Monday, December16, 2019
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Marine Weather and Tides
Peachtree City, 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 7:34AMSunset 5:33PM Monday December 16, 2019 2:03 AM EST (07:03 UTC) Moonrise 10:19PMMoonset 11:26AM Illumination 79% Phase: Waning Gibbous; Moon at 19 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 Peachtree City, GA
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location: 33.4, -84.57     debug


Area Discussion for - Peachtree City, GA
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FXUS62 KFFC 160210 AAB AFDFFC

Area Forecast Discussion . UPDATED National Weather Service Peachtree City GA 910 PM EST Sun Dec 15 2019

UPDATE. No significant changes to the overnight forecast.

BDL

PREV DISCUSSION . /Issued 602 PM EST Sun Dec 15 2019/

SHORT TERM /Tonight through Monday/ .

Synoptically, a broad longwave trough will begin digging into the southwestern CONUS, forcing moist, southwesterly flow into the Gulf states. This plume of moisture, following a warm front, will bring dense cloud cover and isolated showers from the northwestern corner of Georgia all the way through the I-85 corridor, starting late tonight. Any showers that develop should remain light with minimal accumulations if any. By Monday, a cold front will begin making it's way through the southeast with a line of showers and thunderstorms making its way towards the area. Before the system arrives temperatures will increase into the unseasonably warm mid-60s to mid- 70s, around 10-15 degrees above normal. Some isolated prefrontal showers will be possible, but precip chances will really begin to increase Monday evening as the cold front reached the northwestern corner of the state. More details discussed below.

Thiem

Monday night/Tuesday .

Heading into the evening hours (Monday), will be closely monitoring ongoing severe weather coming out of Louisiana, Mississippi and Alabama. Hi-res/short-term models continue to show an overall weakening trend of storm organization/intensity as broken line of showers/storms approach northwest and west-central GA between 6 pm and midnight Monday evening. However, low-mid 60s dewpoints yielding just enough instability along with 40-50kt low lvl (0-3km) winds to support small pockets of organized convection that could result in strong to damaging winds and perhaps even a brief/spin-up tornado. Axis of heaviest rain with this system will be across north GA where a more prolonged period of heavier rain is likely. As much as 1 to locally 2 inches is expected with lesser amounts south/east of I-85.

Risk for severe includes areas along and west/north of I-85 through daybreak Tuesday morning (12z/Tues). After 12z/Tues, potential for a few stronger storms will exist east/south of I-85 from Columbus to Macon and points south. However, weakening low lvl wind shear and overall support should end overall severe threat across these areas.

Cold front gets through the ATL area around daybreak Tuesday and will continue advancing south and east, clearing the entire forecast area by mid afternoon. Gusty northwest winds 15-30 MPH will usher in much colder and drier air. Maximum "high" temps will likely occur early in the day for most locations, with temps steady or slowly falling through the day. DJN.83

LONG TERM (Wednesday through Sunday) .

Cooler (but near seasonal) temperatures will exist across the area Wed and Thurs but it will be dry. Next chance for precipitation arrives late Friday into the weekend with a lot of model run-to-run inconsistencies. Latest solutions showing a rather significant closed upper low diving far south then tracking along the Gulf Coast. Given the inconsistencies seen with the models and the fact we are still 5-7 days out, am leaning towards a more conservative forecast with just low chance POPs spreading across the area late Friday into Saturday.

No major warm periods or cold snaps seen affecting the area through next weekend.

DJN.83

AVIATION . 00Z Update . Potential for MVFR ceilings to increase or continue overnight with some potential for brief IFR ceilings toward daybreak. Improvement to VFR is expected for most locations Monday. Surface winds calm or light SE-SW overnight and less than 10 kts on Monday. Light rain or showers possible late tonight and Monday.

//ATL Confidence . 00Z Update . Low confidence for ceilings heights Medium to high confidence all other elements.

BDL

PRELIMINARY POINT TEMPS/POPS. Athens 45 67 58 63 / 10 20 80 80 Atlanta 51 66 60 63 / 20 30 90 80 Blairsville 47 60 53 57 / 20 50 90 70 Cartersville 52 67 55 59 / 20 40 90 60 Columbus 50 71 63 65 / 10 20 80 80 Gainesville 48 64 58 62 / 20 30 90 80 Macon 45 73 61 66 / 5 10 70 80 Rome 53 68 53 57 / 20 50 90 60 Peachtree City 50 69 60 63 / 20 30 80 80 Vidalia 46 76 61 73 / 5 10 40 70

FFC WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . BDL


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Atlanta Regional Airport-Falcon Field, GA3 mi70 minN 04.00 miFog/Mist47°F45°F93%1020 hPa
Griffin Spalding County Airport, GA20 mi68 minN 03.00 miFair45°F44°F100%1020 hPa
Atlanta, Hartsfield - Jackson Atlanta International Airport, GA20 mi71 minS 69.00 miOvercast55°F48°F77%1019.7 hPa

Link to 5 minute data for KFFC

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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmW5SW4S4--SE5SE5CalmSE4SE3CalmCalmCalmCalmCalmCalm
1 day agoW6W4W5W4W4W4NW6W10
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6W9W9NW8W6W4CalmCalmCalmN3CalmCalmCalmCalm
2 days agoE64343E5E5E4E6CalmE3E4334E4CalmN4CalmCalm3CalmCalmW4

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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 (2,6,7,8)
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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.