Alert archive / Ohio / Flash Flood Warnings in 1994

Flash Flood Warning 20, NWS Wilmington, OH

June 16, 1994Knox County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 16, 1994, 4:15 PM EDT for Knox County, Ohio. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1994, 4:15 PM EDT (20:15 UTC)
Expired
Jun 16, 1994, 5:00 PM EDT
In force
45 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Knox County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 8.3 hours before the alert went out and 161 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 12:00Z on 1994-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 951 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 12:00Z on 1994-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
951 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1420 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Jun 16, 2:57 PM EDT, 1 hour 18 minutes before
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Special weather statement, Jun 16, 2:57 PM EDT, 1 hour 18 minutes before
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Local storm report, Jun 16, 3:15 PM EDT, 1 hour before
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Local storm report, Jun 16, 3:15 PM EDT, 1 hour before
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Special weather statement, Jun 16, 3:49 PM EDT, 26 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Jun 16, 3:49 PM EDT, 26 minutes before
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<body>
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    <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 Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 10:33 AM EDTSevere Thunderstorm WarningILNClermont42 min
Jun 16, 1:20 PM EDTTornado WarningILNMorrow25 min
Jun 16, 2:10 PM EDTSevere Thunderstorm WarningILNMorrow50 min
Jun 16, 2:53 PM EDTSevere Thunderstorm WarningILNRichland67 min
Jun 16, 3:34 PM EDTSevere Thunderstorm WarningILNLogan56 min
Jun 16, 4:15 PM EDTSevere Thunderstorm WarningILNKnox45 min
Jun 16, 5:18 PM EDTSevere Thunderstorm WarningILNShelby57 min

Nearby

Flash Flood Warnings in Ohio, 1994Every flash flood warning in 1994

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.