Monday, December9, 2019
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Marine Weather and Tides
Plush, OR

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 7:22AMSunset 4:36PM Monday December 9, 2019 12:53 PM PST (20:53 UTC) Moonrise 3:11PMMoonset 4:28AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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 Plush, OR
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location: 42.19, -120     debug


Area Discussion for - Reno, NV
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FXUS65 KREV 091110 AFDREV

Area Forecast Discussion National Weather Service Reno NV 310 AM PST Mon Dec 9 2019

SYNOPSIS.

A quiet weather pattern will be in place over the next couple of days as high pressure builds across the region. A weak weather system could bring very light snow showers to the mountains from late Tuesday into Wednesday but little accumulation expected. A stronger weather system could affect the region the end of the week into the weekend.

SHORT TERM.

Quiet weather will settle in the next couple of days as a transient ridge passes through the region today. After burning off stratus decks and patchy fog, clouds will clear through the afternoon as a drier air mass descends upon the Sierra and western Nevada. Valley inversions will develop through Tuesday with bases positioned around 6000-6500 feet. This may limit valley mixing and ventilation which could have some implications on air quality. We will see light winds both in valleys and at ridgetops today, but westerly winds will increase across Sierra ridges staring Tuesday morning ahead of the next (weak) low- pressure system.

This low pressure system may provide some light snow showers across the Sierra Tuesday night into early Wednesday before quickly dissipating by mid-morning. Overall, a very weak system with accumulations looking generally to be in the dusting to an inch range. Fuentes

LONG TERM. Thursday onward .

Thursday will be quite mild for mid-December ahead of the next incoming system. This system is backed by a weak atmospheric river moisture tap, arriving in two parts the end of the week into the weekend. The first part is mild as the region remains on the warm side of the jet, with snow levels in the 8000-9000 foot range for the end of the work week. The second part will arrive with a cold frontal passage this weekend, with snow levels possibly falling to valley floors behind the front. The cold air will be chasing the exiting moisture, so accumulation below 5000 feet will likely be hard to come by.

At this point, overall liquid totals from the two parts only look to be 0.5-1.5" along the Sierra crest, highest from the Tahoe Basin north. The Tahoe Basin could pick up 0.5-0.75" of liquid, with a few hundredths up to around 0.35" for western Nevada and the eastern Sierra. Being that snow levels start so high, the bulk of the snow accumulation will be for the upper portions of the Sierra, but light accumulations are possible for passes and even down to around 5000 feet by the end of the storm. Any snow accumulation can cause major travel headaches, especially given it is a weekend in the holiday ski season. If you do have travel plans, be sure to check back for the latest.

Following this system, the forecast gets quiet for a few days, but the flow remains progressive (i.e. stagnant conditions not expected). Ensemble guidance is hinting at chances for another storm around Dec 19-20, with general troughiness and storm chances continuing into the days leading up to Christmas. This agrees with the CPC 8-14 day outlook which favors below normal temperatures and above average chances for precipitation during the timeframe. Christmas travel may be impacted. -Dawn

AVIATION.

Dense fog is in place in the Martis Valley, including KTRK, with a few pockets in valleys of the Sierra and northeast CA. Satellite imagery suggests a few pockets of fog into portions of western Nevada as well, but it doesn't appear to be affecting any terminal sites. Taking a look at temperature and dew point spreads, it is looking less likely that fog will form in these areas this morning -- about a 30% chance. The remnant low and midlevel clouds, which are obscuring terrain this morning, will continue to clear out today with a few flat cumulus by this afternoon. Otherwise, expect light winds and passing high clouds today.

The next system is slated to move into the region Tuesday night into Wednesday bringing light rain and snow along with the return of lower ceilings obscuring terrain. -Dawn

REV Watches/Warnings/Advisories. NV . None. CA . None.



For more information from the National Weather Service visit . http://weather.gov/reno


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lake County Airport, OR21 mi61 minN 00.75 miFog/Mist32°F30°F96%1026.4 hPa

Link to 5 minute data for KLKV

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Last 24hrS9
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6CalmCalmSE4SE4SE3CalmNW3NW4NW5NW3N3CalmN3CalmCalmE3CalmCalmCalmCalmCalmCalm
1 day agoS9S12W13E9SE6SE10SE13SE11S9SE5S7SE5SE6S3SE3SE6SE4SE6SE4SE6SE7S7S10SE3
2 days agoS11SE8S11S10S8S7S8S10SW8S7S14S9
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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 CentralWestCoast    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 Reno, NV (15,3,4,5)
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Ground Weather Radar Station Medford, OR
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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 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.