Tuesday, March19, 2019 L-36.com


Marine Weather and Tides
Soda Springs, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:04AMSunset 7:12PM Tuesday March 19, 2019 3:44 PM PDT (22:44 UTC) Moonrise 4:50PMMoonset 5:36AM 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 Soda Springs, CA
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location: 39.31, -120.33     debug


Area Discussion for - Reno, NV
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Fxus65 krev 192111
afdrev
area forecast discussion
national weather service reno nv
211 pm pdt Tue mar 19 2019

Synopsis
Mild conditions continue today with increasing clouds ahead of an
approaching storm system. This system will move slowly east and
bring cooler conditions with valley rain and mountain snow showers
tonight through Thursday. A few thunderstorms are also possible
Wednesday afternoon and evening. After a short break Thursday
night and Friday, another round of showers is possible Saturday.

Short term
No major changes to the overall forecast thinking today. Cloudless
skies from the last few days are being replaced by increasing
high level clouds this afternoon ahead of an incoming cold front
currently located off the california coast.

Overall this is a pretty weak storm, but will have some
thunderstorms embedded creating the potential for isolated areas
of heavier snow rain. Minor snow impacts are probable along the
higher passes tonight through Wednesday night with light snow
accumulations possible down to around 5500-6000 feet Wednesday
night. Western nevada can expect on and off rain showers over the
next 48 hours with bands of moderate to heavy rain possible. Some
areas in western nevada could pick 0.5-1+ inch of rain but these
areas are not expected to be widespread.

As this storm moves into the region it will continue to weaken and
the upper level trough will continue to become more negatively
tilted. There is also very little in the way of jet stream winds
associated with this storm. What does that mean for us? It means
the flow aloft will predominately be from the southeast creating
less orographic forcing then usual. This also means much of the
precipitation with this system will be from upper level diffluence
and convection instead of our usual orographic forcing. This
makes it very difficult to pin down exactly where the heaviest
precipitation will be. Some current model simulations have this
area directly over the reno carson area, but it could just as
easily be 50 miles farther east.

It will be pretty breezy in western nevada this evening through
through tomorrow morning as the surface gradient strengthens. Most
areas should MAX out around 30 mph gusts, but some gusts to 45 mph
are possible in wind prone areas like walker lake.

By Thursday, showers will become weaker and more isolated in
nature as weak shortwave ridging briefly develops ahead of the
next system. Most of the day on Friday should be precipitation
free, so if you're looking for a snow rain free window to cross
the sierra, Friday afternoon may be a good opportunity. -zach

Long term Saturday into next week...

a colder and quick moving trough is poised to move through northern
california and nevada Friday night into Saturday. This shortwave
looks to have a weak subtropical moisture tap which will provide
mountain snow and spillover rainfall across western nevada valleys
through Saturday afternoon.

The quick storm motion should limit snowfall accumulations and
mainly in the scope of a few inches above 6500-7000 feet Friday
night with snow levels falling near 5000 feet by Saturday morning.

Snow may have difficulty accumulating on roadways but conditions may
still be slick and slushy across NE ca and the tahoe basin. For
western nv, there is a low chance for slick travel conditions above
5000 feet Saturday morning but should be mainly rain with some
periods of rain snow mix through the day Saturday. Rain amounts of a
few tenths are looking possible for pershing and churchill counties
with generally less than a tenth across the sierra front.

Most shower activity diminishes by Saturday evening with a break in
the weather through at least Monday when a cut-off low develops
offshore and looks to provide rain and mountain snowfall along with
gusty winds. Timing and track uncertainties are higher than average
due to the weak steering flow associated with cut-off lows. However,
did increase precipitation chances and winds early next week as the
storm begins to push into northern california. Fuentes

Aviation
An incoming low pressure system will provide widespread mountain
terrain obscuration from increasing clouds along with periods of
MVFR ifr conditions at the terminals as precipitation begins to
move into the sierra tonight after 07-08z. Snow levels are expected
to be in the 6000 to 7000 foot range. Snow accumulations of 1-3
inches are possible around kmmh tonight into Wednesday morning, with
an inch or two possible at ktvl. Increasing instability Wednesday
afternoon will create the possibility of a few thunderstorms as
well, most likely well north and east of krno.

Gusty east and southeast winds across the sierra ridgetops are
expected to peak through this evening with areas of turbulence
possible along and downstream of the sierra. Winds at the surface
will remain breezy from a gerlach-lovelock-fallon line where
northeast winds around 10-15 kts are possible through Wednesday
morning. Southerly flow across sierra terminals and krno kcxp could
see gusts in the 25-30kt range this evening through Wednesday
morning before weakening through the afternoon. Fuentes

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
Truckee-Tahoe, CA10 mi1.8 hrsSSE 1210.00 miClear48°F26°F43%1017.3 hPa
Emigrant Gap, Blue Canyon Nyack Airport, CA20 mi2.9 hrsSSE 610.00 miA Few Clouds53°F30°F41%1012.4 hPa

Wind History from TRK (wind in knots)
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Last 24hrSW5W7SW5SW6SE4CalmS3CalmCalmCalmCalmCalmCalmCalmCalmE6CalmCalmCalm--CalmSE12
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1 day ago----W6W3SE3CalmCalmS3CalmCalmCalmCalmCalmCalmCalmCalmCalm----CalmCalmCalmE3SW9
2 days agoN7N6N6NE4SE4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm--CalmCalmSE3E3

Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
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Tue -- 02:19 AM PDT     -0.13 feet Low Tide
Tue -- 06:38 AM PDT     Moonset
Tue -- 07:05 AM PDT     2.75 feet High Tide
Tue -- 07:11 AM PDT     Sunrise
Tue -- 02:11 PM PDT     0.46 feet Low Tide
Tue -- 05:55 PM PDT     Moonrise
Tue -- 06:31 PM PDT     3.20 feet High Tide
Tue -- 07:16 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.1-0.100.71.62.42.72.62.31.81.30.90.60.50.71.52.53.13.22.92.51.91.3

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
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Tue -- 12:49 AM PDT     -0.13 feet Low Tide
Tue -- 05:56 AM PDT     2.75 feet High Tide
Tue -- 06:38 AM PDT     Moonset
Tue -- 07:11 AM PDT     Sunrise
Tue -- 12:41 PM PDT     0.46 feet Low Tide
Tue -- 05:22 PM PDT     3.20 feet High Tide
Tue -- 05:56 PM PDT     Moonrise
Tue -- 07:17 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0-0.10.211.92.52.72.62.21.71.20.80.50.511.92.73.23.12.92.41.71.10.6

Weather Map and Satellite Images
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wmap_P
GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Reno, NV (18,4,5,8)
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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 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.