Sunday, July12, 2020
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Marine Weather and Tides
Spanish Springs, 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 5:40AMSunset 8:28PM Sunday July 12, 2020 11:33 AM PDT (18:33 UTC) Moonrise 12:31AMMoonset 1:02PM Illumination 52% Phase: Third Quarter Moon; Moon at 22 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 Topaz, CA
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location: 38.67, -119.53     debug


Area Discussion for - Reno, NV
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FXUS65 KREV 120959 AFDREV

Area Forecast Discussion National Weather Service Reno NV 259 AM PDT Sun Jul 12 2020

SYNOPSIS.

Typical hot and dry conditions for early July will persist through much of next week. Gusty afternoon winds combined with critically dry conditions will result in elevated fire weather concerns today with Red Flag Warnings in place. A return of showers and isolated thunderstorms is possible by Thursday.

SHORT TERM.

Another hot and dry day today with highs in the upper 90s to the triple digit mark for hotter basin valleys including Lovelock, Fallon, and Hawthorne. While this isn't record heat, its certainly a heads up day to take precautions to avoid heat-related illness by enjoying the outdoors early in the day, staying hydrated, and never leaving children or pets unattended inside vehicles.

Today is a Red Flag Warning day across the Sierra Front north of Minden into northern Washoe County and the Surprise Valley with hot, dry, and gusty conditions expected by mid afternoon. Overall, the peak wind gust for this afternoon will only be a little above typical zephyr values (25-35 mph), but recent heat and critically dry conditions will combine with the winds to make for an enhanced fire threat. For fire weather details please see the Fire Weather discussion below.

No significant changes in the large scale pattern heading into early next week as we should maintain our recent heat but with lessening winds Monday into Tuesday. No precipitation is expected at least through the first half of the week with mainly afternoon cumulus development possible across higher terrain in Mono, Mineral, and southern Lyon counties. Fuentes

LONG TERM. Wednesday through Saturday .

Weak ridging remains over the Southwest for the second half of the week, with weak low pressure developing just off the Central California Coast. Temperatures will be pushing above normal through the rest of the week with highs in the upper 90s across western Nevada and northeast California, even a few locations hitting the 100 degree mark in west-central Nevada. For the Sierra, temperatures will be pushing into the 80s.

With the weak low pressure developing off the California Coast, this should be just enough backing flow aloft over the Sierra to bring up some moisture into the Sierra. We have increased chances for isolated thunderstorms starting on Wednesday and continuing each afternoon and evening through the rest of the week, mainly over the typical Mono-Mineral convergence zone. Confidence isn't really high on thunderstorms, so only left them at a slight chance for areas mainly south of Highway 50. -Hoon

FIRE WEATHER.

. Red Flag Warning in effect for northwest Nevada and the Surprise Valley from 1 to 9 PM Today .

Concerns remain the winds today, focused on the Sierra Front north of Minden into northern Washoe County and the Surprise Valley. More consistent gusts of 30-35 mph are expected there with much more localized gusts elsewhere. A few wind prone locations will gust to 40 mph. RH will remain quite low, down to 5% in many valleys and in the teens for the Sierra.

Lighter winds Monday, more of a typical afternoon variety. Then overall fairly light winds for midweek from the northwest to northeast. Northeast winds could be locally gusty overnight in northern Washoe and northeast Pershing County each night. Temperatures will remain seasonably hot, and RH will improve slightly. There remains a threat for isolated thunderstorms beginning Wednesday and going through the end of the week, but confidence is not high at this time. -X/Hoon

AVIATION.

VFR conditions through early next week. Late afternoon and evening breezes are expected with gusts up to 30kts today. The strongest gusts will be over KRNO/KCXP/KMEV today between 21-03Z. The potential for thunderstorms returns to the forecast for the second half of the week, mainly south of Highway 50. -Hoon

REV Watches/Warnings/Advisories. NV . Red Flag Warning from 1 PM this afternoon to 9 PM PDT this evening NVZ420-458.

CA . Red Flag Warning from 1 PM this afternoon to 9 PM PDT this evening CAZ270.



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
Reno, Reno Tahoe International Airport, NV17 mi38 minN 010.00 miFair86°F30°F14%1013.7 hPa
Reno/Stead, NV18 mi38 minVar 510.00 miFair84°F24°F11%1022 hPa

Link to 5 minute data for KTVL

Wind History from TVL (wind in knots)
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Last 24hrNE9S14
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SW6CalmCalmCalmS3S3CalmS3CalmS3S3CalmS3CalmNE4NE7S8
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1 day agoNE9N75N6S8
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S9SW4CalmCalmCalmCalmS4S4S3S4S3S4S4S3E4NE53
2 days ago3S11
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SW5SW8S5S4CalmCalmS3S4S3S3S3S4S3CalmCalmNE6

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_P
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 (14,3,4,5)
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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.