Alert archive / Ohio / Flash Flood Warnings in 1992

Flash Flood Warning 12, NWS Wilmington, OH

July 17, 1992Butler County, Ohio; Franklin County, Indiana

NWS Wilmington, OH issued this flash flood warning at Jul 17, 1992, 7:58 AM EDT for Butler County, Ohio; Franklin County, Indiana. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 17, 1992, 7:58 AM EDT (11:58 UTC)
Expired
Jul 17, 1992, 10:00 AM EDT
In force
2 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Franklin County, IN, Butler County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 12.0 hours before the alert went out and 75 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 1992-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1591 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 1992-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939Sfc1 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
1591 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

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 flash flood 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, Jul 17, 6:47 AM EDT, 1 hour 11 minutes before
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Special weather statement, Jul 17, 6:51 AM EDT, 1 hour 7 minutes before
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<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.
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 8:51 PM EDTFlash Flood WarningILNChampaign3 hr
Jul 16, 10:19 PM EDTFlash Flood WarningILNDarke, Shelby4 hr
Jul 16, 10:50 PM EDTFlash Flood WarningILNAuglaize, Logan3 hr
Jul 17, 1:05 AM EDTFlash Flood WarningILNCrawford3 hr
Jul 17, 1:05 AM EDTFlash Flood WarningILNAshland, Knox, Morrow, Richland3 hr
Jul 17, 7:33 AM EDTFlash Flood WarningILNMontgomery3 hr

Nearby

Flash Flood Warnings in Ohio, 1992Flash Flood Warnings in Indiana, 1992Every flash flood 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; the sounding from the Mesonet's radiosonde archive.