Alert archive / Kansas / Mesoscale Discussions in 2008

Mesoscale Discussion 705

April 23, 20084 states

The Storm Prediction Center issued this mesoscale discussion at Apr 23, 2008, 3:37 PM CDT for 4 states. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued
Apr 23, 2008, 3:37 PM CDT (20:37 UTC)
Expired
Apr 23, 2008, 4:30 PM CDT
In force
53 min
Issued by
the Storm Prediction Center
All 139 counties

Allen County, KS, Anderson County, KS, Barber County, KS, Barton County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Clark County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Crawford County, KS, Dickinson County, KS, Douglas County, KS, Edwards County, KS, Elk County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Franklin County, KS, Geary County, KS, Gray County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Jewell County, KS, Kingman County, KS, Kiowa County, KS, Labette County, KS, Lincoln County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Miami County, KS, Mitchell County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Riley County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Seward County, KS, Shawnee County, KS, Stafford County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Jasper County, MO, McDonald County, MO, Newton County, MO, Vernon County, MO, Adair County, OK, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cherokee County, OK, Comanche County, OK, Craig County, OK, Creek County, OK, Custer County, OK, Delaware 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, Jackson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, Mayes County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Roger Mills County, OK, Rogers County, OK, Sequoyah County, OK, Tillman County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Donley County, TX, Foard County, TX, Gray County, TX, Hall County, TX, Hardeman County, TX, Hemphill County, TX, Hutchinson County, TX, Knox County, TX, Lipscomb County, TX, Motley County, TX, Ochiltree County, TX, Roberts County, TX, Swisher County, TX, Wheeler County, TX, Wilbarger County, TX

The radar

The Vance AFB radar (KVNX), 55 km from the middle of the area, began a volume at 20:38 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

Lamont, OK (KLMN), launched 12:00Z, 8.6 hours before the alert went out and 24 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, Lamont, OK at 12:00Z on 2008-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1813 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, Lamont, OK at 12:00Z on 2008-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.19395878Sfc1 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
1813 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

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
Apr 23, 9:20 AM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Cowley, Dickinson and 32 more85 min
Apr 23, 9:32 AM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Edwards, Finney, Ford and 15 more6 hr
Apr 23, 9:50 AM CDTSevere Thunderstorm WatchSPCBarton, Butler, Chase, Chautauqua, Clay, Cloud and 38 more6 hr
Apr 23, 12:13 PM CDTMesoscale DiscussionSPCAllen, Anderson, Barton, Bourbon, Butler, Chase and 40 more92 min
Apr 23, 2:25 PM CDTTornado WatchSPCCheyenne, Decatur, Gove, Greeley, Logan, Rawlins and 5 more8 hr
Apr 23, 3:52 PM CDTSevere Thunderstorm WatchSPCFinney, Grant, Gray, Hamilton, Haskell, Kearny and 7 more4 hr
Apr 23, 4:04 PM CDTMesoscale DiscussionSPCAtchison, Gentry, Nodaway2 hr
Apr 23, 4:34 PM CDTMesoscale DiscussionSPCAtchison, Gentry, Nodaway116 min
Apr 23, 2:01 AM CDTMesoscale DiscussionSPCBlaine, Caddo, Canadian, Cleveland, Comanche, Cotton and 14 more89 min
Apr 23, 7:31 AM CDTMesoscale DiscussionSPCBeckham, Custer, Dewey, Ellis, Greer, Harmon and 5 more59 min
Apr 23, 11:42 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Cleveland, Coal, Garvin and 16 more2 hr
Apr 23, 9:59 AM CDTMesoscale DiscussionSPCBorden, Callahan, Coke, Dawson, Fisher, Garza and 18 more61 min
Apr 23, 10:07 AM CDTTornado WatchSPCAndrews, Borden, Coke, Concho, Crane, Dawson and 25 more6 hr
Apr 23, 1:35 PM CDTMesoscale DiscussionSPCAndrews, Borden, Coke, Crane, Dawson, Ector and 20 more85 min
Apr 23, 2:28 PM CDTMesoscale DiscussionSPCAngelina, Bowie, Camp, Cass, Cherokee, Franklin and 18 more3 hr
Apr 23, 3:16 PM CDTMesoscale DiscussionSPCAndrews, Borden, Brown, Callahan, Coke, Coleman and 34 more59 min
Apr 23, 3:25 PM CDTTornado WatchSPCAndrews, Borden, Brown, Callahan, Coke, Coleman and 44 more8 hr
Apr 23, 5:43 PM CDTMesoscale DiscussionSPCAndrews, Borden, Brown, Callahan, Coke, Coleman and 44 more92 min
Apr 23, 6:20 PM CDTTornado WatchSPCAnderson, Bosque, Collin, Coryell, Dallas, Delta and 24 more7 hr

Nearby

Mesoscale Discussions in Kansas, 2008Mesoscale Discussions in Oklahoma, 2008Mesoscale Discussions in Texas, 2008Every mesoscale discussion in 2008

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.