Tuesday, January26, 2021
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Marine Weather and Tides
Bellevue, ID

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:55AMSunset 5:45PM Tuesday January 26, 2021 9:46 PM MST (04:46 UTC) Moonrise 3:31PMMoonset 6:39AM 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 Bellevue, ID
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location: 43.53, -114     debug


Area Discussion for - Pocatello, ID
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FXUS65 KPIH 262126 AFDPIH

Area Forecast Discussion National Weather Service Pocatello ID 226 PM MST Tue Jan 26 2021

SHORT TERM. Tonight through Thu night. A major Pacific storm will dump copious amounts of snow starting tonight in the higher elevations of central Idaho, and spread during the morning to the ID-WY border Wed morning. The precipitation should be continuous in accumulation through at least Thu night, with portions border region continuing to receive moderate snow beyond this near term period. Temperatures are very mild, with upper 30s and 40s for many elevations below 5000ft, with a warming trend through Thu. Overnight lows will also turn mild with all the cloud cover. Winds continue to look strong for Wednesday, from the south, which means from Burley to Fort Hall that downslope conditions will retard not only snow accumulation but total precipitation, and these areas southward to the Utah border will be the least affected, with much lighter accumulation. Winter Storm Warnings and Winter Weather Advisories continue unchanged from this morning. Messick

LONG TERM. Friday through next Tuesday. Two distinct weather systems are expected to impact East Idaho late this week into early next week. On Friday, and upper trough will finally drive eastward from the Pacific coast. Models are showing a split in the flow with a cutoff over the Desert Southwest. As a result, we should not see very heavy snowfall as the trough and associated cold front passes through the region. Models start building an upper ridge across the Rocky Mountains starting on Saturday, though each long-term model wring some precip out of the atmosphere via upslope forcing through the ridge axis. This precip should be fairly light and confined to the higher terrain through Sunday. By Monday, ridging amplifies downstream with a deepening southwesterly flow aloft developing throughout the day Monday. Models are showing some moisture advancing into the region as early as Monday morning with upper troughing deepening upstream. Ensemble members are at odds with just how deep the trough will be and, as a result, the speed of its movement. Overall, we should see another round of snow with this second weather system, though details remain unclear as to how much and how widespread this will be. Hinsberger

AVIATION. Multiple low cloud layers is making it difficult to discern the LIFR ceilings from the MVFR/low VFR ceilings in the Eastern Magic Valley. KBYI begins the period in MVFR, but upstream observations at Jerome and Twin Falls show ceilings of 500 and 1600 ft respectively. The multiple layers are setting up some seeder- feeder action at KBYI, and that may bring a periodic lower ceiling. Elsewhere, we're waiting for the approach of the main event--the atmospheric river. Expect KSUN to see snow beginning around 12Z. Snowfall rates from BUFKIT soundings for KSUN indicate visibility may approach minimums, though NBM guidance is more optimistic. Low- level wind shear is also a possibility with a strong south flow coming to the boundary layer tomorrow morning. Hinsberger

PIH WATCHES/WARNINGS/ADVISORIES. Winter Weather Advisory from 11 PM this evening to 5 AM MST Friday for IDZ051>053-067-068.

Winter Storm Warning from 11 PM this evening to 5 AM MST Friday for IDZ069-072>075.

Winter Storm Warning from 11 AM Wednesday to 11 PM MST Friday for IDZ064-066.

Winter Weather Advisory from 11 AM Wednesday to 11 PM MST Friday for IDZ060-063.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hailey, Friedman Memorial Airport, ID16 mi56 minN 04.00 miLight Snow18°F16°F93%1010.5 hPa

Link to 5 minute data for KSUN

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Last 24hrNW5NW6NW8NW8NW7NW10NW12
G19
NW9NW10NW9NW10NW10NW8NW7NW8SE8SE10SE8SE10SE8SE8CalmCalmCalm
1 day agoNW5NW7NW7NW6NW7NW8NW10NW9NW11NW13NW11NW9NW10NW10NW7NW6NW5SE3SE9SE9SE5CalmNW6--
2 days agoN5N5NW9NW6NW7NW5NW3NW4NW7NW5NW10W5NW5NW7NW6NW6N4CalmSW4S5CalmNW5--NW4

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    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
Link to Loop

Other links: GEOS-West     Contential US     Full GOES-East
Ground Weather Radar Station




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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.