Sunday, December8, 2019
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Marine Weather and Tides
Marietta, GA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:29AMSunset 5:30PM Sunday December 8, 2019 9:03 AM EST (14:03 UTC) Moonrise 3:27PMMoonset 3:51AM Illumination 88% Phase: Waxing Gibbous; Moon at 12 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 081141 AFDFFC

Area Forecast Discussion National Weather Service Peachtree City GA 641 AM EST Sun Dec 8 2019

PREV DISCUSSION. /Issued 509 AM EST Sun Dec 8 2019/

SHORT TERM /Today through Monday/ .

Surface analysis shows high pressure already building down the Appalachians, building a wedge in portions of northern and eastern Georgia. Mainly will see increased cloud cover today with mostly dry weather expected through the day today. Chances for showers will be increasing late this evening as a weak shortwave moves east through the area and moisture is lifted over the wedge. Have included chance pops across mainly northern Georgia for late this evening into the overnight hours with likely pops in the mountains. As upglide over the wedge continues into early Monday, chances for rain will continue with the best chances across the northeast mountains. The wedge looks to break down by Monday evening as the next frontal system begins to approach the area. Overall, with the wedge in place high temperatures this afternoon will be in the 40s and 50s in northern Georgia with temps in the 60s across central Georgia. Overnight lows are expected to be in the 40s and 50s, around 10 to 15 degrees above average. Highs on Monday are expected to be warm as well, around 5 to 10 degrees above average, in the 60s and 70s.

Reaves

LONG TERM /Monday Night through Saturday/.

Fcst period starts with rather slow progression of a broad longwave trough and an attendant sfc cold front bringing widespread shower/rain chances to the area from the NW for Monday night through Tuesday night. Post frontal temps for late Tuesday into early Wednesday have trended slightly warmer. Still cannot rule out some brief rain to snow transition in parts of the far north but not expecting much impact based on this setup and trends. Models solutions continue to diverge in how much trough energy and enhanced moisture axis pushes east for Wednesday as the GFS continues to develop a rather amplified upper shortwave on the heals of the aforementioned fropa that stems from the base of the longwave energy, and the Euro maintains a dryer and less active period. Opted to keep a consistency fcst with not buying into the wetter GFS quite yet and kept pops confined farther south.

Next period of interest and also with some model discrepancies is Thursday night into Friday as overrunning moisture ahead of a developing Gulf low could interact against a strong CAD wedge. Some temps Friday morning are a bit warmer than before. Still keeping some mention of possible light rain/snow mix in the far northeast, but temps and possible wedge influence will need to be monitored closely if any cooler trends occur that could lead to different p-type concerns. Otherwise maintained general chance pops for showers Friday into the weekend with expected amplified upper trough west of the region.

Baker

AVIATION. 12Z Update .

Mainly bkn/ovc VFR cigs across the taf sites in the 5-7kft range with some sct MVFR clouds as well. Expecting bkn/ovc VFR cigs throughout the day today before MVFR cigs are expected across the taf sites after about 00Z this evening, although slightly earlier at CSG. Chances for SHRA will increase after 00Z and have included a prob30 at all taf sites for SHRA. Winds should remain E through much of the period, around 5-13 kts.

//ATL Confidence . 12Z Update . Medium on precip start time. Medium to high on all other elements.

Reaves

PRELIMINARY POINT TEMPS/POPS. Athens 54 45 62 58 / 5 40 40 40 Atlanta 54 48 65 60 / 5 40 40 50 Blairsville 49 41 57 55 / 10 60 60 70 Cartersville 55 47 65 58 / 10 40 40 70 Columbus 62 52 72 60 / 10 40 40 30 Gainesville 51 45 59 55 / 5 50 60 50 Macon 60 49 71 60 / 5 30 30 20 Rome 56 47 66 59 / 10 40 40 80 Peachtree City 57 48 67 59 / 5 40 40 50 Vidalia 64 51 76 62 / 5 20 10 10

FFC WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . Reaves LONG TERM . Baker AVIATION . Reaves


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Marietta / Dobbins Air Force Base, GA6 mi68 minE 12 G 1710.00 miOvercast46°F39°F78%1027.3 hPa
Cobb County International Airport - McCollum Field, GA7 mi74 minESE 9 G 1610.00 miOvercast45°F39°F83%1099.3 hPa
Atlanta, De Kalb-Peachtree Airport, GA12 mi71 minE 710.00 miOvercast45°F39°F80%1028.2 hPa
Fulton County Airport-Brown Field, GA15 mi71 minE 1010.00 miOvercast48°F39°F74%1027.1 hPa
Cartersville Airport, GA22 mi71 minE 9 G 1410.00 miMostly Cloudy48°F39°F74%1026.5 hPa
Atlanta, Hartsfield - Jackson Atlanta International Airport, GA24 mi72 minE 16 G 1910.00 miOvercast48°F39°F74%1027.1 hPa

Link to 5 minute data for KMGE

Wind History from MGE (wind in knots)
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Last 24hrNE3NE3NE3NE5E4E5E4E5E7E3CalmNE2E2CalmE4CalmE8E8E10E8E11E6E11E12
G17
1 day agoCalmCalmSE2S4W4S5CalmS5CalmN3CalmNE3CalmN4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoW7NW7W6N5NW5NW3NW4W4NW3W3SW2W2CalmCalmW2CalmCalmCalmCalmCalmCalmCalmW2E1

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 (9,2,3,4)
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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 numerious 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.