Alert archive / Georgia / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 71
The Storm Prediction Center issued this severe thunderstorm watch at Apr 12, 2004, 2:10 PM CDT for 22 counties in Alabama; 64 counties in Georgia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 12, 2004, 2:10 PM CDT (19:10 UTC)
- Expired
- Apr 12, 2004, 7:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 86 counties
Barbour County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Coffee County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Elmore County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Tallapoosa County, AL, Baker County, GA, Banks County, GA, Barrow County, GA, Bartow County, GA, Bibb County, GA, Butts County, GA, Calhoun County, GA, Carroll County, GA, Chattahoochee County, GA, Cherokee County, GA, Clarke County, GA, Clay County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Crawford County, GA, DeKalb County, GA, Dougherty County, GA, Douglas County, GA, Early County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Lee County, GA, Macon County, GA, Madison County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Peach County, GA, Pike County, GA, Polk County, GA, Quitman County, GA, Randolph County, GA, Rockdale County, GA, Schley County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Terrell County, GA, Troup County, GA, Upson County, GA, Walton County, GA, Webster County, GA
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 6:00 PM CDT | Severe Thunderstorm Warning | FFC | Chattahoochee, Muscogee | 30 min |
| Apr 12, 6:12 PM CDT | Severe Thunderstorm Warning | FFC | Harris | 33 min |
| Apr 12, 6:17 PM CDT | Severe Thunderstorm Warning | BMX | Macon | 28 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.2 hours before the alert went out and 135 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
- 629 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 1:33 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bullock, Butler, Chambers, Chilton and 18 more | 117 min |
| Apr 12, 6:31 PM CDT | Mesoscale Discussion | SPC | Barbour, Bullock, Butler, Chambers, Clay, Coffee and 15 more | 59 min |
| Apr 12, 6:50 PM CDT | Severe Thunderstorm Watch | SPC | Barbour, Bullock, Chambers, Clay, Coffee, Crenshaw and 12 more | 5 hr |
| Apr 12, 1:18 AM CDT | Mesoscale Discussion | SPC | Chatham, Effingham, Screven | 87 min |
| Apr 12, 12:52 PM CDT | Mesoscale Discussion | SPC | Bryan, Bulloch, Burke, Candler, Chatham, Effingham and 7 more | 113 min |
| Apr 12, 1:25 PM CDT | Tornado Watch | SPC | Baldwin, Bleckley, Burke, Columbia, Emanuel, Glascock and 19 more | 6 hr |
| Apr 12, 3:44 PM CDT | Mesoscale Discussion | SPC | Baldwin, Bleckley, Burke, Columbia, Dodge, Emanuel and 19 more | 91 min |
Nearby
Severe Thunderstorm Watches in Georgia, 2004Severe Thunderstorm Watches in Alabama, 2004Every severe thunderstorm watch 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.