Alert archive / Georgia / Mesoscale Discussions in 2004
Mesoscale Discussion 344
The Storm Prediction Center issued this mesoscale discussion at Apr 12, 2004, 6:31 PM CDT for 21 counties in Alabama; 27 counties in Georgia. It was in force for 59 min.
The area
The outline as issued.
The facts
- Issued
- Apr 12, 2004, 6:31 PM CDT (23:31 UTC)
- Expired
- Apr 12, 2004, 7:30 PM CDT
- In force
- 59 min
- Issued by
- the Storm Prediction Center
All 48 counties
Barbour County, AL, Bullock County, AL, Butler County, AL, Chambers County, AL, Clay County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Crenshaw County, AL, Dale County, AL, Elmore County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Tallapoosa County, AL, Baker County, GA, Butts County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Coweta County, GA, Early County, GA, Fayette County, GA, Harris County, GA, Heard County, GA, Lamar County, GA, Marion County, GA, Meriwether County, GA, Muscogee County, GA, Pike County, GA, Quitman County, GA, Randolph 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, Webster 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, 11.5 hours before the alert went out and 119 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
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 12, 1:33 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bullock, Butler, Chambers, Chilton and 18 more | 117 min |
| Apr 12, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Barbour, Bullock, Calhoun, Chambers, Cherokee, Clay and 16 more | 5 hr |
| 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
Mesoscale Discussions in Georgia, 2004Mesoscale Discussions in Alabama, 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.