Saturday, November28, 2020
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Marine Weather and Tides
Lakeside, MT

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 8:02AMSunset 4:48PM Saturday November 28, 2020 9:32 PM MST (04:32 UTC) Moonrise 4:10PMMoonset 6:08AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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 Lakeside, MT
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location: 48.04, -114.22     debug


Area Discussion for - Missoula, MT
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FXUS65 KMSO 282032 AFDMSO

Area Forecast Discussion National Weather Service Missoula MT 132 PM MST Sat Nov 28 2020

DISCUSSION. Visible satellite imagery is showing thinning cloud cover over much of northwest Montana and central Idaho behind a weak cold front that passed through the region this morning. Clouds will persist into tonight and skies will gradually clear throughout the day on Sunday as high pressure builds over the Northern Rockies. Fair weather does not last long, though. A shortwave trough of low pressure makes landfall on the Washington coast Monday morning and traverses the Pacific Northwest. This system, along with an associated cold front, will arrive in the Northern Rockies by late Monday afternoon. Some ingredients will be in place for snow showers and breezy winds on Monday evening into the nighttime hours. These ingredients include a favorable position of an upper-level jet streak and good large-scale ascent. Moisture will be limited, though, and some upper-level warming will inhibit snow growth potential later on Tuesday night. Areas favored for snow will be the Missions, the Glacier Park region, the Clearwaters, and the Bitterroots. This is looking to be a fast moving system at this time, so snow accumulations should be limited to the higher terrain.

Unsettled weather departs the area quickly, and another ridge builds by midday on Tuesday. Model ensembles are already showing good agreement on the ridge persisting for much of the week. Valley inversions will keep overnight low temperatures on the cool side, while fog and air stagnation will become concerns in the deeper valleys. Daytime highs will be a few degrees above normal. As the week progresses, some model solutions begin hinting at a blocking pattern, which would lock up high pressure through next weekend at least. Confidence is still somewhat low on the longer term outlook.

AVIATION. Widespread cloud cover will linger through tonight behind a weak cold front that moved through earlier today. Although ceilings will remain above VFR today, there will be enough cloud cover to obscure terrain. Some models are hinting at the possibility of fog at KGPI and KMSO tonight into Sunday morning. The current thinking is that cloud cover will keep radiational cooling at bay and prevent fog formation, so we will keep fog out of the TAFs for now. If cloud cover lifts sooner than expected, later TAF issuances may change this course. Otherwise, expect gradually clearing skies and calm winds on Sunday as high pressure builds.

MSO WATCHES/WARNINGS/ADVISORIES. MT . None. ID . None.


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kalispell, Glacier Park International Airport, MT18 mi37 minN 010.00 miFair26°F26°F100%1030.9 hPa

Link to 5 minute data for KGPI

Wind History from GPI (wind in knots)
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Last 24hrSW6SW5SW6SW7SW4SW7W5SW7S8SW6SW7SW6S8SW5E3S4SW8SW9SW7SW8SW9SW4CalmCalm
1 day agoS3S5S6S6S8S7S9S7S9S8S7S11S14S14S14S14S14
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2 days agoS10SW7SW3S9S8S7S5S6S8S7S7S8S7S8SW7SW10SW10SW10SW9S7S8SW8S6Calm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of PacificNorthwest    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 Missoula, MT
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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 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.