Alert archive / Tennessee / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 7, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Feb 21, 1993, 1:28 PM CST for DeKalb County, Putnam County, Smith County, Tennessee. It was in force for 47 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 21, 1993, 1:28 PM CST (19:28 UTC)
- Expired
- Feb 21, 1993, 2:15 PM CST
- In force
- 47 min
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
Counties DeKalb County, TN, Putnam County, TN, Smith County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 21, 1:52 PM CST | Tornado F3 | Double Springs, TN | Eight homes were destroyed and 15 others were damaged. One person was trapped in a van after a tree was knocked down on top of it. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 7.5 hours before the alert went out and 75 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
- 649 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 442 m²/s²
- 0-3 km storm-relative helicity
- 498 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.
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 11:36 AM CST | Severe Thunderstorm Warning | OHX | Hickman | 69 min |
| Feb 21, 12:20 PM CST | Severe Thunderstorm Warning | OHX | Williamson | 40 min |
| Feb 21, 12:45 PM CST | Severe Thunderstorm Warning | OHX | Davidson, Rutherford | 60 min |
| Feb 21, 12:45 PM CST | Severe Thunderstorm Warning | OHX | Maury | 60 min |
| Feb 21, 1:02 PM CST | Severe Thunderstorm Warning | OHX | Marshall | 43 min |
| Feb 21, 1:12 PM CST | Severe Thunderstorm Warning | OHX | Wilson | 48 min |
| Feb 21, 1:47 PM CST | Severe Thunderstorm Warning | OHX | Coffee | 43 min |
| Feb 21, 1:58 PM CST | Tornado Warning | OHX | Putnam | 32 min |
| Feb 21, 2:09 PM CST | Severe Thunderstorm Warning | OHX | Warren, White | 66 min |
| Feb 21, 2:34 PM CST | Severe Thunderstorm Warning | OHX | Lincoln | 56 min |
| Feb 21, 3:21 PM CST | Severe Thunderstorm Warning | OHX | Coffee | 69 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1993Every severe thunderstorm warning in 1993
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.