Tuesday, October23, 2018 L-36.com


Marine Weather and Tides
Quinhagak, AK

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 9:04AMSunset 6:23PM Tuesday October 23, 2018 8:50 AM AKDT (16:50 UTC) Moonrise 5:44PMMoonset 6:09AM Illumination 99% Phase: Full Moon; Moon at 14 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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7 Day Forecast for Marine Location Near Quinhagak, AK
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location: 59.75, -162.25     debug


Area Discussion for -
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Fxak69 pafg 231217
afdafg
northern alaska forecast discussion
national weather service fairbanks ak
417 am akdt Tue oct 23 2018

Discussion
Synopsis... A stacked low will move from the gulf of alaska to
norton sound today and tonight. Precipitation will move into the
southeast interior this morning and spread northwest through the
day. Precipitation will reach the middle tanana valley around noon
today, spreading west and north tonight. The pressure gradient
will tighten across the alaska range today with leeside trough
developing north of the range producing with chinook winds
developing this afternoon and continuing tonight. Winds increasing
over the summits in the interior and the brooks range as well.

Strong east winds developing on the arctic coast tonight as the
front moves to the area with blowing and drifting snow.

Models... Big picture the solutions are not doing too bad, but
when you get down in the weeds, they are not doing so well.

Solutions have jumped around quite a bit with the precipitation
solutions, and there continues to be a fairly wide range of
solutions in the 23 00z runs. Going to lean toward the 23 00z nam
solution for precipitation as it seems to be working out better at
this time.

Aloft... At 500 hpa... Ridging lying east to west between the
ranges will be pushed north over the arctic coast this afternoon,
and over the offshore waters tonight. The ridge is pushed north by
a 518 dam low over the gulf of alaska that will push northwest to
be over norton sound by Wednesday morning at 518 dam. A 518 dam
low over cold bay will slowly drift southeast to 100 nm south of
sand point by Wednesday morning, while a 516 dam low over siberia
this afternoon will move over the central bering sea by Wednesday
morning. Long wave trough will extend from the siberian arctic
over the northwest arctic coast, west coast, alaska peninsula, and
western gulf of alaska with several lows rotating around in the
trough as it slowly expands east over the state through the week.

At 850 hpa... 0c isotherm lies from old crow yt to ambler, to
marshall this morning and will push north and west as the dome of
warmer air moderates with the 0c isotherm redeveloping from
demarcation point to beaver to nikolai by Thursday morning. It
will move west through the afternoon Thursday, then be pushed back
east and south Saturday.

Surface... 958 mb low in the gulf of alaska is moving onshore this
morning, and the associated warm front is moving over the
southeast mainland and into the copper river delta and north up
the alcan border this morning. The low will move over mcgrath this
afternoon with the front extending east along the western alaska
range to eagle. By Wednesday morning the low will be in norton
sound at 978 mb with the front extending to huslia to fort yukon
and east. Leeside troughing develops north of the brooks range
tonight with 987 mb low near kaktovik. Tight pressure gradient
develops this afternoon and evening across the alaska range, and
the summits in the interior with some strong gusty winds
developing. Winds on the arctic coast will increase as the trough
develops tonight. The pressure gradient also tightens up over the
chukchi sea, bering strait, and eastern bering sea with strong
winds developing that will persist into Friday before diminishing.

Arctic coast and brooks range... Not looking for much change in
the arctic with the exception of increasing winds this evening.

Sport npp viirs 24 hour microphysics rgb product shows a broad
area of low clouds across the area, and the GOES MVFR ifr products
at 23 1030z indicate broad areas of MVFR and ifr conditions over
most of the arctic, arctic plains, brooks range, and chukchi sea.

Expect some flurries across the area as well, but no accumulation
expected until Wednesday morning. Northeast to east winds over
most of the area today and tonight in advance of the weather front
moving into the area. Winds generally 10 mph or less today will
increase to 20 to 40 mph along the coast, and 5 to 15 mph in the
inland plains. Expect some gusty winds to 35 mph near the brooks
range passes as the front moves through the area Wednesday
morning. Winds will diminish Wednesday afternoon as the front
lifts offshore. Temperatures will be fairly steady with highs in
the lower 30s and lows in the mid to upper 20s.

West coast and western interior... Decaying front over the west
coast will continue to fall apart and be pushed north and west as
low pressure system moves to norton sound tonight. Expect some
breaks in the clouds today between systems. Winds generally north
to northeast at 5 to 15 mph today with winds in the lower yukon
delta swinging around to southwest tonight as the low moves to
norton sound. Precipitation will be a mixed bag depending on
where, and when it starts, but most likely will start out rain and
mix with snow before for a while before changing back to rain
from buckland south. North of buckland expect mainly snow, but it
may mix with rain during the afternoon hours. Winds in the middle
yukon valley and upper noatak and kobuk valleys will be east at 5
to 15 mph increasing to 10 to 25 mph as the front moves through
the area tonight and Wednesday. Temperatures steady with highs
around 40 and lows in the 30s to upper 20s for most areas.

Central and eastern interior... Increasing clouds starting in the
southeast interior this morning with snow in the upper tanana
valley turning to rain this morning. A mix of precipitation will
spread to the middle tanana valley later this morning as
temperatures rise into the 30s turning to all rain for the
afternoon hours. Some freezing rain will be possible in areas
where the roadways do not warm significantly, those would be
highly shaded roads, and roads in east to west valley locations.

North of the middle tanana there will be a mix of precipitation to
the yukon river, then snow to the north. Snow levels will vary in
the interior, but generally above 1500 feet there will be some
snow accumulation with around 2 inches in the white and ray
mountains. Along the steese highway in the valleys and around
central and circle hot springs expect a mix of precipitation
starting as snow and turning to snow with some freezing rain in
the evening. Heaviest snowfall will be east of the dalton highway
along the south slopes of the brooks range. Along the dalton
highway expect 2 to 4 inches of new snow from livengood to atigun
pass. Temperatures will be on a roller coaster as they warm into
the 40s today in the tanana valley, and 30s in the upper yukon.

Extended forecast for days 4 to 7... Models solutions are a mixed
bag, but it looks like winter is finally on its way and some
solutions indicate we could see 2 to 4 inches of snow Sunday.

Solutions also have temperatures falling with highs below freezing
starting Monday with lows in the teens next week.

Coastal hazard potential days 3 and 4... Persistent north winds
will develop over the chukchi sea and through the bering strait
tonight into Friday morning with elevated surf at shishmaref, in
the bering strait, and from savoonga east on st lawrence island.

Afg watches warnings advisories
Winter weather advisory for akz220-akz221-akz222-akz225-akz226.

Small craft advisory for pkz210-pkz220-pkz225-pkz230-pkz240-
pkz245.

Heavy freezing spray warning for pkz235-pkz240-pkz245.

Sdb oct 18


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bethel, Bethel Airport, AK75 mi58 minN 70.50 miLight Snow Freezing Fog31°F30°F100%989.1 hPa

Wind History from ABE (wind in knots)
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Last 24hrE6E5E6E5E7E6E9E10E7NE10NE4NE5NE4NE5NE5NE4NE4N4N5N5N6N6N7N7
1 day agoN17N15N16N17
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2 days agoNE6NE6N4NE5NE6NE7NE10NE11NE12N8N9N9NE12N14N13N12N14N13N16N16
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G28
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Tide / Current Tables for Eek Channel, off Quinhagak, Alaska
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Eek Channel
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Tue -- 04:48 AM AKDT     0.60 feet Low Tide
Tue -- 08:09 AM AKDT     Moonset
Tue -- 09:48 AM AKDT     Sunrise
Tue -- 10:56 AM AKDT     9.34 feet High Tide
Tue -- 05:11 PM AKDT     1.02 feet Low Tide
Tue -- 07:17 PM AKDT     Sunset
Tue -- 07:43 PM AKDT     Moonrise
Tue -- 10:52 PM AKDT     9.20 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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86.34.42.410.61.53.45.67.58.99.38.87.45.53.61.911.53.25.37.48.89.2

Tide / Current Tables for Warehouse Creek entrance, Alaska
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Warehouse Creek entrance
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Tue -- 05:33 AM AKDT     0.60 feet Low Tide
Tue -- 08:09 AM AKDT     Moonset
Tue -- 09:48 AM AKDT     Sunrise
Tue -- 11:22 AM AKDT     9.67 feet High Tide
Tue -- 05:56 PM AKDT     1.02 feet Low Tide
Tue -- 07:15 PM AKDT     Sunset
Tue -- 07:42 PM AKDT     Moonrise
Tue -- 11:18 PM AKDT     9.52 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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97.65.73.720.80.82.14.46.78.69.69.58.46.84.931.611.94.16.58.49.5

Weather Map and Satellite Images
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GOES Local Image of Alaska    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
Ground Weather Radar Station Bethel, 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.