Alert archive / Georgia / Mesoscale Discussions in 2003
Mesoscale Discussion 1757
The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2003, 10:20 AM EDT for 6 states. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Jul 10, 2003, 10:20 AM EDT (14:20 UTC)
- Expired
- Jul 10, 2003, 11:45 AM EDT
- In force
- 85 min
- Issued by
- the Storm Prediction Center
All 94 counties
Banks County, GA, Barrow County, GA, Catoosa County, GA, Cherokee County, GA, Clarke County, GA, Dawson County, GA, Elbert County, GA, Fannin County, GA, Forsyth County, GA, Franklin County, GA, Gilmer County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Hart County, GA, Jackson County, GA, Lincoln County, GA, Lumpkin County, GA, Madison County, GA, Murray County, GA, Oconee County, GA, Oglethorpe County, GA, Pickens County, GA, Rabun County, GA, Stephens County, GA, Taliaferro County, GA, Towns County, GA, Union County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA, Bell County, KY, Clay County, KY, Harlan County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, McCreary County, KY, Wayne County, KY, Whitley County, KY, Buncombe 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, Polk County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Abbeville County, SC, Anderson County, SC, Greenville County, SC, Greenwood County, SC, McCormick County, SC, Oconee County, SC, Pickens County, SC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Claiborne County, TN, Cocke County, TN, Cumberland County, TN, Fentress County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Pickett County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sevier County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, Lee County, VA, Scott County, VA
The radar
The Knoxville radar (KMRX), 71 km from the middle of the area, began a volume at 14:19 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, 2.3 hours before the alert went out and 257 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
- 1832 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 694 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
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 |
|---|---|---|---|---|
| Jul 10, 11:20 AM EDT | Severe Thunderstorm Watch | SPC | Baldwin, Banks, Barrow, Bartow, Burke, Butts and 58 more | 7 hr |
| Jul 10, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | Carroll, Catoosa, Chattooga, Dade, Floyd, Haralson and 4 more | 5 hr |
| Jul 10, 2:33 PM EDT | Mesoscale Discussion | SPC | Baldwin, Banks, Barrow, Bartow, Burke, Butts and 66 more | 117 min |
| Jul 10, 5:38 PM EDT | Mesoscale Discussion | SPC | Banks, Bartow, Catoosa, Chattooga, Cherokee, Cobb and 27 more | 37 min |
| Jul 10, 7:53 PM EDT | Mesoscale Discussion | SPC | Fannin, Murray, Towns | 97 min |
| Jul 9, 9:20 PM EDT | Severe Thunderstorm Watch | SPC | Oldham | 6 hr |
| Jul 10, 11:23 AM EDT | Mesoscale Discussion | SPC | Allen, Barren, Cumberland, Edmonson, Logan, Monroe and 2 more | 97 min |
| Jul 10, 12:13 PM EDT | Mesoscale Discussion | SPC | Anderson, Bath, Boone, Bourbon, Boyle, Bracken and 47 more | 2 hr |
| Jul 10, 12:30 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Anderson, Barren, Bath, Boone and 80 more | 6 hr |
| Jul 10, 2:23 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bourbon and 74 more | 97 min |
| Jul 10, 3:45 PM EDT | Severe Thunderstorm Watch | SPC | Bell, Breathitt, Clay, Floyd, Harlan, Johnson and 10 more | 6 hr |
| Jul 9, 9:23 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Camden, Chowan, Cumberland, Currituck and 15 more | 97 min |
| Jul 10, 5:50 PM EDT | Severe Thunderstorm Watch | SPC | Alleghany, Ashe, Avery, Buncombe, Cherokee, Clay and 11 more | 4 hr |
| Jul 10, 6:25 PM EDT | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Augusta and 51 more | 65 min |
| Jul 10, 6:50 PM EDT | Severe Thunderstorm Watch | SPC | Albemarle, Alleghany, Amherst, Appomattox, Augusta, Bath and 52 more | 6 hr |
| Jul 10, 6:57 PM EDT | Mesoscale Discussion | SPC | Bland, Buchanan, Dickenson, Highland, Lee, Russell and 7 more | 93 min |
Nearby
Mesoscale Discussions in Georgia, 2003Mesoscale Discussions in Tennessee, 2003Mesoscale Discussions in North Carolina, 2003Every mesoscale discussion in 2003
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.