Alert archive / Tennessee / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 884
The Storm Prediction Center issued this severe thunderstorm watch at Aug 22, 2003, 6:35 PM EDT for 34 counties in Tennessee. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 22, 2003, 6:35 PM EDT (22:35 UTC)
- Expired
- Aug 23, 2003, 12:00 AM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 34 counties
Anderson County, TN, Campbell County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Knox County, TN, Loudon County, TN, Macon County, TN, Montgomery County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Roane County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 25 km from the middle of the area, began a volume at 22:34 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.
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 6:47 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell | 43 min |
| Aug 22, 6:51 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 39 min |
| Aug 22, 7:29 PM EDT | Severe Thunderstorm Warning | OHX | Stewart | 46 min |
| Aug 22, 7:34 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 41 min |
| Aug 22, 7:37 PM EDT | Severe Thunderstorm Warning | OHX | Montgomery, Robertson | 53 min |
| Aug 22, 7:46 PM EDT | Flash Flood Warning | MRX | Morgan | 3 hr |
| Aug 22, 7:46 PM EDT | Severe Thunderstorm Warning | OHX | Macon, Sumner, Trousdale, Wilson | 44 min |
| Aug 22, 7:50 PM EDT | Severe Thunderstorm Warning | MRX | Campbell | 40 min |
| Aug 22, 7:52 PM EDT | Severe Thunderstorm Warning | OHX | Cumberland, Fentress, Jackson, Overton, Putnam, White | 38 min |
| Aug 22, 8:11 PM EDT | Severe Thunderstorm Warning | MRX | Anderson | 49 min |
| Aug 22, 8:13 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 47 min |
| Aug 22, 8:21 PM EDT | Severe Thunderstorm Warning | OHX | DeKalb, Smith | 39 min |
| Aug 22, 8:23 PM EDT | Tornado Warning | OHX | Robertson, Sumner | 37 min |
| Aug 22, 8:27 PM EDT | Severe Thunderstorm Warning | OHX | Davidson, Rutherford, Sumner, Williamson, Wilson | 48 min |
| Aug 22, 8:49 PM EDT | Severe Thunderstorm Warning | OHX | Davidson | 41 min |
| Aug 22, 8:51 PM EDT | Severe Thunderstorm Warning | MRX | Meigs, Rhea, Roane | 54 min |
| Aug 22, 9:00 PM EDT | Severe Thunderstorm Warning | OHX | Bedford, Cannon, Marshall, Maury, Rutherford, Williamson and 1 more | 45 min |
| Aug 22, 9:57 PM EDT | Severe Thunderstorm Warning | OHX | Benton, Humphreys | 48 min |
| Aug 22, 10:39 PM EDT | Severe Thunderstorm Warning | OHX | Benton, Humphreys, Perry | 51 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.6 hours before the alert went out and 33 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
- 2273 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 6:10 PM EDT | Mesoscale Discussion | SPC | Cheatham, Clay, Davidson, Dickson, Fentress, Henry and 15 more | 95 min |
Nearby
Severe Thunderstorm Watches in Tennessee, 2003Every severe thunderstorm watch 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.