Sunday, September24, 2017 L-36.com


Marine Weather and Tides
Emmonak, AK

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 7:47AMSunset 7:55PM Saturday September 23, 2017 10:51 PM AKDT (06:51 UTC) Moonrise 11:13AMMoonset 8:12PM Illumination 13% Phase: Waxing Crescent; Moon at 4 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- 215 Pm Akdt Sat Sep 23 2017
.small craft advisory in effect from this evening through Sunday afternoon...
Tonight..NE winds 25 kt. Seas 5 ft subsiding.
Sun..NE winds 25 kt. Seas 5 ft.
Sun night..N winds 20 kt. Seas 4 ft.
Mon..N winds 20 kt. Seas 4 ft.
Mon night..N winds 20 kt. Seas 4 ft.
Tue..NE winds 20 kt. Seas 4 ft.
Tue night..NE winds 15 kt. Seas 3 ft.
Wed..N winds 10 kt. Seas 3 ft.
Thu..N winds 15 kt. Seas 4 ft.
PKZ200 Norton Sound- 215 Pm Akdt Sat Sep 23 2017
.small craft advisory in effect from this evening through Sunday afternoon...
Tonight..NE winds 25 kt. Seas 5 ft subsiding.
Sun..NE winds 25 kt. Seas 5 ft.
Sun night..N winds 20 kt. Seas 4 ft.
Mon..N winds 20 kt. Seas 4 ft.
Mon night..N winds 20 kt. Seas 4 ft.
Tue..NE winds 20 kt. Seas 4 ft.
Tue night..NE winds 15 kt. Seas 3 ft.
Wed..N winds 10 kt. Seas 3 ft.
Thu..N winds 15 kt. Seas 4 ft.

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 232222
afdafg
northern alaska forecast discussion
national weather service fairbanks ak
222 pm akdt Sat sep 23 2017

Discussion
Overall, the models are in good agreement in the short term. A
generally quiet weather pattern for the remainder of the weekend
with the biggest forecast challenge being the potential for gap
winds at times in the alaska range.

Aloft, at 500 mb, a 543 dam low near demarcation point will move
to the north and east through Monday. A 531 dam low near the
kuskokwim delta will move into bristol bay by Sunday morning. This
low will persist over bristol bay through Monday morning before
starting to move to the south. A 535 dam low near sand point will
move to near homer by Sunday morning. This low will move north
into the interior and weaken Sunday night. A shortwave associated
with a low in the high arctic will move from west to east along
the north slope Sunday night into Monday. A weak ridge looks to
build into the west coast on Monday. This ridge will be knocked
south late Tuesday by a short wave approaching from the west. This
short wave will move across the arctic coast Wednesday and
Wednesday night.

At the surface, a 1024 mb high 250 nm NW of deadhorse will move to
the northeast and weaken tonight. A 1011 mb low near mackenzie bay
will move to 175 nm NE of demarcation point by 4 pm Sunday at 1001
mb and to 330 nm NE of demarcation point by 4 pm Monday. A front
will move across the arctic coast Sunday night into Monday. High
pressure will build just north of the brooks range on Tuesday. A
989 mb low 120 nm south of king salmon will split into two lows
tonight. The fist low will move to the kuskokwim delta by 4 am
Sunday at 993 mb and then to 121 nm N of nelson lagoon by 4 pm
Sunday. The second low will move east into the northern gulf of
alaska. High pressure will build east over the chukotsk peninsula
on Monday causing the pressure gradient to tighten over the bering
strait and northern bering sea.

Central and eastern interior: some gap winds at time this weekend
in the passes of the alaska range; however, at this point winds
are expected to remain sub-advisory. A front will push into the
interior late Sunday night where it will stall out. This will
bring rainfall to much of the interior on Monday with the best
chances for precipitation generally along a line from circle to
fairbanks to mcgrath. Preciptiation will gradually end on Monday
night with a gradual decrease in cloud cover expected on Tuesday.

Another system will push into the interior Wednesday night and
will stall on Thursday bringing another round of rainfall, mainly
along a line from circle to fairbanks to mcgrath, although the
models do have some differences in the handling of this system at
at this point.

Arctic coast and brooks range: some fog and lower ceilings tonight
and Sunday. A front will bring precipitation as it moves through
on Monday. The precipitation will generally be snow, although
some rain will mix in closer to the coast. 1 to 2 inches of snow
is expected inland on Monday with less than 0.5 inches expected
closer to the coast. High pressure will build in on Tuesday and
the winds will become more southerly. This should help to clear
things up, particularly along the coast.

West coast and western interior: some rainfall this evening in the
yukon delta and lower yukon valley. Some gusty northeasterly
winds will persist tonight along the coast, although they will be
well below headline criteria. A front will bring some rainfall to
the western interior on Monday. With a weak ridge building in on
Tuesday expect mainly quiet weather the remainder of the week. The
models are hinting a the potential for a system moving in from the
west for next weekend; however, at this point there is still a
lot of uncertaintyin the details of this.

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

Hydrology
No issues at this time.

Afg watches warnings advisories
Small craft advisory for pkz200-pkz210-pkz225.

Sep 17


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Emmonak, Emmonak Airport, AK18 mi55 minN 910.00 miLight Rain45°F44°F97%1004.8 hPa

Wind History from AEM (wind in knots)
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Last 24hrNW5NW6N8N5N6N5N6N5N5N5N6N6N7N11N13
G18
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G18
N11
G17
N13N12N11N9N9
1 day agoN7N6N6N7N8N7N5N8N7N6N7N8NW10N11
G17
N13NW12N10NW10NW10N11N8N10N9N4
2 days agoN8N8N6N9N7N7N9N10N9N9N11N13N12
G17
N12N12N15N13N13
G18
N13
G18
N8N14N12N8N10

Tide / Current Tables for Kawanak Pass entrance, Yukon River, Bering Sea, Alaska
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Kawanak Pass entrance
Click for Map
Sun -- 12:10 AM AKDT     1.85 feet High Tide
Sun -- 06:42 AM AKDT     0.29 feet Low Tide
Sun -- 08:48 AM AKDT     Sunrise
Sun -- 12:13 PM AKDT     1.65 feet High Tide
Sun -- 02:29 PM AKDT     Moonrise
Sun -- 06:54 PM AKDT     0.10 feet Low Tide
Sun -- 08:49 PM AKDT     Sunset
Sun -- 10:29 PM AKDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.81.81.61.30.90.60.30.30.50.81.21.51.61.61.41.10.80.40.20.10.30.611.4

Tide / Current Tables for Kwikluak Pass, Yukon River, Bering Sea, Alaska
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Kwikluak Pass
Click for Map
Sun -- 06:53 AM AKDT     0.15 feet Low Tide
Sun -- 08:49 AM AKDT     Sunrise
Sun -- 11:34 AM AKDT     1.32 feet High Tide
Sun -- 02:28 PM AKDT     Moonrise
Sun -- 07:05 PM AKDT     0.05 feet Low Tide
Sun -- 08:51 PM AKDT     Sunset
Sun -- 10:33 PM AKDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.51.41.20.90.60.40.20.10.30.711.31.31.21.10.80.60.30.100.20.50.91.3

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.