Sunday, July12, 2020
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Marine Weather and Tides
Marietta, GA

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 6:35AMSunset 8:52PM Sunday July 12, 2020 4:13 PM EDT (20:13 UTC) Moonrise 12:08AMMoonset 12:34PM Illumination 51% 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 Marietta, GA
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location: 34, -84.47     debug


Area Discussion for - Peachtree City, GA
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FXUS62 KFFC 121915 AFDFFC

Area Forecast Discussion National Weather Service Peachtree City GA 315 PM EDT Sun Jul 12 2020


SHORT TERM /Rest of today through Monday Night/.

Tricky near term fcst as the persistent MCS propagating southward across Alabama continues to stay just west of the CWA boundary and has primarily allowed the lofted mid/upper cloud shield to extend across north GA so far limiting diurnal destabilization. While this complex should follow along the tight instability axis still west of the area, the leading edge and outflow could aid its environment and end up pushing into western portions of central GA late this afternoon into evening. Also watching possible isolated convective development behind this system later this evening as the upper wave axis traverses the area mainly in the 00-06z period and holding onto some chance pops accordingly but uncertainty remains high. Any residual moisture from the MCS could end up advecting in some lower stratus or possible fog into parts of the western CWA for Monday morning with the light low level westerly fetch so will need to monitor evening trends as well.

Monday looks less impactful as the enhanced moisture and aforementioned shortwave axis will allow some slight to chance pops more confined to southern and eastern portions of central GA, otherwise isolated chance for orographically enhanced convection in the northeast mtns and rest of area should remain dry under NW ridging.

Temps thru period should remain right near climo norms and expecting highs Monday generally in low 90s north to mid 90s south.

Baker

LONG TERM /Tuesday through Sunday/.

Upper level ridging will slowly build eastward into the Tennessee Valley through the long term periods. A weak surface boundary will linger over portions of central and south Georgia through mid week but will have limited moisture to work with. This pattern will lend itself to isolated to scattered diurnally driven showers and thunderstorms through the work week with afternoon highs in the 90s across much of the area, with mid to upper 90s across a large portion of the forecast area Tuesday through Friday. Heat indices will be near 100 across portions of north GA with 100-105 across central GA through next weekend. Although long term models are in pretty good agreement, GFS continues to trend toward a wetter pattern Thursday and beyond, with POPs likely on Sunday.

Atwell

AVIATION. 18Z Update . Initial VFR conditions with possible few cu 4-6 kft and some mid/upper level cigs from cloud shield of convective complex pushing southward across Alabama. Think most storm activity should stay west of the sites except for perhaps CSG after about 20/21z but will carry VCSH and tempo SHRA for near ATL. Cannot rule out some evening isolated development with main upper wave axis but confidence still low on and will monitor trends. Some MVFR cigs could flirt with sites near ATL and CSG Monday morning but greater chance for CSG. Winds mainly NW to SW 5-8 kts with 3-5 kts overnight (calm in south). Precip chances too low for Monday so just mainly SCT cu 4-6 kft.

//ATL Confidence . 18Z Update . Low on shower/storm potential this afternoon and evening. High on all else.

Baker

PRELIMINARY POINT TEMPS/POPS. Athens 70 93 71 95 / 30 20 10 10 Atlanta 71 91 71 93 / 30 10 10 10 Blairsville 64 84 63 87 / 40 20 10 10 Cartersville 68 90 67 93 / 40 10 10 5 Columbus 73 94 73 97 / 40 20 10 10 Gainesville 70 89 69 91 / 30 10 10 10 Macon 73 94 72 96 / 30 20 10 10 Rome 69 90 68 94 / 30 10 10 5 Peachtree City 70 91 69 94 / 40 10 10 10 Vidalia 75 95 74 97 / 10 50 20 20

FFC WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . Baker LONG TERM . Atwell AVIATION . Baker


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Marietta / Dobbins Air Force Base, GA6 mi78 minW 910.00 miOvercast85°F67°F56%1010.8 hPa
Cobb County International Airport - McCollum Field, GA7 mi24 minWSW 810.00 miFair82°F68°F63%984.2 hPa
Atlanta, De Kalb-Peachtree Airport, GA12 mi21 minW 710.00 miFair84°F66°F55%1009.8 hPa
Fulton County Airport-Brown Field, GA15 mi21 minNW 510.00 miFair84°F66°F55%1010.4 hPa
Cartersville Airport, GA22 mi21 minN 010.00 miA Few Clouds81°F66°F62%1010.4 hPa
Atlanta, Hartsfield - Jackson Atlanta International Airport, GA24 mi22 minNNW 610.00 miMostly Cloudy87°F68°F53%1010.4 hPa

Link to 5 minute data for KMGE

Wind History from MGE (wind in knots)
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Last 24hrNW13
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NW7NW4NW3W6CalmN3CalmNW4CalmCalmCalmW5CalmN7NW4NW7NW7NW7W9NW7
1 day agoNW8
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2 days agoN4N7S3NE3SW5CalmCalmCalmCalmCalmCalmCalmCalmCalmSW1W3CalmN3N5W3W6W5SW7W9

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of Southeast    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 Peachtree City, GA (16,3,4,5)
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Ground Weather Radar Station Atlanta, GA
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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.