Monday, May20, 2019 L-36.com


Marine Weather and Tides
Carson City, NV

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 5:40AMSunset 8:10PM Sunday May 19, 2019 11:28 PM PDT (06:28 UTC) Moonrise 9:14PMMoonset 6:31AM Illumination 99% 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 Carson City, NV
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location: 39.15, -119.74     debug


Area Discussion for - Reno, NV
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Fxus65 krev 200444 aaa
afdrev
area forecast discussion... Updated
national weather service reno nv
944 pm pdt Sun may 19 2019

Update
Changes this evening include lowering temperatures a couple more
degrees in a few spots across western nv and decreasing pops for
this evening.

Showers have ended for the most part across the eastern sierra
and the best chance for showers will be across northwest nv and
the basin and range overnight as the back side of the upper low
moves across northern nv. We lowered or eliminated pops south of
reno-tahoe. Clouds have broken quite a bit allowing for some spots
to drop into the upper 30s to around 40 already from reno-carson
city-minden. Fortunately, winds were keeping temperatures from
dropping too much more this evening. The main question continues
to be how much wind and cloud cover will persist overnight.

Satellite cloud trends and model sounding profiles suggest there
could be enough clearing from the carson city area southward to
the mason smith valleys for temperatures to drop closer to 30
degrees, especially late tonight when the gradients relax a bit
more and winds fall back. If you haven't covered sensitive plants
or brought animals sensitive to the cold inside already, you
should take steps to do so now rather than take the risk that
temperatures favor the low end of the possible range. Hohmann

Previous discussion issued 300 pm pdt Sun may 19 2019
synopsis...

a series of storms will keep high temperatures well below average
along with periods of breezy winds, rain, and mountain snow through
next week. Travel impacts from snow are expected in the sierra Monday
night through Tuesday morning. Cool showery weather will continue
through at least memorial day, but snow levels are forecast to be
above 7000-8000 feet after Tuesday.

Short term...

ok, I know many of you don't want to hear this (and a few are
excited), we issued another winter weather advisory for the tahoe
area Monday night into Tuesday. I'm not going to promise, but
this should be the last snow advisory for the 2019 winter that
doesn't want to quit. No other major changes were made to the
forecast.

The main forecast challenge today continues to be the threat for
sub-freezing temperatures to impact a few agricultural areas. Most
of our simulations have been forecasting breezy overnight winds
and substantial cloud cover that would inhibit temperatures
dropping below freezing. But, if clouds clear and winds die down
overnight this is still a possibility.

The overnight low temperatures for most of the agricultural areas
and in western nevada, and the reno metro area, is to bottom out
in the mid 30s. The one area that that has the biggest threat for
sub-freezing temperatures is from carson city, south into the
minden area, and out into smith mason valleys. We don't yet have
probabilistic temperature forecasts but I would put the chance for
freezing in any of those valleys around 30-40%.

Currently there are a few thunderstorms in west-central nevada
and numerous thunderstorms moving through the bay area and into
the california central valley. The storms in california could
bring some more light snow showers to the sierra crest, but this
should be minimal amounts and likely limited to the west slopes.

The next storm moves in tomorrow night with another 3 to 7 inches
of snow expected above 7000 feet with an inch or two possible down
around 6000 feet possible. We didn't issue an advisory for mono
county because there is less snow expected in the eastern sierra
and the system is moving through mono county closer to Tuesday
morning. This should help prevent snow from sticking to passes
along the 395 corridor.

We did also issue a lake wind advisory for pyramid lake tomorrow
morning when northwest winds are expected to be gusting to around
30 mph and well aligned with the lake fetch. -zach
long term...

the biggest change was to add a slight chance of thunder for Friday,
Saturday, and Sunday.

The upper level low that drops through the area Tuesday will slowly
meander eastward. The position of the low will give just enough lift
for afternoon showers each day. A slight chance of thunder was added
on Friday, since the low will be sitting in a position that is known
to generate a few thunderstorms and less cloud cover will allow for
more daytime heating.

As the upper level low finally moves out of the area, another one
looks to drop down Saturday into Sunday. Expect widespread clouds
and showers to return. Snow levels will be higher than the storms
we've seen this past week, so accumulations should only occur at the
higher elevations, with few impacts. A slight chance of thunder was
also added Saturday and Sunday. Models are currently showing not-
insignificant instability for this area, particularly on Sunday.

This instability, combined with the lift generated by the low and
available moisture could generate a few thunderstorms. It's still
too early to pinpoint exact locations; however, it will be memorial
day weekend, so many will have outdoor plans. It's never too early
to start thinking about what precautions to take to prevent getting
caught in a thunderstorm.

There are still no signs of this pattern letting up, so it's likely
we'll stay cooler through the beginning of june... Cassie
aviation...

a few showers will continue into this evening, but it will remain
vfr overall. Localized MVFR vis in -shsn in the sierra through 03z.

Winds will continue to gusts to 25 kts this evening from the west,
becoming more NW overnight, but diminishing for the terminals. One
exception will be kmmh and klol where winds will continue overnight.

More w-nw winds tomorrow, gusting to 25-30 kts after 23z Monday as
the next storm moves in. Mtn wave turbulence and local llws is also
anticipated, and it will continue into Tuesday. Widespread MVFR ifr
in the sierra after 08z Tuesday in -sn with occasional MVFR along
the 395 corridor for western nv in -ra. The worst conditions should
end around 18z.

Unsettled weather will continue through the memorial day weekend,
but the storms that do arrive do not appear to be as cold or as
strong at this time. What will change is a better opportunity for
thunderstorms as we head into next weekend. X

Rev watches warnings advisories
Nv... Lake wind advisory from 6 am to noon pdt Monday for pyramid lake
in nvz004.

Winter weather advisory from 8 pm Monday to 10 am pdt Tuesday
nvz002.

Ca... Winter weather advisory from 8 pm Monday to 10 am pdt Tuesday
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
Carson City Airport, NV3 mi54 minN 010.00 miFair37°F21°F52%1008.8 hPa
South Lake Tahoe, Lake Tahoe Airport, CA22 mi36 minN 010.00 miFair29°F26°F89%1009.6 hPa
Truckee-Tahoe, CA24 mi54 minN 010.00 miFair28°F24°F86%1010.5 hPa

Wind History from CXP (wind in knots)
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Last 24hrCalmNE44CalmCalmCalmCalm5NW6W6
G17
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G21
SE88
G14
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G24
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W5Calm4CalmCalm
1 day agoE3CalmCalmCalmCalmCalmCalmCalmSW3CalmE343W5S10
G18
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W834
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Calm
2 days agoS5
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SW11SW7
G20
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G14
SW45
G11
CalmNW10W11SW9
G15
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G16
W12W11
G20
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G16
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G17
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G16
NW9SW4E3NE4

Tide / Current Tables for
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Weather Map and Satellite Images
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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.