Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 39, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Feb 21, 1997, 6:57 AM CST for Maury County, Tennessee. It was in force for 48 min. 3 reports 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, 1997, 6:57 AM CST (12:57 UTC)
- Expired
- Feb 21, 1997, 7:45 AM CST
- In force
- 48 min
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
County Maury County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 21, 7:10 AM CST | Thunderstorm Wind | Columbia, TN | |
| Feb 21, 7:40 AM CST | Thunderstorm Wind | Mt Pleasant, TN | |
| Feb 21, 7:40 AM CST | Thunderstorm Wind | Porters Chapel, TN |
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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 21, 4:45 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 1.0 hours before the alert went out and 71 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
- 133 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 392 m²/s²
- 0-3 km storm-relative helicity
- 598 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBNA 211259 RRA SVRBNA TNC119-211345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NASHVILLE TN 657 AM CST FRI FEB 21 1997 THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN MIDDLE TENNESSEE ...MAURY COUNTY SHORTLY BEFORE 7 AM CST...SEVERE THUNDERSTORMS WERE INDICATED IN MAURY COUNTY...JUST SOUTHWEST OF COLUMBIA AND NEAR WILLIAMSPORT... MOVING NORTHEAST AT 45 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 6:01 AM CST | Severe Thunderstorm Warning | OHX | Houston, Humphreys | 44 min |
| Feb 21, 6:04 AM CST | Severe Thunderstorm Warning | OHX | Stewart | 41 min |
| Feb 21, 6:07 AM CST | Severe Thunderstorm Warning | OHX | Lawrence, Wayne | 53 min |
| Feb 21, 6:35 AM CST | Flash Flood Warning | OHX | Benton | 3 hr |
| Feb 21, 6:48 AM CST | Severe Thunderstorm Warning | OHX | Montgomery | 57 min |
| Feb 21, 7:06 AM CST | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Williamson | 69 min |
| Feb 21, 7:33 AM CST | Severe Thunderstorm Warning | OHX | Rutherford, Sumner, Wilson | 57 min |
| Feb 21, 7:59 AM CST | Severe Thunderstorm Warning | OHX | Franklin | 46 min |
| Feb 21, 8:10 AM CST | Severe Thunderstorm Warning | OHX | Cannon, DeKalb, Smith | 50 min |
| Feb 21, 8:17 AM CST | Severe Thunderstorm Warning | OHX | Coffee, Grundy | 43 min |
| Feb 21, 8:27 AM CST | Severe Thunderstorm Warning | OHX | Jackson | 48 min |
| Feb 21, 8:32 AM CST | Severe Thunderstorm Warning | OHX | Warren | 43 min |
| Feb 21, 8:46 AM CST | Severe Thunderstorm Warning | OHX | Overton, Pickett | 44 min |
| Feb 21, 8:54 AM CST | Severe Thunderstorm Warning | OHX | White | 51 min |
| Feb 21, 9:02 AM CST | Severe Thunderstorm Warning | OHX | Putnam | 43 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1997Every severe thunderstorm warning in 1997
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.