Wednesday, May27, 2020
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Marine Weather and Tides
Acworth, 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 6:28AMSunset 8:43PM Wednesday May 27, 2020 2:22 AM EDT (06:22 UTC) Moonrise 9:44AMMoonset 12:00AM Illumination 26% Phase: Waxing Crescent; Moon at 5 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 Acworth, GA
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location: 34.1, -84.62     debug


Area Discussion for - Peachtree City, GA
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FXUS62 KFFC 270545 AFDFFC

Area Forecast Discussion National Weather Service Peachtree City GA 145 AM EDT Wed May 27 2020


PREV DISCUSSION. /Issued 928 PM EDT Tue May 26 2020/

UPDATE .

Isolated to scattered light showers are ongoing across north and central Georgia, and are steadily diminishing. A rumble of thunder or two is still possible in south-central Georgia, but no severe weather is expected at this time. Rain chances will begin to increase once again from the southeast during the early morning hours before sunrise as a surface low pressure disturbance tracks northeastward towards South Carolina. While still inconsistent, model guidance continues to trend the movement of the low in an eastward direction, keeping the heaviest and most widespread precipitation to the east of the forecast area. As a result, PoPs through Wednesday afternoon have been decreased slightly. Previously updated for the 00Z Aviation Discussion.

King

PREV DISCUSSION . /Issued 320 PM EDT Tue May 26 2020/

Afternoon Area Forecast Discussion for Tuesday, May 26th .

SHORT TERM /Tonight through Wednesday Night/ .

Widespread clouds and scattered showers continue across the forecast area this afternoon as the area remains situated between a cutoff upper low over the Arklatex region and a ridge of high pressure over the western Atlantic. This pattern will continue to push rich moisture northward across the Southeast through the short term. At the surface, cool easterly flow persists as a wedge of high pressure noses into the state.

Meanwhile, a weak surface low near the northeast Florida coast will continue drifting northward, bringing enhanced moisture and heavy rainfall potential along and near its track. The National Hurricane Center maintains only a low chance for tropical formation before this low moves northward near the coastline through tomorrow. Regardless of any tropical formation, impacts to the local area will remain unchanged. There remains some model variability regarding the track of this low tonight into tomorrow. While the ECMWF represents a more westerly track inland into Georgia through tomorrow, the current forecast is based on farther eastward coastal track which keeps the heaviest rainfall to the east of the forecast area through Wednesday night. Even with this anticipated eastward trajectory, scattered to widespread shower coverage is expected to increase Wednesday morning into midday as moisture surges northward.

The chance for scattered thunderstorms will also increase through Wednesday afternoon and evening, particularly across the western portions of the area, though coverage/intensity will be somewhat dependent on morning shower activity and its effect on limiting instability. With that being said, there is some potential for more clearing across western portions of the area by afternoon which would increase thunderstorm potential, some of which could approach from Alabama by Wednesday evening.

RW

LONG TERM /Thursday through Tuesday/ .

Long term begins with large PV-anomaly just to the west of the CWA with associated cut-off low at 500 mb that has been slowly filling. PVA will overtake the area on Thursday as anomaly moves slowly east and starts to be absorbed by a trough diving into the US in the midwest. This will provide for some general ascent, which combined with decent CAPE values generated by surface heating/moisture advection should allow for some thunderstorm potential, the strongest of which could be severe especially across northern portions of the CWA.

PV anomaly gets squeezed between diving trough absorbing it and diabatically driven rossby wave break to the west and becomes more of a PV streamer/upper-level front by Friday that will help to continue showers and storms across the CWA. Upper-level trough continues to deepen over eastern US on Friday night into Saturday and will drive a weak cold front through the area Saturday night into Sunday. This should help to finally give us a reprieve from the humidity as drier air filters in under a high pressure on Sunday into Monday.

Lusk

AVIATION. 06Z Update . Ceilings starting out in the MVFR to IFR range and lifting into the VFR range later this afternoon. East winds will continue through this TAF period with speeds in the 6-12kt range. Precip will be off and on all day as moisture continue to move northward across the region. VSBYs should stay VFR through the period.

//ATL Confidence . 06Z Update . Confidence medium to high on all elements

01

PRELIMINARY POINT TEMPS/POPS. Athens 75 65 81 66 / 70 30 60 50 Atlanta 75 66 80 67 / 50 40 70 50 Blairsville 71 61 75 62 / 60 50 70 60 Cartersville 76 65 81 65 / 50 50 70 50 Columbus 80 68 85 69 / 50 50 70 30 Gainesville 73 65 78 66 / 60 40 70 60 Macon 79 67 83 68 / 50 30 60 30 Rome 77 66 83 64 / 50 50 70 60 Peachtree City 77 65 82 66 / 50 40 70 40 Vidalia 83 70 88 71 / 50 40 60 30

FFC WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . King LONG TERM . Lusk AVIATION . 01


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cobb County International Airport - McCollum Field, GA6 mi32 minESE 9 G 1510.00 miOvercast69°F61°F76%988.7 hPa
Cartersville Airport, GA12 mi29 minVar 510.00 miOvercast71°F61°F71%1015.2 hPa
Marietta / Dobbins Air Force Base, GA13 mi86 minE 910.00 miPartly Cloudy69°F61°F76%1016.9 hPa
Dallas Paulding County Regional Airport, GA22 mi27 minESE 87.00 miOvercast66°F62°F88%1016.6 hPa
Fulton County Airport-Brown Field, GA23 mi29 minENE 610.00 miOvercast70°F61°F73%1015.3 hPa
Atlanta, De Kalb-Peachtree Airport, GA23 mi29 minVar 410.00 miOvercast68°F62°F81%1015.3 hPa

Link to 5 minute data for KRYY

Wind History from RYY (wind in knots)
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Last 24hrE6E6E6E75E6E9E11
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2 days agoW3CalmSE3CalmCalmCalmCalmCalmCalmE4CalmW6NW353W44W8CalmCalmCalmE3CalmE5

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 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.