Alert archive / Tennessee / Mesoscale Discussions in 2004
Mesoscale Discussion 1774
The Storm Prediction Center issued this mesoscale discussion at Jul 25, 2004, 1:51 PM CDT for 5 states. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Jul 25, 2004, 1:51 PM CDT (18:51 UTC)
- Expired
- Jul 25, 2004, 3:45 PM CDT
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 67 counties
Jackson County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Catoosa County, GA, Dade County, GA, Walker County, GA, Whitfield County, GA, Bell County, KY, Clay County, KY, Clinton County, KY, Harlan County, KY, Knox County, KY, Leslie County, KY, McCreary County, KY, Wayne County, KY, Whitley County, KY, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Cannon County, TN, Claiborne County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, DeKalb County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grainger County, TN, Grundy County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Jackson County, TN, Jefferson County, TN, Knox County, TN, Lincoln County, TN, Loudon County, TN, Marion County, TN, Marshall County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Smith County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Lee County, VA
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 6.9 hours before the alert went out and 131 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
- 433 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 914 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
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 25, 2:05 PM CDT | Mesoscale Discussion | SPC | Autauga, Baldwin, Bibb, Blount, Calhoun, Chilton and 18 more | 3 hr |
Nearby
Mesoscale Discussions in Tennessee, 2004Mesoscale Discussions in Kentucky, 2004Mesoscale Discussions in Alabama, 2004Every mesoscale discussion in 2004
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.