Sunday, August9, 2020
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Marine Weather and Tides
Furnace Creek, CA

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 5:56AMSunset 7:42PM Sunday August 9, 2020 12:50 PM PDT (19:50 UTC) Moonrise 11:13PMMoonset 11:36AM Illumination 67% Phase: Waning Gibbous; Moon at 21 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 Furnace Creek, CA
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location: 36.41, -116.88     debug


Area Discussion for - Las Vegas, NV
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FXUS65 KVEF 091633 AFDVEF

Area Forecast Discussion National Weather Service Las Vegas NV 933 AM PDT Sun Aug 9 2020

SYNOPSIS. Warm, dry and breezy conditions are expected through much of the upcoming week. Without any significant precipitation on the horizon, the main concerns will be elevated wildfire spread risks along with continued mid-summer heat.

UPDATE. Another hot, dry day with temperatures a couple degrees above normal. Only concern in the near term remains handling of smoke and haze from regional fires. No updates really needed this morning.

SHORT TERM. through tonight. Yet another benign weather day expected today. The main concern remains smoke/haze from the Apple Fire. Satellite loop from yesterday evening showed a much less extensive plume than 24 hours earlier, so went with less coverage of smoke and haze in the grids. Otherwise, temperatures will be slightly above normal at most stations, and winds will be light.

LONG TERM. Monday through Friday. As mentioned in the last several forecasts, the main concern will continue to be magnitude of winds and heat throughout the week. On the heat side, through much of the week, the VEF CWA will be caught in weak southwest flow with the stubborn sub-tropical ridge in the southwest positioned well to the east. Without much significant change in thicknesses throughout the period, temperatures vary . very little. Both the MEX and ECE guidance show KLAS varying only 1-2 degrees each day through Thursday. So from a temperature perspective, it will seem very "rinse and repeat", or "dry clean and repeat" since we haven't had much water in the air for quite some time. Beyond Thursday, the pattern begins to shift somewhat. Ensemble clustering shows a decreasing contribution to a deeper Pacific low translation late in the week (and this is also reflected in the latest 00Z run) and instead a longwave trough well to the north. This does allow the subtropical ridge to broaden and shift slightly westward. While this won't do much for precip chances, it could be enough to push temperatures up a few degrees starting Friday and into the weekend.

Otherwise, wind will be the closest thing to watch for due to its implication for wildfire spread. Just about all guidance has shown a slight uptick in wind potential Monday and Tuesday afternoons for the eastern third of the CWA at least. While ensemble means continue to show below RFW criteria winds, MOS guidance at KIGM where slightly better 700-925mb flow is depicted, shows sustained winds eclipsing 20 kts possibly Monday and Tuesday. This is still on the upper end of the ensemble envelope so opted to blend the NBMEXP with CONSMOS to nudge winds up a bit. This gets us to near critical thresholds for Monday and especially Tuesday afternoon for parts of Mohave County. Do not have the confidence to go with any watch at this point, but something to watch moving forward. This borderline nature of the afternoon breezes will be something we contend with each afternoon and enough to safely say elevated fire risks will continue through the week.

AVIATION. For McCarran . Quiet weather expected with light winds following typical diurnal trends with drifting smoke from southern California wildfires intermittently interrupting otherwise blue skies. No operationally significant weather expected. For the rest of southern Nevada, northwest Arizona and southeast California . Outside of lingering afternoon breezes in northwest Arizona and up the Colorado River Valley, light winds following diurnal trends expected. Smoke from southern California wildfires will continue to impact mainly southeast California, with periods of CIGs or VIS reductions possible at KDAG, elevated AOA 10 Kft elsewhere.

SPOTTER INFORMATION STATEMENT. Spotters are encouraged to report any significant weather or impacts according to standard operating procedures.

UPDATE . Steele SHORT TERM . Morgan LONG TERM . TB3 AVIATION . Steele

For more forecast information . see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mercury, Desert Rock Airport, NV48 mi57 minno data10.00 miFair96°F17°F5%1011.8 hPa

Link to 5 minute data for KDRA

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Last 24hr6SW10
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SW11W10W6N5NE4NE3NE4CalmCalmSE3CalmE6E5CalmCalmCalmCalm----
1 day agoSW10SW7
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W13W9SW7N4NE7NE7E4NE6CalmE4CalmE4NE4CalmNE34SE124
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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 Southwest    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 Las Vegas, NV (15,3,4,5)
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Ground Weather Radar Station Edwards AFB, CA
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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.