Alert archive / Ohio / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 209, NWS Wilmington, OH

December 23, 2015Darke County, Preble County, Ohio; Wayne County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Dec 23, 2015, 4:27 PM EST for Darke County, Preble County, Ohio; Wayne County, Indiana. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 23, 2015, 4:27 PM EST (21:27 UTC)
Expired
Dec 23, 2015, 5:15 PM EST
In force
48 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Wayne County, IN, Darke County, OH, Preble County, OH

The radar

The Cincinnati radar (KILN), 97 km from the middle of the area, began a volume at 21:29 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 23, 4:17 PM ESTSevere Thunderstorm WatchSPC7 hr
Dec 23, 1:28 PM ESTTornado WatchSPC8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.5 hours before the alert went out and 98 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 2015-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 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 2015-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897Sfc1 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
133 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
583 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Dec 23, 12:51 PM EST, 3 hours 36 minutes earlier.

Area forecast discussion, Dec 23, 12:51 PM EST, 3 hours 36 minutes before
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Hazardous weather outlook, Dec 23, 5:19 AM EST, 11 hours 8 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
Dec 23, 4:49 PM ESTSevere Thunderstorm WarningILNButler, Hamilton, Montgomery, Preble, Warren56 min
Dec 23, 4:51 PM ESTTornado WarningILNDarke, Preble24 min
Dec 23, 5:03 PM ESTSevere Thunderstorm WarningILNClermont, Hamilton42 min
Dec 23, 5:10 PM ESTSpecial Weather StatementILNMercer35 min
Dec 23, 5:11 PM ESTTornado WarningILNDarke, Miami19 min
Dec 23, 5:22 PM ESTSevere Thunderstorm WarningILNChampaign, Clark, Logan, Miami, Montgomery, Shelby38 min
Dec 23, 5:28 PM ESTTornado WarningILNMiami21 min
Dec 23, 5:31 PM ESTSevere Thunderstorm WarningILNButler, Clark, Clinton, Greene, Miami, Montgomery and 1 more44 min
Dec 23, 5:40 PM ESTTornado WarningILNMiami, Shelby12 min
Dec 23, 5:59 PM ESTSevere Thunderstorm WarningILNChampaign, Clark, Logan, Madison, Union46 min
Dec 23, 6:03 PM ESTSpecial Weather StatementILNHardin, Logan27 min
Dec 23, 6:14 PM ESTSpecial Weather StatementILNMadison31 min
Dec 23, 6:40 PM ESTSpecial Weather StatementILNDelaware, Franklin50 min
Dec 23, 4:40 PM ESTSevere Thunderstorm WarningILNBoone, Carroll, Gallatin, Owen37 min
Dec 23, 6:45 PM ESTSpecial Weather StatementILNCarroll, Gallatin, Owen45 min
Dec 23, 4:09 PM ESTSevere Thunderstorm WarningILNDearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more51 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2015Severe Thunderstorm Warnings in Indiana, 2015Every severe thunderstorm warning in 2015

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.