Alert archive / Georgia / Mesoscale Discussions in 2006
Mesoscale Discussion 914
The Storm Prediction Center issued this mesoscale discussion at May 20, 2006, 7:47 PM CDT for 5 states. It was in force for 28 min.
The area
The outline as issued.
The facts
- Issued
- May 20, 2006, 7:47 PM CDT (00:47 UTC)
- Expired
- May 20, 2006, 8:15 PM CDT
- In force
- 28 min
- Issued by
- the Storm Prediction Center
All 94 counties
DeKalb County, AL, Jackson County, AL, Madison County, AL, Banks County, GA, Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Dade County, GA, Dawson County, GA, Elbert County, GA, Fannin County, GA, Floyd County, GA, Forsyth County, GA, Franklin County, GA, Gilmer County, GA, Gordon County, GA, Habersham County, GA, Hall County, GA, Hart County, GA, Jackson County, GA, Lumpkin County, GA, Madison County, GA, Murray County, GA, Pickens County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Catawba County, NC, Cherokee County, NC, Clay County, NC, Cleveland County, NC, Gaston County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Lincoln County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mecklenburg County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Union County, NC, Yancey County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenville County, SC, Greenwood County, SC, Laurens County, SC, McCormick County, SC, Newberry County, SC, Oconee County, SC, Pickens County, SC, Spartanburg County, SC, Union County, SC, York County, SC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Cocke County, TN, Coffee County, TN, Cumberland County, TN, Franklin County, TN, Grundy County, TN, Hamilton County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Sequatchie County, TN, Sevier County, TN, Van Buren County, TN
The radar
The Greer radar (KGSP), 118 km from the middle of the area, began a volume at 00:49 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 00:00Z, 0.8 hours before the alert went out and 192 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
- 2905 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 277 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 |
|---|---|---|---|---|
| May 20, 8:04 PM CDT | Severe Thunderstorm Watch | SPC | DeKalb, Jackson, Limestone, Madison, Marshall | 9 hr |
| May 20, 9:28 PM CDT | Mesoscale Discussion | SPC | Colbert, Lauderdale, Lawrence, Limestone | 62 min |
| May 20, 11:32 PM CDT | Mesoscale Discussion | SPC | Colbert, DeKalb, Jackson, Lauderdale, Lawrence, Limestone and 3 more | 88 min |
| May 21, 3:12 PM CDT | Mesoscale Discussion | SPC | Jackson, Lauderdale, Limestone, Madison | 93 min |
| May 21, 3:35 PM CDT | Severe Thunderstorm Watch | SPC | DeKalb, Jackson, Lauderdale, Limestone, Madison | 6 hr |
| May 21, 11:50 AM CDT | Mesoscale Discussion | SPC | Banks, Elbert, Franklin, Hart, Stephens | 55 min |
| May 21, 12:22 PM CDT | Severe Thunderstorm Watch | SPC | Elbert, Franklin, Habersham, Hart, Rabun, Stephens | 5 hr |
| May 20, 8:35 PM CDT | Mesoscale Discussion | SPC | Beaufort, Bladen, Brunswick, Carteret, Chatham, Columbus and 22 more | 55 min |
| May 21, 2:39 PM CDT | Mesoscale Discussion | SPC | Anson, Bladen, Brunswick, Columbus, New Hanover, Pender and 4 more | 66 min |
| May 21, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | Anson, Bladen, Brunswick, Columbus, New Hanover, Pender and 3 more | 3 hr |
| May 21, 4:46 PM CDT | Mesoscale Discussion | SPC | Bladen, Brunswick, Columbus, New Hanover, Pender, Richmond and 2 more | 89 min |
Nearby
Mesoscale Discussions in Georgia, 2006Mesoscale Discussions in Tennessee, 2006Mesoscale Discussions in North Carolina, 2006Every mesoscale discussion in 2006
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.