Alert archive / Georgia / Mesoscale Discussions in 2005
Mesoscale Discussion 669
The Storm Prediction Center issued this mesoscale discussion at Apr 22, 2005, 10:01 PM CDT for 4 counties in Alabama; 29 counties in Georgia. It was in force for 89 min.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2005, 10:01 PM CDT (03:01 UTC)
- Expired
- Apr 22, 2005, 11:30 PM CDT
- In force
- 89 min
- Issued by
- the Storm Prediction Center
All 33 counties
Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Atkinson County, GA, Baker County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Charlton County, GA, Clay County, GA, Clinch County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Ware County, GA, Worth 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
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 3.0 hours before the alert went out and 101 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
- 407 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1494 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
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 22, 8:28 PM CDT | Mesoscale Discussion | SPC | Autauga, Baldwin, Bibb, Bullock, Butler, Chambers and 30 more | 2 hr |
| Apr 22, 8:50 PM CDT | Severe Thunderstorm Watch | SPC | Autauga, Baldwin, Barbour, Bullock, Butler, Chambers and 27 more | 5 hr |
| Apr 22, 11:14 PM CDT | Mesoscale Discussion | SPC | Autauga, Bullock, Butler, Chambers, Clarke, Conecuh and 14 more | 91 min |
| Apr 22, 9:15 PM CDT | Mesoscale Discussion | SPC | Brantley, Camden, Charlton, Glynn, McIntosh, Pierce | 60 min |
| Apr 22, 9:43 PM CDT | Mesoscale Discussion | SPC | Cobb, Forsyth, Paulding, Polk | 62 min |
| Apr 22, 11:15 PM CDT | Severe Thunderstorm Watch | SPC | Decatur, Echols | 4 hr |
Nearby
Mesoscale Discussions in Georgia, 2005Mesoscale Discussions in Alabama, 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.