Alert archive / Georgia / Mesoscale Discussions in 2018
Mesoscale Discussion 1270
The Storm Prediction Center issued this mesoscale discussion at Aug 9, 2018, 6:10 PM EDT for 76 counties in Georgia; 30 counties in South Carolina. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 9, 2018, 6:10 PM EDT (22:10 UTC)
- Expired
- Aug 9, 2018, 8:15 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 106 counties
Baldwin County, GA, Barrow County, GA, Bibb County, GA, Bleckley County, GA, Bulloch County, GA, Burke County, GA, Butts County, GA, Candler County, GA, Chattahoochee County, GA, Clarke County, GA, Columbia County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Fayette County, GA, Franklin County, GA, Glascock County, GA, Greene County, GA, Hancock County, GA, Harris County, GA, Hart County, GA, Henry County, GA, Houston County, GA, Jackson County, GA, Jasper County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Lincoln County, GA, Macon County, GA, Madison County, GA, Marion County, GA, McDuffie County, GA, Meriwether County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Rockdale County, GA, Schley County, GA, Screven County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taliaferro County, GA, Tattnall County, GA, Taylor County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Abbeville County, SC, Aiken County, SC, Allendale County, SC, Anderson County, SC, Bamberg County, SC, Barnwell County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Chester County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Fairfield County, SC, Greenwood County, SC, Hampton County, SC, Jasper County, SC, Kershaw County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC, Union County, SC, Williamsburg County, SC
The radar
The Charleston,SC radar (KCLX), 87 km from the middle of the area, began a volume at 22:13 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
Charleston AFB, SC (KCHS), launched 12:00Z, 10.2 hours before the alert went out and 168 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
- 310 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
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Mesoscale Discussions in Georgia, 2018Mesoscale Discussions in South Carolina, 2018Every mesoscale discussion in 2018
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.