Thursday, August6, 2020
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Marine Weather and Tides
Yerington, NV

Version 3.4
NOTICE
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 6:00AMSunset 8:05PM Thursday August 6, 2020 6:30 PM PDT (01:30 UTC) Moonrise 10:06PMMoonset 8:52AM Illumination 90% Phase: Waning Gibbous; Moon at 18 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 Yerington, NV
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location: 39.15, -119     debug


Area Discussion for - Reno, NV
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FXUS65 KREV 062048 AFDREV

Area Forecast Discussion National Weather Service Reno NV 148 PM PDT Thu Aug 6 2020

SYNOPSIS.

Near or slightly below average temperatures through Friday will be followed by some warming this weekend into early next week. Thunderstorm chances return Friday and continue each afternoon through next Tuesday, mainly near the Sierra through at least the weekend. Thunderstorm chances decrease with a possible cooling trend by the middle of next week.

DISCUSSION.

No notable change to the forecast for the next week. Main forecast item of note will be the potential for isolated to locally scattered afternoon and evening thunderstorms in the Sierra out into portions of far western NV Friday through Monday or Tuesday. Read on for more details regarding temperatures, winds, and thunderstorms.

* TEMPERATURES:

Temperatures to remain near to slightly below average through Friday as cooler air has filtered into the region with a weak baggy trough moving into California (the southern end of a stronger low over the Pacific Northwest). Highs will remain into the 80s for Sierra valleys, with 90s (near 100 west-central NV) for lower valleys, for the weekend into the first part of next week. A cool down (~4-8 degrees) is expected for the latter half of next week as another trough moves into the Pacific Northwest. While the exact strength and southern extent of the trough remains in question, it should only make a minimal temperatures difference for the region.

* WINDS/FIRE WEATHER:

Fairly typical zephyr breezes are expected today with gusts generally in the 20-30 mph range; locally critical fire weather conditions are possible for a couple hours early this evening. Afternoon and evening winds are expected to diminish some Friday through the weekend as thermal gradients relax between the Central Valley of California and the Great Basin.

Winds based on guidance from the NBM and ECMWF ensemble indicate another increase in breezes for the early to middle portion of next week as the aforementioned trough moves into the Northwest CONUS. This will bring an increase in concern for fire weather; however, right now it doesn't look more than a lower-end concern regarding wind/RH potential.

* THUNDERSTORMS:

A few buildups are possible mid-afternoon through early evening in Mono County (most likely along or east of Hwy 395) and out into Mineral and southern Lyon counties, with a couple cumulus buildups also possible in Lassen County (east of Lassen Peak). Thunderstorm potential is low (~10%); however, it is not zero so keep an eye to the sky if you are in these areas. As far as strength, we do not expect any storms like the beast in northern Washoe County yesterday as forcing is weak.

Moving on to Friday through Sunday, storm chances increase some in and near the Sierra as weak flow aloft near the upper trough axis allows convection a better chance to build over higher terrain with daytime heating. The best shot for a few storm north of I-80 looks to be Friday as by the weekend the flow aloft and position of the weak trough axis shifts to favor areas farther south. Storm strength look to remain generally modest although a stronger storm or two is always possible if more favorable forcing is found via small-scale storm interactions (unpredictable). In any case, heavy rain will be a threat as storms are expected to move very little. This raises the concern for localized flooding, mainly in and near burn areas where runoff could be enhanced.

Early next week, the threat for thunderstorms spreads across more of the region (possibly father into western and west-central NV) as zephyr breezes, and possible focus for thunderstorms, increase in response to tightening thermal gradients between CA-NV. Storm strength could increase somewhat given better overall focus for storms. At first glance, heavy rain (storms still fairly slow- moving), pea to dime sized hail, and wind gusts over 50 mph are all possible. Also, the fire concern will increase as the coverage of lightning expands over more of the region. -Snyder

AVIATION.

VFR conditions will prevail today with a few cumulus buildups this afternoon, mainly in the eastern Sierra and far western Mineral County between Highways 395 and 95. There is a small chance (~10%) late this afternoon for these cumulus buildups to develop into a thunderstorm. Winds today will be typical for summer with southwest to west breezes developing this afternoon (peak gusts 20-25 kts).

As we go into Friday and over the weekend, afternoon breezes are expected to relax (gusts ~15 kts or less). Thunderstorm chances increase, especially for the Sierra and far western NV south of Highway 50 and west of Highway 95. Still, thunderstorms are expected to remain fairly isolated east of the Sierra crest through the weekend. -Snyder/JCM

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
Fallon, Naval Air Station, NV25 mi34 minVar 510.00 miA Few Clouds92°F25°F9%1007.8 hPa

Link to 5 minute data for KNFL

Wind History from NFL (wind in knots)
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Last 24hrN8W13W16
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NW12W105W7W4W4S5W5S6S5W5W9Calm5333W8455
1 day agoN8N8NW8W10W95CalmCalmSW3SW3SW5SW4CalmW5W11W10W5W7W84N755NW6
2 days ago55NW6NW8NW8N8SE5E7S3S6SE6CalmS5SW5NW6N654N5435W7NW8

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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
Wind Forecast for Reno, NV (21,6,7,8)
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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 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.