Alert archive / Ohio / Mesoscale Discussions in 2020

Mesoscale Discussion 562

May 10, 202040 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at May 10, 2020, 4:16 PM EDT for 40 counties in Ohio. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: May 10, 2020, 4:16 PM EDT (20:16 UTC)
Expired: May 10, 2020, 6:15 PM EDT
In force: 119 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 40 counties

Adams County, OH, Ashland County, OH, Athens County, OH, Brown County, OH, Carroll County, OH, Coshocton County, OH, Crawford County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Guernsey County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Jackson County, OH, Knox County, OH, Licking County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Portage County, OH, Richland County, OH, Ross County, OH, Scioto County, OH, Stark County, OH, Summit County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Wayne County, OH

The radar

The Cincinnati radar (KILN), 110 km from the middle of the area, began a volume at 20:16 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, 8.3 hours before the alert went out and 108 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2140 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 10, 12:20 PM EDT	Mesoscale Discussion	SPC	Adams, Allen, Ashland, Auglaize, Brown, Butler and 60 more	2 hr
May 10, 6:36 PM EDT	Mesoscale Discussion	SPC	Adams, Ashland, Athens, Belmont, Brown, Carroll and 46 more	24 min

Nearby

Mesoscale Discussions in Ohio, 2020 Every mesoscale discussion in 2020

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.