Alert archive / Oklahoma / Mesoscale Discussions in 2007

Mesoscale Discussion 1207

June 19, 200711 counties in Kansas; 38 counties in Oklahoma; 19 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2007, 9:28 PM CDT for 11 counties in Kansas; 38 counties in Oklahoma; 19 counties in Texas. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued
Jun 19, 2007, 9:28 PM CDT (02:28 UTC)
Expired
Jun 19, 2007, 10:30 PM CDT
In force
62 min
Issued by
the Storm Prediction Center
All 68 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Harper County, KS, Kingman County, KS, Kiowa County, KS, Meade County, KS, Pratt County, KS, Seward County, KS, Stevens County, KS, Sumner County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Texas County, OK, Tulsa County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX

The radar

The Vance AFB radar (KVNX), 152 km from the middle of the area, began a volume at 02:29 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 watches that followed

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

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 2.5 hours before the alert went out and 188 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, Dodge City, at 00:00Z on 2007-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3489 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2007-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
3489 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1034 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
1.2
Supercell composite
6.0

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 19, 7:39 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Ford, Grant and 12 more66 min
Jun 19, 11:20 PM CDTSevere Thunderstorm WatchSPCAtoka, Beckham, Bryan, Caddo, Carter, Cleveland and 22 more6 hr
Jun 20, 12:49 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Cotton, Garvin and 6 more56 min
Jun 20, 4:09 AM CDTMesoscale DiscussionSPCBryan, Choctaw, Love, Marshall96 min
Jun 20, 4:38 AM CDTSevere Thunderstorm WatchSPCChoctaw6 hr
Jun 20, 10:21 AM CDTMesoscale DiscussionSPCAdair, Cherokee, Haskell, Latimer, LeFlore, McCurtain and 4 more54 min
Jun 20, 1:10 AM CDTSevere Thunderstorm WatchSPCBorden, Bosque, Brown, Callahan, Coke, Coleman and 47 more8 hr
Jun 20, 3:44 AM CDTMesoscale DiscussionSPCAnderson, Bandera, Bastrop, Bell, Bexar, Blanco and 65 more91 min
Jun 20, 6:24 AM CDTMesoscale DiscussionSPCEdwards, Kinney, Real, Sutton, Terrell, Val Verde66 min
Jun 20, 6:42 AM CDTMesoscale DiscussionSPCBastrop, Bell, Caldwell, Falls, Hays, Lee and 4 more93 min
Jun 20, 2:39 PM CDTMesoscale DiscussionSPCEl Paso, Hudspeth96 min

Nearby

Mesoscale Discussions in Oklahoma, 2007Mesoscale Discussions in Texas, 2007Mesoscale Discussions in Kansas, 2007Every mesoscale discussion in 2007

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.