Alert archive / Georgia / Mesoscale Discussions in 2007
Mesoscale Discussion 458
The Storm Prediction Center issued this mesoscale discussion at Apr 11, 2007, 3:27 PM CDT for 52 counties in Alabama; Holmes County, Jackson County, Florida; 75 counties in Georgia. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- Apr 11, 2007, 3:27 PM CDT (20:27 UTC)
- Expired
- Apr 11, 2007, 4:30 PM CDT
- In force
- 63 min
- Issued by
- the Storm Prediction Center
All 129 counties
Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock County, AL, Butler County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Clay County, AL, Cleburne County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Cullman County, AL, Dale County, AL, Dallas County, AL, DeKalb County, AL, Elmore County, AL, Etowah County, AL, Geneva County, AL, Greene County, AL, Hale County, AL, Henry County, AL, Houston County, AL, Jackson County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Madison County, AL, Marengo County, AL, Marshall County, AL, Monroe County, AL, Montgomery County, AL, Morgan County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Wilcox County, AL, Holmes County, FL, Jackson County, FL, Baker County, GA, Baldwin County, GA, Bartow County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brooks County, GA, Butts County, GA, Calhoun County, GA, Carroll County, GA, Catoosa County, GA, Chattahoochee County, GA, Chattooga County, GA, Clay County, GA, Cobb County, GA, Colquitt County, GA, Cook County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Dade County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Douglas County, GA, Early County, GA, Fayette County, GA, Floyd County, GA, Gordon County, GA, Grady County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Houston County, GA, Irwin County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Lee County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Muscogee County, GA, Paulding County, GA, Peach County, GA, Pike County, GA, Polk County, GA, Pulaski County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Troup County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Walker County, GA, Webster County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA
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, 8.5 hours before the alert went out and 91 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 509 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 263 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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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 12:16 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Chilton, Choctaw, Colbert and 26 more | 59 min |
| Apr 11, 1:42 PM CDT | Tornado Watch | SPC | Autauga, Bibb, Blount, Chilton, Colbert, Coosa and 30 more | 5 hr |
| Apr 11, 1:44 PM CDT | Mesoscale Discussion | SPC | Butler, Coffee, Conecuh, Covington, Crenshaw, Dale and 4 more | 61 min |
| Apr 11, 3:48 PM CDT | Tornado Watch | SPC | Barbour, Bullock, Butler, Calhoun, Chambers, Cherokee and 15 more | 6 hr |
| Apr 11, 6:23 PM CDT | Mesoscale Discussion | SPC | Barbour, Bullock, Butler, Calhoun, Chambers, Cherokee and 24 more | 97 min |
| Apr 11, 5:57 PM CDT | Mesoscale Discussion | SPC | Gadsden, Jefferson, Leon, Liberty, Madison | 93 min |
Nearby
Mesoscale Discussions in Georgia, 2007Mesoscale Discussions in Alabama, 2007Mesoscale Discussions in Florida, 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.