Alert archive / Alaska / Storm Warnings in 2016

Storm Warning 184, NWS Anchorage, AK

December 14, 2016

NWS Anchorage, AK issued this storm warning at Dec 14, 2016, 3:26 AM AKST. It was in force for 48 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 14, 2016, 3:26 AM AKST (12:26 UTC)
Expired
Dec 16, 2016, 3:40 AM AKST
In force
48 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

890 
FZAK62 PAFC 141226
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
326 AM AKST WED DEC 14 2016

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-150245-
326 AM AKST WED DEC 14 2016
.SYNOPSIS FOR CENTRAL BERING SEA...
A 964 MB LOW AT 57N 174E DISSIPATES NEAR THE EASTERN SIBERIAN
COAST TONIGHT. A NORTH PACIFIC LOW MOVES TO 51N 171E AT 948 MB
TONIGHT...THEN MOVES TO 57N 180 AT 954 MB THU NIGHT. 

$$

PKZ411-150245-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
326 AM AKST WED DEC 14 2016

...GALE WARNING THROUGH THURSDAY...

.TODAY...SW WIND 30 TO 40 KT. SEAS 16 TO 23 FT.
.TONIGHT...S WIND 20 TO 35 KT BECOMING SE 30 TO 45 KT AFTER
MIDNIGHT. SEAS 12 TO 20 FT. RAIN AND SNOW.
.THU...SE WIND 30 TO 45 KT. SEAS 15 TO 23 FT. RAIN SHOWERS.
.THU NIGHT...W WIND 35 TO 50 KT. SEAS 17 TO 31 FT.
.FRI...SW WIND 30 TO 45 KT. SEAS 17 TO 31 FT.
.SAT THROUGH SUN...W WIND 15 TO 30 KT. SEAS 9 TO 17 FT.

$$

PKZ412-150245-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
326 AM AKST WED DEC 14 2016

...STORM WARNING THURSDAY...

.TODAY...S WIND 25 TO 40 KT. SEAS 15 TO 21 FT.
.TONIGHT...S WIND 30 TO 40 KT. SEAS 17 TO 20 FT.
.THU...SE WIND 35 TO 50 KT. SEAS 19 TO 24 FT. RAIN.
.THU NIGHT...S WIND 30 TO 45 KT. SEAS 20 TO 27 FT.
.FRI...SW WIND 30 TO 45 KT. SEAS 20 TO 32 FT.
.SAT...SW WIND 15 TO 30 KT. SEAS 11 TO 19 FT.
.SUN...NW WIND UP TO 20 KT. SEAS 8 TO 11 FT.

$$

PKZ413-150245-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
326 AM AKST WED DEC 14 2016

...STORM WARNING TONIGHT AND THURSDAY...

.TODAY...S WIND 25 TO 40 KT. SEAS 15 TO 22 FT.
.TONIGHT...S WIND 30 KT INCREASING TO 35 TO 50 KT AFTER MIDNIGHT.
SEAS 15 TO 20 FT. RAIN AND SNOW.
.THU...S WIND 35 TO 50 KT. SEAS 20 TO 26 FT. RAIN.
.THU NIGHT...SW WIND 35 TO 50 KT. SEAS 21 TO 34 FT.
.FRI...SW WIND 30 TO 45 KT. SEAS 17 TO 32 FT.
.SAT...SW WIND 10 TO 25 KT. SEAS 9 TO 17 FT.
.SUN...W WIND 15 TO 25 KT. SEAS 10 TO 14 FT.

$$

PKZ414-150245-
BERING SEA OFFSHORE EAST OF 171W-
326 AM AKST WED DEC 14 2016

...STORM WARNING THURSDAY...

.TODAY...S WIND 15 TO 30 KT. SEAS 8 TO 13 FT.
.TONIGHT...S WIND 15 TO 30 KT. SEAS 9 TO 15 FT.
.THU...S WIND 35 TO 50 KT. SEAS 13 TO 21 FT. RAIN.
.THU NIGHT...S WIND 30 TO 45 KT. SEAS 15 TO 22 FT.
.FRI...SW WIND 20 TO 35 KT. SEAS 15 TO 27 FT.
.SAT...S WIND 10 TO 25 KT. SEAS 10 TO 18 FT.
.SUN...N WIND 10 TO 25 KT. SEAS 9 TO 17 FT.

$$
4 follow-up statements
479 
FZAK62 PAFC 150030
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
330 PM AKST WED DEC 14 2016

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-151445-
330 PM AKST WED DEC 14 2016
.SYNOPSIS FOR CENTRAL BERING SEA...
A 973 MB LOW AT 59N 174E DISSIPATES NEAR THE EASTERN RUSSIAN COAST
LATE TONIGHT. A 953 MB NORTH PACIFIC LOW MOVES TO 51N 170E AT 948
MB LATE TONIGHT...THEN MOVES TO 60N 180 AT 954 MB FRI AFTERNOON.

$$

PKZ411-151445-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
330 PM AKST WED DEC 14 2016

...STORM WARNING TONIGHT AND THURSDAY NIGHT...

.TONIGHT...S WIND 25 TO 35 KT BECOMING SE 35 TO 50 KT AFTER
MIDNIGHT. SEAS 12 TO 19 FT.
.THU...SE WIND 30 TO 45 KT. SEAS 14 TO 26 FT. RAIN.
.THU NIGHT...SW WIND 40 TO 55 KT. SEAS 19 TO 34 FT. RAIN SHOWERS.
.FRI...W WIND 40 TO 55 KT. SEAS 20 TO 35 FT.
.FRI NIGHT...SW WIND 25 TO 40 KT. SEAS 17 TO 26 FT.
.SAT THROUGH MON...W WIND 15 TO 30 KT. SEAS 9 TO 17 FT.

$$

PKZ412-151445-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
330 PM AKST WED DEC 14 2016

...STORM WARNING THURSDAY...

.TONIGHT...S WIND 30 TO 40 KT. SEAS 18 FT.
.THU...SE WIND 35 TO 50 KT. SEAS 18 TO 25 FT. RAIN.
.THU NIGHT...S WIND 30 TO 45 KT. SEAS 19 TO 28 FT. RAIN SHOWERS.
.FRI...SW WIND 35 TO 50 KT. SEAS 24 TO 34 FT.
.FRI NIGHT...SW WIND 25 TO 40 KT. SEAS 21 TO 30 FT.
.SAT...S WIND 15 TO 30 KT. SEAS 11 TO 19 FT.
.SUN...NW WIND UP TO 20 KT. SEAS 8 TO 11 FT.
.MON...W WIND 10 TO 20 KT. SEAS 9 TO 13 FT.

$$

PKZ413-151445-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
330 PM AKST WED DEC 14 2016

...STORM WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...S WIND 30 KT INCREASING TO 35 TO 50 KT AFTER MIDNIGHT.
SEAS 15 TO 19 FT.
.THU...S WIND 40 TO 55 KT. SEAS 19 TO 24 FT. RAIN.
.THU NIGHT...SW WIND 40 TO 55 KT. SEAS 21 TO 36 FT. RAIN SHOWERS.
.FRI...SW WIND 40 TO 50 KT. SEAS 28 TO 36 FT.
.FRI NIGHT...SW WIND 25 TO 40 KT. SEAS 16 TO 29 FT.
.SAT...SE WIND 10 TO 25 KT. SEAS 9 TO 17 FT.
.SUN THROUGH MON...W WIND 15 TO 25 KT. SEAS 10 TO 14 FT.

$$

PKZ414-151445-
BERING SEA OFFSHORE EAST OF 171W-
330 PM AKST WED DEC 14 2016

...STORM WARNING THURSDAY...

.TONIGHT...S WIND 15 TO 30 KT. SEAS 9 TO 14 FT.
.THU...S WIND 30 TO 40 KT INCREASING TO 40 TO 50 KT IN THE
AFTERNOON. SEAS 11 TO 19 FT.
.THU NIGHT...S WIND 30 TO 45 KT. SEAS 15 TO 20 FT. RAIN.
.FRI...SW WIND 25 TO 40 KT. SEAS 15 TO 27 FT.
.FRI NIGHT...SW WIND 20 TO 35 KT. SEAS 16 TO 26 FT.
.SAT...SE WIND 10 TO 25 KT. SEAS 10 TO 18 FT.
.SUN...N WIND 10 TO 25 KT. SEAS 9 TO 17 FT.
.MON...W WIND 15 TO 25 KT. SEAS 10 TO 15 FT.

$$
142 
FZAK62 PAFC 151239
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
339 AM AKST THU DEC 15 2016

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-160215-
339 AM AKST THU DEC 15 2016
.SYNOPSIS FOR CENTRAL BERING SEA...
A 950 MB LOW AT 52N 169E WILL MOVE TO 57N 179E AT 952 MB
TONIGHT...THEN TO 62N 178E AT 960 MB FRI NIGHT. A NORTH PACIFIC
LOW WILL MOVE TO 48N 1798W AT 972 MB FRI NIGHT. 

$$

PKZ411-160215-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
339 AM AKST THU DEC 15 2016

...STORM WARNING TONIGHT AND FRIDAY...

.TODAY...SE WIND 30 TO 45 KT. SEAS 15 TO 26 FT. RAIN.
.TONIGHT...S WIND 30 TO 45 KT BECOMING W 40 TO 55 KT AFTER
MIDNIGHT. SEAS 19 TO 34 FT. RAIN.
.FRI...W WIND 40 TO 55 KT. SEAS 21 TO 36 FT. RAIN SHOWERS.
.FRI NIGHT...SW WIND 30 TO 45 KT. SEAS 17 TO 30 FT.
.SAT...W WIND 15 TO 30 KT. SEAS 11 TO 19 FT.
.SUN...NW WIND 10 TO 25 KT. SEAS 10 TO 15 FT.
.MON...W WIND 10 TO 25 KT. SEAS 6 TO 11 FT.

$$

PKZ412-160215-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
339 AM AKST THU DEC 15 2016

...STORM WARNING TODAY AND FRIDAY...

.TODAY...SE WIND 35 TO 50 KT. SEAS 18 TO 25 FT. RAIN.
.TONIGHT...S WIND 30 TO 45 KT. SEAS 20 TO 28 FT. RAIN SHOWERS.
.FRI...SW WIND 35 TO 50 KT. SEAS 24 TO 34 FT. RAIN SHOWERS.
.FRI NIGHT...SW WIND 30 TO 45 KT. SEAS 24 TO 33 FT.
.SAT...SE WIND 30 TO 45 KT. SEAS 16 TO 24 FT.
.SUN...NE WIND 25 TO 40 KT. SEAS 13 TO 19 FT.
.MON...W WIND 10 TO 20 KT. SEAS 8 TO 13 FT.

$$

PKZ413-160215-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
339 AM AKST THU DEC 15 2016

...STORM WARNING THROUGH FRIDAY...

.TODAY...S WIND 35 TO 50 KT. SEAS 19 TO 23 FT. RAIN.
.TONIGHT...SW WIND 40 TO 55 KT. SEAS 22 TO 37 FT. RAIN SHOWERS.
.FRI...SW WIND 40 TO 50 KT. SEAS 31 TO 39 FT.
.FRI NIGHT...SW WIND 25 TO 40 KT. SEAS 17 TO 32 FT.
.SAT...E WIND 30 TO 45 KT. SEAS 14 TO 21 FT.
.SUN...NE WIND 20 TO 35 KT. SEAS 15 TO 20 FT.
.MON...W WIND 20 KT. SEAS 11 FT.

$$

PKZ414-160215-
BERING SEA OFFSHORE EAST OF 171W-
339 AM AKST THU DEC 15 2016

...STORM WARNING THROUGH TONIGHT...

.TODAY...S WIND 25 TO 40 KT BECOMING SE 35 TO 50 KT IN THE
AFTERNOON. SEAS 11 TO 19 FT. RAIN.
.TONIGHT...S WIND 35 TO 50 KT DIMINISHING TO 25 TO 40 KT AFTER
MIDNIGHT. SEAS 15 TO 21 FT. RAIN.
.FRI...SW WIND 25 TO 40 KT. SEAS 14 TO 29 FT.
.FRI NIGHT...SW WIND 20 TO 35 KT. SEAS 17 TO 28 FT.
.SAT...SE WIND 35 TO 50 KT. SEAS 12 TO 20 FT.
.SUN...NE WIND 30 TO 45 KT. SEAS 12 TO 19 FT.
.MON...W WIND 10 TO 25 KT. SEAS 9 TO 14 FT.

$$
080 
FZAK62 PAFC 160029
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
329 PM AKST THU DEC 15 2016

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-161400-
329 PM AKST THU DEC 15 2016
.SYNOPSIS FOR CENTRAL BERING SEA...

A 950 MB LOW AT 55N 175E WILL MOVE TO 60N 180 AT 954 MB
SAT AFTERNOON...THEN MOVES INLAND OVER EASTERN RUSSIAN LATE FRI
NIGHT. A 988 MB NORTH PACIFIC LOW WILL MOVE TO 50N 173E AT 967 MB
LATE FRI NIGHT...THEN MOVES TO 53N 178W AT 950 MB FRI AFTERNOON.

$$

PKZ411-161400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
329 PM AKST THU DEC 15 2016

...STORM WARNING THROUGH FRIDAY...

.TONIGHT...S WIND 30 TO 40 KT BECOMING W 40 TO 50 KT DURING THE
EVENING. SEAS 18 TO 33 FT. RAIN.
.FRI...W WIND 35 TO 50 KT. SEAS 20 TO 35 FT. RAIN SHOWERS.
.FRI NIGHT...SW WIND 30 TO 45 KT DIMINISHING TO 20 TO 35 KT AFTER
MIDNIGHT. SEAS 21 TO 30 FT SUBSIDING TO 15 TO 25 FT AFTER
MIDNIGHT.
.SAT...W WIND 10 TO 25 KT. SEAS 10 TO 18 FT.
.SAT NIGHT...N WIND 10 TO 25 KT. SEAS 10 TO 18 FT.
.SUN...N WIND 15 TO 25 KT. SEAS 11 TO 17 FT.
.MON THROUGH TUE...W WIND 10 TO 25 KT. SEAS 7 TO 12 FT.

$$

PKZ412-161400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
329 PM AKST THU DEC 15 2016

...GALE WARNING THROUGH FRIDAY NIGHT...

.TONIGHT...S WIND 30 TO 45 KT. SEAS 19 TO 28 FT. RAIN SHOWERS.
.FRI...SW WIND 30 TO 45 KT. SEAS 25 TO 32 FT. RAIN SHOWERS.
.FRI NIGHT...SW WIND 30 TO 45 KT. SEAS 25 TO 33 FT.
.SAT...SE WIND 20 TO 35 KT. SEAS 15 TO 23 FT.
.SAT NIGHT...E WIND 30 TO 45 KT. SEAS 14 TO 21 FT.
.SUN...NE WIND 25 TO 40 KT. SEAS 13 TO 21 FT.
.MON THROUGH TUE...W WIND 10 TO 20 KT. SEAS 8 TO 13 FT.

$$

PKZ413-161400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
329 PM AKST THU DEC 15 2016

...STORM WARNING THROUGH FRIDAY...

.TONIGHT...SW WIND 35 TO 50 KT. SEAS 20 TO 35 FT. RAIN SHOWERS.
.FRI...SW WIND 35 TO 50 KT. SEAS 30 TO 37 FT.
.FRI NIGHT...SW WIND 30 TO 45 KT BECOMING S 20 TO 30 KT AFTER
MIDNIGHT. SEAS 25 TO 33 FT SUBSIDING TO 17 TO 27 FT AFTER
MIDNIGHT.
.SAT...SE WIND 30 TO 45 KT. SEAS 15 TO 22 FT.
.SAT NIGHT...NE WIND 30 TO 45 KT. SEAS 17 TO 23 FT.
.SUN...N WIND 15 TO 30 KT. SEAS 15 TO 21 FT.
.MON THROUGH TUE...W WIND 20 TO 30 KT. SEAS 11 FT.

$$

PKZ414-161400-
BERING SEA OFFSHORE EAST OF 171W-
329 PM AKST THU DEC 15 2016

...STORM WARNING TONIGHT...

.TONIGHT...S WIND 35 TO 50 KT. SEAS 14 TO 20 FT. RAIN.
.FRI...SW WIND 25 TO 35 KT. SEAS 13 TO 28 FT. RAIN SHOWERS.
.FRI NIGHT...SW WIND 20 TO 35 KT. SEAS 17 TO 28 FT.
.SAT...S WIND 25 TO 40 KT. SEAS 13 TO 21 FT.
.SAT NIGHT...E WIND 30 TO 45 KT. SEAS 12 TO 20 FT.
.SUN...NE WIND 25 TO 40 KT. SEAS 13 TO 21 FT.
.MON THROUGH TUE...W WIND 10 TO 25 KT. SEAS 8 TO 13 FT.

$$
392 
FZAK62 PAFC 161240
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
340 AM AKST FRI DEC 16 2016

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-170230-
340 AM AKST FRI DEC 16 2016
.SYNOPSIS FOR CENTRAL BERING SEA...

A 953 MB LOW NEAR 58N 179E MOVES INTO EASTERN RUSSIA BY LATE
TONIGHT. ANOTHER 958 MB LOW NEAR 48N 178E MOVES TO 53N 173W AT 935
MB SAT NIGHT.

$$

PKZ411-170230-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
340 AM AKST FRI DEC 16 2016

...STORM WARNING TODAY...

.TODAY...W WIND 35 TO 50 KT. SEAS 21 TO 39 FT. RAIN SHOWERS AND
SNOW SHOWERS.
.TONIGHT...SW WIND 30 TO 45 KT. SEAS 23 TO 31 FT SUBSIDING TO 16
TO 27 FT AFTER MIDNIGHT.
.SAT...SE WIND 15 TO 30 KT BECOMING E 25 TO 40 KT IN THE
AFTERNOON. SEAS 12 TO 20 FT. RAIN SHOWERS.
.SAT NIGHT...NE WIND 20 TO 35 KT. SEAS 11 TO 19 FT.
.SUN...N WIND 15 TO 30 KT. SEAS 13 TO 21 FT.
.MON...NW WIND 10 TO 25 KT. SEAS 8 TO 13 FT.
.TUE...W WIND 15 TO 25 KT. SEAS 9 TO 12 FT.

$$

PKZ412-170230-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
340 AM AKST FRI DEC 16 2016

...GALE WARNING THROUGH SATURDAY...

.TODAY...SW WIND 30 TO 45 KT. SEAS 24 TO 33 FT. WIDESPREAD RAIN
SHOWERS.
.TONIGHT...SW WIND 30 TO 45 KT. SEAS 26 TO 34 FT. RAIN SHOWERS.
.SAT...S WIND 15 TO 30 KT BECOMING SE 25 TO 40 KT IN THE
AFTERNOON. SEAS 15 TO 25 FT.
.SAT NIGHT...E WIND 30 TO 45 KT. SEAS 14 TO 22 FT.
.SUN...NE WIND 25 TO 40 KT. SEAS 14 TO 22 FT.
.MON...N WIND 15 TO 30 KT. SEAS 8 TO 12 FT.
.TUE...W WIND 10 TO 20 KT. SEAS 9 FT.

$$

PKZ413-170230-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
340 AM AKST FRI DEC 16 2016

...STORM WARNING TODAY AND SATURDAY...

.TODAY...SW WIND 40 TO 50 KT. SEAS 31 TO 37 FT. RAIN SHOWERS AND
SNOW SHOWERS.
.TONIGHT...SW WIND 30 TO 45 KT DIMINISHING TO 20 TO 35 KT AFTER
MIDNIGHT. SEAS 20 TO 34 FT.
.SAT...E WIND 35 TO 50 KT. SEAS 16 TO 23 FT. RAIN SHOWERS.
.SAT NIGHT...NE WIND 35 TO 50 KT. SEAS 18 TO 24 FT.
.SUN...N WIND 20 TO 35 KT. SEAS 14 TO 22 FT.
.MON...NW WIND 20 TO 30 KT. SEAS 9 TO 14 FT.
.TUE...W WIND 15 TO 25 KT. SEAS 12 FT.

$$

PKZ414-170230-
BERING SEA OFFSHORE EAST OF 171W-
340 AM AKST FRI DEC 16 2016

...GALE WARNING THROUGH SATURDAY...

.TODAY...SW WIND 25 TO 40 KT. SEAS 14 TO 28 FT. RAIN SHOWERS.
.TONIGHT...SW WIND 25 TO 35 KT. SEAS 17 TO 28 FT.
.SAT...SW WIND 15 TO 25 KT BECOMING SE 30 TO 45 KT IN THE
AFTERNOON. SEAS 14 TO 22 FT. PATCHY FOG.
.SAT NIGHT...E WIND 30 TO 45 KT. SEAS 13 TO 19 FT.
.SUN...SE WIND 20 TO 35 KT. SEAS 13 TO 21 FT.
.MON...N WIND 10 TO 25 KT. SEAS 7 TO 12 FT.
.TUE...W WIND 10 TO 20 KT. SEAS 6 TO 11 FT.

$$

What forecasters said that day

The local office's own words before this storm 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 storm warning went out at Dec 13, 4:26 PM AKST, 11 hours earlier.

Area forecast discussion, Dec 13, 4:26 PM AKST, 11 hours before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
426 PM AKST Tue Dec 13 2016

.ANALYSIS AND UPPER LEVELS...
Broad upper level ridging is in place over much of southern
mainland Alaska this morning. Troughing associated with the strong
vertically stacked low over the western Bering is slowly pushing
the ridge axis over western Alaska eastward. The jet is currently
split across southern Alaska...with an 80 kt jet northwesterly jet
streak moving over Southcentral, thus dividing the ridge into a
series of highly amplified skinny ridges and shortwave troughs.

While this upper-level pattern is quite complex, its tangible
effects on the surface weather have been minimal. The 12Z
Anchorage sounding is nearly the same as the past 3 soundings,
showing a strong inversion from near the surface up past 850 mb.
This reflects the ongoing pattern of warmer air aloft due to the
aforementioned upper level ridging over very cold air near the
surface, aided by the snow pack and relatively clear nights.
On the extreme side, Gulkana had its fifth night in a row with
lows in the negative 30s.

Southwest Alaska is in the transition zone temperature-wise.
Warming temperatures over much of Southwest Alaska have returned
many areas to the 20s and 30s after having also been in the deep
freeze for the past few days. A front nearing the coast is making
for windy conditions near the coast and the Alaska Peninsula,
though with gusts over 50 mph having been reported this morning in
Cold Bay. The front is associated with a strong low moving through
the western Bering. Warm and windy conditions were persisting
this morning over all of the Bering due to the winds wrapping into
the low. Nearly all stations in the Bering are seeing temperatures
in the 40s. The contrast between warm and cold air is helping
maintain the front as it moves towards the west coast of Alaska.

&&

.MODEL DISCUSSION...
Models overall are in good agreement through midweek across
Southcentral and the Gulf. In the west, models have a similar and
reasonable handling of the current Bering Sea storm. Significant
differences in solutions arise with the next storm approaching the
Aleutians Wed night. The ECMWF solution is much slower moving the
low north as it crosses into the Bering Sea Thu. On the other hand
the NAM is much weaker than all available solutions. The GFS/GEM
appear to have the best solutions.

&&

.AVIATION...
PANC...A mid level cloud deck over the Anchorage Bowl will break
up tonight, allowing some IFR and possibly low IFR conditions to
return to the airport later tonight. Conditions will then improve
around mid-day Wednesday.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...
Ridging over the area is keeping most of the mid and upper levels
clear of cloud cover. However, stratus has formed under the
inversion as well as fog around the Cook Inlet area. This will
last through tonight before diminishing somewhat Wednesday. Then
Wednesday night patchy fog and more widespread cloud cover will
move back in over the area as a trough pushes in from the
southwest. This trough will bring back light snow to Southcentral
Alaska Thursday.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2...Tue and Wed)...
The "warm-up" is underway across much of the area with 850mb
temperatures rocketing upward under southwest flow. King Salmon
and a few other locales have already climbed up to or above
freezing. This warm air will continue to push north and slightly
east as the next front approaches early Wed. The underlying
problem with this scenario is that with this warmer air and some
precipitation associated with the front, there will be the chance
for some mixed and freezing precipitation across parts of the
area. Right now, it looks like the best bet for any freezing rain
will be in the colder, deeper valleys across the Kuskokwim Wed
mid-late morning. The warm air should mix in at the surface with
some gusty winds at places like Bethel and Dillingham, so the
threat of freezing precipitation is lower there. The pattern will
remain quite active with another, stronger front approaching the
coast by late Thu. Gusty southwest winds will keep temperatures
from cooling much in advance of this next front, so expect a
rain/snow mix along the coast with wet snow falling inland.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2...Tue and
Wed)...
Our storm force front over-performed in its trek across the
Bering. Winds and waves were a bit higher originally indicated
and it continues to be formidable as it moves through the Alaska
Peninsula. The parent low for this front is located way back at
175E. As some cold air wraps around the backside of it, yet
another pocket of storm-force winds and seas in excess of 25ft
will impact the Western Aleutians. There will not be much time to
reset from tonight's storm as the next one is right on its heels.
It will push into the Western Aleutians late Wed-early Thu. This
system will be a bit stronger than its predecessor as it holds in
a favorable spot along a 160kt jet. The primary concern will be
some potentially hurricane-force gusts wrapping around it on Thu.
Right now, it looks as if these will stay south of Atka and Adak,
but we will continue to monitor the system as it takes shape to
see if a high wind watch would be needed.

&&

.LONG TERM FORECAST (Days 3 through 7...Fri through Tue)...
A pattern change remains on track for late this week into next
week as a stacked low pressure system becomes stationary over the
western and central Bering Thursday night into Friday. This low
will help to usher a train of fast-moving systems in a strong jet
stream toward the general direction of the southern mainland and
Gulf of Alaska through the remainder of the long-term period. This
will bring a moderating trend to temperatures to all of our area
of responsibility, as well as increased precipitation chances,
especially along the coastlines. Trends suggest there may be ample
snow opportunities inland by early next week as well.

For the Bering, the main impacts will be strong winds given the
decent jet energy with the associated low pressure systems and
their associated fronts.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...None.
MARINE...Storm Warning 175 176 177 178.
 Gale Warning 155 165 170 171 172 173 174 180 181 185.

&&

SYNOPSIS AND MODEL DISCUSSION...JW/RC
SOUTHCENTRAL ALASKA...DK
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...MO
LONG TERM...CC

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 13, 3:44 PM AKSTGale WarningAFC24 hr
Dec 13, 3:56 PM AKSTGale WarningAFC24 hr
Dec 13, 3:56 PM AKSTSmall Craft AdvisoryAFC12 hr
Dec 13, 3:56 PM AKSTStorm WarningAFC5 days
Dec 14, 3:33 AM AKSTHurricane Force Wind WarningAFC36 hr
Dec 14, 3:33 AM AKSTStorm WarningAFC36 hr
Dec 14, 7:34 AM AKSTGale WarningAFC8 hr
Dec 14, 7:34 AM AKSTHeavy Freezing Spray WarningAFC20 hr

Nearby

Storm Warnings in Alaska, 2016Every storm warning in 2016

Sources

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