Friday, January17, 2020
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Marine Weather and Tides
Truckee, CA

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 7:16AMSunset 5:04PM Friday January 17, 2020 8:32 AM PST (16:32 UTC) Moonrise 12:08AMMoonset 11:51AM Illumination 51% Phase: Third Quarter Moon; Moon at 22 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 Truckee, CA
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location: 39.35, -120.19     debug


Area Discussion for - Reno, NV
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FXUS65 KREV 171118 AFDREV

Area Forecast Discussion National Weather Service Reno NV 318 AM PST Fri Jan 17 2020

SYNOPSIS.

Quieter weather will be in store over the weekend as high pressure settles across the region. Breezy Sierra ridgetop winds will continue through tonight before lightening by Saturday. Periods of mid and high clouds will stream across the area through the weekend and into early next week. The next potential for a winter storm system may arrive as early as Tuesday next week with additional Sierra snowfall and travel impacts possible.

SHORT TERM.

Light upslope snow showers continue across the Tahoe Basin and into far western Nevada valleys. Although these showers are expected to taper off by sunrise with little additional accumulations expected, the morning commute may still see significant delays.

Caution this morning with icy conditions! Some breaks in the clouds along with sub-freezing temperatures may make for very slippery conditions, not only on roads but for untreated sidewalks, driveways, etc. Our parking lot would make for a good ice skating rink at the moment. Take care if you are out there and allow yourself extra time as hazardous travel will continue this morning. Numerous chain controls remaining in effect at the time of this writing. Be sure to check with CalTrans and NDOT for the latest road conditions and chain controls before heading out.

Quieter weather will be in store for the weekend as high pressure builds across the region. Breezy winds will continue across the Sierra ridgetops today with gusts of 40-50 mph possible through tonight before winds begin to taper down Saturday morning. Otherwise will see periods of mid and high clouds stream across the region over the weekend with high temperatures increasing a few degrees and remaining generally near average through the weekend. Valley inversions will strengthen the next few days and become most pronounced by Sunday. Could see some limited ventilation and hazy conditions down in the valleys on Sunday as a result. Fuentes

LONG TERM. Monday through next weekend .

The next winter storm system to affect the region will move in Tuesday and Tuesday night. Monday still looks to be dry ahead of the front. Latest models are trending drier with the Tuesday storm, including the GFS/ECMWF and their ensembles. We have trended the forecast in that direction, including less QPF and snowfall.

This storm doesn't look to be a huge storm, rather more of a weak to moderate type Sierra storm. Winter impacts will be likely in the Sierra Tuesday night into Wednesday morning.

Along with the front, strong gusty winds will be likely on Tuesday. Gusty winds will create hazardous cross winds for high profiles vehicles, as well as aviation impacts from wind shear and turbulence. Snow levels will remain around 5500ft, with mostly rain for western Nevada and snow in the mountains.

Beyond Wednesday, we will see most likely periods of clouds and sun in between weak shortwaves moving through the Pacific Northwest. Not expecting to see any major storms through next weekend for the Sierra, but some minor disturbances with light snow may be possible. -Hoon

AVIATION.

VFR conditions return Friday with light winds that will continue through Sunday. Some light mtn wave turbulence is possible Saturday afternoon with a weak wave into the Pacific Northwest, but otherwise it will remain tranquil. -X/Hoon

REV Watches/Warnings/Advisories. NV . Winter Weather Advisory until 4 AM PST early this morning NVZ002-003.

CA . Winter Weather Advisory until 4 AM PST early this morning CAZ071-072.



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
Truckee-Tahoe, CA3 mi67 minN 010.00 miOvercast16°F10°F79%1021 hPa
Reno, Reno Tahoe International Airport, NV24 mi37 minN 410.00 miPartly Cloudy28°F18°F66%1023.8 hPa

Link to 5 minute data for KTRK

Wind History from TRK (wind in knots)
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Tide / Current Tables for Sacramento, Sacramento River, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
Click for Map
Fri -- 12:13 AM PST     Moonrise
Fri -- 05:00 AM PST     Last Quarter
Fri -- 07:21 AM PST     Sunrise
Fri -- 07:30 AM PST     0.13 feet Low Tide
Fri -- 11:57 AM PST     Moonset
Fri -- 12:43 PM PST     2.82 feet High Tide
Fri -- 05:10 PM PST     Sunset
Fri -- 08:51 PM PST     0.33 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.42.221.51.10.60.30.20.20.61.52.22.72.82.72.31.91.410.60.40.30.71.3

Weather Map
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wmap_P
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 (11,2,3,4)
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Ground Weather Radar Station Reno, NV
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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.