Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 133, NWS Wilmington, OH

June 11, 1998Grant County, Kentucky

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 11, 1998, 7:55 AM EDT for Grant County, Kentucky. 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
Jun 11, 1998, 7:55 AM EDT (11:55 UTC)
Expired
Jun 11, 1998, 8:45 AM EDT
In force
50 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Grant County, KY

The radar

The Cincinnati radar (KILN), 110 km from the middle of the area, began a volume at 11:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 11.9 hours before the alert went out and 112 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, Cncnati-Daytn, OH at 00:00Z on 1998-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 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, Cncnati-Daytn, OH at 00:00Z on 1998-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.1939587897Sfc1 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
61 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1760 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 3:05 AM EDT, 4 hours 50 minutes earlier.

Area forecast discussion, Jun 11, 3:05 AM EDT, 4 hours 50 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 10, 8:39 PM EDTSevere Thunderstorm WarningILNBrown16 min
Jun 11, 9:47 AM EDTFlash Flood WarningILNShelby3 hr
Jun 11, 10:51 AM EDTFlash Flood WarningILNButler, Hamilton2 hr
Jun 11, 10:51 AM EDTFlash Flood WarningILNClermont2 hr
Jun 11, 11:13 AM EDTFlash Flood WarningILNDarke3 hr
Jun 11, 11:13 AM EDTFlash Flood WarningILNMiami3 hr
Jun 11, 11:33 AM EDTFlash Flood WarningILNHamilton3 hr
Jun 11, 11:33 AM EDTFlash Flood WarningILNClermont3 hr
Jun 11, 12:44 PM EDTFlash Flood WarningILNShelby3 hr
Jun 11, 2:48 PM EDTFlash Flood WarningILNAdams, Brown102 min
Jun 10, 8:06 PM EDTSevere Thunderstorm WarningILNBracken29 min
Jun 11, 10:01 AM EDTSevere Thunderstorm WarningILNBoone49 min
Jun 11, 10:45 AM EDTFlash Flood WarningILNBoone2 hr
Jun 11, 11:04 AM EDTFlash Flood WarningILNKenton116 min
Jun 11, 11:54 AM EDTFlash Flood WarningILNPendleton3 hr
Jun 11, 1:37 PM EDTFlash Flood WarningILNGrant, Pendleton3 hr
Jun 11, 1:37 PM EDTFlash Flood WarningILNBracken, Mason, Robertson3 hr
Jun 11, 1:37 PM EDTFlash Flood WarningILNLewis3 hr
Jun 11, 2:33 PM EDTFlash Flood WarningILNKenton3 hr
Jun 11, 10:11 AM EDTFlash Flood WarningILNFranklin3 hr
Jun 11, 11:22 AM EDTFlash Flood WarningILNFayette, Union2 hr
Jun 11, 1:23 PM EDTFlash Flood WarningILNFayette, Union3 hr
Jun 11, 1:29 PM EDTFlash Flood WarningILNFranklin3 hr
Jun 11, 2:13 PM EDTFlash Flood WarningILNWayne2 hr
Jun 11, 4:28 PM EDTFlash Flood WarningILNFayette, Franklin, Union, Wayne87 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 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; radar from the NEXRAD Level II archive.