Tuesday, June19, 2018 L-36.com


Marine Weather and Tides
Savoonga, AK

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 4:15AMSunset 11:46PM Tuesday June 19, 2018 7:26 PM AKDT (03:26 UTC) Moonrise 11:11AMMoonset 12:52AM Illumination 42% Phase: Waxing Crescent; Moon at 7 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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PKZ210 Dall Point To Wales- 232 Pm Akdt Tue Jun 19 2018
.small craft advisory in effect through early Wednesday morning...
Tonight..NE winds 20 kt. Seas 7 ft subsiding to 5 ft.
Wed..N winds 20 kt. Seas 5 ft.
Wed night..N winds 25 kt. Seas 5 ft.
Thu..N winds 30 kt. Seas 7 ft. Rain.
Thu night..N winds 25 kt. Seas 7 ft.
Fri..SE winds 20 kt. Seas 5 ft.
Fri night..N winds 10 kt. Seas 3 ft.
Sat..SW winds 15 kt. Seas 3 ft.
Sun..SW winds 15 kt. Seas 4 ft.
PKZ200 Norton Sound- 232 Pm Akdt Tue Jun 19 2018
Tonight..E winds 10 kt. Seas 2 ft.
Wed..NE winds 15 kt. Seas 3 ft.
Wed night..N winds 15 kt. Seas 3 ft.
Thu..N winds 20 kt. Seas 4 ft. Rain showers.
Thu night..S winds 20 kt. Seas 4 ft.
Fri..SE winds 15 kt. Seas 3 ft.
Fri night..SW winds 10 kt. Seas 2 ft.
Sat..SW winds 15 kt. Seas 3 ft.
Sun..W winds 15 kt. Seas 3 ft.

7 Day Forecast for Marine Location Near Savoonga, AK
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location: 63.47, -170.03     debug


Area Discussion for -
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Fxak69 pafg 192325
afdafg
northern alaska forecast discussion
national weather service fairbanks ak
325 pm akdt Tue jun 19 2018

Discussion
A persistent upper level low currently over bristol bay will
bring unsettled weather to the west coast through the end of the
week. Temperatures across the interior will warm for Wednesday
and Thursday.

Aloft at 500 mb, a 540 dam low will persist in bristol bay through
Friday. On Friday this low will start to move to the north,
reaching st. Matthew island by Saturday evening and st. Lawrence
island by Sunday. An upper level ridge will build over the
interior as well as the arctic coast Wednesday into Thursday. The
ridge will be pushed to the east on Friday into Saturday as an
upper level low moves to the north in the gulf of alaska.

West coast and western interior: the low sitting in bristol bay
region will keep the weather on the west coast unsettled this
week. The low will spin several weather fronts northward across
the area. Each front will bring additional rainfall as it moves
through.The first front will move across the northern seward
peninsula and the southern chukchi sea coast tonight. Up to one
half inch of rainfall is expected as this front moves through
the next front will move into the yukon delta lower yukon valley
tomorrow afternoon and will move north over the seward peninsula
tomorrow night. Another front will push north across much of the
west coast and western interior Wednesday night and Thursday. As
this front moves through it may bring 0.5 to 1" of rainfall;
however, at this point, the models disagree somewhat on the exact
timing and placement of the heaviest qpf.

Central and eastern interior: isolated showers are expected this
evening, mainly from fairbanks north and west. Warmer temperatures
are expect for tomorrow and Thursday with temperatures expected to
reach into the mid 70s across much of the tanana valley as well as
parts of the upper yukon valley. Isolated thunderstorms are
expected across much of the interior on Wednesday and Thursday
along a broad thermal trough. On Thursday there looks to be
enough instability for scattered thunderstorms along the canadian
border. Colder temperatures are expected for Friday as the ridge
aloft gets pushed back to the east. Models are hinting at a swath
of heavy precipitation moving to the north along the canadian
border on Friday. Both the NAM and ECMWF have 6 hour QPF values in
excess of one inch right along the border. The GFS doesn't have
quite as high of QPF values as the other models. We will have to
keep our eyes on this situation.

North slope and brooks range: temperatures are expected to warm up
significantly tomorrow, especially in areas away from the coast.

A front will move north over the western brooks range and the
chukchi sea coast tonight bringing rainfall to the area. Another
front will bring rainfall to the brooks range on Friday. Low
stratus is expected to persist along the arctic coast through much
of the week with areas of fog expected at times as well.

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

Fire weather
Warmer temperatures and lower minimum relative humidity values are
expected across much the interior for Wednesday continuing into
Thursday. Minimum relative humidity values in the tanana valley as
well as the upper yukon valley will drop below 25 percent with
temperatures rising into the mid to upper 70s. In most of the
aforementioned area the sustained winds will not be high enough
to reach red flag criteria. The main exception to this will be in
the vicinity of delta junction. Southerly winds will increase on
Thursday through the pass south of delta junction bringing near
red flag conditions to the area around delta junction Thursday
afternoon and evening. Isolated thunderstorms are expected across
much of the interior for Wednesday. Isolated thunderstorms are
expected for much of the interior again on Thursday with scattered
thunderstorms expected along the canadian border.

Hydrology
Warm temperatures aloft over the brooks range combined with heavy
rainfall over the last several days and additional rainfall
expected over the next will produce significant rises on rivers
draining the brooks range and in particular the sag river. Current
forecasts keep the sag river below action stage, but we will need
to monitor closely as additional rain falls over the brooks
range. Recent heavy rainfall will keep many of the smaller creeks
and streams in the west coast and western interior running high
over the next few days.

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

Jun 18


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Wind History from ASA (wind in knots)
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Last 24hrE4NE6SE5NE4NE4N3E3CalmCalmCalmS4S4S5SW4SW3SW5SW7----W11W15W15W18W15
1 day agoNE7553CalmNW3W5--SW6W5SW6SW4SW4SW6W5SW5W4NW4NW3CalmE4SE7E6NE6
2 days ago34NE4E6NE4NE8NE6NE10NE11NE11NE11--NE15NE14NE14N10N10NE12NE9NE11NE11NE12NE8NE6

Tide / Current Tables for Fossil River entrance, St. Lawrence Island, Alaska
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Fossil River entrance
Click for MapNote: Reference is in time zone :America/Anchorage; adjusted offsets 1 hr to undo LST compensation.

Tue -- 12:39 AM HDT     Sunset
Tue -- 01:38 AM HDT     -0.15 feet Low Tide
Tue -- 02:52 AM HDT     Moonset
Tue -- 04:03 AM HDT     Sunrise
Tue -- 08:43 AM HDT     1.86 feet High Tide
Tue -- 01:11 PM HDT     Moonrise
Tue -- 02:44 PM HDT     0.11 feet Low Tide
Tue -- 08:58 PM HDT     1.34 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.2-0.1-0.100.40.81.21.61.81.91.71.30.90.50.20.10.20.50.81.11.31.31.21

Tide / Current Tables for Maknik Lagoon entrance, St. Lawrence Island, Alaska
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Maknik Lagoon entrance
Click for Map
Tue -- 01:30 AM AKDT     Sunset
Tue -- 02:12 AM AKDT     -0.14 feet Low Tide
Tue -- 03:48 AM AKDT     Moonset
Tue -- 05:07 AM AKDT     Sunrise
Tue -- 08:53 AM AKDT     2.34 feet High Tide
Tue -- 02:09 PM AKDT     Moonrise
Tue -- 03:18 PM AKDT     0.11 feet Low Tide
Tue -- 09:08 PM AKDT     1.68 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.40.1-0.1-00.30.81.41.92.22.32.21.81.30.80.40.10.20.50.91.21.51.71.61.3

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 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.