Sunday, August25, 2019 L-36.com


Marine Weather and Tides
Emmonak, AK

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
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 6:31AMSunset 9:31PM Sunday August 25, 2019 9:01 AM AKDT (17:01 UTC) Moonrise 11:38PMMoonset 6:32PM Illumination 24% Phase: Waning Crescent; Moon at 25 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- 348 Am Akdt Sun Aug 25 2019
Today..W winds 10 kt. Seas 2 ft.
Tonight..SW winds 10 kt. Seas 3 ft.
Mon..SW winds 15 kt. Seas 3 ft.
Mon night..SW winds 20 kt. Seas 4 ft.
Tue..W winds 20 kt. Seas 5 ft.
Tue night..W winds 20 kt. Seas 4 ft.
Wed..SW winds 20 kt. Seas 4 ft.
Thu..W winds 10 kt. Seas 2 ft.
PKZ200 Norton Sound- 348 Am Akdt Sun Aug 25 2019
Today..W winds 10 kt. Seas 2 ft.
Tonight..SW winds 10 kt. Seas 3 ft.
Mon..SW winds 15 kt. Seas 3 ft.
Mon night..SW winds 20 kt. Seas 4 ft.
Tue..W winds 20 kt. Seas 5 ft.
Tue night..W winds 20 kt. Seas 4 ft.
Wed..SW winds 20 kt. Seas 4 ft.
Thu..W winds 10 kt. Seas 2 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 251319
afdafg
northern alaska forecast discussion
national weather service fairbanks ak
519 am akdt Sun aug 25 2019

Discussion
Synopsis... Precipitation primarily from the brooks range north as
a weather front drags east across the area. A upper level trough
may kick off some isolated showers south of the range as it moves
east between the ranges. Snow level has risen in the brooks range
to around 4000 feet, but expect some heavy wet snow with up to 4
inches today, then another 4 inches Monday night. High pressure
will build in over the lower yukon delta this evening, then slide
east through Wednesday.

Models... Broad cyclonic flow will continue into the midrange with
good agreement between the 25 00z solutions. Flow south of the
books range does become more zonal as ridging over the bering sea
works its way east Tuesday. There will be several shortwaves
moving through the flow, but timing of them is a little different
with each solutions so will need to use a blend to come up with a
concensus. Short term most activity will be from the brooks range
north with a mix of precipitation dependent on elevation. Will use
the same blend of solutions as yesterday, so will lean on the nam
for precipitation coverage, then kick the probabilities up with
the sref. Going with the namdng again today for winds.

Aloft... At 500 hpa... Broad cyclonic pattern will persist with the
primary low moving from high in the central arctic to north of
banks island this evening at 510 dam. A strong shortwave lying to
the west of the low has moved over the arctic coast, and will drag
to the east. Weak troughing has dug south over the western
interior and will move over the alcan by Monday morning. Another
strong shortwave will develop and lie along 80n Monday morning
spinning south along 75n by Tuesday morning as a 533 dam low
develops north of wrangel island. Weak ridging pushing northeast
over the lower yukon delta Monday morning, then slowly moving east
over the southern half of the state through Tuesday. At 850
hpa... 0c isotherm lies along the crest of the brooks range and
will remain there into Tuesday, then slide north offshore.

Surface... Broad area of low pressure around a 979 mb low 500 nm
north of point barrow covers most of the arctic, and extends south
over mainland alaska to a 1010 mb low over southcentral alaska.

Cold front associated with the low has moved over the arctic coast
and will stall over the brooks range as it gets dragged to the
east over the next couple days. A 1000 mb low will develop along
the front south of wrangel island Monday morning and move east
across the chukchi sea along 70n, then over the north slopes of
the brooks range Monday night and Tuesday. Weak high pressure over
the west coast and western interior extends southwest to a 1029
mb high just south of shemya this morning. The high pressure will
be pushed south as the low moves over the brooks range, and
expands to the east as the high moves to just south of adak Monday
morning, then into bristol bay by Tuesday afternoon. The front
over the brooks range will continue to slide east, and may be
pushed south of the brooks range over the upper yukon flats
Wednesday morning as high pressure pushes southeast over the
western arctic plain.

Arctic coast and brooks range... Not much change, cloudy, wet, and
breezy, though winds will be lighter today. A weather front has
pushed south over the area and will stall along the north slopes
of the brooks range as it is dragged to the east. Periods of rain
for most of the area, with snow above 4000 feet in the range. Snow
accumulation up to 4 inches east of the dalton highway tonight
with potential for some heavier snowfall Monday night. Winds will
remain westerly at 10 to 20 mph for most areas. No significant
change in temperatures.

West coast and western interior... Some isolated showers as a weak
upper level trough moves through the area today, then clearing
tonight south of the seward peninsula. Variable wind to 15 mph,
strongest on the coast and capes. Southwest to west winds
developing south of the bering strait tonight will produce
elevated sea levels along the coast and wave runup above the
normal high tide line. Winds inland less than 10 mph. No
significant change in temperatures through midweek.

Central and eastern interior... Increasing clouds today as an
upper level trough moves through the area. Some isolated showers
possible. Better chance of showers near the brooks range as a
weather front drags east along the north side. Winds generally
less than 10 mph. With clouds persisting over the area, low
temperatures will be a bit warmer, but no change in high
temperatures the next few days.

Coastal hazard potential days 3 and 4... A long westerly fetch
developing over the northern bering sea Sunday night bringing
elevated water levels to west coast locations south of the bering
strait. Water levels are currently expected to be up to 2 feet
above the normal high tide line, peaking Tuesday afternoon. Wave
action will wash well above the normal high tide line and may
cause some minor erosion.

Fire weather Relative humidity values above 40 percent with
excellent overnight recovery. No significant winds through the
weekend. No thunderstorm activity expected. Go to


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for PAEM

Wind History from AEM (wind in knots)
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Last 24hr----------------------CalmSW4SW4SW4SW4SW4SW6SW7SW9SW8W10W9W11
1 day agoE5E4E5NE4NE8NE5N5N6NE5N5NE8NE6N6N6NE5NE4NE4NE6NE5CalmNE5NE5NE3E5
2 days agoNE7--NE13NE13NE11NE12NE10N9N7N6N6N7N7NE5NE5NE4NE4N4NE5NE6NE6E4NE6NE4

Tide / Current Tables for Kawanak Pass entrance, Yukon River, Alaska
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Kawanak Pass entrance
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Sun -- 12:58 AM AKDT     Moonrise
Sun -- 02:23 AM AKDT     1.79 feet High Tide
Sun -- 07:24 AM AKDT     Sunrise
Sun -- 08:55 AM AKDT     0.54 feet Low Tide
Sun -- 01:44 PM AKDT     1.59 feet High Tide
Sun -- 08:31 PM AKDT     Moonset
Sun -- 08:57 PM AKDT     0.00 feet Low Tide
Sun -- 10:33 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.61.81.81.61.41.10.80.60.50.711.31.51.61.51.20.90.60.30.100.10.5

Tide / Current Tables for Kwikluak Pass, Yukon River, Alaska
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Kwikluak Pass
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Sun -- 01:04 AM AKDT     Moonrise
Sun -- 01:44 AM AKDT     1.44 feet High Tide
Sun -- 07:28 AM AKDT     Sunrise
Sun -- 09:06 AM AKDT     0.27 feet Low Tide
Sun -- 01:05 PM AKDT     1.27 feet High Tide
Sun -- 08:27 PM AKDT     Moonset
Sun -- 09:08 PM AKDT     0.00 feet Low Tide
Sun -- 10:33 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11.41.41.31.210.70.50.30.30.40.81.11.31.21.10.90.70.40.20.100.10.4

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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Ground Weather Radar Station Nome, 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.