Alert archive / Georgia / Mesoscale Discussions in 2005
Mesoscale Discussion 192
The Storm Prediction Center issued this mesoscale discussion at Feb 21, 2005, 12:17 PM CST for 4 states. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Feb 21, 2005, 12:17 PM CST (18:17 UTC)
- Expired
- Feb 21, 2005, 2:15 PM CST
- In force
- 118 min
- Issued by
- the Storm Prediction Center
All 71 counties
Blount County, AL, Calhoun County, AL, Cherokee County, AL, Cleburne County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Franklin County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Winston County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Cobb County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Elbert County, GA, Floyd County, GA, Forsyth County, GA, Franklin 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, Hart County, GA, Jackson County, GA, Lincoln County, GA, Lumpkin County, GA, Madison County, GA, Morgan County, GA, Murray County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Rockdale County, GA, Stephens County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA, Alcorn County, MS, Itawamba County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Abbeville County, SC, Edgefield County, SC, Greenwood County, SC, McCormick County, SC, Saluda County, SC
The radar
The Northeast Alabama radar (KHTX), 77 km from the middle of the area, began a volume at 18:18 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, 6.3 hours before the alert went out and 151 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, 12:45 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 |
| Feb 21, 5:48 PM CST | Mesoscale Discussion | SPC | Blount, Calhoun, Cherokee, Clay, Cleburne, Cullman and 15 more | 27 min |
| Feb 21, 12:30 AM CST | Severe Thunderstorm Watch | SPC | Alcorn, Benton, DeSoto, Marshall, Tippah, Tishomingo | 6 hr |
| Feb 21, 2:10 AM CST | Mesoscale Discussion | SPC | Alcorn, Benton, DeSoto, Marshall, Tate, Tippah and 2 more | 95 min |
| Feb 21, 4:29 AM CST | Mesoscale Discussion | SPC | Alcorn | 2 hr |
| Feb 21, 5:45 AM CST | Severe Thunderstorm Watch | SPC | Alcorn, Benton, DeSoto, Marshall, Prentiss, Tate and 3 more | 3 hr |
| Feb 21, 3:58 PM CST | Mesoscale Discussion | SPC | Bolivar, Coahoma, Grenada, Lafayette, Leflore, Montgomery and 7 more | 92 min |
Nearby
Mesoscale Discussions in Georgia, 2005Mesoscale Discussions in Alabama, 2005Mesoscale Discussions in Mississippi, 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.