Alert archive / Tennessee / Tornado Warnings in 1998

Tornado Warning 37, NWS Nashville, TN

April 8, 1998Franklin County, Tennessee

NWS Nashville, TN issued this tornado warning at Apr 8, 1998, 7:55 PM CDT for Franklin County, Tennessee. It was in force for 50 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
Apr 8, 1998, 7:55 PM CDT (00:55 UTC)
Expired
Apr 8, 1998, 8:45 PM CDT
In force
50 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Franklin County, TN

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 8, 6:30 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.9 hours before the alert went out and 118 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 1998-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1032 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 1998-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
1032 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1081 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
297 m²/s²
Significant tornado parameter
1.5
Supercell composite
8.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBNA 090055 RRA
TORBNA
TNC051-090145-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
755 PM CDT WED APR 8 1998
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN MIDDLE TENNESSEE
 
   ...NORTHERN FRANKLIN COUNTY
 
AT 755 PM CDT...DOPPLER RADAR INDICATED A TORNADO IN MOORE COUNTY JUST
EAST OF LYNCHBURG MOVING EAST AT 30 MPH. THIS STORM WILL MOVE INTO THE
TIMS FORD AREA BY 810 PM AND CROSS HIGHWAY 41A INTO ESTILL SPRINGS BY
820 PM.
 
 
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 BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 7:00 PM CDTTornado WarningOHXGiles35 min
Apr 8, 7:08 PM CDTSevere Thunderstorm WarningOHXWilson62 min
Apr 8, 7:16 PM CDTSevere Thunderstorm WarningOHXBedford59 min
Apr 8, 7:20 PM CDTTornado WarningOHXGiles, Lincoln60 min
Apr 8, 7:24 PM CDTSevere Thunderstorm WarningOHXRutherford, Williamson46 min
Apr 8, 7:26 PM CDTTornado WarningOHXBedford49 min
Apr 8, 7:37 PM CDTSevere Thunderstorm WarningOHXCoffee68 min
Apr 8, 7:42 PM CDTTornado WarningOHXMoore33 min
Apr 8, 7:43 PM CDTTornado WarningOHXCoffee47 min
Apr 8, 7:46 PM CDTSevere Thunderstorm WarningOHXPutnam44 min
Apr 8, 7:50 PM CDTSevere Thunderstorm WarningOHXLawrence40 min
Apr 8, 8:04 PM CDTSevere Thunderstorm WarningOHXMaury56 min
Apr 8, 8:08 PM CDTTornado WarningOHXGrundy, Warren47 min
Apr 8, 8:13 PM CDTSevere Thunderstorm WarningOHXClay, Jackson, Overton62 min
Apr 8, 8:32 PM CDTSevere Thunderstorm WarningOHXMarshall43 min
Apr 8, 8:36 PM CDTTornado WarningOHXSequatchie, Van Buren39 min
Apr 8, 8:42 PM CDTSevere Thunderstorm WarningOHXWhite48 min
Apr 8, 8:49 PM CDTSevere Thunderstorm WarningOHXBledsoe56 min
Apr 8, 9:03 PM CDTSevere Thunderstorm WarningOHXRutherford57 min
Apr 8, 9:13 PM CDTSevere Thunderstorm WarningOHXCannon47 min
Apr 8, 9:32 PM CDTSevere Thunderstorm WarningOHXDeKalb, Warren58 min
Apr 8, 9:54 PM CDTSevere Thunderstorm WarningOHXWhite36 min

Nearby

Tornado Warnings in Tennessee, 1998Every tornado warning in 1998Tornadoes in 1998

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.