Alert archive / Georgia / Mesoscale Discussions in 2025

Mesoscale Discussion 433

April 7, 2025Gadsden County, Florida; 41 counties in Georgia; 8 counties in South Carolina

The Storm Prediction Center issued this mesoscale discussion at Apr 7, 2025, 8:40 AM EDT for Gadsden County, Florida; 41 counties in Georgia; 8 counties in South Carolina. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Apr 7, 2025, 8:40 AM EDT (12:40 UTC)
Expired
Apr 7, 2025, 10:45 AM EDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch possible
Chance of a watch
40%
All 50 counties

Gadsden County, FL, Baldwin County, GA, Ben Hill County, GA, Bibb County, GA, Bleckley County, GA, Burke County, GA, Colquitt County, GA, Columbia County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Elbert County, GA, Emanuel County, GA, Glascock County, GA, Grady County, GA, Greene County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Laurens County, GA, Lincoln County, GA, McDuffie County, GA, Mitchell County, GA, Oglethorpe County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Taliaferro County, GA, Telfair County, GA, Tift County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Worth County, GA, Abbeville County, SC, Aiken County, SC, Edgefield County, SC, Greenwood County, SC, Laurens County, SC, Lexington County, SC, McCormick County, SC, Saluda County, SC

The radar

The Robins AFB radar (KJGX), 20 km from the middle of the area, began a volume at 12:44 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.7 hours before the alert went out and 141 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 2025-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 2025-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
12 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

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
Apr 6, 11:14 PM EDTMesoscale DiscussionSPCEscambia, Holmes, Jackson, Okaloosa, Santa Rosa, Walton and 1 more3 hr
Apr 7, 3:13 AM EDTMesoscale DiscussionSPCBay, Holmes, Jackson, Walton, Washington3 hr
Apr 7, 10:20 AM EDTTornado WatchSPCFranklin, Gadsden, Gulf, Hamilton, Jefferson, Lafayette and 6 more10 hr
Apr 7, 11:37 AM EDTMesoscale DiscussionSPCJefferson, Leon, Madison, Taylor, Wakulla83 min
Apr 7, 2:39 PM EDTMesoscale DiscussionSPCHamilton, Lafayette, Suwannee, Taylor96 min
Apr 7, 4:47 PM EDTMesoscale DiscussionSPCBen Hill, Berrien, Burke, Coffee, Emanuel, Irwin and 9 more58 min
Apr 7, 1:18 PM EDTMesoscale DiscussionSPCCalhoun, Chesterfield, Clarendon, Darlington, Dillon, Florence and 9 more117 min
Apr 7, 2:35 PM EDTSevere Thunderstorm WatchSPCDillon, Florence, Georgetown, Horry, Marion, Williamsburg7 hr
Apr 7, 4:35 PM EDTMesoscale DiscussionSPCDillon, Florence, Horry, Marion55 min
Apr 7, 7:48 PM EDTMesoscale DiscussionSPCClarendon, Dillon, Florence, Horry, Marion, Williamsburg87 min

Nearby

Mesoscale Discussions in Georgia, 2025Mesoscale Discussions in South Carolina, 2025Mesoscale Discussions in Florida, 2025Every mesoscale discussion in 2025

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.