Wednesday, November25, 2020
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Marine Weather and Tides
Kotlik, AK

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 9:30AMSunset 4:03PM Wednesday November 25, 2020 1:17 AM AKST (10:17 UTC) Moonrise 3:25PMMoonset 3:20AM Illumination 76% Phase: Waxing Gibbous; Moon at 10 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- 226 Pm Akst Tue Nov 24 2020
.gale warning in effect through Wednesday afternoon...
Tonight..E winds 40 kt. Seas 8 ft. Snow and rain. Freezing spray.
Wed..SW winds 35 kt. Seas 7 ft. Blowing snow. Vsby 1 nm or less. Freezing spray.
Wed night..S winds 20 kt. Seas 4 ft. Freezing spray.
Thu..SE winds 15 kt. Seas 3 ft. Freezing spray.
Thu night..SE winds 15 kt. Seas 3 ft. Freezing spray.
Fri..E winds 20 kt. Seas 8 ft. Heavy freezing spray.
Fri night..NE winds 25 kt. Seas 8 ft. Heavy freezing spray.
Sat..NE winds 25 kt. Seas 8 ft.
Sun..NE winds 15 kt. Seas 4 ft.
PKZ200 Norton Sound- 226 Pm Akst Tue Nov 24 2020
.gale warning in effect through Wednesday afternoon...
Tonight..E winds 40 kt. Seas 8 ft. Snow and rain. Freezing spray.
Wed..SW winds 35 kt. Seas 7 ft. Blowing snow. Vsby 1 nm or less. Freezing spray.
Wed night..S winds 20 kt. Seas 4 ft. Freezing spray.
Thu..SE winds 15 kt. Seas 3 ft. Freezing spray.
Thu night..SE winds 15 kt. Seas 3 ft. Freezing spray.
Fri..E winds 20 kt. Seas 8 ft. Heavy freezing spray.
Fri night..NE winds 25 kt. Seas 8 ft. Heavy freezing spray.
Sat..NE winds 25 kt. Seas 8 ft.
Sun..NE winds 15 kt. Seas 4 ft.


7 Day Forecast for Marine Location Near Kotlik, AK
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location: 63.05, -163.38     debug


Area Discussion for -
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FXAK69 PAFG 250030 AFDAFG

Northern Alaska Forecast Discussion National Weather Service Fairbanks AK 330 PM AKST Tue Nov 24 2020

SYNOPSIS. A strong front associated with a powerful Bering Sea storm is currently impacting the West Coast of Alaska with blizzard conditions, strong winds, heavy snow, rain and freezing rain as well as coastal flooding and elevated surf. The front will continue to push inland bringing heavy snow and mixed precipitation to the Western Interior tonight and Wednesday and will continue to push into the Central interior Wednesday evening bringing light snow and the possibility of rain or freezing rain to areas south and west of Fairbanks. The front pushes into the Eastern Interior on Thanksgiving. As the front approaches from the west tonight, very strong winds will develop in the Alaska Range where High Wind Warnings have been issued. Strong and gusty winds over the Western North Slope ahead of the front will produce blowing snow reducing visibility to one half mile or less at times. Winter Weather Advisories have been issued for these areas.

DISCUSSION.

Upper Levels and Analysis . Satellite continues to show a well developed front wrapping around an upper level deep low centered just south of St Lawrence Island pushing north and east over the West Coast of Alaska and into the Western Interior attm. A secondary low is developing along the front just south of Cold Bay and will divert much of the available energy south and east into the Northern Gulf of Alaska Wednesday and Thursday. An upper level ridge currently over Central and Eastern Alaska will push east into the Yukon on Wednesday and Thursday.

Surface . A 948 mb low currently entering the Gulf of Anadyr will continue to deepen to around 945 mb before making landfall this evening. A strong front wrapping around the low is moving north and east through the Bering Strait and continues to push into the West Coast and Western Interior. A secondary low is forming along the front near Cold Bay and will continue to deepen to around 962 mb as it pushes north and east into Bristol Bay on Wednesday and into Cook Inlet and Prince William Sound on Thursday. A 1020 mb high pressure system northwest of Banks Island combined with the deep low pressure system moving into the Gulf of Anadyr will produce strong winds and blowing snow over the Western North Slope tonight and Wednesday where Winter Weather Advisories for blowing snow have been issued.

The 24/12z model suite initialized well against 12z surface analysis and verified well against the 18z surface analysis. Model spread not insignificant in the short term with the models continuing to struggle on the track and strength of the deep Bering Sea Low even at the 12 hour forecast point. We opted again to lean heavily on blended models which maintained forecast continuity well. The models continue to struggle with the track and strength of the next set of deep low pressure systems moving across the Aleutians and into the Northern Gulf of Alaska through the mid range and into the long range.

North Slope and Brooks Range . Strong winds are developing over the Western North Slope ahead of the strong front pushing north through the Bering Strait and into the Chukchi Sea tonight. The strong winds are expected to produce low visibilities in blowing snow tonight and Wednesday. Winter Weather Advisories have been issued for these areas. Winds will also pick up over the Eastern North Slope where blowing snow may reduce visibility to less than one mile at times.

West Coast and Western Interior . The strong front associated with a powerful Bering Sea storm is currently impacting the West Coast of Alaska with blizzard conditions, strong winds, heavy snow, rain and freezing rain as well as coastal flooding and elevated surf. A variety of Warnings and Advisories including Blizzard Warnings, Winter Storm Warnings, Winter Weather Advisories and Coastal Flood Advisories continue along the coast tonight and will continue through the day tomorrow. Rain continues to mix into the snow south of Seward Peninsula while snow remains the dominate precip type north of the Seward Peninsula where blizzard conditions are noted at most locations in Kotzebue Sound. The front will continue to push inland bringing heavy snow and mixed precipitation to the Western Interior tonight and Wednesday. Snowfall totals will diminish as the front enters the Central Interior.

Central and Eastern Interior . Very strong winds winds are expected to develop this evening along the northern foothills of the Alaska Range ahead of the strong front pushing in from the west. A strong mountain wave will force southerly winds aloft to be forced to the surface along and near the northern foothills. Wind gusts to around 80 mph are possible in the foothills and in and near the Alaska Range Passes. A strong pressure gradient will produce wind gust to around 70 mph in Delta Junction area after midnight tonight and continuing tomorrow.

The front will also bring another round of snow to much of the Central and Eastern Interior. Generally 1 to 3 inches is expected. A warm layer aloft will introduce the possibility of very light freezing or rain which will freeze on road surfaces as the precipitation begins late tomorrow afternoon from Fairbanks south and west. No freezing rain or rain is expected north and east of Fairbanks. Heavier snow in the 3 to 6 inch range is expected west and northwest of Fairbanks in areas such as Bettles and Tanana. Winter Weather Advisories have been issued for these areas. Winds will pick up over the highway summits with considerable blowing and drifting snow expected to develop over the Elliot Highway Summits. Winter Weather Advisories have been issued for zone 219 and 221.

Coastal Hazard Potential Days 3 and 4 . Water levels will be dropping rapidly Wednesday night behind the current storm along the coast today.

Extended Forecast for days 4 to 7 . Another strong low looks to move across the southern Bering Sea on Friday and into the Bristol Bay area Friday night and Saturday. This system looks to bring gusty northeasterly winds to the west coast.

AFG WATCHES/WARNINGS/ADVISORIES. Blizzard Warning for AKZ207-AKZ209.

High Wind Warning for AKZ223-AKZ225-AKZ226-AKZ227.

High Surf Advisory for AKZ211-AKZ213.

Coastal Flood Advisory for AKZ214.

Winter Weather Advisory for AKZ201-AKZ202-AKZ215-AKZ216-AKZ219- AKZ221.

Winter Storm Warning for AKZ208-AKZ210-AKZ211-AKZ212-AKZ213.

Heavy Freezing Spray Warning for PKZ220-PKZ225-PKZ230.

Gale Warning for PKZ200-PKZ210-PKZ215-PKZ220-PKZ225-PKZ230- PKZ235-PKZ240.

Brisk Wind Advisory for PKZ245.

CCC NOV 20


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----------------------------------------------NW7
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Tide / Current Tables for Apoon Mouth, Yukon River, Norton Sound, Alaska
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Apoon Mouth
Click for Map
Wed -- 03:02 AM AKST     2.66 feet High Tide
Wed -- 04:20 AM AKST     Moonset
Wed -- 10:44 AM AKST     Sunrise
Wed -- 11:16 AM AKST     0.58 feet Low Tide
Wed -- 04:23 PM AKST     Moonrise
Wed -- 04:36 PM AKST     Sunset
Wed -- 07:20 PM AKST     2.91 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.62.62.62.72.62.52.21.81.30.90.70.60.60.81.11.522.52.82.92.92.82.62.5

Tide / Current Tables for Pikmiktalik River entrance, Norton Sound, Alaska
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Pikmiktalik River entrance
Click for Map
Wed -- 03:20 AM AKST     2.87 feet High Tide
Wed -- 04:17 AM AKST     Moonset
Wed -- 10:43 AM AKST     Sunrise
Wed -- 11:33 AM AKST     0.62 feet Low Tide
Wed -- 04:20 PM AKST     Moonrise
Wed -- 04:31 PM AKST     Sunset
Wed -- 07:37 PM AKST     3.14 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.82.82.82.92.92.72.521.61.10.80.60.60.81.11.522.52.93.13.132.92.8

Weather Map
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wmap_P
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Nome, AK
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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 numerous 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.