Monday, March1, 2021
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Marine Weather and Tides
Woodstock, GA

Version 3.4
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1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:04AMSunset 6:35PM Monday March 1, 2021 9:21 PM EST (02:21 UTC) Moonrise 9:24PMMoonset 8:47AM Illumination 88% Phase: Waning Gibbous; Moon at 18 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 Woodstock, GA
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location: 34.03, -84.51     debug


Area Discussion for - Peachtree City, GA
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FXUS62 KFFC 020023 AFDFFC

Area Forecast Discussion National Weather Service Peachtree City GA 723 PM EST Mon Mar 1 2021


. 00Z Aviation Area Forecast Discussion with small evening update for trends to PoPs .

UPDATE.

Small updates to short term PoP trends across far north and central GA as some showers continue to reach the ground in the north and a pocket of rain has spread over central GA. Expecting rain showers in the north to stop very soon. A little more uncertainty on how long rain in central GA will continue to stick around, but trends would move it east in the next few hours.

PREV DISCUSSION. /Issued 250 PM EST Mon Mar 1 2021/

.Afternoon Area Forecast Discussion.

SHORT TERM /Tonight through Tuesday Night/ . The short term period starts off with a cut-off low over NM/TX/OK, and near-zonal flow aloft across the CWA. For the rest of today, isolated light showers will be a possibility as moisture interacts with a cold front pushing through the area. Tuesday morning lows will be cooler than previous nights -- in the mid-30s to upper 40s.

The upper low will compress into a shortwave trough and traverse the ArkLaTex on Tuesday, continuing to advect warm, moist air across north and central Georgia ahead of it. PoPs will gradually increase from south to north on Tuesday as a surface low lifts northward out of the northern Gulf. Models generally have the axis of heaviest rain falling over central Georgia Tuesday evening through Wednesday morning. Storm total QPF for this period ranges from 2 to 3 inches along and south of a line roughly from Lake Harding (Harris County) to Forsyth (Monroe County) to Milledgeville to Wrens. Locally higher rainfall totals over 3 inches will be possible. At this time, it appears that isolated flash flooding should be the extent of any hydrological issues, as most river stations across central Georgia are measuring normal streamflows.

Only advertising a slight chance of thunderstorms for Tuesday afternoon and evening for now, given limited progged instability albeit decent bulk shear from the approaching upper wave. Highs on Tuesday will top out in the upper 40s to mid-50s. Wednesday morning lows will be in the mid-30s to mid-40s.

Martin

LONG TERM /Wednesday through Monday/ . No significant forecast issues or weather impacts expected in the long term period. Heavy rain will have moved out by Wed morning with a period of dry, cool (near normal) weather following with NW flow aloft pattern.

Pretty good guidance agreement on next wave, expected to drop south of the area in NW flow on Fri/Sat. Mean flow somewhat weak but should move through in ~24hrs. Thermodynamic profile supports all liquid precip thru the event and little instability. Have no TSRA for now, but will continue to monitor. After this wave moves out another few days of dry, cool wx.

SNELSON

AVIATION . 18Z Update . Scattered -SHRA are ongoing across portions of north and central GA early this afternoon, and will slowly taper off this evening. Cigs are IFR (between 050-080) at all TAF sites (besides RYY, where cigs have been fluctuating between MVFR and IFR). Cigs will stay IFR through the first half of Tuesday. Meanwhile, winds will shift from W/NW to NE between 08z-10z Tuesday. SHRA will move into the metro Atlanta TAF sites from the south around 18z, with SHRA reaching MCN and CSG around 15z.

//ATL Confidence . 18Z Update . Medium to high confidence on all elements.

Martin

AVIATION. 00Z Update . Cigs finally seem to be lifting across all TAF sites and SHRA clearing, though left a TEMPO in place for occasional BKN MVFR across a few of the metro TAF sites for next few hours. Winds tonight will eventually rotate to the east around or a little before the 12Z timeframe in the metro TAF sites, a little earlier for AHN, MCN, and CSG, and will generally be between 5-10 knts through period. Rain tomorrow will build from the south, moving into MCN and CSG by afternoon and building to AHN and metro by early evening, bringing lowered cigs into MVFR or lower with it.

//ATL Confidence . 00Z Update . High confidence all elements.

Lusk

PRELIMINARY POINT TEMPS/POPS. Athens 42 53 38 60 / 20 50 90 40 Atlanta 43 49 40 58 / 20 70 90 20 Blairsville 34 49 37 57 / 20 30 80 30 Cartersville 39 53 39 60 / 20 60 90 10 Columbus 45 51 43 62 / 60 90 90 10 Gainesville 41 51 39 60 / 20 50 90 30 Macon 47 51 42 60 / 50 80 90 20 Rome 39 54 40 61 / 20 50 90 10 Peachtree City 43 50 40 60 / 30 80 90 10 Vidalia 48 52 44 58 / 50 80 90 40

FFC WATCHES/WARNINGS/ADVISORIES. NONE.

SHORT TERM . Martin LONG TERM . SNELSON AVIATION . Lusk


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cobb County International Airport - McCollum Field, GA5 mi32 minNW 510.00 miOvercast47°F36°F66%993.6 hPa
Marietta / Dobbins Air Force Base, GA7 mi26 minNW 710.00 miOvercast48°F34°F59%1021.5 hPa
Atlanta, De Kalb-Peachtree Airport, GA15 mi29 minN 010.00 miOvercast49°F40°F71%1020.8 hPa
Fulton County Airport-Brown Field, GA17 mi29 minVar 310.00 miOvercast50°F35°F57%1020.9 hPa
Cartersville Airport, GA19 mi29 minN 010.00 miOvercast49°F38°F66%1021.9 hPa

Link to 5 minute data for KRYY

Wind History from RYY (wind in knots)
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Last 24hrS7SW6SW7SW10
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1 day ago3E4E5E4NE4E5NE4E4NE4E4CalmS5S5SW3SW10SW10
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2 days agoE10
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E9E10E7E6E9E6E7SE54E6E5E53--S3S3CalmS4S3SE3SE354

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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