Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 163, NWS Nashville, TN

May 6, 1998Stewart County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 6, 1998, 5:56 PM CDT for Stewart County, Tennessee. It was in force for 49 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
May 6, 1998, 5:56 PM CDT (22:56 UTC)
Expired
May 6, 1998, 6:45 PM CDT
In force
49 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Stewart County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.9 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 12:00Z on 1998-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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 12:00Z on 1998-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.19395878Sfc1 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
51 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1243 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 6, 1:30 PM CDT, 4 hours 26 minutes earlier.

Area forecast discussion, May 6, 1:30 PM CDT, 4 hours 26 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Special weather statement, May 6, 1:06 PM CDT, 4 hours 50 minutes before
TNZ005>011-022>033-055>065-075>082-093>098-070540-

MIDDLE TENNESSEE SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
106 PM CDT WED MAY 6 1998

...SEVERE THUNDERSTORMS POSSIBLE ACROSS MIDDLE TENNESSEE LATE THIS
AFTERNOON...TONIGHT AND THURSDAY...

EARLY THIS AFTERNOON A WARM FRONT WAS MOVING NORTH THROUGH SOUTHERN
MIDDLE TENNESSEE AND AS A RESULT WARM...MOIST AIR WAS FLOWING
NORTHWARD. BY LATE AFTERNOON AND EARLY EVENING THE ATMOSPHERE WILL
BE QUITE UNSTABLE ACROSS MUCH OF MIDDLE TENNESSEE AND ANY
THUNDERSTORMS THAT FORM COULD BECOME SEVERE RATHER QUICKLY WITH
LARGE HAIL AND DAMAGAING WINDS.

TONIGHT...SEVERE THUNDERSTORMS ARE EXPECTED IN MIDDLE TENNESSEE
AS INSTABILITY REMAINS HIGH AND UPPER LEVEL WINDS BECOME
MORE SUPPORTIVE OF SEVERE THUNDERSTORMS.

ON THURSDAY INSTABILITY WILL BE VERY HIGH ACROSS MIDDLE TENNESSEE.
COUPLED WITH DAYTIME HEATING AND AN UPPER LEVEL JET CONFIGURATION
WHICH WILL BE VERY CONDUCIVE FOR SEVERE THUNDERSTORMS AND ISOLATED
TORNADOES.

BECAUSE OF THE HIGH INSTABILITY OF THE ATMOSPHERE...RESIDENTS OF
MIDDLE TENNESSEE SHOULD BE AWARE THAT THE THREAT OF SEVERE WEATHER
IS REAL ESPECIALLY TONIGHT AND AGAIN ON THURSDAY AND LISTEN TO NOAA
WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR LATER STATEMENTS
AND WARNINGS SHOULD THEY BECOME NECESSARY.

STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE
PREPARED FOR POSSIBLE ACTIVATION LATER THIS AFTERNOON INTO THE
NIGHT TIME HOURS AND ON THURSDAY.  MONITOR NOAA WEATHER RADIO...
COMMERCIAL RADIO...TV AND CABLE TELEVISION OUTLETS FOR THE LATEST
FORECAST AND INFORMATION.

BOYD
Special weather statement, May 6, 1:06 PM CDT, 4 hours 50 minutes before
TNZ005>011-022>033-055>065-075>082-093>098-070540-

MIDDLE TENNESSEE SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
106 PM CDT WED MAY 6 1998

...SEVERE THUNDERSTORMS POSSIBLE ACROSS MIDDLE TENNESSEE LATE THIS
AFTERNOON...TONIGHT AND THURSDAY...

EARLY THIS AFTERNOON A WARM FRONT WAS MOVING NORTH THROUGH SOUTHERN
MIDDLE TENNESSEE AND AS A RESULT WARM...MOIST AIR WAS FLOWING
NORTHWARD. BY LATE AFTERNOON AND EARLY EVENING THE ATMOSPHERE WILL
BE QUITE UNSTABLE ACROSS MUCH OF MIDDLE TENNESSEE AND ANY
THUNDERSTORMS THAT FORM COULD BECOME SEVERE RATHER QUICKLY WITH
LARGE HAIL AND DAMAGAING WINDS.

TONIGHT...SEVERE THUNDERSTORMS ARE EXPECTED IN MIDDLE TENNESSEE
AS INSTABILITY REMAINS HIGH AND UPPER LEVEL WINDS BECOME
MORE SUPPORTIVE OF SEVERE THUNDERSTORMS.

ON THURSDAY INSTABILITY WILL BE VERY HIGH ACROSS MIDDLE TENNESSEE.
COUPLED WITH DAYTIME HEATING AND AN UPPER LEVEL JET CONFIGURATION
WHICH WILL BE VERY CONDUCIVE FOR SEVERE THUNDERSTORMS AND ISOLATED
TORNADOES.

BECAUSE OF THE HIGH INSTABILITY OF THE ATMOSPHERE...RESIDENTS OF
MIDDLE TENNESSEE SHOULD BE AWARE THAT THE THREAT OF SEVERE WEATHER
IS REAL ESPECIALLY TONIGHT AND AGAIN ON THURSDAY AND LISTEN TO NOAA
WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR LATER STATEMENTS
AND WARNINGS SHOULD THEY BECOME NECESSARY.

STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE
PREPARED FOR POSSIBLE ACTIVATION LATER THIS AFTERNOON INTO THE
NIGHT TIME HOURS AND ON THURSDAY.  MONITOR NOAA WEATHER RADIO...
COMMERCIAL RADIO...TV AND CABLE TELEVISION OUTLETS FOR THE LATEST
FORECAST AND INFORMATION.

BOYD

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 1:18 PM CDTFlash Flood WarningOHXBenton3 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 1998Every severe thunderstorm warning 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.