Alert archive / Tennessee / Tornado Warnings in 1998

Tornado Warning 146, NWS Nashville, TN

June 2, 1998Sequatchie County, Tennessee

NWS Nashville, TN issued this tornado warning at Jun 2, 1998, 4:53 AM CDT for Sequatchie County, Tennessee. It was in force for 32 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
Jun 2, 1998, 4:53 AM CDT (09:53 UTC)
Expired
Jun 2, 1998, 5:25 AM CDT
In force
32 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Sequatchie County, TN

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 2, 4:30 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 9.9 hours before the alert went out and 137 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 1998-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 1998-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939587897117136Sfc1 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
2 J/kg
Mixed-layer CIN
-459 J/kg
Mixed-layer LCL
1888 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

295 
WFUS1 KBNA 020950 RRA
TORBNA
TNC153-021025-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
453 AM CDT TUE JUN 2 1998

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN SEQUATCHIE COUNTY IN SOUTHEASTERN TENNESSEE

* UNTIL 525 AM CDT

* AT 452 AM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO 9 MILES EAST OF ALTAMONT OR 8 MILES NORTHWEST OF DAUS
  MOVING SOUTHEAST AT 40 MPH.

* TORNADO IS EXPECTED TO BE NEAR...
  DAUS  AT 505 AM CDT
  CARTWRIGHT AT 505 AM CDT
  LONE OAK AT 515 AM CDT

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

CBD

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this tornado warning went out at Jun 2, 3:25 AM CDT, 1 hour 28 minutes earlier.

Area forecast discussion, Jun 2, 3:25 AM CDT, 1 hour 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
325 AM CDT JUN 2 1998

...SEVERE THUNDERSTORM WATCH UNTIL 8 AM...

TSTORM HAVE DEVELOPED RAPIDLY ALONG NE/SW ORIENTED WARM FRONT ACROSS
FA THIS MRNG. MID LEVEL JET STREAK EVIDENT ON IR SAT IMAGERY AS WELL
AS 70+ DEGREE DEWPOINTS FEEDING INTO STORMS HAS ADDED FUEL TO THE FIRE.
THUS...NOT MUCH TIME TO LOOK AT GRIDDED DATA.

EXPECT FRONTAL BOUNDARY TO REMAIN NEARLY STATIONARY ACROSS FA TODAY
GIVING A CONTINUED CHANCE OF CONVECTION. UNSEASONABLY STRONG SOUTHERN
CANADIAN VORTEX WILL DRIVE A COLD FRONT OUT OF THE NORTHERN PLAINS
AND INTO THE NRN TN VLY ON WED. WARM AIR IN THE MID LAYERS WILL SPREAD
OUT OF THE SRN PLAINS AND INTO THE REGION ON WED...POSSIBLY INHIBITING
SRN EXTENT OF CONVECTION. ATTM...WUD INTRODUCE SLGT CHC POPS FOR TNGT
AND CHC POPS FOR WED ACROSS THE NRN 2/3 OF MDL TN. AS FOR TEMPS...FWC
PD1 TEMPS LOOKS TO WARM BUT IN THE BALLPARK PDS 2 AND 3.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 12:57 AM CDTSevere Thunderstorm WarningOHXBenton, Houston, Humphreys33 min
Jun 2, 1:16 AM CDTSevere Thunderstorm WarningOHXDickson49 min
Jun 2, 1:41 AM CDTSevere Thunderstorm WarningOHXCheatham, Davidson64 min
Jun 2, 2:12 AM CDTSevere Thunderstorm WarningOHXWilson33 min
Jun 2, 2:18 AM CDTSevere Thunderstorm WarningOHXWilliamson47 min
Jun 2, 2:25 AM CDTSevere Thunderstorm WarningOHXRutherford50 min
Jun 2, 3:00 AM CDTSevere Thunderstorm WarningOHXCannon50 min
Jun 2, 3:04 AM CDTTornado WarningOHXCannon, Rutherford51 min
Jun 2, 3:22 AM CDTSevere Thunderstorm WarningOHXCoffee33 min
Jun 2, 3:42 AM CDTTornado WarningOHXCoffee33 min
Jun 2, 3:45 AM CDTSevere Thunderstorm WarningOHXGrundy, Warren50 min
Jun 2, 3:57 AM CDTSevere Thunderstorm WarningOHXCannon, Warren48 min
Jun 2, 4:20 AM CDTTornado WarningOHXWarren35 min
Jun 2, 4:32 AM CDTTornado WarningOHXGrundy33 min
Jun 2, 4:41 AM CDTSevere Thunderstorm WarningOHXSequatchie34 min
Jun 2, 4:44 AM CDTSevere Thunderstorm WarningOHXBledsoe31 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.