Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 48, NWS Atlanta, GA

April 24, 20215 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 24, 2021, 8:20 PM EDT for 5 counties in Georgia. It was in force for 40 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 24, 2021, 8:20 PM EDT (00:20 UTC)
Expired
Apr 24, 2021, 9:00 PM EDT
In force
40 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Coweta County, GA, Fayette County, GA, Heard County, GA, Meriwether County, GA, Troup County, GA

The radar

The Atlanta radar (KFFC), 38 km from the middle of the area, began a volume at 00:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 24, 8:35 PM EDTTSTM WND DMG1 Nne Hogansville, GATHE EMERGENCY MANAGER REPORTED A TREE DOWN AT HOGANSVILLE ROAD AND AMERICAN LEGION ROAD.
Apr 24, 8:43 PM EDTTSTM WND GST 434 Nnw Senoia, GAASOS STATION KFFC PEACHTREE CITY.
Apr 24, 8:45 PM EDTTSTM WND DMG1 Se Lagrange, GATHE EMERGENCY MANAGER REPORTED TREES DOWN AT NORTH PARKWAY STREET AND AUSTIN STREET, AUSTIN STREET, AND INTERSTATE 85 RAMP AT MILE 18. ADDITIONALLY, TREES WERE REPORTED DOWN CAUSING DAMAGE TO HOMES ON RAGLAND STREET, COOLEY ROAD, TRUITT AVENUE.
Apr 24, 8:55 PM EDTTSTM WND DMG1 Se Lagrange, GATHE EMERGENCY MANAGER REPORTED TREES DOWN AT NORTH PARKWAY STREET AND AUSTIN STREET, AUSTIN STREET, AND INTERSTATE 85 RAMP AT MILE 18. ADDITIONALLY, TREES WERE REPORTED DOWN CAUSING DAMAGE TO HOMES ON RAGLAND STREET, COOLEY ROAD, TRUITT AVENUE.
Apr 24, 8:55 PM EDTTSTM WND DMG2 Ssw Long Cane, GATHE EMERGENCY MANAGER REPORTED TREES DOWN AT THE INTERSECTIONS OF WOODLAWN LANE AND WEST POINT ROAD, LOVELACE ROAD AND WEST POINT ROAD, AND GABBETTVILLE ROAD AND GABBETTVILLE CIRCLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 24, 5:52 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.3 hours before the alert went out and 43 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2021-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2021-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
72 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1188 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

923 
WUUS52 KFFC 250020
SVRFFC
GAC077-113-149-199-285-250100-
/O.NEW.KFFC.SV.W.0048.210425T0020Z-210425T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
820 PM EDT Sat Apr 24 2021

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  West central Fayette County in north central Georgia...
  Northwestern Meriwether County in west central Georgia...
  Heard County in west central Georgia...
  Troup County in west central Georgia...
  Southern Coweta County in west central Georgia...

* Until 900 PM EDT.

* At 820 PM EDT, severe thunderstorms were located along a line
  extending from near Centralhatchee to near Red Level, moving east
  at 60 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Newnan, LaGrange, Franklin, Greenville, Peachtree City, West Point,
  Senoia, Hogansville, Grantville, Luthersville, Moreland,
  Sharpsburg, Turin, Lone Oak, East Newnan, Corinth, Mountville,
  Cannonville, Louise and Odessadale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.

&&

LAT...LON 3339 8450 3305 8467 3287 8488 3287 8519
      3326 8526 3331 8527
TIME...MOT...LOC 0020Z 269DEG 54KT 3339 8513 3305 8550 

HAIL...1.00IN
WIND...70MPH
 
$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 8:07 PM EDTSevere Thunderstorm WarningFFCClayton, Cobb, Coweta, DeKalb, Douglas, Fayette and 4 more53 min
Apr 24, 8:25 PM EDTSpecial Weather StatementFFCForsyth35 min
Apr 24, 8:36 PM EDTSevere Thunderstorm WarningFFCClayton, Coweta, DeKalb, Fayette, Gwinnett, Henry and 4 more39 min
Apr 24, 8:59 PM EDTSpecial Weather StatementFFCMeriwether, Pike, Troup31 min
Apr 24, 9:03 PM EDTSevere Thunderstorm WarningFFCButts, Gwinnett, Henry, Jasper, Monroe, Morgan and 5 more42 min
Apr 24, 9:28 PM EDTSpecial Weather StatementFFCHarris, Lamar, Pike, Talbot, Upson32 min
Apr 24, 9:36 PM EDTSevere Thunderstorm WarningFFCClarke, Greene, Jasper, Morgan, Oconee, Oglethorpe and 1 more39 min
Apr 24, 9:57 PM EDTSpecial Weather StatementFFCMonroe33 min
Apr 24, 10:08 PM EDTSpecial Weather StatementFFCHancock, Oglethorpe, Taliaferro, Warren, Wilkes37 min
Apr 24, 10:18 PM EDTSpecial Weather StatementFFCJones27 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.