Tuesday, March31, 2020
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Marine Weather and Tides
Somers, MT

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 7:14AMSunset 8:08PM Tuesday March 31, 2020 1:00 PM MDT (19:00 UTC) Moonrise 10:17AMMoonset 1:45AM Illumination 52% Phase: First Quarter Moon; Moon at 8 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 310918 AFDMSO

Area Forecast Discussion National Weather Service Missoula MT 318 AM MDT Tue Mar 31 2020

DISCUSSION. A cold front finished moving across the region last night and has left the Northern Rockies under the influence of a much cooler air mass. This time of year, after the Spring equinox and with the Sun angle increasing everyday, the strong sun will warm us up at the surface during the day and cause unstable conditions. Unstable means showers, snow showers, and graupel. We can't rule out the occasional lightning strike, however, with the air mass type showers and convection we're expecting today and the next few days, it is hard to get strong enough updrafts to generate frequent lightning. This pattern will continue for the rest of the week basically and shows no signs of abating as yet another dynamic low pressure system is looking more likely for this weekend.

As the snow levels have dropped significantly, we're seeing more impacts at night time from snow showers accumulating on the ground and causing slick conditions. As a result we have put out several winter weather advisories through the late morning. By then the Sun will be strong enough and temperatures will warm enough that any snow showers will be unlikely to produce significant impacts beyond reduced visibility.

AVIATION. A cold front yesterday and last night has ushered in a cool, troughing pattern over the region and lowered snow levels. Unstable conditions will persist this morning causing showers and increase this afternoon as the Sun destabilizes the atmosphere even more. Snow showers are expected to continue through the day and affect all area terminals. After late morning, about 16Z, expect minimal accumulation at the terminals with showers causing variable ceiling and visibility restrictions.

MSO WATCHES/WARNINGS/ADVISORIES. MT . Winter Weather Advisory until 10 AM MDT this morning West Glacier Region.

Winter Weather Advisory until 10 AM MDT this morning Bitterroot/Sapphire Mountains.

Winter Weather Advisory until 10 AM MDT this morning Potomac/Seeley Lake Region.

Winter Weather Advisory until 10 AM MDT this morning Butte/Blackfoot Region.

Winter Weather Advisory until 10 AM MDT this morning Lower Clark Fork Region.

ID . Winter Weather Advisory until 9 AM PDT this morning ABOVE 3000 FEET for the Northern Clearwater Mountains.

Winter Weather Advisory until 10 AM MDT this morning Eastern Lemhi County . Western Lemhi County.

Winter Weather Advisory until 9 AM PDT this morning ABOVE 3000 FEET for the Lower Hells Canyon/Salmon River Region . Orofino/Grangeville Region.

Winter Weather Advisory until 9 AM PDT this morning ABOVE 3000 FEET for the Southern Clearwater Mountains.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kalispell, Glacier Park International Airport, MT17 mi66 minSSE 1410.00 miOvercast42°F27°F55%1009.7 hPa

Link to 5 minute data for KGPI

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Last 24hrSE10S16
G22
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SW9S7S14SW7S9SE5SE10SE8SE7CalmCalmS5S5SW7S5S4NW3SE10SE14
1 day agoS13S10SW13SW11
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SW8SW7SW5SW10SW11S11S6S6S7CalmSW5CalmW4CalmCalmE5E7S9SE10SE8
2 days agoSE16SE14SE11SE8W9W11W6SW6SE6S5S6S4S5S5S43SW4S6S6S7CalmS6SE14SE11

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 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.