Alert archive / Tennessee / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 2, NWS Nashville, TN

March 22, 1991Jackson County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 22, 1991, 1:21 AM CST for Jackson County, Tennessee. It was in force for 54 min.

The area

The counties it named.

The facts

Issued: Mar 22, 1991, 1:21 AM CST (07:21 UTC)
Expired: Mar 22, 1991, 2:15 AM CST
In force: 54 min
Issued by: NWS Nashville, TN
Area: Whole counties

County Jackson County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 7.4 hours before the alert went out and 87 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: 292 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 1134 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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.

In the hours before

Special weather statement, Mar 21, 8:50 PM CST, 4 hours 31 minutes before

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Special weather statement, Mar 21, 9:35 PM CST, 3 hours 46 minutes before

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Special weather statement, Mar 21, 10:45 PM CST, 2 hours 36 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.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 22, 5:21 PM CST	Severe Thunderstorm Warning	OHX	Perry, Wayne	54 min
Mar 22, 5:53 PM CST	Severe Thunderstorm Warning	OHX	Hickman, Lewis	52 min
Mar 22, 5:53 PM CST	Severe Thunderstorm Warning	OHX	Dickson	52 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1991 Every severe thunderstorm warning in 1991

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.