Sunday, May31, 2020
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Marine Weather and Tides
Nunam Iqua, AK

Version 3.4
NOTICE
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 4:31AMSunset 11:22PM Sunday May 31, 2020 9:26 AM AKDT (17:26 UTC) Moonrise 2:32PMMoonset 3:06AM Illumination 71% Phase: Waxing Gibbous; Moon at 9 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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7 Day Forecast for Marine Location Near Nunam Iqua, AK
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location: 62.62, -164.85     debug


Area Discussion for -
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FXAK69 PAFG 311332 AFDAFG

Northern Alaska Forecast Discussion National Weather Service Fairbanks AK 532 AM AKDT Sun May 31 2020

Synopsis. Red Flag Warnings continue for the Middle and Lower Tanana Valley, and Near Red Flag conditions are expected from the the Upper Yukon Flats to the Middle Yukon Valley. Isolated to scattered thunderstorms and showers mainly south of a line from Eagle to Livengood to Shishmaref today and Monday. Stratus over the Eastern Arctic Coast is spreading west. Temperatures maybe a degree or two warmer again today for areas south of the Brooks Range. Northeast to east winds similar to yesterday with be diminishing tonight.

DISCUSSION.

Models . The 31/00Z solutions have made a few changes, but not that are of much impact to the forecast area. The continue to be pretty consistent from run to run on moving to the more seasonal pattern of westerly flow aloft. Solutions diverge late in the extended periods as they transitions to a rather benign pattern. Solutions are producing some pretty good convective numbers with the latest run. Lifted Index near -5 in the Lower Yukon Delta, and CAPE values of 800 to 1000 J/kg. Good convective numbers stretch from the Upper Tanana Valley to the Middle Tanana southwest to the Lower Yukon Delta, and northwest to the Seward Peninsula. Surface solutions initialized well against the 31/06Z surface analysis. NAM and GFS showing slightly stronger winds so will nudge the forecast database to those solutions. Relative Humidity values will be on the rise to start the week as moisture is pulled north into the area. The thermal trough will persist along the north slopes of the Alaska Range most of the week, but does slide north during the afternoon hours.

Aloft . At 500 hpa . Ridging over northern Alaska with a 561 dam high 200 nm northwest of Utqiagvik this morning and ridging extending northeast into the high Arctic, southeast over the Northern Yukon Territory, south over the Western Interior, and southwest over the Chukotka. The high will move to 200 nm north of Utqiagvik Monday morning, and to 150 nm north of Utqiagvik by Tuesday morning at 556 dam. A 540 dam low 200 nm south of Yakutat this morning will move over Yakutat Yakutat this evening and over the Yukon Territory Monday morning. Troughing will remain to the south over the Gulf of Alaska as a 518 dam low will move to 150 nm south of Unalaska Monday morning, and near Sand Point Tuesday morning at 530 dam. Several weak shortwaves will move west over the Southern Interior, Alaska Range, and Western Interior and West Coast south of Kotzebue Sound through Wednesday At 850 hpa. 0C isotherm is still west of 170W and north of the Arctic nearshore waters. A dome of +10C lies along 64N and will slide north to lie along 65N this evening then moderates as temperatures cool across the forecast area to +3C to +8C for the next couple days.

Surface . A 1030 mb high 200 nm north of Demarcation Point has weakened to 1026 mb and it will slowly drift west to 200 nm north of Utqiagvik Monday morning. Thermal trough has moved north of the Alaska Range as old occluded front merges into it. Weak high has developed over Prince William Sound, and troughing remains over the Gulf of Alaska and Bering Sea. Inverted trough will develop over the West Coast as a 999 mb low develops in Norton Sound Monday night. A 997 mb low will develop in the Thermal trough south of Fairbanks this evening and move to Galena by Monday afternoon at 998 mb. As the high pressure in the Arctic Weakens, the gradient across the Interior will relax.

Arctic Coast and Brooks Range . A patch of stratus is moving west over the Eastern Arctic Coast with the northeast to east onshore flow. Patchy fog will be be moving back in with the stratus. The remainder of the area will see a mix of clouds through the day. Inland over the plains and Brooks Range it will be mostly sunny and warmer than the coastal areas. Winds 5 to 25 mph with the strongest winds east of Utqiagvik. Temperatures cooling a couple degrees with highs in the 30s, and lows in the upper 20s to upper 30s along the coast, warmer inland.

West Coast and Western Interior . A few showers this morning from the Seward Peninsula south, with increasing showers and isolated to scattered thunderstorms this afternoon. Scattered thunderstorms are expected south of Kaltag and will continue through late evening. From Huslia to Kotzebue and north it will remain mostly clear. Winds northeast to east at 5 to 20 mph and gusty today becoming north to northeast as a inverted trough develops over the area and a low develops in Norton Sound. Showers and thunderstorms will spread up the coast Tuesday and Wednesday. Temperatures warming slightly today then steady through Thursday.

Central and Eastern Interior . Today will be pretty similar to the last couple days with generally partly cloudy skies north of Fairbanks, while from Fairbanks south expect increasing clouds in the afternoon with isolated thunderstorms and showers. Scattered thunderstorms are possible south of Fairbanks over the Tanana Flats. Tuesday will be very similar with afternoon isolated thunderstorms and showers, but they will spread further north to be generally south of Livengood. Wednesday looks less active, but expect at least isolated showers. Highs today in the 70s to low 80s with overnight lows in the 40s to lower 50s. Northeast to east winds to 5 to 20 mph and gusty again today will diminish Monday to 5 to 10 mph, but remain from the northeast to southeast. Red Flag Warnings remain in effect for the Middle Tanana Valley/Fairbanks, and the Lower Tanana Valley/Nenana/Tanana and south to Minchumina.

Coastal Hazard Potential Days 3 and 4 . No concerns at this time.

Extended forecast for days 4 to 7 . Moving into a more seasonal pattern with westerly flow aloft. Expect increasing clouds in the afternoons with isolated thunderstorms and scattered showers. Some clearing overnight. Temperatures will be a little cooler with highs in the 60s to lower 70s, and lows in the 40s to lower 50s. The Arctic Coast will be mostly cloudy with low stratus and patchy fog.

Fire Weather. Red Flag Warnings remain in effect for the Middle Tanana Valley/Fairbanks, and the Lower Tanana Valley/Nenana/Tanana and south to Minchumina. Isolated thunderstorms and showers, mainly south of a line from Eagle to Fairbanks to Galena to Shishmaref today and Monday. Scattered thunderstorms are possible from the Tanana Flats south of Fairbanks to the Lower Yukon Delta south of Kaltag.

Hydrology. Flowing water continues to widen the channels in most of the Arctic. Still some potential for small ice jams to develop and inundate low lying areas within the Flood Plain. Interior and West Coast waterways continue to fall slowly. Showers will bring some minor rises in Interior River and Streams, but do not expect much impact at this time. For the latest river and breakup information go to www.weather.gov/aprfc.

AFG WATCHES/WARNINGS/ADVISORIES.

Red Flag Warning for AKZ221-AKZ222.

Small Craft Advisory for PKZ210-PKZ225-PKZ230.

Brisk Wind Advisory for PKZ220-PKZ235-PKZ240-PKZ245.



SDB MAY 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----------------------------------------W9SW10W12W17
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2 days ago------------------------------------------------

Tide / Current Tables for Kwikluak Pass, Yukon River, Alaska
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Kwikluak Pass
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Sun -- 12:34 AM AKDT     Sunset
Sun -- 12:47 AM AKDT     1.21 feet High Tide
Sun -- 05:05 AM AKDT     Moonset
Sun -- 05:18 AM AKDT     Sunrise
Sun -- 08:11 AM AKDT     0.07 feet Low Tide
Sun -- 01:20 PM AKDT     1.67 feet High Tide
Sun -- 04:32 PM AKDT     Moonrise
Sun -- 09:14 PM AKDT     0.07 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11.21.110.80.50.30.20.10.20.511.41.61.61.51.310.70.40.20.10.20.5

Tide / Current Tables for Black, Black River, Alaska
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Black
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Sun -- 12:32 AM AKDT     Sunset
Sun -- 04:30 AM AKDT     0.45 feet Low Tide
Sun -- 05:06 AM AKDT     Moonset
Sun -- 05:24 AM AKDT     Sunrise
Sun -- 11:08 AM AKDT     5.21 feet High Tide
Sun -- 04:34 PM AKDT     Moonrise
Sun -- 05:33 PM AKDT     0.41 feet Low Tide
Sun -- 11:40 PM AKDT     4.08 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.32.61.710.50.5123.14.14.95.254.33.22.11.10.50.511.82.73.54

Weather Map
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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.
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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.