Alert archive / Tennessee / Tornado Warnings in 1986
Tornado Warning 1, NWS Nashville, TN
NWS Nashville, TN issued this tornado warning at Feb 17, 1986, 2:50 PM CST for Cheatham County, Davidson County, Williamson County, Tennessee. It was in force for 70 min.
The area
The counties it named.
The facts
- Issued
- Feb 17, 1986, 2:50 PM CST (20:50 UTC)
- Expired
- Feb 17, 1986, 4:00 PM CST
- In force
- 70 min
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
Counties Cheatham County, TN, Davidson County, TN, Williamson County, TN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 8.8 hours before the alert went out and 29 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
- 53 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 584 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 307 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 17, 4:00 PM CST | Severe Thunderstorm Warning | OHX | Giles, Lawrence, Maury | 45 min |
Nearby
Tornado Warnings in Tennessee, 1986Every tornado warning in 1986Tornadoes in 1986
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.