Alert archive / Indiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 19, NWS Wilmington, OH

June 18, 1992Franklin County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 18, 1992, 2:44 AM EST for Franklin County, Indiana. It was in force for 31 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 18, 1992, 2:44 AM EST (07:44 UTC)
Expired
Jun 18, 1992, 3:15 AM EST
In force
31 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Franklin County, IN

What was reported inside it

TimeReportWhereRemark
Jun 18, 3:00 AM ESTHail 1.75Franklin, IN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 7.7 hours before the alert went out and 91 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, Dayton/James M C, OH at 00:00Z on 1992-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2881 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, Dayton/James M C, OH at 00:00Z on 1992-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.193958Sfc1 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
2881 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1069 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
2.2
Supercell composite
12.7

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, Jun 18, 12:02 AM EST, 2 hours 42 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>
Special weather statement, Jun 18, 1:12 AM EST, 1 hour 32 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>

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 10:16 PM ESTSevere Thunderstorm WarningILNMercer59 min
Jun 18, 12:15 AM ESTSevere Thunderstorm WarningILNCrawford60 min
Jun 18, 3:15 AM ESTSevere Thunderstorm WarningILNButler30 min
Jun 18, 3:45 AM ESTSevere Thunderstorm WarningILNButler30 min
Jun 18, 4:39 AM ESTSevere Thunderstorm WarningILNClermont, Hamilton66 min
Jun 18, 2:09 PM ESTTornado WarningILNButler66 min
Jun 18, 2:27 PM ESTTornado WarningILNDarke63 min
Jun 18, 2:30 PM ESTSevere Thunderstorm WarningILNHamilton60 min
Jun 18, 2:43 PM ESTSevere Thunderstorm WarningILNVan Wert62 min
Jun 18, 3:46 PM ESTTornado WarningILNMiami59 min
Jun 18, 4:32 PM ESTSevere Thunderstorm WarningILNLogan43 min
Jun 18, 5:55 PM ESTTornado WarningILNClark65 min
Jun 18, 4:17 AM ESTSevere Thunderstorm WarningILNBoone58 min
Jun 18, 4:24 AM ESTSevere Thunderstorm WarningILNKenton51 min
Jun 18, 2:30 PM ESTSevere Thunderstorm WarningILNBoone60 min
Jun 18, 3:02 PM ESTTornado WarningILNGallatin58 min
Jun 18, 3:26 PM ESTTornado WarningILNBoone64 min
Jun 18, 3:58 PM ESTSevere Thunderstorm WarningILNGrant62 min
Jun 18, 4:17 PM ESTSevere Thunderstorm WarningILNGallatin43 min
Jun 18, 4:27 PM ESTSevere Thunderstorm WarningILNGrant63 min
Jun 18, 4:30 PM ESTSevere Thunderstorm WarningILNPendleton60 min
Jun 18, 5:19 PM ESTSevere Thunderstorm WarningILNGrant41 min
Jun 18, 1:23 PM ESTSevere Thunderstorm WarningILNRipley52 min
Jun 18, 1:44 PM ESTTornado WarningILNRipley46 min
Jun 18, 1:51 PM ESTSevere Thunderstorm WarningILNFranklin54 min
Jun 18, 2:13 PM ESTSevere Thunderstorm WarningILNDearborn62 min
Jun 18, 2:41 PM ESTTornado WarningILNDearborn49 min
Jun 18, 2:46 PM ESTTornado WarningILNSwitzerland44 min
Jun 18, 2:58 PM ESTTornado WarningILNRipley62 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1992Every severe thunderstorm warning in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.