Sunday, April23, 2017 L-36.com


Marine Weather and Tides
Emmonak, AK

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:06AMSunset 9:48PM Sunday April 23, 2017 11:48 AM AKDT (19:48 UTC) Moonrise 5:06AMMoonset 4:42PM Illumination 6% Phase: Waning Crescent; Moon at 27 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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PKZ200 Norton Sound- 454 Am Akdt Sun Apr 23 2017
Today..NE winds 20 kt. Seas in ice free waters 4 ft.
Tonight..NE winds 20 kt. Seas in ice free waters 5 ft.
Mon..NE winds 20 kt. Seas in ice free waters 4 ft.
Mon night..NE winds 20 kt. Seas in ice free waters 4 ft.
Tue..NE winds 15 kt. Seas in ice free waters 3 ft.
Tue night..NE winds 10 kt. Seas in ice free waters 1 foot.
Wed..NE winds 10 kt. Seas in ice free waters 1 foot.
Thu..N winds 10 kt. Seas calm.
PKZ200 Norton Sound- 454 Am Akdt Sun Apr 23 2017
Today..NE winds 20 kt. Seas in ice free waters 4 ft.
Tonight..NE winds 20 kt. Seas in ice free waters 5 ft.
Mon..NE winds 20 kt. Seas in ice free waters 4 ft.
Mon night..NE winds 20 kt. Seas in ice free waters 4 ft.
Tue..NE winds 15 kt. Seas in ice free waters 3 ft.
Tue night..NE winds 10 kt. Seas in ice free waters 1 foot.
Wed..NE winds 10 kt. Seas in ice free waters 1 foot.
Thu..N winds 10 kt. Seas calm.

7 Day Forecast for Marine Location Near Emmonak, AK
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location: 63.03, -164.47     debug


Area Discussion for -
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Fxak69 pafg 231449 ccb
afdafg
northern alaska forecast discussion... Corrected
national weather service fairbanks ak
649 am akdt Sun apr 23 2017

Synopsis
Aloft...

a ridge over northern alaska will weaken slowly through
wed then build back slowly in the second half of the week.

This will keep the interior and north slope of alaska generally
dry through Tue while the west coast has increasing chances of
precipitation. Temperatures will remain above normal for most of
northern alaska through the week.

A short wave trough from st paul island to king salmon will move
to st matthew island to illiamna by 4pm sun... And then to gambell
to mcgrath by 4am Mon before dissipating. Expect mid level clouds
and flurries or sprinkles with this feature.

A second short wave trough over the aleutians will move to the
southeast bering sea tonight... To the yukon delta by 4pm mon... And
over norton sound and the SW interior Mon night and tue. Expect a
chance of rain and snow showers with this feature.

Surface...

a ridge of high pressure over the beaufort sea will retreat east
today. Stratus and fog over the arctic coast will thin this
afternoon as the ridge weakens.

A low pressure trough in the eastern chukchi sea will move to
barrow to CAPE lisburne this afternoon... To barter island to cape
lisburne by 4am mon... And along the brooks range Mon afternoon... And
then dissipating. Stratus and flurries along and west of this
trough will spread east across the north slope tonight and mon.

High pressure over the western chukchi sea west of this trough
will build southeast tonight and then persist in to tue. This will
cause north winds to increase along the west coast of alaska
tonight and persisting into tue.

An arctic front stretching from nome to eagle will move to the
bering strait to eagle by 4pm sun... To teller to circle by 4pm
mon... Then stationary into tue. There are northeast winds 10g20
mph along and north of this front. As moisture moves north mon
night and Tue will see isolated rain and snow showers along the
front in the western interior spreading east along the front
on tue. Weak southerly downslope flow should prevent any
precipitation in the downslope shadow of the alaska range mon
night and tue.

Discussion
Models appear to initialize well and show similar solutions on
most features through tue. GFS again way over does precipitation
in the interior so will use solution closer to the emcf which does
not bring any precipitation into eastern interior until tue. Even
then due to weak downslope precipitation will be confined to area
well north of the alaska range along the arctic frontal boundary
and will be limited to isolated rain and snow showers. Models
similar on large scale pattern after Tue but differ more on short
wave feature details.

Fire weather
Continued sunny and very dry over the interior today with
moisture and clouds increasing Mon and tue. Temperatures will be
in the 50s today and remain above normal through the week.

Will see winds increasing through alaska range passes and near
delta junction Mon and tue.

Afg watches/warnings/advisories
Small craft advisory for pkz210.

Brisk wind advisory for pkz220-pkz225.

Jb apr 17


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Wind History from AEM (wind in knots)
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Last 24hrN6N7N6NE5NE4--E3E3E6SE5S4S3CalmE4E3--E5E5SE3--SE9SE13SE12SE13
1 day agoS3Calm--CalmNW4NE3--N5NE6E6N6N6NE6NE6NE7N6N6NE5NE7NE8NE8NE8NE5N7
2 days agoN13N15N11N12N8NW7NW9NW8NW7W6W4NW5W3W4CalmCalmW5W3W7SW6S45S6S6

Tide / Current Tables for Kawanak Pass entrance, Yukon River, Bering Sea, Alaska
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Kawanak Pass entrance
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Sun -- 12:36 AM AKDT     0.29 feet Low Tide
Sun -- 05:56 AM AKDT     1.56 feet High Tide
Sun -- 07:02 AM AKDT     Sunrise
Sun -- 07:06 AM AKDT     Moonrise
Sun -- 12:38 PM AKDT     0.24 feet Low Tide
Sun -- 06:22 PM AKDT     1.83 feet High Tide
Sun -- 06:41 PM AKDT     Moonset
Sun -- 10:51 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.30.50.91.21.51.61.51.310.70.40.30.30.50.91.31.61.81.81.61.310.6

Tide / Current Tables for Kwikluak Pass, Yukon River, Bering Sea, Alaska
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Kwikluak Pass
Click for Map
Sun -- 12:47 AM AKDT     0.15 feet Low Tide
Sun -- 05:17 AM AKDT     1.25 feet High Tide
Sun -- 07:05 AM AKDT     Sunrise
Sun -- 07:07 AM AKDT     Moonrise
Sun -- 12:49 PM AKDT     0.12 feet Low Tide
Sun -- 05:43 PM AKDT     1.47 feet High Tide
Sun -- 06:43 PM AKDT     Moonset
Sun -- 10:51 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.20.40.71.11.21.21.10.90.70.50.30.20.10.30.71.11.41.51.41.210.70.4

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
npac_satellite

GOES Local Image of Alaska    EDIT
Geos

Ground Weather Radar Station Nome, AK
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weather_mapweather_map weather_map

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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.