Sunday, July5, 2020
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Marine Weather and Tides
Darwin, 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 5:39AMSunset 8:11PM Sunday July 5, 2020 12:32 PM PDT (19:32 UTC) Moonrise 9:03PMMoonset 5:57AM Illumination 100% Phase: Full Moon; Moon at 15 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 Darwin, CA
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location: 36.33, -117.48     debug


Area Discussion for - Las Vegas, NV
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FXUS65 KVEF 051740 AFDVEF

Area Forecast Discussion National Weather Service Las Vegas NV 1040 AM PDT Sun Jul 5 2020

SYNOPSIS. Dry conditions, breezy afternoons and temperatures hovering around seasonal averages will persist for the remainder of the weekend and through the work week. Winds will peak on Tuesday resulting in increased fire danger.

UPDATE. No updates needed this morning, with clear skies, light afternoon breezes and temperatures running within a few degrees of seasonal averages.

DISCUSSION. Today through next Sunday.

The pattern that will carry out the remainder of the holiday weekend and persist through the work week will create a "copy and paste" forecast. In other words, very little day-to-day change is expected with the exception of the magnitude of afternoon breezes.

An area of high pressure will build and linger to our southeast. Meanwhile, a parade of troughs will pass to our north. Sandwiched in between these two phenomena, our region will experience both warm temperatures and breezy afternoons.

Afternoon highs will hover 3-5 degrees above seasonal averages through the forecast period. Though these temperatures remain below Excessive Heat Warning criteria, the lower deserts and valleys will experience afternoon highs well into the triple-digits. As a result, heat-related precautions should still be taken, particularly for sensitive populations and those in town for the holiday who aren't accustomed to the heat. These precautions include but are not limited to wearing light-colored, loose-fitting clothing, limiting outdoor activity to the cooler parts of the day and staying hydrated.

Breezy afternoons will result from passing shortwaves to our north. The most potent of the shortwaves will pass through on Tuesday, which will be our windiest day with gusts 30-35 mph expected, particularly in the higher elevations. These gusts coupled with relative humidities in the single-digits will increase the risk of fire danger Tuesday afternoon. As a result, a Fire Weather Watch is in place for Mohave, Clark and Lincoln counties, which remains in good shape. Decided to hold off on upgrading to a Red Flag Warning for now. Despite critical RH values, just 2 ECMWF Ensemble members indicate winds will gust to 35 mph with the ECM MOS Guidance showing 90th percentile winds only as high as 25 mph. The larger concern will be the sustained winds of 20 mph throughout the afternoon. Over the next few shifts, we will continue to look at local hi-res models as well as assess potential impacts to determine if an upgrade is warranted.

This weather pattern is expected to continue for the majority of the forecast period. The end of next weekend into the following work week has quite a bit of uncertainty. Depending on the location of this meandering high pressure, we will either remain a continuous dry, or we will see PWAT values in excess of 1" creep up the Colorado River Valley as a monsoonal pattern works to set up.

FIRE WEATHER. Afternoon breezes and dry conditions will continue this week, with winds peaking on Tuesday. As a result of increased wildfire danger, a Fire Weather Watch remains in effect for portions of southern Nevada and northwestern Arizona. Afternoon relative humidity values will bottom out in the single digits with overnights only recovering to the mid-to-upper teens.

AVIATION. For McCarran . Light southerly winds overnight will become light and variable by morning. Southerly winds are expected develop once again this afternoon at around 10 knots and a bit stronger on Monday afternoon, closer to 15 knots. No significant cloud cover is expected through the period.

For the rest of southern Nevada, northwest Arizona and southeast California . Winds will follow diurnal trends overnight through this morning before south to southwest winds take over once again during the afternoon generally at 10 to 15 kts. Slightly stronger winds are expected on Monday afternoon from the south to southwest at 15-20 kts. No significant cloud cover is expected through the period.

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

UPDATE . Steele DISCUSSION . Varian AVIATION . Czyzyk

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
China Lake, Naval Air Facility, CA46 mi37 minVar 5 miFair97°F30°F9%1011.7 hPa

Link to 5 minute data for KNID

Wind History from NID (wind in knots)
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Last 24hr--5SE8S9
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W7W5SW9SE5S6SW5SW4SW63CalmW6W6CalmN3CalmCalm35
1 day agoSE10S12S14
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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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weather_mapweather_map weather_map

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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.