Alert archive / Ohio / Mesoscale Discussions in 2024

Mesoscale Discussion 973

May 26, 20244 states

The Storm Prediction Center issued this mesoscale discussion at May 26, 2024, 12:20 PM EDT for 4 states. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: May 26, 2024, 12:20 PM EDT (16:20 UTC)
Expired: May 26, 2024, 1:45 PM EDT
In force: 85 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch likely
Chance of a watch: 80%

All 129 counties

Adams County, IN, Allen County, IN, Bartholomew County, IN, Blackford County, IN, Dearborn County, IN, Decatur County, IN, DeKalb County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Henry County, IN, Huntington County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Ohio County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Wayne County, IN, Wells County, IN, Whitley County, IN, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Elliott County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Kenton County, KY, Lawrence County, KY, Lewis County, KY, Mason County, KY, Nicholas County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Trimble County, KY, Adams County, OH, Allen County, OH, Ashland County, OH, Athens County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Coshocton County, OH, Crawford County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Fulton County, OH, Gallia County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Knox County, OH, Lawrence County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Meigs County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Paulding County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Ross County, OH, Scioto County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Vinton County, OH, Warren County, OH, Washington County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH, Cabell County, WV, Jackson County, WV, Lincoln County, WV, Mason County, WV, Putnam County, WV, Wayne County, WV, Wood County, WV

The radar

The Cincinnati radar (KILN), 4 km from the middle of the area, began a volume at 16:21 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.3 hours before the alert went out and 5 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: 253 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 26, 8:50 AM EDT	Mesoscale Discussion	SPC	Perry, Spencer	115 min
May 26, 9:59 AM EDT	Tornado Watch	SPC	Crawford, Dubois, Harrison, Perry, Posey, Spencer and 2 more	8 hr
May 26, 1:02 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Allen, Blackford, Dearborn, Decatur, Delaware and 12 more	7 hr
May 26, 6:38 PM EDT	Mesoscale Discussion	SPC	Brown, Clay, Greene, Hendricks, Johnson, Monroe and 8 more	67 min
May 26, 7:18 PM EDT	Mesoscale Discussion	SPC	Crawford, Dubois, Gibson, Harrison, Orange, Perry and 6 more	87 min
May 26, 7:27 PM EDT	Severe Thunderstorm Watch	SPC	Bartholomew, Brown, Clay, Greene, Jackson, Jennings and 7 more	5 hr
May 26, 7:54 PM EDT	Tornado Watch	SPC	Clark, Crawford, Daviess, Dubois, Floyd, Gibson and 12 more	6 hr
May 26, 3:35 AM EDT	Tornado Watch	SPC	Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more	7 hr
May 26, 11:17 AM EDT	Mesoscale Discussion	SPC	Adair, Allen, Barren, Bell, Boyle, Casey and 26 more	88 min
May 26, 12:52 PM EDT	Mesoscale Discussion	SPC	Adair, Allen, Barren, Bell, Boyle, Casey and 32 more	83 min
May 26, 1:13 PM EDT	Mesoscale Discussion	SPC	Floyd, Harlan, Knott, Letcher, Martin, Pike	92 min
May 26, 1:46 PM EDT	Severe Thunderstorm Watch	SPC	Breathitt, Floyd, Harlan, Johnson, Knott, Leslie and 5 more	9 hr
May 26, 2:57 PM EDT	Mesoscale Discussion	SPC	Clinton, Cumberland, McCreary, Monroe, Wayne	93 min
May 26, 3:25 PM EDT	Mesoscale Discussion	SPC	Martin, Pike	95 min
May 26, 3:38 PM EDT	Mesoscale Discussion	SPC	Ballard, Calloway, Carlisle, Fulton, Graves, Hickman and 1 more	3 hr
May 26, 3:46 PM EDT	Mesoscale Discussion	SPC	Ballard, Butler, Caldwell, Calloway, Carlisle, Christian and 21 more	59 min
May 26, 5:01 PM EDT	Tornado Watch PDS	SPC	Ballard, Calloway, Carlisle, Fulton, Graves, Hickman and 3 more	7 hr
May 26, 6:18 PM EDT	Mesoscale Discussion	SPC	Calloway, Fulton	87 min
May 26, 3:52 PM EDT	Severe Thunderstorm Watch	SPC	Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 19 more	6 hr
May 26, 5:00 PM EDT	Mesoscale Discussion	SPC	Ashland, Belmont, Carroll, Columbiana, Coshocton, Crawford and 21 more	90 min
May 26, 7:22 PM EDT	Mesoscale Discussion	SPC	Columbiana, Jefferson, Mahoning, Trumbull	83 min
May 26, 5:36 PM EDT	Mesoscale Discussion	SPC	Barbour, Braxton, Calhoun, Clay, Doddridge, Fayette and 24 more	114 min
May 26, 6:08 PM EDT	Severe Thunderstorm Watch	SPC	Grant, Hampshire, Hardy, Mineral, Pendleton	8 hr

Nearby

Mesoscale Discussions in Ohio, 2024 Mesoscale Discussions in Indiana, 2024 Mesoscale Discussions in Kentucky, 2024 Every mesoscale discussion in 2024

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.