Wednesday, November25, 2020
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Marine Weather and Tides
Soda Springs, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:54AMSunset 4:41PM Wednesday November 25, 2020 3:04 AM PST (11:04 UTC) Moonrise 2:40PMMoonset 2:22AM Illumination 77% Phase: Waxing Gibbous; Moon at 10 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 Soda Springs, CA
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location: 39.31, -120.33     debug


Area Discussion for - Reno, NV
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FXUS65 KREV 251032 AFDREV

Area Forecast Discussion National Weather Service Reno NV 232 AM PST Wed Nov 25 2020

SYNOPSIS.

A cold front is pushing across the region this morning bringing increased winds and a few light snow showers. It will be dry but cooler for Thanksgiving Day. High pressure will build over the weekend and early next week for seasonally cool temperatures and light winds.

SHORT TERM.

A cold front is pushing through the region early this morning with increasing winds and a few light snow showers. The deepest moisture remains north into Oregon, so the best chances for any accumulation will be north of approximately a Susanville-Winnemucca line. Even here, we are only talking localized areas around an inch, so this isn't going to be a major snow producer anyway you slice it. Farther south, a few high resolution models are still hinting at light showers in the Sierra and northwestern Nevada today. While likely to only be a dusting to maybe a 1/2" in localized areas, keep in mind that the majority of accidents occur with a trace up to 2" of snow. If traveling today, it's best to check with either CalTrans and/or NDOT for the latest on road conditions.

Otherwise, west to northwest winds increase today with the front, bringing choppy conditions to area lakes and enhanced turbulence and wind shear concerns for aviation.

Associated upper trough swings through the region tonight into Thanksgiving morning, turning winds to the northeast and bringing a colder airmass into the region. Thanksgiving Day will feature below normal temps (40s in valleys and 20s and 30s in the mountains) along with the breezy east winds making it feel even colder. Winds across the Sierra crest could gust 60-80 mph late Wednesday night through Thanksgiving Day, with rough waters on Lake Tahoe and ski area impacts possible. We have issued a Lake Wind Advisory for Lake Tahoe to account for this.

The upslope flow could produce a few very light snow showers in the eastern Sierra tonight into Thanksgiving Day, however, moisture is lacking, so anticipate not much more than flurries.

It will remain cool on Friday with low level easterly flow and developing inversions in place, but we will see a warming trend into the weekend. -Dawn

LONG TERM. Saturday through the first week of December .

Not much change to the long term forecast this cycle besides for increasing Sierra ridge winds a bit for Monday into early Tuesday. High pressure ridging looks to be the predominant feature for this weekend with light winds, clear to partly cloudy skies, average daytime high temperatures, and chilly nights. Expect air stagnation during this time for our western Nevada valleys due to surface inversions and light winds leading to poor ventilation under these stable conditions.

By Monday into Tuesday of next week, model guidance continues to suggest a weak trough impacting the Sierra and western Nevada. Both deterministic models (GFS & ECMWF) this morning show the potential for a cut-off low pushing into the region from the west during this time period. However, ensemble guidance is less aggressive with only a weak trough passing through. The ECMWF ensemble has quite a few members suggesting an uptick in winds for Monday into early Tuesday, but can't say the same for precipitation as most QPF members show very little if any amounts at this time for the Sierra and northwest Nevada. Based on this current data, anticipate some increase to winds to close the month with cooler temperatures.

For the remainder of next week, most of our long term forecasting tools, including the Climate Prediction Center's 6-10 day forecast, suggest average to above average temperatures with mostly dry conditions across the region as high pressure looks to be in control once again. -LaGuardia

AVIATION.

Winds aloft have increased as expected overnight, with sustained westerly winds around 35-45 kts at FL100. This is likely to bring turbulence and winds shear to the region this morning along with mountain wave activity east of the Sierra crest. Most terminal sites should see peak winds gusting 15-25 kts today.

A few snow showers will also be possible north of a KSVE-KWMC line this morning, with very light showers possible farther south along the eastern Sierra and northwest Nevada today as a front pushes south through the area. Amounts will be light with minimal accumulation. Still, this could bring a brief duration of terrain obscuration along with reduced ceilings and visibility (primarily Tahoe Basin terminals).

East winds to follow late tonight into Thanksgiving Day, lasting into Thursday night. Expect turbulence along the Sierra crest westward with FL100 winds peaking around 30-40 kts. -Dawn

REV Watches/Warnings/Advisories. NV . Lake Wind Advisory from 4 AM to 7 PM PST Thursday for Lake Tahoe in NVZ002.

CA . Lake Wind Advisory from 4 AM to 7 PM PST Thursday for Lake Tahoe in CAZ072.



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, CA10 mi87 minSSE 8 G 1610.00 miFair37°F26°F65%1017.9 hPa
Emigrant Gap, Blue Canyon Nyack Airport, CA20 mi73 minSSE 88.00 miFair37°F32°F82%1017.4 hPa

Link to 5 minute data for KTRK

Wind History from TRK (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm--CalmCalmSE5CalmCalmCalmCalmCalmSW3CalmS14S11SE10
1 day agoCalmN3CalmCalmCalmCalmCalmCalmCalmCalmN6CalmN7CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalm----S6SW9
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CalmE3S3CalmCalmW16
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NW3CalmNW8CalmCalm

Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
Click for Map
Wed -- 02:27 AM PST     Moonset
Wed -- 03:27 AM PST     2.02 feet High Tide
Wed -- 06:59 AM PST     Sunrise
Wed -- 11:02 AM PST     0.15 feet Low Tide
Wed -- 02:44 PM PST     Moonrise
Wed -- 04:04 PM PST     2.74 feet High Tide
Wed -- 04:46 PM PST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.511.6221.81.51.10.80.50.20.10.411.82.42.72.62.31.91.410.60.3

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
Click for Map
Wed -- 02:17 AM PST     2.02 feet High Tide
Wed -- 02:27 AM PST     Moonset
Wed -- 06:59 AM PST     Sunrise
Wed -- 09:32 AM PST     0.15 feet Low Tide
Wed -- 02:44 PM PST     Moonrise
Wed -- 02:55 PM PST     2.74 feet High Tide
Wed -- 04:47 PM PST     Sunset
Wed -- 10:33 PM PST     0.13 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.7221.71.410.60.40.20.20.61.322.52.72.62.21.81.30.80.40.20.2

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
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.