Alert archive / Georgia / Mesoscale Discussions in 2025

Mesoscale Discussion 1010

May 27, 202513 counties in Alabama; 50 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at May 27, 2025, 2:25 PM CDT for 13 counties in Alabama; 50 counties in Georgia. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
May 27, 2025, 2:25 PM CDT (19:25 UTC)
Expired
May 27, 2025, 4:00 PM CDT
In force
95 min
Issued by
the Storm Prediction Center
Concerning
Severe thunderstorm watch 337
All 63 counties

Barbour County, AL, Bullock County, AL, Chambers County, AL, Coffee County, AL, Crenshaw County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Macon County, AL, Pike County, AL, Russell County, AL, Baker County, GA, Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Butts County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Clayton County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Fayette County, GA, Hancock County, GA, Harris County, GA, Henry County, GA, Houston County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Monroe County, GA, Muscogee County, GA, Newton County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Troup County, GA, Twiggs County, GA, Upson County, GA, Webster County, GA, Wilcox County, GA, Wilkinson County, GA

The radar

The Atlanta radar (KFFC), 105 km from the middle of the area, began a volume at 19:25 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, 7.4 hours before the alert went out and 106 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 2025-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 83 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 2025-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.193958Sfc1 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
83 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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, 8:55 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bibb, Bullock, Butler and 27 more95 min
May 27, 12:08 PM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bullock, Butler, Chambers and 24 more97 min
May 27, 1:00 PM CDTSevere Thunderstorm WatchSPCBarbour, Bullock, Chambers, Coffee, Covington, Crenshaw and 9 more6 hr
May 27, 3:39 PM CDTMesoscale DiscussionSPCHenry, Houston96 min
May 27, 4:44 PM CDTMesoscale DiscussionSPCBaldwin, Choctaw, Clarke, Mobile, Monroe, Washington91 min
May 27, 5:06 PM CDTSevere Thunderstorm WatchSPCBaldwin, Choctaw, Clarke, Conecuh, Dallas, Escambia and 9 more6 hr
May 27, 6:06 PM CDTMesoscale DiscussionSPCAppling, Bryan, Candler, Chatham, Evans, Glynn and 10 more114 min

Nearby

Mesoscale Discussions in Georgia, 2025Mesoscale Discussions in Alabama, 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.