Alert archive / Kentucky / Flash Flood Warnings in 2026

Flash Flood Warning 10, NWS Wilmington, OH

May 20, 2026Bracken County, Pendleton County, Kentucky

NWS Wilmington, OH issued this flash flood warning at May 20, 2026, 6:42 PM EDT for Bracken County, Pendleton County, Kentucky. It was in force for 2 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
May 20, 2026, 6:42 PM EDT (22:42 UTC)
Expired
May 20, 2026, 9:00 PM EDT
In force
2 hr
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Flood severity
None

Counties Bracken County, KY, Pendleton County, KY

The radar

The Cincinnati radar (KILN), 88 km from the middle of the area, began a volume at 22:41 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 12:00Z, 10.7 hours before the alert went out and 90 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 12:00Z on 2026-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 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 12:00Z on 2026-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.193958Sfc1 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
115 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
744 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

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.

NWS Wilmington, OH wrote its last area forecast discussion before this flash flood warning went out at May 20, 1:25 PM EDT, 5 hours 17 minutes earlier.

Area forecast discussion, May 20, 1:25 PM EDT, 5 hours 17 minutes before
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Hazardous weather outlook, May 20, 1:32 PM EDT, 5 hours 10 minutes before
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  <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.
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The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 8:11 PM EDTSevere Thunderstorm WarningILNClark, Clinton, Fayette, Greene, Madison49 min
May 19, 8:25 PM EDTSevere Thunderstorm WarningILNDelaware, Franklin, Licking, Madison, Union65 min
May 19, 8:39 PM EDTSevere Thunderstorm WarningILNFayette, Franklin, Madison, Pickaway51 min
May 19, 8:48 PM EDTSpecial Weather StatementILNHamilton, Warren27 min
May 19, 9:03 PM EDTAreal Flood AdvisoryILNChampaign, Clark, Delaware, Franklin, Greene, Licking and 3 more3 hr
May 19, 9:10 PM EDTSevere Thunderstorm WarningILNFairfield, Franklin, Licking, Pickaway50 min
May 19, 9:16 PM EDTSpecial Weather StatementILNClinton29 min
May 19, 9:43 PM EDTSpecial Weather StatementILNLicking32 min
May 19, 9:48 PM EDTSpecial Weather StatementILNFairfield27 min
May 19, 10:10 PM EDTSpecial Weather StatementILNFairfield, Hocking35 min
May 20, 4:45 AM EDTAreal Flood AdvisoryILNButler, Hamilton3 hr
May 20, 7:00 AM EDTSpecial Weather StatementILNFranklin, Licking30 min
May 20, 7:05 AM EDTSevere Thunderstorm WarningILNFranklin25 min
May 20, 7:26 AM EDTSpecial Weather StatementILNLicking34 min
May 20, 5:04 PM EDTAreal Flood AdvisoryILNScioto3 hr
May 20, 7:22 PM EDTAreal Flood AdvisoryILNAdams, Brown3 hr
May 19, 8:09 PM EDTSevere Thunderstorm WarningILNBoone, Campbell, Gallatin, Grant, Kenton, Owen9 min
May 20, 3:37 PM EDTAreal Flood AdvisoryILNLewis, Mason2 hr
May 20, 5:38 PM EDTAreal Flood AdvisoryILNPendleton65 min
May 20, 4:00 AM EDTAreal Flood AdvisoryILNDearborn, Franklin, Ohio, Ripley4 hr

Nearby

Flash Flood Warnings in Kentucky, 2026Every flash flood warning in 2026

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.