Alert archive / Indiana / Areal Flood Warnings in 2021

Areal Flood Warning 16, NWS Wilmington, OH

July 16, 2021Dearborn County, Franklin County, Ripley County, Indiana

NWS Wilmington, OH issued this areal flood warning at Jul 16, 2021, 11:15 PM EDT for Dearborn County, Franklin County, Ripley County, Indiana. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 16, 2021, 11:15 PM EDT (03:15 UTC)
Expired
Jul 17, 2021, 8:30 AM EDT
In force
9 hr
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Flood severity
None

Counties Dearborn County, IN, Franklin County, IN, Ripley County, IN

The radar

The Cincinnati radar (KILN), 112 km from the middle of the area, began a volume at 03:14 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, 3.3 hours before the alert went out and 114 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 2021-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 163 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 2021-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
163 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1176 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood 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 areal flood warning went out at Jul 16, 9:54 PM EDT, 1 hour 21 minutes earlier.

Area forecast discussion, Jul 16, 9:54 PM EDT, 1 hour 21 minutes before
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Hazardous weather outlook, Jul 16, 10:05 PM EDT, 1 hour 10 minutes before
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In the hours before

Special weather statement, Jul 16, 10:15 PM EDT, 1 hour before
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Local storm report, Jul 16, 10:25 PM EDT, 50 minutes before
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jul 16, 10:39 PM EDT, 36 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jul 16, 10:44 PM EDT, 31 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        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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Local storm report, Jul 16, 11:00 PM EDT, 15 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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Local storm report, Jul 16, 11:07 PM EDT, 8 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>
    </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
Jul 16, 8:25 PM EDTAreal Flood AdvisoryILNButler3 hr
Jul 16, 8:46 PM EDTAreal Flood AdvisoryILNButler, Greene, Montgomery, Preble3 hr
Jul 16, 8:54 PM EDTSpecial Weather StatementILNButler36 min
Jul 16, 9:20 PM EDTSpecial Weather StatementILNMontgomery, Warren25 min
Jul 16, 10:33 PM EDTAreal Flood AdvisoryILNHamilton3 hr
Jul 17, 5:49 AM EDTRiver Flood AdvisoryILNHamilton3 hr
Jul 16, 10:15 PM EDTSpecial Weather StatementILNCarroll, Gallatin30 min
Jul 17, 12:16 AM EDTAreal Flood AdvisoryILNBoone, Carroll, Gallatin3 hr
Jul 16, 9:01 PM EDTFlash Flood WarningILNDearborn, Franklin, Ripley2 hr
Jul 16, 9:32 PM EDTAreal Flood AdvisoryILNRipley2 min
Jul 16, 9:34 PM EDTFlash Flood WarningILNRipley106 min
Jul 16, 11:30 PM EDTAreal Flood WarningILNUnion9 hr
Jul 17, 8:31 AM EDTAreal Flood AdvisoryILNRipley6 hr

Nearby

Areal Flood Warnings in Indiana, 2021Every areal flood warning in 2021

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.