Alert archive / Georgia / Mesoscale Discussions in 2004
Mesoscale Discussion 1630
The Storm Prediction Center issued this mesoscale discussion at Jul 12, 2004, 11:12 AM CDT for 4 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2004, 11:12 AM CDT (16:12 UTC)
- Expired
- Jul 12, 2004, 1:45 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 101 counties
Autauga County, AL, Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Colbert County, AL, Coosa County, AL, Cullman County, AL, DeKalb County, AL, Elmore County, AL, Etowah County, AL, Franklin County, AL, Jackson County, AL, Jefferson County, AL, Lawrence County, AL, Lee County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Walker County, AL, Winston County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Lamar County, GA, Lumpkin County, GA, Madison County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Murray County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Rabun County, GA, Rockdale County, GA, Spalding County, GA, Stephens County, GA, Talbot County, GA, Towns County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Cherokee County, NC, Clay County, NC, Graham County, NC, Macon County, NC, Swain County, NC, Bradley County, TN, Hamilton County, TN, Marion County, TN, McMinn County, TN, Monroe County, TN, Polk County, TN
The radar
The Atlanta radar (KFFC), 88 km from the middle of the area, began a volume at 16:13 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.2 hours before the alert went out and 89 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
- 711 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1092 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -77 m²/s²
- 0-3 km storm-relative helicity
- -44 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 |
|---|---|---|---|---|
| Jul 12, 4:48 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Bullock, Butler, Chilton and 24 more | 2 hr |
| Jul 12, 12:39 PM CDT | Mesoscale Discussion | SPC | Madison | 2 hr |
| Jul 12, 1:41 PM CDT | Mesoscale Discussion | SPC | Alamance, Anson, Cabarrus, Caswell, Catawba, Chatham and 34 more | 2 hr |
Nearby
Mesoscale Discussions in Georgia, 2004Mesoscale Discussions in Alabama, 2004Mesoscale Discussions in Tennessee, 2004Every mesoscale discussion in 2004
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.