Alert archive / Ohio / Mesoscale Discussions in 2003

Mesoscale Discussion 1716

July 8, 20034 states

The Storm Prediction Center issued this mesoscale discussion at Jul 8, 2003, 5:05 PM EDT for 4 states. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Jul 8, 2003, 5:05 PM EDT (21:05 UTC)
Expired
Jul 8, 2003, 7:00 PM EDT
In force
115 min
Issued by
the Storm Prediction Center
All 81 counties

Boyd County, KY, Ashland County, OH, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Cuyahoga County, OH, Erie County, OH, Fairfield County, OH, Gallia County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Lake County, OH, Lawrence County, OH, Licking County, OH, Lorain County, OH, Mahoning County, OH, Medina County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Portage County, OH, Richland County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Allegheny County, PA, Beaver County, PA, Butler County, PA, Crawford County, PA, Greene County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Barbour County, WV, Braxton County, WV, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Monongalia County, WV, Nicholas County, WV, Ohio County, WV, Pleasants County, WV, Pocahontas County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV

The radar

The Pittsburgh radar (KPBZ), 110 km from the middle of the area, began a volume at 21:09 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, 9.1 hours before the alert went out and 226 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 2003-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 537 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 2003-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
537 J/kg
Mixed-layer CIN
-255 J/kg
Mixed-layer LCL
1058 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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
Jul 7, 9:55 PM EDTSevere Thunderstorm WatchSPCBoyd, Carter, Elliott, Greenup, Lewis3 hr
Jul 8, 12:57 AM EDTMesoscale DiscussionSPCBoyd, Carter, Greenup63 min
Jul 8, 1:25 PM EDTMesoscale DiscussionSPCAnderson, Bath, Boone, Bourbon, Boyd, Boyle and 61 more95 min
Jul 8, 2:25 PM EDTSevere Thunderstorm WatchSPCBoone, Bracken, Campbell, Carroll, Carter, Fleming and 17 more6 hr
Jul 8, 3:02 PM EDTMesoscale DiscussionSPCBoyd28 min
Jul 8, 3:15 PM EDTSevere Thunderstorm WatchSPCBoyd5 hr
Jul 8, 4:02 PM EDTMesoscale DiscussionSPCBoone, Bracken, Campbell, Carroll, Carter, Fleming and 18 more88 min
Jul 8, 6:38 PM EDTMesoscale DiscussionSPCBoone, Bracken, Campbell, Carroll, Fleming, Gallatin and 13 more37 min
Jul 8, 7:40 PM EDTSevere Thunderstorm WatchSPCBoone, Bracken, Campbell, Carroll, Gallatin, Grant and 9 more5 hr
Jul 7, 9:30 PM EDTMesoscale DiscussionSPCAdams, Ashland, Athens, Carroll, Coshocton, Crawford and 36 more60 min
Jul 7, 10:13 PM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Darke, Defiance and 13 more62 min
Jul 8, 12:00 AM EDTSevere Thunderstorm WatchSPCAllen, Auglaize, Champaign, Clark, Darke, Defiance and 18 more5 hr
Jul 8, 12:50 AM EDTMesoscale DiscussionSPCAllen, Auglaize, Champaign, Clark, Darke, Defiance and 18 more85 min
Jul 8, 2:57 AM EDTMesoscale DiscussionSPCAshland, Athens, Belmont, Carroll, Champaign, Clark and 44 more63 min
Jul 8, 3:20 AM EDTSevere Thunderstorm WatchSPCAshland, Athens, Belmont, Carroll, Champaign, Clark and 51 more6 hr
Jul 8, 6:06 AM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 21 more114 min
Jul 8, 11:05 AM EDTMesoscale DiscussionSPCAllen, Auglaize, Darke, Defiance, Fulton, Hancock and 9 more25 min
Jul 8, 11:25 AM EDTSevere Thunderstorm WatchSPCAllen, Crawford, Defiance, Fulton, Hancock, Henry and 10 more6 hr
Jul 8, 1:04 PM EDTMesoscale DiscussionSPCAllen, Crawford, Defiance, Fulton, Hancock, Hardin and 11 more56 min
Jul 8, 3:30 PM EDTMesoscale DiscussionSPCAllen, Crawford, Defiance, Fulton, Hancock, Henry and 9 more30 min
Jul 8, 4:20 PM EDTSevere Thunderstorm WatchSPCAllen, Crawford, Defiance, Fulton, Hancock, Henry and 10 more4 hr
Jul 8, 7:29 AM EDTMesoscale DiscussionSPCArmstrong, Fayette, Indiana, Somerset, Westmoreland61 min
Jul 7, 8:25 PM EDTSevere Thunderstorm WatchSPCBerkeley, Grant, Greenbrier, Hampshire, Hardy, Jefferson and 7 more5 hr
Jul 7, 10:32 PM EDTMesoscale DiscussionSPCBerkeley, Grant, Greenbrier, Hampshire, Hardy, Jefferson and 6 more58 min

Nearby

Mesoscale Discussions in Ohio, 2003Mesoscale Discussions in West Virginia, 2003Mesoscale Discussions in Pennsylvania, 2003Every mesoscale discussion in 2003

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.