Alert archive / Tennessee / Tornado Warnings in 1997

Tornado Warning 33, NWS Nashville, TN

March 1, 1997Williamson County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 1, 1997, 2:53 AM CST for Williamson County, Tennessee. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 1, 1997, 2:53 AM CST (08:53 UTC)
Expired: Mar 1, 1997, 3:45 AM CST
In force: 52 min
Issued by: NWS Nashville, TN
Area: Whole counties

County Williamson County, TN

The radar

The Nashville radar (KOHX), 50 km from the middle of the area, began a volume at 08:53 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 1, 1:00 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.9 hours before the alert went out and 38 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 535 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 328 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBNA 010855 RRA
TORBNA
TNC187-010945-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
253 AM CST SAT MAR 1 1997
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  345 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN MIDDLE TENNESSEE
 
   ...WILLIAMSON COUNTY
 
AT 255 AM CST DOPPLER WEATHER RADAR CONTINUED TO INDICATE A TORNADO
MOVING NORTHEAST THROUGH WILLIAMSON COUNTY NEAR FRANKLIN TENNESSEE.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLADNKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
BOYD

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 28, 7:37 PM CST	Severe Thunderstorm Warning	OHX	Davidson	38 min
Mar 1, 12:36 AM CST	Severe Thunderstorm Warning	OHX	Wayne	54 min
Mar 1, 1:04 AM CST	Tornado Warning	OHX	Wayne	26 min
Mar 1, 1:13 AM CST	Tornado Warning	OHX	Lawrence, Lewis	47 min
Mar 1, 1:41 AM CST	Tornado Warning	OHX	Maury	49 min
Mar 1, 2:13 AM CST	Tornado Warning	OHX	Williamson	47 min
Mar 1, 2:49 AM CST	Severe Thunderstorm Warning	OHX	Stewart	41 min
Mar 1, 2:55 AM CST	Tornado Warning	OHX	Davidson	65 min
Mar 1, 2:58 AM CST	Tornado Warning	OHX	Wayne	62 min
Mar 1, 3:34 AM CST	Tornado Warning	OHX	Lawrence	56 min
Mar 1, 3:47 AM CST	Severe Thunderstorm Warning	OHX	Sumner	28 min
Mar 1, 3:55 AM CST	Tornado Warning	OHX	Benton, Decatur	35 min
Mar 1, 3:59 AM CST	Tornado Warning	OHX	Humphreys	61 min
Mar 1, 4:09 AM CST	Tornado Warning	OHX	Macon, Sumner	36 min
Mar 1, 4:29 AM CST	Severe Thunderstorm Warning	OHX	Dickson	61 min
Mar 1, 4:33 AM CST	Severe Thunderstorm Warning	OHX	Decatur	42 min
Mar 1, 4:37 AM CST	Flash Flood Warning	OHX	Benton	3 hr
Mar 1, 5:11 AM CST	Flash Flood Warning	OHX	Dickson, Humphreys	3 hr
Mar 1, 5:11 AM CST	Flash Flood Warning	OHX	Decatur	3 hr
Mar 1, 5:19 AM CST	Severe Thunderstorm Warning	OHX	Robertson	26 min
Mar 1, 6:12 AM CST	Flash Flood Warning	OHX	Cheatham, Robertson, Sumner	3 hr
Mar 1, 6:55 AM CST	Severe Thunderstorm Warning	OHX	Perry	65 min
Mar 1, 7:10 AM CST	Tornado Warning	OHX	Perry	50 min
Mar 1, 7:17 AM CST	Tornado Warning	OHX	Decatur	43 min
Mar 1, 7:21 AM CST	Tornado Warning	OHX	Hickman	54 min
Mar 1, 8:05 AM CST	Tornado Warning	OHX	Williamson	40 min
Mar 1, 10:24 AM CST	Flash Flood Warning	OHX	Stewart	3 hr
Mar 1, 1:11 PM CST	Flash Flood Warning	OHX	Stewart	3 hr
Mar 1, 1:26 PM CST	Flash Flood Warning	OHX	Montgomery	3 hr

Nearby

Tornado Warnings in Tennessee, 1997 Every tornado warning in 1997 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.