Thursday, August22, 2019 L-36.com


Marine Weather and Tides
Excursion Inlet, AK

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7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
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Sunrise 5:33AMSunset 8:27PM Thursday August 22, 2019 9:53 AM AKDT (17:53 UTC) Moonrise 10:48PMMoonset 1:50PM Illumination 54% Phase: Third Quarter Moon; Moon at 22 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PKZ013 Southern Lynn Canal- 359 Am Akdt Thu Aug 22 2019
Today..SE wind 15 kt. Seas 4 ft. Rain.
Tonight..NE wind 20 kt. Seas 4 ft. Rain.
Fri..NE wind 15 kt. Seas 3 ft. Rain.
Fri night..SE wind 15 kt. Seas 3 ft. Rain.
Sat..S wind 20 kt. Seas 4 ft.
Sun..S wind 15 kt. Seas 3 ft.
Mon..S wind 15 kt. Seas building to 3 ft.


7 Day Forecast for Marine Location Near Excursion Inlet, AK
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location: 58.42, -134.88     debug


Area Discussion for -
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Fxak67 pajk 221401
afdajk
southeast alaska forecast discussion
national weather service juneau ak
601 am akdt Thu aug 22 2019

Synopsis A gale force front will lift northeast across the
eastern gulf today and into the southern and central panhandle
tonight as it weakens. Its parent low will move into the central
gulf this afternoon and stall tonight. Friday the weakening low
moves slowly east toward the panhandle.

Short term A strong, and complex low is poised to enter the
central gulf today and push a strong front northeastward across
the eastern gulf today and the southern and central panhandle
tonight. Rain, some of it heavy over the south, and gusty
conditions are expected to develop this afternoon and press into
the night for a few locations. QPF was increased over the south
tonight, but we started the morning off a little drier than we
originally thought. We do expect an accelerated rate of
atmospheric moistening through today.

Strong gusty winds of 40 to 45 mph near the coast and the far
south begin late this afternoon in sitka and continue through 4 am
Friday morning for ketchikan. While most of the north will be
spared from winds, there is potential for breezy conditions for
downtown juneau tonight, and possibly as early as late this
afternoon. Confidence is not very high with development in juneau.

The low begins to weaken tonight, and Friday it will start
eastward once again after lying virtually stationary in the
central gulf this afternoon evening. Models then diverge on how
to push the system into the panhandle, so Friday night's wind
forecast was not changed. While confidence is lower Friday, we
expect winds to be lighter than Thursday night for certain. Friday
also figures to be another wet day, but looking toward Friday
night as the low presumably exits into canada, rain begins to thin
out from the coast inland. We did look at potential for
thunderstorms as the low pulls in and phases with energy dropping
down from the bering, but model stability seems too high at this
point.

We used an ensemble of solutions to position the low and its
associated front farther north today into Friday morning.

Confidence is fairly high with this system with falling confidence
into Friday.

Long term Saturday through Thursday night as of 10 pm
Wednesday fast zonal pacific jet south of the panhandle will
continue to keep SE alaska in a moist onshore flow environment
through the weekend. Weak low level trough will finally push east
of the panhandle on Saturday, leading to a showery and breezy
post- frontal pattern for the last half of the weekend.

Operational models and their ensembles all show some amplification
of the pacific jet early next week with the potential for some
subtropical moisture to be drawn up into the northern gulf. Raised
pop early next week to account for these trends. For the mid week
period, both the north american and european ensembles show more
significant npac ridging developing. This would push the storm
track further to the north and west and also allow for much warmer
temperatures to push back northward especially into the southern
panhandle. Allowed precipitation chances to diminish a bit over
the southern panhandle and temperatures to warm some by this time
frame to account for this trend.

Aviation With the exception of some foggy conditions in
petersburg and low clouds in ketchikan, wrangell, and klawock,
stations are all vmc this morning. However, just as local low
clouds and fog are disbanding, a weather front will begin to
strengthen winds and a deepening moisture profile should lower
ceilings and visibility from this afternoon through tonight. Some
wind sheer was included in coastal locations.

Marine Gales spread eastward and northward through this
evening from the central gulf. Winds will also reach gale warning
for ketchikan late this evening. A variety of small craft
advisories are in effect for the central and southern inner
channels as well from late this afternoon through tonight.

Hydrology The largest integrated vapor transport (ivt) values
with this system arrive over the southern panhandle late this
afternoon and this evening. Owing to that fact, the heaviest
rainfall is forecast for the south, especially during this
period. All told 24-hour rainfall amounts from this morning
should measure less than a half inch for the north, 0.5 to 1.0
inch for the central, and 1 to 2 inches for the south. We do not
anticipate any flooding concerns, but because we are so soon
following Tuesday's system, there will likely be rises, some
sharp, on area stream, rivers, and lakes, especially over the
south. Friday and Friday night, rainfall amounts will be less than
an inch region wide.

Climate We said goodbye to the remnants of the cool, dry air
mass yesterday, as it lingered over the northern panhandle
undeterred by the low that grazed the southern panhandle
yesterday. But yakutat squeezed yet another match of a record low
temperature with 34 degrees. The last time it was that chilly on
august 22 was in 1986.

Ajk watches warnings advisories
Public... Strong wind from this evening through late tonight for akz021-
027.

Strong wind from this evening through late tonight for akz022.

Strong wind from 4 pm akdt this afternoon through late tonight
for akz023.

Strong wind from this evening through late tonight for akz028.

Marine... Gale warning for pkz036-041>043-051-052.

Small craft advisory for pkz021-022-031>035-053.

Jwa del
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRTA2 - Point Retreat, AK 4 mi44 min S 4.1 G 11 55°F 1011.3 hPa48°F
PTLA2 8 mi22 min NNW 2.9 G 6 56°F 1011.4 hPa49°F
NKXA2 12 mi22 min NNW 1.9 G 6 54°F 1011 hPa49°F
LIXA2 12 mi22 min S 9.9 G 14 54°F 1010.5 hPa49°F
MVXA2 15 mi22 min ESE 12 G 21 55°F 1012.9 hPa42°F
SCXA2 19 mi31 min ESE 21 G 26 54°F 1009.8 hPa54°F
RIXA2 19 mi31 min E 11 G 16 53°F 1010.2 hPa49°F
MXXA2 25 mi22 min ESE 12 G 17 53°F 1013.2 hPa44°F
SISA2 - Sisters Island, AK 26 mi32 min E 12 G 18 54°F
JNEA2 - 9452210 - Juneau, AK 26 mi54 min ESE 8.9 G 13 55°F 51°F1013.8 hPa (-0.4)
AJXA2 27 mi22 min SE 16 G 22 53°F 1012.9 hPa42°F
JLXA2 27 mi31 min SE 8.9 G 18 54°F 1012.4 hPa42°F
JMLA2 28 mi22 min ESE 14 G 21 54°F 1013.1 hPa46°F
SDIA2 - South Douglas, AK 28 mi26 min S 4.1 G 7 55°F 1012.9 hPa50°F
MRNA2 36 mi22 min E 1.9 G 4.1 53°F 1013.6 hPa45°F
PAXA2 41 mi31 min SE 6 G 13 54°F 1011 hPa47°F
EROA2 - Eldred Rock, AK 42 mi30 min SSW 19 G 22 52°F 1010 hPa48°F
PBPA2 - Point Bishop, AK 42 mi44 min Calm G 4.1 53°F 1012.8 hPa48°F
ERXA2 42 mi22 min SSW 22 G 25 53°F 1009 hPa48°F
GUXA2 45 mi22 min ESE 5.1 G 13 54°F 1010 hPa48°F
TKEA2 - Tenakee Springs, AK 48 mi22 min ENE 11 G 16 51°F 1011.1 hPa45°F

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Juneau, Juneau International Airport, AK16 mi61 minESE 1510.00 miOvercast55°F46°F72%1012.9 hPa

Link to 5 minute data for PAJN

Wind History from AJN (wind in knots)
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Last 24hrE3Calm--W5E9E11SE13
G18
SE16E12----E12----------E7E9E7E9----E15
1 day agoE4E12E13
G19
----E11E12E10E11----------------CalmSE4----E3E5E5
2 days ago--SE12--E11E10E6NE5SE6E6--------------SW5CalmE3W4SW3CalmCalmW4

Tide / Current Tables for Barlow Cove, Mansfield Peninsula, Lynn Canal, Alaska
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Barlow Cove
Click for Map
Thu -- 05:36 AM AKDT     Sunrise
Thu -- 05:36 AM AKDT     11.53 feet High Tide
Thu -- 11:41 AM AKDT     3.26 feet Low Tide
Thu -- 01:49 PM AKDT     Moonset
Thu -- 05:55 PM AKDT     13.22 feet High Tide
Thu -- 08:26 PM AKDT     Sunset
Thu -- 10:47 PM AKDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.43.45.57.91011.311.410.58.86.74.83.53.34.36.48.811.112.713.212.6118.76.34.2

Tide / Current Tables for Lincoln Island, Lynn Canal, Alaska
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Lincoln Island
Click for Map
Thu -- 05:36 AM AKDT     Sunrise
Thu -- 05:46 AM AKDT     12.37 feet High Tide
Thu -- 11:48 AM AKDT     3.56 feet Low Tide
Thu -- 01:50 PM AKDT     Moonset
Thu -- 06:05 PM AKDT     14.03 feet High Tide
Thu -- 08:27 PM AKDT     Sunset
Thu -- 10:47 PM AKDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.73.65.68.210.51212.311.59.87.65.43.93.64.56.5911.513.31413.5129.77.14.8

Weather Map and Satellite Images
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wmap_P
GOES Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (13,3,4,5)
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Ground Weather Radar Station Biorka Is., AK
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.