Alert archive / Ohio / Mesoscale Discussions in 2014

Mesoscale Discussion 1238

July 1, 201410 counties in Indiana; 13 counties in Michigan; 21 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jul 1, 2014, 1:24 AM EDT for 10 counties in Indiana; 13 counties in Michigan; 21 counties in Ohio. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued
Jul 1, 2014, 1:24 AM EDT (05:24 UTC)
Expired
Jul 1, 2014, 2:30 AM EDT
In force
66 min
Issued by
the Storm Prediction Center
All 44 counties

Adams County, IN, Allen County, IN, DeKalb County, IN, Huntington County, IN, Jay County, IN, LaGrange County, IN, Noble County, IN, Steuben County, IN, Wells County, IN, Whitley County, IN, Branch County, MI, Calhoun County, MI, Eaton County, MI, Hillsdale County, MI, Ingham County, MI, Jackson County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Washtenaw County, MI, Wayne County, MI, Allen County, OH, Auglaize County, OH, Crawford County, OH, Defiance County, OH, Erie County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Huron County, OH, Lucas County, OH, Mercer County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH

The radar

The Detroit radar (KDTX), 138 km from the middle of the area, began a volume at 05:25 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

Detroit, MI (KDTX), launched 00:00Z, 5.4 hours before the alert went out and 142 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, Detroit, MI at 00:00Z on 2014-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1381 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, Detroit, MI at 00:00Z on 2014-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
1381 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1064 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!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.

IssuedProductOfficeCountiesLasted
Jun 30, 8:47 PM EDTMesoscale DiscussionSPCFulton, Jasper, Lake, LaPorte, Marshall, Newton and 5 more88 min
Jun 30, 9:44 PM EDTMesoscale DiscussionSPCJasper, Lake, LaPorte, Newton, Porter31 min
Jun 30, 10:01 PM EDTSevere Thunderstorm WatchSPCBenton, Jasper, Lake, Newton, Porter6 hr
Jun 30, 10:06 PM EDTMesoscale DiscussionSPCElkhart, Saint Joseph84 min
Jun 30, 10:47 PM EDTMesoscale DiscussionSPCLake88 min
Jun 30, 11:11 PM EDTMesoscale DiscussionSPCBoone, Carroll, Cass, Clinton, Fountain, Fulton and 16 more2 hr
Jun 30, 11:22 PM EDTMesoscale DiscussionSPCLake, Newton53 min
Jun 30, 11:35 PM EDTSevere Thunderstorm WatchSPCAdams, Allen, Blackford, Carroll, Cass, Clinton and 24 more4 hr
Jul 1, 12:31 AM EDTMesoscale DiscussionSPCBenton, Carroll, Cass, Elkhart, Fountain, Fulton and 14 more89 min
Jul 1, 2:56 AM EDTMesoscale DiscussionSPCBartholomew, Dearborn, Decatur, Fayette, Franklin, Henry and 11 more64 min
Jul 1, 3:07 PM EDTSevere Thunderstorm WatchSPCGibson, Pike, Posey, Spencer, Vanderburgh, Warrick7 hr
Jul 1, 5:43 PM EDTMesoscale DiscussionSPCClark, Crawford, Dearborn, Floyd, Franklin, Harrison and 10 more92 min
Jun 30, 8:23 PM EDTSevere Thunderstorm WatchSPCAllegan, Arenac, Barry, Calhoun, Clare, Clinton and 25 more7 hr
Jul 1, 1:44 AM EDTSevere Thunderstorm WatchSPCHillsdale, Lenawee, Livingston, Macomb, Monroe, Oakland and 3 more4 hr
Jul 1, 4:05 AM EDTMesoscale DiscussionSPCMacomb, Saint Clair55 min
Jul 1, 3:22 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Harrison, Jefferson, Mahoning, Stark and 1 more53 min

Nearby

Mesoscale Discussions in Ohio, 2014Mesoscale Discussions in Michigan, 2014Mesoscale Discussions in Indiana, 2014Every mesoscale discussion in 2014

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.