Tuesday, January16, 2018 L-36.com


Marine Weather and Tides
Gabbs, NV

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:13AMSunset 5:00PM Tuesday January 16, 2018 1:15 AM PST (09:15 UTC) Moonrise 7:47AMMoonset 5:50PM Illumination 0% Phase: New Moon; Moon at 29 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 Gabbs, NV
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location: 39.42, -117.91     debug


Area Discussion for - Reno, NV
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Fxus65 krev 160450 aaa
afdrev
area forecast discussion... Updated
national weather service reno nv
850 pm pst Mon jan 15 2018

Update
Quick update to fine tune the "storm" tonight and Tuesday.

Satellite imagery showed shortwave trough moving into northern ca
with radar showing band of showers across far northwest ca. Trough
is looking weaker as it continues to move inland with higher
resolution models bringing some light QPF to the northern sierra
to northern nv late tonight and Tuesday morning. The main
deterministic model runs (00z NAM gfs) don't even bring more than
isolated showers to the tahoe basin between about 12z-18z. We
tapered pops a bit for southern areas and indicated a faster
drying trend Tuesday afternoon as most of the showers will be
exiting. In addition, gradients relax Tuesday afternoon and
evening and winds become lighter. Hohmann

Synopsis
Ridgetop winds are increasing ahead of a fast moving storm for
late tonight and Tuesday. A stronger and colder storm system will
bring gusty winds with snow and rain Thursday and Friday.

Previous discussion issued 317 pm pst Mon jan 15 2018
synopsis...

ridgetop winds are increasing this afternoon ahead of a fast-
moving storm for late tonight and Tuesday. A stronger and colder
storm system will bring gusty winds with snow and rain Thursday
and Friday.

Short term...

a ridge of high pressure will be replaced by a relatively weak
storm tonight into Tuesday morning. Sierra ridge gusts should be
in the 40-55 mph range this afternoon through Tuesday, and valley
wind gusts should increase to around 20-30 mph by Tuesday
afternoon evening. For storm total precipitation, we expect
0.50-0.75" near the sierra crest, and 0.25-0.50" in the tahoe
basin and across NE california. Amounts across western nv could
vary from a few hundredths in mineral county to 0.10-0.25" north
of i-80, especially as the storm is weak and may not spillover
efficiently into western nevada. Snow levels will be around 7,000
feet tonight and Tuesday morning, with up to 4 inches of snow
possible for areas above 7,000 feet. Precipitation with this
storm should be over by Tuesday evening with no showers expected
on Wednesday.

Wednesday will be a brief break between storms, but sierra ridge
gusts will be on the increase ahead of the next stronger storm.

Increasing gusty winds across sierra ridges to around 100 mph by
late Wednesday will result in the increased probability for
moderate-severe turbulence and wind shear in the lee of the
sierra. Jcm
long term... Thursday through Monday...

Thursday and Thursday night, a strong front will move through
northeast california and western nevada. The front will bring
strong, gusty winds followed by a period of moderate to heavy
mountain snow, with valley rain changing to snow behind the front.

After a break later in the day Friday through Saturday night, a
colder system arrives for Sunday into Monday, bringing the threat
for breezy conditions and notable snow for most elevations. The main
features of the long term have been broken out by element below.

* winds Thursday: bumped up winds substantially Thursday afternoon
and evening, especially for ridges and wind-prone areas along the
highway 395 corridor. Simulated cross-sections and soundings from
the GFS and NAM are showing a possible downslope event in the
immediate lee of the sierra within about 6 hours of the strong
cold frontal passage (fropa). Widespread gusts to 50 mph are
expected near and west of highway 95 Thursday afternoon and
evening, with gusts 65-75 mph possible in wind-prone areas along
interstate 580 and highway 395 between janesville and the mammoth
airport. Areas of blowing dust could be a minor-moderate concern
to the north and east of dry sinks. Winds should decrease
substantially for most areas with FROPA as strong flow aloft
allows for good spillover.

* precipitation Thursday-Friday: for northeast california and the
eastern sierra, potential QPF snowfall amounts are similar to
previous forecasts; basically, the Thursday-Friday system looks to
be a moderate winter storm with a brief moisture tap. With this in
mind, a winter storm watch has been issued for lassen county south
through the lake tahoe area with 1-2 feet of snowfall possible
above 6500 feet and 3-6 inches possible down to 4500 feet. Given
the strong front and significant winds aloft to push precipitation
east of the sierra, spillover potential into western and west-
central nevada looks good by Thursday evening and overnight into
Friday morning, at least for the several hour period along and
behind the FROPA (when the moisture tap is pointed directly at the
area). A quarter to 0.50" of precipitation looks reasonable for
far western nevada, with 0.10" to 0.25" farther out in the basin
and range.

* snow levels lower elevation snowfall: crashing behind cold front.

With decent flow aloft, moisture up to around 500 mb, and some
instability post-frontal snowfall into western nv looks pretty
good at this time. Several inches of snowfall is certainly
possible west of interstate 580 highway 395 Friday morning, with
some accumulation possible down to valley floors. Friday morning's
commute in western nevada may be dicey.

* Sunday-Monday: definitely bears watching but details still to be
hashed out. The system should start out colder than Thursday's so
more substantial snowfall possible down to lower valley floors.

Late Sunday into Monday morning could bring travel headaches. Stay
tuned!
-snyder
aviation...

the shortwave trough from the west is on track to impact the region
for late tonight into Tuesday. High to mid-level clouds will
continue to increase throughout the day with a pick up in the winds
of up to 15 kts with gusts of up to 20 kts.VFR conditions will
stand for all terminals through late this evening.

As the weak system makes its way through the sierra, a period of
MVFR conditions can be expected between 09-18z Tuesday for
ktrk ktvl. Light rain and mountain snow is forecast leading to
mountain obscuration and icing possibilities. Winds will also be a
slight issue as the associated cold front moves through gusting up
to 25 kts at area terminals with ridge gusts of up to 50 kts. Due to
the gusty southwest flow, mountain turbulence is expected along and
downwind of the sierra crest.

By Thursday, a more potent winter system is projected to arrive with
strong winds and heavy mountain snow. Turbulence and wind shear is
expected for Thursday into Friday along with varying snow
accumulations at all area terminals. -laguardia

Rev watches warnings advisories
Nv... Winter storm watch from Thursday afternoon through Friday
afternoon nvz002.

Ca... Winter storm watch from Thursday afternoon through Friday
afternoon 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

Wind History from NFL (wind in knots)
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Last 24hrSW3SE3CalmCalm555N5NE4NE5NE5NE5CalmCalmCalmCalmS4S4SW5CalmSE6E4CalmCalm
1 day agoCalmCalmCalmCalmCalm3CalmCalmNE3N4NE6NE4NE4CalmW4--S3S3S4S3CalmCalmCalmCalm
2 days agoCalmS4CalmCalmCalm4NE5NE5N6N4NE3NE5CalmS3CalmS4SE6SE4S5E3CalmS3S3S3

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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Weather Map
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IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for Reno, NV (4,6,7,8)
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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.