Alert archive / Georgia / Mesoscale Discussions in 2007
Mesoscale Discussion 1109
The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2007, 11:02 AM CDT for 5 states. It was in force for 58 min.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2007, 11:02 AM CDT (16:02 UTC)
- Expired
- Jun 12, 2007, 12:00 PM CDT
- In force
- 58 min
- Issued by
- the Storm Prediction Center
All 79 counties
Cherokee County, AL, Cleburne County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Elbert County, GA, Fannin County, GA, Floyd County, GA, Forsyth County, GA, Franklin County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Hart County, GA, Jackson County, GA, Lumpkin County, GA, Madison County, GA, Murray County, GA, Oconee County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Rabun County, GA, Rockdale County, GA, Stephens County, GA, Towns County, GA, Union County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Ashe County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Watauga County, NC, Yancey County, NC, Anderson County, SC, Greenville County, SC, Oconee County, SC, Pickens County, SC, Bradley County, TN, Carter County, TN, Cocke County, TN, Johnson County, TN, Polk County, TN, Sevier County, TN, Unicoi County, TN, Washington County, TN
The radar
The Greer radar (KGSP), 109 km from the middle of the area, began a volume at 16:07 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, 4.0 hours before the alert went out and 208 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
- 317 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
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 |
|---|---|---|---|---|
| Jun 12, 5:03 AM CDT | Mesoscale Discussion | SPC | Lee, Russell | 57 min |
| Jun 12, 12:36 PM CDT | Mesoscale Discussion | SPC | Geneva, Henry, Houston | 54 min |
| Jun 12, 3:02 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bullock, Butler, Chambers, Coffee and 19 more | 28 min |
| Jun 12, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | Barbour, Bullock, Butler, Coffee, Conecuh, Covington and 12 more | 5 hr |
| Jun 12, 7:25 AM CDT | Severe Thunderstorm Watch | SPC | Camden, Charlton, Clinch, Echols, Ware | 7 hr |
| Jun 12, 10:09 AM CDT | Mesoscale Discussion | SPC | Camden, Charlton, Clinch, Echols, Lanier, Lowndes and 1 more | 36 min |
| Jun 12, 1:23 PM CDT | Severe Thunderstorm Watch | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 80 more | 8 hr |
| Jun 12, 3:48 PM CDT | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 86 more | 57 min |
Nearby
Mesoscale Discussions in Georgia, 2007Mesoscale Discussions in North Carolina, 2007Mesoscale Discussions in Tennessee, 2007Every mesoscale discussion in 2007
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.