Alert archive / Georgia / Mesoscale Discussions in 2017
Mesoscale Discussion 825
The Storm Prediction Center issued this mesoscale discussion at May 24, 2017, 8:29 AM EDT for 89 counties in Georgia; 17 counties in South Carolina. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 24, 2017, 8:29 AM EDT (12:29 UTC)
- Expired
- May 24, 2017, 11:00 AM EDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 106 counties
Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brantley County, GA, Brooks County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Calhoun County, GA, Camden County, GA, Candler County, GA, Charlton County, GA, Chatham County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Glascock County, GA, Glynn County, GA, Grady County, GA, Greene County, GA, Hancock County, GA, Houston County, GA, Irwin County, GA, Jasper County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, Lowndes County, GA, Macon County, GA, McDuffie County, GA, McIntosh County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Montgomery County, GA, Peach County, GA, Pierce County, GA, Pulaski County, GA, Putnam County, GA, Randolph County, GA, Richmond County, GA, Schley County, GA, Screven County, GA, Sumter County, GA, Taliaferro County, GA, Tattnall County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Turner County, GA, Twiggs County, GA, Ware County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Worth County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Hampton County, SC, Jasper County, SC, Lexington County, SC, McCormick County, SC, Orangeburg County, SC, Saluda County, SC
The radar
The Charleston,SC radar (KCLX), 113 km from the middle of the area, began a volume at 12:29 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
Jacksonville, FL (KJAX), launched 12:00Z, 0.5 hours before the alert went out and 199 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.
- Mixed-layer CAPE
- 868 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 752 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 9.7
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 8:12 PM EDT | Mesoscale Discussion | SPC | Bartow, Carroll, Cherokee, Clayton, Cobb, Coweta and 15 more | 93 min |
| May 23, 8:46 PM EDT | Mesoscale Discussion | SPC | Appling, Bacon, Brantley, Bryan, Bulloch, Candler and 12 more | 89 min |
| May 24, 6:56 AM EDT | Tornado Watch | SPC | Brooks, Decatur, Grady, Lowndes, Seminole, Thomas | 8 hr |
| May 24, 7:41 AM EDT | Mesoscale Discussion | SPC | Bartow, Catoosa, Chattooga, Dade, Fannin, Floyd and 8 more | 3 hr |
| May 24, 10:04 AM EDT | Tornado Watch | SPC | Banks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 50 more | 11 hr |
| May 24, 10:26 AM EDT | Mesoscale Discussion | SPC | Decatur, Grady, Seminole | 94 min |
| May 24, 11:03 AM EDT | Tornado Watch | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 96 more | 10 hr |
| May 24, 2:10 PM EDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 99 more | 95 min |
| May 24, 3:02 PM EDT | Mesoscale Discussion | SPC | Banks, Barrow, Bartow, Carroll, Cherokee, Clarke and 43 more | 88 min |
| May 24, 5:25 PM EDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Baldwin, Banks, Barrow and 87 more | 65 min |
| May 24, 3:13 PM EDT | Mesoscale Discussion | SPC | Darlington, Dillon, Florence, Georgetown, Horry, Marion and 2 more | 2 hr |
| May 24, 3:46 PM EDT | Tornado Watch | SPC | Darlington, Dillon, Marlboro | 6 hr |
Nearby
Mesoscale Discussions in Georgia, 2017Mesoscale Discussions in South Carolina, 2017Every mesoscale discussion in 2017
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.