Saturday, January23, 2021
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Marine Weather and Tides
Athens-Clarke County, GA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:34AMSunset 5:56PM Saturday January 23, 2021 2:56 AM EST (07:56 UTC) Moonrise 1:39PMMoonset 3:07AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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 Athens-Clarke County, GA
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location: 33.9, -83.31     debug


Area Discussion for - Peachtree City, GA
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FXUS62 KFFC 230553 AFDFFC

Area Forecast Discussion National Weather Service Peachtree City GA 1253 AM EST Sat Jan 23 2021

PREV DISCUSSION. /issued 836 PM EST Fri Jan 22 2021/

UPDATE .

Only minor tweaks made to the dewpoints from the afternoon forecast as drier air continues to move into the area. Otherwise, the forecast continues on track with clearing of showers across far central Georgia, which has largely happened at this point. Mainly just some cloud cover left behind that should clear the area through the overnight hours, leading to clear skies. Overnight temperatures are forecast to be in the 30s and lower 40s across the area.

Reaves

PREV DISCUSSION . /Issued 628 PM EST Fri Jan 22 2021/

Updated for 00Z Aviation Discussion.

PREV DISCUSSION . /Issued 216 PM EST Fri Jan 22 2021/

SHORT TERM /Tonight through Saturday Night/ .

Current radar loop shows area of rain across central and south GA moving south and east this afternoon. This area of rain should be out of the CWA just before sunset with a drier airmass and clear skies moving in tonight. Seeing dewpoints in the 30s across N GA indicating the drier air is already beginning to filter into the state. The clearing trend is expected to continue tonight through Sat as high pressure builds in from the north. This ridge will not be very strong and will be short lived across the region. Will see increased cloud cover Sat evening ahead of next weather system to move into the state at the beginning of the extended period.

Low temps tonight and Sat night expected to dip into the 30s ands 40s with high temps Sat in the 50s and lower 60s.

01

LONG TERM /Sunday through Friday/ .

Medium-range models remain in surprisingly good agreement through the end of next week. Period starts out dry and mild with weak upper ridging across the region Sunday. Precipitation chances return quickly as upper flow turns southwesterly by Sunday night. Upper trough/short wave lifts well north of the state Monday, however, associated deep surface low lifting into the Ohio Valley pulls a rather sharp frontal boundary across the forecast area by late in the day through the overnight period into early Tuesday. Warm, moist airmass surging north ahead of the front provides some instability and despite the lack of strong mid/upper dynamics, sufficient shear and marginal instability means we will need to keep an eye on this system for some, at least isolated, severe weather potential. Bit of a break behind this system on Tuesday, but moisture return Wednesday ahead of the next system approaching in the fairly progressive upper pattern sets precipitation chances back on the increase ahead of the next short wave and associated surface low moving across the central/southern Appalachians Thursday.

20

AVIATION. 06Z UPDATE .

Dry air continues to move in from the north and any fog formation should be south of the terminals. VFR conditions expected for this TAF set with just a wind shift to be concerned with. Guidance in good agreement on a 15Z wind shift for ATL to NE.

//ATL CONFIDENCE . 06Z UPDATE . High on all elements.

Deese

PRELIMINARY POINT TEMPS/POPS. Athens 57 34 52 43 / 0 0 20 70 Atlanta 57 38 52 46 / 0 5 20 70 Blairsville 55 31 48 40 / 0 0 30 80 Cartersville 57 36 53 44 / 0 0 30 80 Columbus 60 42 58 51 / 0 10 10 30 Gainesville 56 35 49 43 / 0 0 20 80 Macon 61 38 56 49 / 0 10 10 30 Rome 56 35 55 46 / 0 0 40 80 Peachtree City 59 37 54 46 / 0 5 20 60 Vidalia 60 40 59 52 / 0 10 20 10

FFC WATCHES/WARNINGS/ADVISORIES. Dense Fog Advisory until 8 AM EST this morning for the following zones: Bleckley . Crisp . Dodge . Dooly . Emanuel . Glascock . Houston . Jefferson . Johnson . Laurens . Montgomery . Pulaski . Telfair . Toombs . Treutlen . Twiggs . Washington . Wheeler . Wilcox . Wilkinson.



SHORT TERM . 01 LONG TERM . 20 AVIATION . Deese


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHDS1 - Strom Thurmond Dam, SC 61 mi97 min Calm G 2.9

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Athens, Athens Airport, GA4 mi66 minWNW 310.00 miFair41°F29°F62%1017.4 hPa
Winder, Winder-Barrow Airport, GA20 mi62 minNW 710.00 miFair41°F30°F66%1018.3 hPa
Greensboro, Greene County Regional Airport, GA23 mi62 minNW 410.00 miFair41°F36°F81%1016.9 hPa

Link to 5 minute data for KAHN

Wind History from AHN (wind in knots)
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Last 24hrW3CalmCalmCalmCalmCalmSW3CalmW4NW4NW34SW4NW5SW4SW3SW3W4W4W6NW4CalmW3NW3
1 day agoW54W8
G17
W5W53CalmNW4W3W34W6SW5W7W7
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W6W8W4W5W5W5CalmW4NW7
2 days agoW9
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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    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
Ground Weather Radar Station




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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.