGE OF HIGH PRESSURE WILL INCREASE SOUTHERLY WINDS THROUGH
THE INNER CHANNELS THU. A GALE FORCE FRONT WILL MOVE INTO THE
EASTERN GULF FROM THE SW FRI. 

$$

PKZ310-130100-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
313 AM AKST THU JAN 12 2017

...GALE WARNING TONIGHT...

.TODAY...W WIND 25 KT. SEAS 8 FT. 
.TONIGHT...SW WIND 20 KT BECOMING S 35 KT LATE. SEAS 8 FT
BUILDING TO 11 FT LATE. RAIN LATE.
.FRI...S GALE TO 35 KT. SEAS 14 FT. RAIN.
.FRI NIGHT...S WIND 30 KT. SEAS 17 FT. RAIN.
.SAT...SW WIND 30 KT. SEAS 17 FT. 
.SUN...S GALE TO 35 KT. SEAS 18 FT. 
.MON...SW WIND 25 KT. SEAS 20 FT. 

$$
11 follow-up statements
625 
FZAK67 PAJK 130029
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
329 PM AKST THU JAN 12 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-131830-
329 PM AKST THU JAN 12 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A GALE FORCE FRONT WILL MOVE INTO THE EASTERN GULF FROM THE SW
FRI. A SERIES OF STORMS WILL IMPACT THE GULF AND INNER CHANNELS
THROUGH NEXT WEEK. 

$$

PKZ310-131830-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
329 PM AKST THU JAN 12 2017

...GALE WARNING FRIDAY...

.TONIGHT...S WIND 30 KT. SEAS 9 FT. RAIN LATE. 
.FRI...S WIND 35 KT. SEAS 14 FT. RAIN.
.FRI NIGHT...S GALE TO 35 KT. SEAS 19 FT. RAIN.
.SAT...SW WIND 30 KT. SEAS 19 FT. RAIN SHOWERS IN THE MORNING.
.SAT NIGHT...SW WIND 20 KT BECOMING S 30 KT LATE. SEAS 17 FT. 
.SUN...S GALE TO 40 KT. SEAS 21 FT. 
.MON...SW WIND 30 KT. SEAS 25 FT. 
.TUE...SE WIND 20 KT. SEAS 15 FT. 

$$
813 
FZAK67 PAJK 130658 AAA
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
1000 PM AKST THU JAN 12 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-131830-
1000 PM AKST THU JAN 12 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A GALE FORCE FRONT WILL MOVE INTO THE EASTERN GULF FROM THE SW
FRI. A SERIES OF STORMS WILL IMPACT THE GULF AND INNER CHANNELS
THROUGH NEXT WEEK. 

$$

PKZ310-131830-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
1000 PM AKST THU JAN 12 2017

...GALE WARNING TONIGHT THROUGH FRIDAY...

.TONIGHT...S WIND INCREASING TO 35 KT LATE. SEAS 9 FT. RAIN LATE. 
.FRI...S WIND 35 KT. SEAS 14 FT. RAIN.
.FRI NIGHT...S GALE TO 35 KT. SEAS 19 FT. RAIN.
.SAT...SW WIND 30 KT. SEAS 19 FT. RAIN SHOWERS IN THE MORNING.
.SAT NIGHT...SW WIND 20 KT BECOMING S 30 KT LATE. SEAS 17 FT. 
.SUN...S GALE TO 40 KT. SEAS 21 FT. 
.MON...SW WIND 30 KT. SEAS 25 FT. 
.TUE...SE WIND 20 KT. SEAS 15 FT. 

$$
124 
FZAK67 PAJK 131214
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
314 AM AKST FRI JAN 13 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-140100-
314 AM AKST FRI JAN 13 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A GALE FORCE FRONT MOVES INTO THE EASTERN GULF FROM THE SW FRI
INTO FRI NIGHT THEN WEAKENS ON SAT. A SERIES OF STORMS WILL
IMPACT THE GULF AND INNER CHANNELS THROUGH NEXT WEEK. 

$$

PKZ310-140100-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
314 AM AKST FRI JAN 13 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...S WIND 35 KT. SEAS 13 FT BUILDING TO 17 FT IN THE
AFTERNOON. RAIN.
.TONIGHT...S WIND 40 KT. SEAS 20 FT. RAIN.
.SAT...SW GALE TO 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON.
SEAS 20 FT. RAIN SHOWERS.
.SAT NIGHT...S WIND 30 KT. SEAS 17 FT. 
.SUN...S GALE TO 40 KT. SEAS 19 FT. 
.MON...SW WIND 30 KT. SEAS 21 FT. 
.TUE...SE WIND 20 KT. SEAS 13 FT. 

$$
658 
FZAK67 PAJK 140033
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
333 PM AKST FRI JAN 13 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-141845-
333 PM AKST FRI JAN 13 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A FRONT MOVES ACROSS THE PANHANDLE ON SAT WHILE WEAKENING. A
SERIES OF STORMS WILL IMPACT THE GULF AND INNER CHANNELS THROUGH
NEXT WEEK. 

$$

PKZ310-141845-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
333 PM AKST FRI JAN 13 2017

...GALE WARNING THROUGH SATURDAY...

.TONIGHT...S WIND 40 KT. SEAS 20 FT. RAIN.
.SAT...SW WIND 35 KT. SEAS 21 FT. RAIN SHOWERS. 
.SAT NIGHT...W WIND 25 KT BECOMING SW 15 KT LATE. SEAS 16 FT. SW
SWELL. 
.SUN...SE WIND 30 KT INCREASING TO GALE TO 45 KT IN THE
AFTERNOON. SEAS 17 FT. RAIN.
.SUN NIGHT...SE GALE TO 40 KT BECOMING S 30 KT LATE. SEAS 22 FT.
RAIN.
.MON...SW WIND 30 KT. SEAS 21 FT. 
.TUE...SE WIND 20 KT. SEAS 13 FT. 
.WED...W WIND 20 KT. SEAS 10 FT. 

$$
961 
FZAK67 PAJK 141208
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
308 AM AKST SAT JAN 14 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-150100-
308 AM AKST SAT JAN 14 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A FRONT MOVES ACROSS THE PANHANDLE ON SATURDAY WHILE WEAKENING.
A STORM FORCE FRONT WILL MOVE INTO THE EASTERN GULF SUNDAY
EVENING. 

$$

PKZ310-150100-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
308 AM AKST SAT JAN 14 2017

...GALE WARNING THROUGH TODAY...

.TODAY...SW WIND 40 KT DIMINISHING TO 30 KT IN THE AFTERNOON.
SEAS 20 FT. RAIN SHOWERS.
.TONIGHT...SW WIND 30 KT. SEAS 17 FT. 
.SUN...SE WIND 30 KT INCREASING TO GALE TO 45 KT IN THE
AFTERNOON. SEAS 18 FT. RAIN.
.SUN NIGHT...SE GALE TO 45 KT BECOMING S GALE TO 35 KT LATE. SEAS
22 FT. RAIN.
.MON...SW GALE TO 35 KT. SEAS 23 FT. 
.TUE...SE WIND 20 KT. SEAS 12 FT. 
.WED...W WIND 20 KT. SEAS 9 FT. 

$$
798 
FZAK67 PAJK 150017
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
317 PM AKST SAT JAN 14 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-151830-
317 PM AKST SAT JAN 14 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A STORM FORCE FRONT WILL MOVE INTO THE EASTERN GULF SUNDAY
EVENING. 

$$

PKZ310-151830-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
317 PM AKST SAT JAN 14 2017

...GALE WARNING SUNDAY...

.TONIGHT...W WIND 30 KT. SEAS 18 FT. RAIN SHOWERS EARLY IN THE
EVENING. 
.SUN...SE WIND 30 KT INCREASING TO 45 KT IN THE AFTERNOON.
SEAS 17 FT. RAIN.
.SUN NIGHT...S GALE TO 35 KT. SEAS 18 FT. RAIN.
.MON...W GALE TO 35 KT. SEAS 21 FT. 
.MON NIGHT...SW WIND 20 KT. SEAS 18 FT. S SWELL. 
.TUE...SE WIND 20 KT. SEAS 11 FT. 
.WED...W WIND 20 KT. SEAS 13 FT. 
.THU...W WIND 30 KT. SEAS 13 FT. 

$$
761 
FZAK67 PAJK 150152 AAA
OFFAJK

OFFSHORE WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE JUNEAU AK
452 PM AKST SAT JAN 14 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-151830-
452 PM AKST SAT JAN 14 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A STORM FORCE FRONT WILL MOVE INTO THE EASTERN GULF SUNDAY
EVENING. 

$$

PKZ310-151830-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
452 PM AKST SAT JAN 14 2017

UPDATED

...GALE WARNING SUNDAY...

.TONIGHT...W WIND 30 KT DIMINISHING LATE. SEAS 18 FT. RAIN SHOWERS
EARLY IN THE EVENING. 
.SUN...SE WIND 20 KT INCREASING TO 45 KT IN THE AFTERNOON.
SEAS 17 FT. RAIN.
.SUN NIGHT...S GALE TO 35 KT. SEAS 18 FT. RAIN.
.MON...W GALE TO 35 KT. SEAS 21 FT. 
.MON NIGHT...SW WIND 20 KT. SEAS 18 FT. S SWELL. 
.TUE...SE WIND 20 KT. SEAS 11 FT. 
.WED...W WIND 20 KT. SEAS 13 FT. 
.THU...W WIND 30 KT. SEAS 13 FT. 

$$
729 
FZAK67 PAJK 151233
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
333 AM AKST SUN JAN 15 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-160100-
333 AM AKST SUN JAN 15 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A STORM FORCE FRONT WILL MOVE INTO THE EASTERN GULF SUNDAY
EVENING CROSSING OVER THE PANHANDLE THROUGH MONDAY. 

$$

PKZ310-160100-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
333 AM AKST SUN JAN 15 2017

...GALE WARNING TODAY THROUGH TONIGHT...

.TODAY...SW WIND 15 KT BECOMING S 30 KT IN THE MORNING...THEN
BECOMING SE 45 KT IN THE AFTERNOON. SEAS 17 FT. RAIN.
.TONIGHT...S WIND 40 KT BECOMING SW 30 KT LATE. SEAS 19 FT. RAIN.
.MON...W GALE TO 40 KT. SEAS 21 FT. RAIN IN THE MORNING. 
.MON NIGHT...SW WIND 20 KT. SEAS 19 FT. S SWELL SHIFTING TO THE
SW LATE. 
.TUE...E WIND 25 KT. SEAS 11 FT. 
.WED...W WIND 30 KT. SEAS 11 FT. 
.THU...W WIND 30 KT. SEAS 17 FT. 

$$
822 
FZAK67 PAJK 160014
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
314 PM AKST SUN JAN 15 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-161815-
314 PM AKST SUN JAN 15 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A STORM FORCE FRONT WILL MOVE INTO THE PANHANDLE SUNDAY NIGHT. A
GALE FORCE FRONT WILL MOVE ACROSS THE GULF AND PANHANDLE ON
MONDAY.  

$$

PKZ310-161815-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
314 PM AKST SUN JAN 15 2017

...GALE WARNING TONIGHT AND MONDAY...

.TONIGHT...S WIND 45 KT BECOMING SW 30 KT LATE. SEAS 20 FT.
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. RAIN.
.MON...W WIND 40 KT. SEAS 22 FT. 
.MON NIGHT...W WIND 25 KT DIMINISHING TO 15 KT LATE. SEAS 19 FT.
SW SWELL. 
.TUE...N WIND 20 KT. SEAS 14 FT SUBSIDING TO 11 FT IN THE
AFTERNOON. SW SWELL IN THE MORNING. 
.TUE NIGHT...NW WIND 20 KT. SEAS 9 FT. S SWELL. 
.WED...W WIND 30 KT. SEAS 11 FT. 
.THU...W WIND 30 KT. SEAS 14 FT. 
.FRI...S WIND 15 KT. SEAS 11 FT. 

$$
286 
FZAK67 PAJK 161241
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
341 AM AKST MON JAN 16 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-170100-
341 AM AKST MON JAN 16 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A GALE FORCE FRONT WILL MOVE ACROSS THE GULF AND PANHANDLE ON
MONDAY AND ALLOW COLDER AIR TO MOVE INTO THE FORECAST AREA FROM
THE WEST.   

$$

PKZ310-170100-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
341 AM AKST MON JAN 16 2017

...GALE WARNING TODAY...

.TODAY...SW WIND 35 KT BECOMING W 40 KT IN THE AFTERNOON. SEAS 
22 FT.
.TONIGHT...W WIND 30 KT BECOMING SW 15 KT LATE. SEAS 19 FT. SW
SWELL IN THE EVENING.
.TUE...N WIND 15 KT. SEAS 14 FT SUBSIDING TO 11 FT IN THE
AFTERNOON. SW SWELL. 
.TUE NIGHT...N WIND 20 KT. SEAS 9 FT. S SWELL. 
.WED...W WIND 30 KT. SEAS 10 FT. 
.THU...W WIND 30 KT. SEAS 14 FT. 
.FRI...S WIND 15 KT. SEAS 9 FT. 

$$
537 
FZAK67 PAJK 162359
OFFAJK

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
259 PM AKST MON JAN 16 2017

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W

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.

PKZ398-171800-
259 PM AKST MON JAN 16 2017
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
STRONG LOW PRESSURE OVER THE CANADIAN YUKON WILL CONTINUE NE
AWAY FROM THE PANHANDLE MON NIGHT. LOW PRESSURE DEVELOPS OVER
THE SE GULF TUE AND STRENGTHENS INTO A GALE FORCE LOW OFFSHORE
OF BARANOF ISLAND WED. 

$$

PKZ310-171800-
GULF OF ALASKA NORTH OF 55 DEGREES NORTH AND EAST OF 144 DEGREES
WEST-
259 PM AKST MON JAN 16 2017

.TONIGHT...W WIND 30 KT BECOMING SW 15 KT LATE. SEAS 19 FT. 
.TUE...WINDS LIGHT INCREASING TO N 15 KT IN THE AFTERNOON.
SEAS 14 FT SUBSIDING TO 11 FT IN THE AFTERNOON. SW SWELL. 
.TUE NIGHT...N WIND 20 KT INCREASING TO 30 KT LATE. SEAS 9 FT. 
.WED...NW WIND 30 KT. SEAS 10 FT. 
.WED NIGHT...NW WIND 25 KT. SEAS 11 FT. S SWELL. 
.THU...NW WIND 30 KT. SEAS 15 FT. 
.FRI...N WIND 20 KT. SEAS 10 FT. 
.SAT...N WIND 15 KT. SEAS 8 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 Juneau, AK wrote its last area forecast discussion before this gale warning went out at Jan 11, 4:15 PM AKST, 10 hours 58 minutes earlier.

Area forecast discussion, Jan 11, 4:15 PM AKST, 10 hours 58 minutes before
Southeast Alaska Forecast Discussion
National Weather Service Juneau AK
415 PM AKST Wed Jan 11 2017

.SHORT TERM...Challenging forecast for the next 24+ hours. A low
deck of clouds moved into the central panhandle today and has
caused some flurries on and off most of the day in Pelican and
inland to Angoon. Sitka has warmed enough this afternoon for the
p-type to change to drizzle, but some inland areas on Baranof are
likely seeing snow still. Expect the clouds to continue to spread
across the remainder of the panhandle this evening with the light
snow developing overnight. Currently the low deck of clouds is
warm enough that whatever ice crystals are present will not be
able to grow into large flakes, or may even stay as drizzle (will
have to continue watching for risk of freezing drizzle). Think
that the snow that falls tonight will be very small in size or
needles and thus not accumulate much. Have a maximum accumulation
tonight of up to 2 inches tonight. However, models indicate that
after the precipitation starts this evening, temperatures at
850mb will cool several degrees. As this happens the snow flake
type will likely change to slightly larger flakes and allow for
more accumulation to occur, so have gone with up to 3 inches of
accumulation during the day tomorrow.

The pressure pattern across the region remains light this
afternoon, but low pressure developing over the northern gulf
looks to change that tonight. Expect most places to see a wind
shift to the south tonight. The far northern panhandle including
Haines/Skagway looks to stay more northerly, but light/variable
at times, then shift to the south by Thursday afternoon.

Temperatures were colder today due to the cloud cover and little
mixing. Think that there will be some cooling as the precip starts
this evening since the dewpoints area so low, but then stay fairly
steady overnight. Tomorrow the wind shift to the south will warm
things up closer to the freezing point, but think that the high
will be later than normal.

Used mainly the NAM12 for adjustments to this forecast package.
Forecast confidence in snow amounts is lower than normal.

.LONG TERM...Transitions to active weather pattern progressing
with mid to upper level flow pattern becoming consolidated across
the gulf and into the Southeast Alaska. Expecting first of the
waves out of central Pacific, to be gale force for the marine
areas ushering a pool of warmer air to the panhandle through
Friday. Precipitation likely to begin as overrunning snow then the
panhandle should be moving to more of rain.

The Haines and Hyder areas look like that there were is a
favorable period for snow accumulation, Friday to Saturday, so
have started with a Watch for Heavy Snow. Further model solutions
may be modifying the snow forecasts.

The next system will impact the eastern gulf and Southeast Sunday
to Monday. The extended forecasts from the various model solution
had a similar track it had a larger than normal strength
differences between them, although Southeast Alaska to stay wetter
with onshore flow pattern.

&&

.AJK Watches/Warnings/Advisories...
PUBLIC...Winter Storm Watch from Friday afternoon through Saturday
     morning for AKZ019-029.
MARINE...None.
&&

Ferrin/Bezenek

Visit us at http://www.weather.gov/Juneau

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 3:44 PM AKSTWinter Storm WatchAJK24 hr
Jan 12, 3:18 AM AKSTSmall Craft AdvisoryAJK12 hr
Jan 12, 3:23 AM AKSTSmall Craft AdvisoryAJK24 hr
Jan 12, 7:45 AM AKSTWinter Weather AdvisoryAJK4 hr

Nearby

Gale Warnings in Alaska, 2017Every gale warning in 2017

Sources

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