Saturday, July20, 2019 L-36.com


Marine Weather and Tides
Angoon, AK

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 4:22AMSunset 9:45PM Saturday July 20, 2019 1:55 PM AKDT (21:55 UTC) Moonrise 11:21PMMoonset 8:37AM Illumination 85% Phase: Waning Gibbous; Moon at 18 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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PKZ034 Frederick Sound- 355 Am Akdt Sat Jul 20 2019
Today..SE wind 10 kt. Seas 2 ft or less. Areas of fog early in the morning. Periods of rain.
Tonight..SW wind 10 kt in the evening becoming light. Seas 2 ft or less. Areas of fog late.
Sun..Light winds becoming nw 10 kt in the afternoon. Seas 2 ft or less. Areas of fog in the morning.
Sun night..W wind 10 kt. Seas 2 ft or less.
Mon..W wind 10 kt. Seas 2 ft or less.
Tue..S wind 10 kt. Seas 2 ft or less.
Wed..SW wind 10 kt. Seas 2 ft or less.


7 Day Forecast for Marine Location Near Angoon, AK
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location: 57.31, -134.13     debug


Area Discussion for -
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Fxak67 pajk 201441
afdajk
southeast alaska forecast discussion
national weather service juneau ak
641 am akdt Sat jul 20 2019

Short term through Sunday night ... A weak ridge is situated
over southeast alaska and a broad area of low pressure with
multiple low level circulations spans the gulf of alaska. Aloft, a
large upper level low is located over the gulf. The polar jet
remains well north while the sub-tropical jet is well to the
south. A minor enhancement of easterly upper level winds exists
around the northern periphery of the upper low and easterly wave
clouds are evident in satellite imagery. As with yesterday,
convective conditions exist aloft, while solidly stratiform
conditions exist near the surface with trapped low level moisture.

Low ceilings and light winds are expected once again today.

Exception may be lynn canal, where a southerly wind between 10 and
20 kts continues. Periods of light rain and or drizzle will occur
over most of the panhandle today, with drier, but continued
cloudy conditions overnight. Sunday should be a little better with
light precipitation mainly over the southern zones and along the
coast mountains up to about tracy arm.

Biggest change to the short term forecast was to go with a 'high
pop, low qpf' depiction in grids to reflect another day with
periods of light rain and drizzle. Changes to high temps were
made using bias corrected national blend and gfs. No significant
changes to overnight lows. Overall forecast confidence is average.

Long term... Monday to Saturday as of 9 pm Friday aloft the
general pattern is fairly similar but not progressive and not
supporting of strong features to spread across the area. An upper
level low west-southwest of haida gwaii roughly near 50n 140w will
weaken and drift closer to haida gwaii through the week. Models
diverge late week on the track of the low and how fast it will
move out.

Surface pressure pattern over the gulf and northwest canada shows
very little in way of any pressure gradient, with weaker pressure
inland, which has been supported by the thermal heating leading
to lower pressures. By the end of the week, models try to show
the upper low in the gulf pushing off into canada as weak ridging
builds over the northeast gulf and panhandle. Confidence remains
low through the end of next week as there is large model spread
in timing and placement of synoptic features.

Kept pops in the 20 to 40 percent range through the week using a
blend of the GFS sref for pops on Monday. No significant weather
systems are anticipated through next week. Easterly waves moving
in from the east around the upper low in the gulf can increase
pops for certain areas next week, however at this time there is
low confidence in timing and placement of these waves. Daytime
highs are still expected to slowly climb for much of the panhandle
into the 70s for Monday and Tuesday. Slightly above average
temperatures expected for the rest of the week. Lows will not get
that cool with lows from the upper 40s to lower 50s.

Aviation Light rain or drizzle is adding to the trapped
moisture for most of the panhandle. Driest areas are N lynn canal
and southern terminals - pakw and pakt, although there are some
low clouds there, too. A few areas of lifr so far. Not looking
for a lot of improvement later today.

Marine Earlier, N lynn canal kept going at 20 kt, but is now
laying down. Considering that it may ramp up again this afternoon.

If you are working on the outside the new model runs are predicting
the surface ridge building over the gulf again by Sunday and
Sunday night. Look for westerlies with not to much wind but 4 to 5
ft seas with a short period.

Ajk watches warnings advisories
Public... None.

Marine... None.

Fritsch jcc bezenek
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FFIA2 - Five Finger, AK 27 mi55 min Calm G 1.9 54°F 1021.4 hPa (+0.3)
PGXA2 33 mi32 min SE 6 G 9.9 57°F 55°F
TKEA2 - Tenakee Springs, AK 66 mi23 min ENE 6 G 8.9 60°F 1019.3 hPa52°F
SDIA2 - South Douglas, AK 68 mi27 min SSE 7 G 7 56°F 1020.3 hPa56°F

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kake - Kake Airport, AK25 mi59 minSSE 410.00 miLight Rain59°F54°F83%1023.5 hPa

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Last 24hrW3----CalmCalm--E3E3------E5E4E5E4E3--------------S4
1 day ago--SE5--E4SE4--W3Calm------Calm--------E4E4----S4------
2 days agoW5W3W3Calm--------SE3------E6E5E6--E4--E5--SE6--S4S3

Tide / Current Tables for Cannery Cove, Pybus Bay, Alaska
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Cannery Cove
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Sat -- 03:31 AM AKDT     14.38 feet High Tide
Sat -- 04:30 AM AKDT     Sunrise
Sat -- 08:37 AM AKDT     Moonset
Sat -- 09:58 AM AKDT     -0.91 feet Low Tide
Sat -- 04:27 PM AKDT     13.44 feet High Tide
Sat -- 09:33 PM AKDT     Sunset
Sat -- 10:12 PM AKDT     2.94 feet Low Tide
Sat -- 11:20 PM AKDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.110.112.714.214.212.79.86.12.5-0-0.90.12.65.99.211.813.313.211.89.36.44.133.5

Tide / Current Tables for Eliza Harbor, Admiralty Island, Alaska
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Eliza Harbor
Click for Map
Sat -- 03:33 AM AKDT     13.91 feet High Tide
Sat -- 04:32 AM AKDT     Sunrise
Sat -- 08:38 AM AKDT     Moonset
Sat -- 10:00 AM AKDT     -0.90 feet Low Tide
Sat -- 04:29 PM AKDT     12.99 feet High Tide
Sat -- 09:33 PM AKDT     Sunset
Sat -- 10:14 PM AKDT     2.88 feet Low Tide
Sat -- 11:20 PM AKDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.89.712.213.713.812.39.562.50-0.9-02.45.68.811.412.812.811.49.16.342.93.3

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 (17,4,5,8)
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Ground Weather Radar Station Biorka Is., AK
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Disclaimer:
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.