Alert archive / Tennessee / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 153
The Storm Prediction Center issued this severe thunderstorm watch at Apr 15, 2001, 8:00 AM CDT for 5 counties in Alabama; 8 counties in Georgia; 37 counties in Tennessee. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 15, 2001, 8:00 AM CDT (13:00 UTC)
- Expired
- Apr 15, 2001, 1:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 50 counties
DeKalb County, AL, Jackson County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Catoosa County, GA, Chattooga County, GA, Dade County, GA, Floyd County, GA, Gordon County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA, Anderson 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, Grainger County, TN, Grundy County, TN, Hamilton County, TN, Hancock County, TN, Jackson 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, Overton County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:11 AM CDT | Severe Thunderstorm Warning | MRX | Marion, Sequatchie | 49 min |
| Apr 15, 8:11 AM CDT | Severe Thunderstorm Warning | MRX | Bledsoe | 49 min |
| Apr 15, 8:33 AM CDT | Severe Thunderstorm Warning | MRX | Hamilton, Meigs, Rhea | 42 min |
| Apr 15, 9:04 AM CDT | Severe Thunderstorm Warning | MRX | Bradley | 41 min |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 1.0 hours before the alert went out and 142 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
- 855 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 482 m²/s²
- 0-3 km storm-relative helicity
- 473 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 5:15 AM CDT | Severe Thunderstorm Watch | SPC | Colbert, Franklin, Lauderdale, Lawrence, Limestone | 6 hr |
| Apr 15, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Lake | 4 hr |
| Apr 15, 2:45 AM CDT | Severe Thunderstorm Watch | SPC | Lauderdale, Tipton | 5 hr |
Nearby
Severe Thunderstorm Watches in Tennessee, 2001Severe Thunderstorm Watches in Georgia, 2001Severe Thunderstorm Watches in Alabama, 2001Every severe thunderstorm watch in 2001
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.