Alert archive / Georgia / Mesoscale Discussions in 2003
Mesoscale Discussion 2396
The Storm Prediction Center issued this mesoscale discussion at Sep 22, 2003, 1:04 PM EDT for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 22, 2003, 1:04 PM EDT (17:04 UTC)
- Expired
- Sep 22, 2003, 3:30 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 45 counties
Banks County, GA, Bartow County, GA, Cherokee County, GA, Dawson County, GA, Fannin County, GA, Forsyth County, GA, Gilmer County, GA, Habersham County, GA, Hall County, GA, Lumpkin County, GA, Pickens County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, White County, GA, Avery County, NC, 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, Mitchell County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Oconee County, SC, Pickens County, SC, Blount County, TN, Carter County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Jefferson County, TN, Knox County, TN, Monroe County, TN, Polk County, TN, Sevier County, TN, Unicoi County, TN, Washington County, TN
The radar
The Knoxville radar (KMRX), 90 km from the middle of the area, began a volume at 17:04 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, 5.1 hours before the alert went out and 242 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
- -4 J/kg
- Mixed-layer LCL
- 468 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
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 |
|---|---|---|---|---|
| Sep 22, 10:47 AM EDT | Mesoscale Discussion | SPC | Bartow, Carroll, Chattahoochee, Cherokee, Clay, Clayton and 22 more | 2 hr |
| Sep 22, 6:57 PM EDT | Mesoscale Discussion | SPC | Alexander, Burke, Cabarrus, Catawba, Cleveland, Davidson and 17 more | 2 hr |
Nearby
Mesoscale Discussions in Georgia, 2003Mesoscale Discussions in North Carolina, 2003Mesoscale Discussions in Tennessee, 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.