Monday, May20, 2019 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 4:56AMSunset 10:56PM Monday May 20, 2019 1:19 PM AKDT (21:19 UTC) Moonrise 11:54PMMoonset 5:36AM Illumination 97% Phase: Waning Gibbous; Moon at 17 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 201641
afdafg
northern alaska forecast discussion
national weather service fairbanks ak
841 am akdt Mon may 20 2019
discussion...

synopsis... High pressure remains over the arctic with the thermal
trough set up across the interior as low pressure remains over
most of mainland alaska. Will continue to see thunderstorms and
showers develop in the afternoon and evening in the central and
eastern interior. Mainly showers in the western interior and west
coast with a slight chance of thunderstorms. The arctic will
continue to be covered by low stratus clouds and foggy conditions
with some flurries, or sprinkles, and persistent northeast to east
winds.

Models... The 20 00z solutions initialized well against the 20 06z
surface analysis. There is good agreement in the solutions
through about 90 hours before they diverge which is much improved
from just a week or so ago. Expect there will still be changes as
time progresses. Solutions show CAPE values in excess of 300 j kg
today in the upper koyukuk extending southwest to the upper
kuskokwim valley, and tomorrow in the upper koyukuk extending
south to the fortymile country. Lifted indicies around -3 in the
same locations. Will lean toward the GFS and NAM for precipitation
and use a blend for the winds today.

Aloft... At 500 hpa... 560 dam high is 400 nm north of mackenzie
bay and it will drift south into the northwest territories Tuesday
morning as it merges with a 566 dam high. Ridging will remain
over the beaufort sea with some weak ridging pushing west over the
arctic coast and northern arctic. A 536 dam low moving over
prince william sound this morning will move to the middle yukon
tonight at 545 dam, then over kotzebue sound by Tuesday afternoon
at 548 dam, and point hope by Wednesday morning at 550 dam. As the
low moves to the middle yukon, a shortwave will extend to the
northeast. A trough will remain to the southwest of the state with
a 528 dam low over the pribilofs that will move over nunivak
island by Tuesday evening as a 548 dam low move over the gulf of
alaska. The low over nunivak island will move over st matthew
island by Wednesday afternoon, as the low over the gulf of alaska
moves northeast over the yukon territory and dissipates, while a
low in the northeast pacific moves over the shelikof strait. A
branch of the ridge over the northwest territories will swing
around over the central and eastern interior Tuesday night and
Wednesday. At 850 hpa... 0c isotherm is pushing west as +10
isotherm pushes over the eastern interior today and holds over the
alcan border through Thursday.

Surface... Thermal trough persists north of the alaska range with a
broad area over low pressure remaining over the state. High
pressure remains over the arctic and beaufort sea with a 1024 mb
high north of wrangel island, and a 1036 mb high over the northern
beaufort sea. Low pressure is anchored by several lows that lie in
the northern gulf of alaska, over kodiak island, and in bristol
bay with trough extending west to a 997 mb low near shemya. Weak
high pressure will build in over the copper river basin today,
then dissipate tonight. Little change expected except for
orientation of the troughing over the interior.

Arctic coast and brooks range... Not much change expected. Low
clouds will remain over the arctic coast and the northern plains
with areas of fog and flurries, or sprinkles. Northeast to east
winds will persist at 10 to 20 mph for most areas. The brooks
range will be partly to mostly cloudy with a chance of showers
east of anaktuvuk pass as convection to the south dissipates and
drifts over the are this evening. Temperatures not changing much
through Wednesday.

West coast and western interior... An upper level low will bring
increased chances of thunderstorms and showers to the areas as it
moves to the middle yukon valley tonight, and kotzebue sound by
Tuesday afternoon. Thunderstorms may contain small hail and
produce strong gusty winds as they move through. Winds will
generally be light and variable less than 10 mph otherwise. Areas
that get rainfall will have patchy fog Wednesday morning.

Central and eastern interior... Partly becoming mostly cloudy in
the afternoon with showers and thunderstorms developing mainly
north and northwest of fairbanks today. Partly cloudy tonight.

Small hail and gusty winds possible with the thunderstorms.

Temperatures will be slightly warmer the next couple days as warm
air aloft moves over the area. Winds will generally be light and
variable, but look for gusty winds to 35 mph with thunderstorms.

Fire weather... Thermal trough remains over the state extending
from the lower yukon delta to fairbanks, then southeast over
chicken. Slightly warmer and drier in the central and eastern
interior with near red flag conditions from tanana east and south
of the yukon river. Relative humidity values are trending lower
as they fall to the lower 20 percent range. Winds generally less
than 10 mph, but eagle will have winds gusting near 20 mph for a
while this morning, and locally winds may gust to around 20 mph at
times during the day near the alaska range as thermal trough
deepens during the day, and high pressure builds in the copper
river basin today before it weakens tonight.

Hydrology... Koyukuk river levels running high downstream of
bettles as breakup continues will need to check with allakaket
and hughes this morning. Porcupine river also running high, and a
flood advisory remains in effect. Yukon river also continues to
breakup with reports of fluctuating water levels yesterday near
beaver, most likely due to minor ice damming as the ice works
downstream as breakup continues.

Extended forecast for days 4 to 7... No significant changes as
ridging aloft continues to push west over the eastern half of the
state and troughing aloft continues to the west and southwest of
the state. Thermal trough will remain with generally isolated
thunderstorms and showers developing during the afternoons and
evenings. High temperatures in the 70s for much of the interior
with lows in the 40s. No significant winds.

Coastal hazard potential days 3 and 4... None.

Afg watches warnings advisories
Small craft advisory for pkz210-pkz220-pkz225.

Brisk wind advisory for pkz245.

Sdb may 19


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bethel, Bethel Airport, AK75 mi86 minVar 610.00 miPartly Cloudy56°F41°F57%1005.4 hPa

Wind History from ABE (wind in knots)
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Last 24hrN8N8N9N7N11N9N7N12NW16E14
G24
W3NW5NE8E5E5E4CalmE4SE5S5CalmSE565
1 day agoS8SW6SW7W6W8W8W9NW9N4NW6NW4NW4W6NW8NW7NW10N8N5N8NW9NW8N9N8NW7
2 days agoS12SW11S11S14S14S15S14S14S13S7S8S8S5S9SE8S8S9SE3SE6SE8S5S8S3S8

Tide / Current Tables for Eek Channel, off Quinhagak, Alaska
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Eek Channel
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Mon -- 12:42 AM AKDT     Moonrise
Mon -- 01:12 AM AKDT     12.48 feet High Tide
Mon -- 06:02 AM AKDT     Sunrise
Mon -- 07:27 AM AKDT     0.99 feet Low Tide
Mon -- 07:35 AM AKDT     Moonset
Mon -- 12:45 PM AKDT     8.91 feet High Tide
Mon -- 07:15 PM AKDT     -0.39 feet Low Tide
Mon -- 11:30 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.612.51210.485.12.61.21.22.74.978.58.98.26.74.72.50.6-0.301.84.47.3

Tide / Current Tables for Warehouse Creek entrance, Alaska
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Warehouse Creek entrance
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Mon -- 12:43 AM AKDT     Moonrise
Mon -- 01:38 AM AKDT     12.91 feet High Tide
Mon -- 05:59 AM AKDT     Sunrise
Mon -- 07:33 AM AKDT     Moonset
Mon -- 08:12 AM AKDT     0.99 feet Low Tide
Mon -- 01:11 PM AKDT     9.23 feet High Tide
Mon -- 08:00 PM AKDT     -0.39 feet Low Tide
Mon -- 11:31 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1112.612.811.79.774.3211.63.668.19.28.97.86.141.90.3-0.40.52.75.8

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.