Alert archive / Georgia / Mesoscale Discussions in 2024

Mesoscale Discussion 1012

May 27, 202437 counties in Georgia; 6 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at May 27, 2024, 10:02 AM EDT for 37 counties in Georgia; 6 counties in South Carolina. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued
May 27, 2024, 10:02 AM EDT (14:02 UTC)
Expired
May 27, 2024, 11:30 AM EDT
In force
88 min
Issued by
the Storm Prediction Center
Concerning
Severe thunderstorm watch 332
All 43 counties

Baldwin County, GA, Bibb County, GA, Burke County, GA, Butts County, GA, Clarke County, GA, Columbia County, GA, Crawford County, GA, Elbert County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Harris County, GA, Jasper County, GA, Jefferson County, GA, Jones County, GA, Lamar County, GA, Lincoln County, GA, Madison County, GA, McDuffie County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Pike County, GA, Putnam County, GA, Richmond County, GA, Spalding County, GA, Talbot County, GA, Taliaferro County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wilkes County, GA, Wilkinson County, GA, Abbeville County, SC, Edgefield County, SC, Greenwood County, SC, Laurens County, SC, McCormick County, SC, Saluda County, SC

The radar

The Robins AFB radar (KJGX), 76 km from the middle of the area, began a volume at 14:04 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.0 hours before the alert went out and 109 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 12:00Z on 2024-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1016 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 12:00Z on 2024-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 square meters per square second.19395878Sfc1 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
1016 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 2:10 AM EDTTornado WatchSPCCatoosa, Dade, Murray, Walker, Whitfield5 hr
May 27, 3:47 AM EDTMesoscale DiscussionSPCBartow, Catoosa, Chattooga, Dade, Dawson, Fannin and 11 more118 min
May 27, 6:13 AM EDTMesoscale DiscussionSPCBanks, Barrow, Butts, Carroll, Cherokee, Clarke and 45 more2 hr
May 27, 7:13 AM EDTSevere Thunderstorm WatchSPCBaldwin, Bibb, Burke, Butts, Carroll, Clarke and 49 more7 hr
May 27, 1:41 PM EDTMesoscale DiscussionSPCAppling, Baker, Baldwin, Ben Hill, Bibb, Bleckley and 76 more94 min
May 27, 2:10 PM EDTSevere Thunderstorm WatchSPCAppling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 95 more8 hr
May 27, 4:11 PM EDTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 70 more94 min
May 26, 8:27 PM EDTMesoscale DiscussionSPCAbbeville, Anderson, Cherokee, Chester, Greenville, Laurens and 4 more93 min
May 27, 2:37 PM EDTMesoscale DiscussionSPCChesterfield, Clarendon, Darlington, Dillon, Florence, Georgetown and 8 more83 min

Nearby

Mesoscale Discussions in Georgia, 2024Mesoscale Discussions in South Carolina, 2024Every mesoscale discussion in 2024

Sources

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