Friday, March22, 2019 L-36.com


Marine Weather and Tides
Truckee, 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 7:00AMSunset 7:14PM Thursday March 21, 2019 11:58 PM PDT (06:58 UTC) Moonrise 7:17PMMoonset 6:47AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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 220308
afdrev
area forecast discussion
national weather service reno nv
808 pm pdt Thu mar 21 2019

Update
We issued a minor update to reduce pops east of highway 95 late
this evening and overnight. Showers are rapidly decreasing in
areal coverage. This trend should continue through the night as
we see a weak shortwave ridge develop then move east Friday.

There is a chance for freezing fog in the martis valley late
tonight if clouds break up a bit more. That could result in ktrk
having a visibility less than 1 mile by morning.

Previous discussion issued 240 pm pdt Thu mar 21 2019
synopsis...

a few showers will linger this afternoon, clearing overnight.

Another storm moves in Friday bringing light snow accumulations
down to 5000 feet by Saturday morning. After a brief break on
Sunday, another storm is possible by Monday with gusty winds,
valley rain, and mountain snow heading into the middle of next
week.

Short term... Now through Monday night...

broad area of low pressure remains centered over central and
southern nevada keeping clouds, cooler temperatures, and a few
showers across the region. Isolated thunderstorms along with
possible snow pellets, are possible this afternoon, but the
better coverage is more likely to be into eastern nevada.

We'll see a brief break tonight into Friday morning, before a
colder storm moves in Friday afternoon into Saturday. While
lighter showers could start as early as midday Friday, the most
likely travel impacts will be from around 9 pm Friday night
through 9 am Saturday morning. Mountain snow showers may continue
through the day Saturday, however, with the Sun angle this time of
the year, roads are less likely to be snow covered for long, if
at all. Liquid totals along the sierra crest are likely to be
around 0.75" with the speed of the system being the limiting
factor. Ensemble guidance is suggesting spillover into western
nevada Saturday morning with 0.10-0.3" of QPF possible. The
highest totals are favored near and east of us-95.

This storm could bring snow levels down to around 5000 feet near the
i-80 corridor (4500 feet closer to oregon border, and about 5500
feet closer to mono mineral counties). This means light
accumulations are possible in the foothills of western nevada,
including virginia city and the highlands, in addition to mountain
passes, by daybreak Saturday.

A shortwave ridge builds in Saturday night into Sunday before
another system approaches the region early next week. A leading
shortwave could bring rain and snow chances to the region by Monday
with the best chances currently looking to be through the tahoe
basin north into northeastern california and northwest nevada. While
we will see a few degrees of warming for the latter half of the
weekend into the early part of next week, temperatures will remain
near to slightly below normal. -dawn
long term... Tuesday through next week...

only a short break in precipitation, or just a lull for the sierra,
is anticipated early Tuesday before the strongest storm of the
series is forecast to move into the region Tuesday night into
Wednesday.

Confidence is relatively high for day 6 and 7 due to very good
agreement in recent deterministic and ensemble model runs. All major
ensemble forecast systems are in good agreement on the large area of
low pressure moving into the western us during the middle of next
week.

Main changes today were to increase pops and QPF Tuesday night into
Wednesday as the low pressure moves into the sierra. Current
expectations are for a relatively wet system with the potential for
another 1-2+ inches of QPF along the sierra crest Tuesday into
Wednesday. Spillover and snow levels aren't predictable at this
forecast lead time. However, the area of low pressure is large and
has a fairly cold core, so snow levels could be in the lower range
for this time of year. There are also good indications in the
extreme forecast index from the GEFS reforecast system of another
shot of good precipitation into western nevada as well.

While some of the details may change, another round of wet weather
is looking likely next week. So, if need to make preparations for
more wet weather, like fix your leaky roof like I need to, now is
the time. -zach
aviation...

precipitation is tapering off area-wide. The chance for scattered
showers will return this afternoon, mainly for areas east of fernley
and in mono county. A few weak thunderstorms with small hail are
possible, particularly in west-central nevada. Expect modest
northwest winds, with the exception of rno, which could see gusts up
to 20kts this afternoon.

There will be a brief break in the precipitation overnight tonight
and into Friday, before the next system moves in Friday evening into
Saturday. As usual this time of year, expect mountain snow, valley
rain, and mountain obscurations. Accumulations are possible in the
sierra terminals, but will be fairly light compared to other storms
this winter. Cassie

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, CA3 mi83 minN 010.00 miPartly Cloudy30°F26°F86%1019.6 hPa
Reno, Reno Tahoe International Airport, NV24 mi63 minNW 510.00 miA Few Clouds45°F28°F52%1016.6 hPa

Wind History from TRK (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm----Calm--W10
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1 day agoE3CalmSE3W9N4CalmCalmCalmCalmCalmNW5SW4CalmSW9
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2 days agoCalmCalmCalmCalmCalmCalmE6CalmCalmCalm--CalmSE12
G15
SE12SE10SE9SE11E9E3E12CalmSW4SW5E4

Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
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Fri -- 04:16 AM PDT     0.04 feet Low Tide
Fri -- 07:06 AM PDT     Sunrise
Fri -- 08:26 AM PDT     Moonset
Fri -- 08:53 AM PDT     3.03 feet High Tide
Fri -- 04:46 PM PDT     0.09 feet Low Tide
Fri -- 07:19 PM PDT     Sunset
Fri -- 09:14 PM PDT     2.91 feet High Tide
Fri -- 09:32 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.61.10.60.200.2122.832.92.521.40.90.40.20.10.61.62.52.92.82.5

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
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Fri -- 02:46 AM PDT     0.04 feet Low Tide
Fri -- 07:06 AM PDT     Sunrise
Fri -- 07:44 AM PDT     3.03 feet High Tide
Fri -- 08:26 AM PDT     Moonset
Fri -- 03:16 PM PDT     0.09 feet Low Tide
Fri -- 07:19 PM PDT     Sunset
Fri -- 08:05 PM PDT     2.91 feet High Tide
Fri -- 09:32 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.40.10.10.51.42.32.932.82.41.81.20.70.30.10.20.91.92.62.92.82.41.9

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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Wind Forecast for Reno, NV (2,6,7,8)
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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.