Alert archive / Ohio / Flash Flood Warnings in 1993

Flash Flood Warning 18, NWS Wilmington, OH

July 1, 19937 counties in Ohio

NWS Wilmington, OH issued this flash flood warning at Jul 1, 1993, 8:17 PM EDT for 7 counties in Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 1, 1993, 8:17 PM EDT (00:17 UTC)
Expired: Jul 1, 1993, 11:15 PM EDT
In force: 3 hr
Issued by: NWS Wilmington, OH
Area: Whole counties

Counties Allen County, OH, Auglaize County, OH, Darke County, OH, Hardin County, OH, Logan County, OH, Mercer County, OH, Shelby County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.3 hours before the alert went out and 65 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: 998 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 179 m²/s²
0-3 km storm-relative helicity: 271 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 6.3

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 1, 5:10 PM EDT, 3 hours 7 minutes before

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Local storm report, Jul 1, 7:15 PM EDT, 1 hour 2 minutes before

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Local storm report, Jul 1, 7:17 PM EDT, 1 hour before

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Special weather statement, Jul 1, 7:43 PM EDT, 34 minutes before

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      <p id="message1">
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Special weather statement, Jul 1, 7:43 PM EDT, 34 minutes before

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<head>
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</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.
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      <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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Special weather statement, Jul 1, 8:04 PM EDT, 13 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.
      </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>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 11:02 PM EDT	Flash Flood Warning	ILN	Knox, Morrow	3 hr
Jul 2, 5:56 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	49 min
Jul 2, 7:09 PM EDT	Flash Flood Warning	ILN	Mercer	3 hr
Jul 2, 7:26 PM EDT	Severe Thunderstorm Warning	ILN	Darke, Mercer	64 min
Jul 2, 7:36 PM EDT	Flash Flood Warning	ILN	Darke	3 hr
Jul 2, 7:57 PM EDT	Flash Flood Warning	ILN	Auglaize, Shelby	4 hr
Jul 2, 7:57 PM EDT	Flash Flood Warning	ILN	Miami	4 hr
Jul 2, 4:43 PM EDT	Severe Thunderstorm Warning	ILN	Owen	62 min
Jul 2, 5:02 PM EDT	Severe Thunderstorm Warning	ILN	Grant	28 min

Nearby

Flash Flood Warnings in Ohio, 1993 Every flash flood warning in 1993

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.