Alert archive / Georgia / Mesoscale Discussions in 2005
Mesoscale Discussion 198
The Storm Prediction Center issued this mesoscale discussion at Feb 21, 2005, 5:48 PM CST for 21 counties in Alabama; 72 counties in Georgia; 8 counties in South Carolina. It was in force for 27 min.
The area
The outline as issued.
The facts
- Issued
- Feb 21, 2005, 5:48 PM CST (23:48 UTC)
- Expired
- Feb 21, 2005, 6:15 PM CST
- In force
- 27 min
- Issued by
- the Storm Prediction Center
All 101 counties
Blount County, AL, Calhoun County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Jefferson County, AL, Lawrence County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Walker County, AL, Winston County, AL, Baldwin County, GA, Barrow County, GA, Bartow County, GA, Bibb County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Butts County, GA, Candler County, GA, Carroll County, GA, Chatham County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Columbia County, GA, Coweta County, GA, Crawford County, GA, DeKalb County, GA, Douglas County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Glascock County, GA, Greene County, GA, Gwinnett County, GA, Hancock County, GA, Haralson 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, McDuffie County, GA, Meriwether County, GA, Monroe County, GA, Montgomery 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, Taliaferro County, GA, Tattnall County, GA, Toombs 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, Beaufort County, SC, Colleton County, SC, Hampton County, SC, Jasper County, SC
The radar
The Atlanta radar (KFFC), 26 km from the middle of the area, began a volume at 23:49 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 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, 11.8 hours before the alert went out and 26 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
- 88 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 553 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 177 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 |
|---|---|---|---|---|
| Feb 21, 7:50 AM CST | Mesoscale Discussion | SPC | Lauderdale | 55 min |
| Feb 21, 8:40 AM CST | Severe Thunderstorm Watch | SPC | Colbert, Cullman, DeKalb, Fayette, Franklin, Jackson and 8 more | 5 hr |
| Feb 21, 10:52 AM CST | Mesoscale Discussion | SPC | Blount, Cherokee, DeKalb, Etowah, Marshall | 113 min |
| Feb 21, 12:17 PM CST | Mesoscale Discussion | SPC | Blount, Calhoun, Cherokee, Cleburne, Colbert, Cullman and 12 more | 118 min |
| Feb 21, 12:45 PM CST | Severe Thunderstorm Watch | SPC | Blount, Calhoun, Cherokee, Cleburne, Colbert, Cullman and 17 more | 5 hr |
| Feb 21, 3:47 PM CST | Mesoscale Discussion | SPC | Blount, Calhoun, Cherokee, Cleburne, Cullman, DeKalb and 14 more | 118 min |
| Feb 21, 4:50 PM CST | Mesoscale Discussion | SPC | Barbour, Bullock, Butler, Coffee, Conecuh, Covington and 8 more | 55 min |
Nearby
Mesoscale Discussions in Georgia, 2005Mesoscale Discussions in Alabama, 2005Mesoscale Discussions in South Carolina, 2005Every mesoscale discussion in 2005
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.