Thursday, July16, 2020
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Marine Weather and Tides
Lake Havasu City, AZ

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 5:35AMSunset 7:51PM Thursday July 16, 2020 9:23 AM MST (16:23 UTC) Moonrise 2:09AMMoonset 4:25PM Illumination 14% Phase: Waning Crescent; Moon at 26 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 Lake Havasu City, AZ
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location: 34.48, -114.34     debug


Area Discussion for - Las Vegas, NV
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FXUS65 KVEF 161548 AFDVEF

Area Forecast Discussion National Weather Service Las Vegas NV 900 AM PDT Thu Jul 16 2020

SYNOPSIS. Hot and dry conditions will persist through the weekend with light afternoon breezes expected. Signs of a more substantial increase in moisture are becoming evident by the middle of next week, which would increase chances for showers and storms across portions of the area.

UPDATE. Very minimal changes to the forecast this morning. Plume of enhanced mid level moisture is currently working northward across the Four Corners region, with the west edge of this plume grazing far eastern portions of the Arizona strip. Even had a few isolated lightning strikes with some of this elevated activity this morning. A rogue shower or two will remain possible aided by afternoon heating later today in the same area, but dry conditions will prevail elsewhere. Made minor updates to the PoP grids for reasons mentioned above but otherwise no changes.

-Outler-

DISCUSSION. Aside from scattered mid level clouds over eastern Lincoln and northern Mohave counties, skies were clear early this morning. Temperatures were seasonably warm and winds were light. Not much change in store through the weekend, as temperatures remain a few degrees above normal, winds remain below advisory levels, and isolated thunderstorms dot the Sierra crest and the Mohave/Coconino county line in the afternoons. Things get more interesting beyond then, as there is continued model consistency that our best potential for a monsoonal set up looks to take shape next week. At first, models were indicating this could begin as early as this weekend, but lately, moisture advection looks to stay well to the east and the VEF CWA should stay relatively dry until a more western orientation to the moisture tap sets up. Latest trends seem to indicate that surface dewpoints could be increasing into the 50-60 range for the Colorado River Valley by Wednesday and through the end of the week. Also, Day 8-10 cluster analysis (Thursday-Saturday of next week), is beginning to show intermodel ensemble member agreement in the development of slightly more amplified troughing across the Pacific Northwest. If this comes to fruition, a more focused moisture belt could result and pull PoP chances into the southern Nevada area as well as add additional dynamical influence to the lifting mechanisms late week.

Thus, for now, PoPs are slight chance or below for Saturday- Tuesday, with the best chances for far eastern Mohave, but then these chances creep westward and include southern Nevada even by late week. Would not be surprised to see these chances increase, as well as QPF potential, as forecasts near this time frame.

AVIATION. For McCarran . Similar wind pattern expected again today. Light southwesterly winds will continue through the early morning with light and variable winds expected by sunrise. Light easterly winds will be favored late morning before a push of southerly winds in the afternoon with gusts to 15-20 knots. Southwesterly winds will decrease by 03-04Z later this evening, generally remaining below 10 knots overnight tonight. Mostly clear skies expected through the TAF period.

For the rest of southern Nevada, northwest Arizona and southeast California . Breezy southerly winds are expected again across the region this afternoon with gusts to around 15-20 knots. Typical drainage winds will resume between 03-04Z later this evening. No operationally significant clouds expected during the TAF period.

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

DISCUSSION . Morgan/TB3 AVIATION . Kryston

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
Needles, Needles Airport, CA25 mi28 minN 010.00 miFair95°F28°F9%1006.6 hPa

Link to 5 minute data for KEED

Wind History from EED (wind in knots)
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Last 24hr53S13
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SW14NW4W9SW8W3W9W6SW10SW7E44

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 (12,3,4,5)
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Ground Weather Radar Station Las Vegas, 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.