Saturday, December7, 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 7:28AMSunset 5:30PM Saturday December 7, 2019 2:14 PM EST (19:14 UTC) Moonrise 2:57PMMoonset 2:55AM Illumination 83% Phase: Waxing Gibbous; Moon at 11 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 071744 AFDFFC

Area Forecast Discussion National Weather Service Peachtree City GA 1244 PM EST Sat Dec 7 2019

. 18z Aviation Forecast Discussion .

PREV DISCUSSION. /Issued 649 AM EST Sat Dec 7 2019/

UPDATE .

12z Aviation update below.

Baker

PREV DISCUSSION . /Issued 422 AM EST Sat Dec 7 2019/

SHORT TERM /Today through Sunday/ .

A lingering secondary weak upper impulse is allowing for some isolated light rain/drizzle potential mainly in portions of central GA early this morning, otherwise should transition to NW flow aloft and dry Saturday on tap. Some continued mid level moisture especially in central GA could keep some cloud coverage hanging around today. Should be a fairly pleasant start to the weekend with afternoon highs mostly in the low to mid 60s.

Sfc high center sliding into New England this evening will result in a CAD wedge building in for Sunday across the area. We can expect a shift to cooler temps (about 10 degrees lower than Saturday across north GA), increased easterly gradient winds, and some low level moisture overrunning/isentropic upglide causing increased cloud coverage and some return of afternoon shower potential in parts of the south and west. Ascent and late shower potential could also be aided by a weak upper shortwave.

Baker

LONG TERM /Sunday Night through Friday/ .

The long term period begins on Sunday night with a wedge still in place across northeast Georgia. As southwest flow advects moisture over the wedge, chances for showers will continue into the early hours on Monday. Have included slight chance pops for Sunday afternoon with increasing chances Sunday night into Monday afternoon, as the wedge breaks down. A large longwave trough will push a strong cold front towards the area on Tuesday into Wednesday with the arrival of the front during the day on Wednesday. Have included chance pops across much of the area with likely pops across portions of northern Georgia in addition to the mountains. The highest QPF amounts for Monday through Wednesday look to be across far northern Georgia, around 1 to 2 inches with around a half inch or less further south. In addition, models are showing some slight differences on the backside of this system with the GFS showing another shortwave trough developing and crossing the local forecast area late Wednesday into Thursday and the ECMWF, while still showing the shortwave trough, clears precip from the local forecast area by Thursday and takes the trough much further south of the area. Overall, decided to trend on the drier side for pops in this time period, with slight chance to chance pops Wednesday afternoon and clearing across the area on Thursday.

Post frontal passage, high pressure will build into the area at the surface, providing dry weather for Thursday. By Friday, chances for precipitation will increase again as models show a developing surface low in the Gulf moving towards the local forecast area on Friday and Saturday. Although models are showing some differences in timing, have included chance pops for Friday through the early weekend.

High temperatures on Monday and Tuesday will be about 5 to 15 degrees above average in the 60s and 70s, returning to the 40s and 50s through the rest of the extended. Overnight lows Tuesday morning will be very warm in the 50s and 60s, around 20 to 25 degrees above average. Otherwise, lows through the rest of the extended are expected to be in the 30s and 40s.

Reaves

AVIATION. 18Z Update . BKN VFR cigs in the 050-070 range will prevail at TAF sites through the 21-23z time frame before scattering more appreciably. Borderline VFR/MVFR cigs in the 025-040 range will increase by 09-11z Sunday, though confidence in persistent MVFR cigs is marginal at this time. Winds will remain from the east, initially 5-8kts and increasing to 8-12kts overnight.

//ATL Confidence . 18Z Update . Medium confidence on Sunday morning cigs. High confidence on other elements.

RW

PRELIMINARY POINT TEMPS/POPS. Athens 62 40 53 46 / 0 5 10 50 Atlanta 62 43 53 48 / 5 5 20 50 Blairsville 58 36 49 42 / 5 5 10 60 Cartersville 63 43 54 47 / 5 5 10 50 Columbus 64 48 60 53 / 10 5 20 40 Gainesville 60 40 50 45 / 0 5 10 60 Macon 64 42 58 50 / 5 5 20 30 Rome 63 43 55 47 / 5 5 10 50 Peachtree City 63 43 56 48 / 5 5 20 40 Vidalia 67 43 62 52 / 5 5 10 20

FFC WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . RW LONG TERM . 01 AVIATION . RW


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Marietta / Dobbins Air Force Base, GA6 mi78 minENE 410.00 miMostly Cloudy60°F39°F48%1024 hPa
Cobb County International Airport - McCollum Field, GA7 mi84 minE 810.00 miPartly Cloudy60°F39°F48%996.4 hPa
Atlanta, De Kalb-Peachtree Airport, GA12 mi81 minno data10.00 miOvercast59°F37°F46%1024.1 hPa
Fulton County Airport-Brown Field, GA15 mi81 minVar 310.00 miOvercast60°F41°F50%1023.7 hPa
Cartersville Airport, GA22 mi81 minno data10.00 miOvercast62°F43°F50%1023.7 hPa
Atlanta, Hartsfield - Jackson Atlanta International Airport, GA24 mi82 minENE 910.00 miMostly Cloudy60°F39°F48%1023.9 hPa

Link to 5 minute data for KMGE

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Last 24hrCalmS5CalmN3CalmNE3CalmN4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE3NE3NE3NE5E4E5
1 day agoNW4W4NW3W3SW2W2CalmCalmW2CalmCalmCalmCalmCalmCalmCalmW2E1CalmCalmSE2S4W4S5
2 days agoNW15W12W12W7W7W8W9W8W8NW7W8NW9NW4NW6W4W3SW4W7W7NW7W6N5NW5NW3

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of    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 (14,3,4,5)
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Ground Weather Radar Station Atlanta, GA
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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 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.