Friday, December13, 2019
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Marine Weather and Tides
Somers, MT

Version 3.4
NOTICE
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.
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 8:17AMSunset 4:45PM Friday December 13, 2019 1:48 PM MST (20:48 UTC) Moonrise 6:18PMMoonset 9:44AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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 Somers, MT
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location: 48.06, -114.22     debug


Area Discussion for - Missoula, MT
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FXUS65 KMSO 131016 AFDMSO

Area Forecast Discussion National Weather Service Missoula MT 316 AM MST Fri Dec 13 2019

DISCUSSION. Widespread show will continue through the early morning hours this morning, particularly in the Seeley/Swan Region, where the higher snow amounts for all valleys have been received. Also, Lookout, Lolo, and Marias Passes will continue to experience periods of low visibility and hazardous driving. For the rest of western Montana and north-central Idaho, snow is more scattered in nature with variable conditions. This afternoon, snow will become showery, throughout the Northern Rockies, with mountain snow continuing and occasionally making it down to area valleys.

Northwesterly flow is still forecast to develop and influence north-central Idaho and western Montana during this weekend. This flow pattern leads to cooler temperatures and lower snow levels, so precipitation type will primarily be snow during Saturday and Sunday. Model guidance show shortwave disturbances on both Saturday and Sunday, which will provide the lift for showers to develop. Snow amounts appear to be variable from one location to the next, due to indications that showers may organize into bands on Saturday. These bands can further enhance the variability of snow amounts. If traveling through or around north-central Idaho and western Montana during this weekend, please plan on snow over mountain passes, and periods of snow and reduced visibility at lower elevations. Travel impacts may linger into Monday under continued northwesterly flow.

Valley fog may start to develop early next week, after the recent moisture and a transition into high pressure. The strength of next week’s high pressure is somewhat uncertain, but extended model guidance tend to agree that an active weather pattern will return by the end of next week.

AVIATION. Light snow will continue for KGPI, periodically reducing visibility and ceilings through 13/1700Z this morning. For KMSO and KSMN, snow will be more scattered in nature, creating lesser impacts. Patchy fog will also be possible, especially for KSMN around sunrise, but could also impact KMSO at a lesser extent. Mountain obscurations will continue throughout the day today, as mountain showers will continue through sunset.

MSO WATCHES/WARNINGS/ADVISORIES. MT . Winter Weather Advisory until 11 AM MST this morning Bitterroot/Sapphire Mountains.

Winter Weather Advisory until 11 AM MST this morning Lower Clark Fork Region.

Winter Weather Advisory until 11 AM MST this morning Flathead/Mission Valleys.

Winter Weather Advisory until 11 AM MST this morning West Glacier Region.

Winter Weather Advisory until 11 AM MST this morning Kootenai/Cabinet Region.

Winter Weather Advisory until 11 AM MST this morning Potomac/Seeley Lake Region.

ID . Winter Weather Advisory until 10 AM PST this morning Northern Clearwater Mountains . Southern Clearwater Mountains.

Winter Weather Advisory until 11 AM MST this morning Western Lemhi County.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kalispell, Glacier Park International Airport, MT17 mi53 minSSE 610.00 miOvercast37°F30°F76%1016.3 hPa

Link to 5 minute data for KGPI

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Last 24hrSW10SW9S5SW5S5CalmCalmCalmCalmCalmCalmS4S7S7SE9S9S6S7SE8S7S6S6S4SE6
1 day agoS5S5CalmCalmN3CalmCalmN3W3N3--CalmSW4SW5SW4SW6S6SW6S7S8SE15SE12SW10
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2 days agoCalm3N3CalmCalmCalmW3CalmN3W3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS4CalmCalm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_P
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
Wind Forecast for Missoula, MT (15,3,4,5)
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Ground Weather Radar Station Missoula, MT
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weather_mapweather_map weather_map

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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.