Alert archive / Georgia / Mesoscale Discussions in 2009
Mesoscale Discussion 397
The Storm Prediction Center issued this mesoscale discussion at Apr 5, 2009, 9:29 AM CDT for 10 counties in Alabama; 104 counties in Georgia. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Apr 5, 2009, 9:29 AM CDT (14:29 UTC)
- Expired
- Apr 5, 2009, 11:00 AM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 114 counties
Chambers County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Lee County, AL, Macon County, AL, Randolph County, AL, Russell County, AL, Talladega County, AL, Tallapoosa County, AL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brantley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Butts County, GA, Calhoun County, GA, Camden County, GA, Candler County, GA, Carroll County, GA, Chattahoochee County, GA, Clayton County, GA, Cobb County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Douglas County, GA, Effingham County, GA, Emanuel County, GA, Evans County, GA, Fayette County, GA, Fulton County, GA, Glascock County, GA, Glynn County, GA, Greene County, GA, Hancock County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Irwin County, GA, Jasper County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Liberty County, GA, Long County, GA, Macon County, GA, Marion County, GA, McIntosh County, GA, Meriwether County, GA, Mitchell County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Paulding County, GA, Peach County, GA, Pierce County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Quitman County, GA, Randolph County, GA, Rockdale County, GA, Schley County, GA, Screven County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Tattnall County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Troup County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Ware County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA
The radar
The Robins AFB radar (KJGX), 72 km from the middle of the area, began a volume at 14:29 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 nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.5 hours before the alert went out and 116 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
- 1202 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 137 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 5, 5:57 AM CDT | Mesoscale Discussion | SPC | Baldwin, Barbour, Bullock, Butler, Choctaw, Clarke and 18 more | 93 min |
| Apr 5, 4:02 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bullock, Butler, Clarke, Coffee and 14 more | 58 min |
| Apr 5, 5:05 PM CDT | Tornado Watch | SPC | Autauga, Barbour, Bullock, Butler, Chambers, Chilton and 21 more | 6 hr |
| Apr 5, 6:19 PM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Jackson, Lauderdale, Lawrence, Limestone and 1 more | 86 min |
| Apr 5, 1:28 PM CDT | Mesoscale Discussion | SPC | Appling, Atkinson, Bacon, Berrien, Brantley, Camden and 10 more | 62 min |
Nearby
Mesoscale Discussions in Georgia, 2009Mesoscale Discussions in Alabama, 2009Every mesoscale discussion in 2009
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.