Alert archive / Georgia / Mesoscale Discussions in 2007
Mesoscale Discussion 1780
The Storm Prediction Center issued this mesoscale discussion at Aug 17, 2007, 3:13 PM CDT for 17 counties in Alabama; 62 counties in Georgia; 12 counties in South Carolina. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Aug 17, 2007, 3:13 PM CDT (20:13 UTC)
- Expired
- Aug 17, 2007, 4:45 PM CDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 91 counties
Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Cullman County, AL, Etowah County, AL, Jefferson County, AL, Lawrence County, AL, Marshall County, AL, Morgan County, AL, Randolph County, AL, St. Clair County, AL, Talladega County, AL, Walker County, AL, Winston County, AL, Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Burke County, GA, Butts County, GA, Candler County, GA, Carroll County, GA, Clayton County, GA, Cobb County, GA, Columbia County, GA, Coweta County, GA, Crawford County, GA, DeKalb County, GA, Douglas County, GA, Emanuel County, GA, Fayette County, GA, Fulton County, GA, Glascock County, GA, Greene County, GA, Gwinnett County, GA, Hancock County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston 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, McDuffie County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Peach County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Richmond County, GA, Rockdale County, GA, Screven County, GA, Spalding County, GA, Talbot County, GA, Taliaferro County, GA, Taylor County, GA, Treutlen County, GA, Troup County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wilkes County, GA, Wilkinson County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Colleton County, SC, Edgefield County, SC, Hampton County, SC, Lexington County, SC, McCormick County, SC, Orangeburg County, SC, Richland County, SC
The radar
The Atlanta radar (KFFC), 81 km from the middle of the area, began a volume at 20:16 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, 8.2 hours before the alert went out and 75 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
- 297 J/kg
- Mixed-layer CIN
- -216 J/kg
- Mixed-layer LCL
- 1660 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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Mesoscale Discussions in Georgia, 2007Mesoscale Discussions in Alabama, 2007Mesoscale Discussions in South Carolina, 2007Every mesoscale discussion in 2007
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.