Alert archive / Kansas / Mesoscale Discussions in 2019

Mesoscale Discussion 770

May 24, 201931 counties in Kansas; 7 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 24, 2019, 1:42 PM CDT for 31 counties in Kansas; 7 counties in Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 24, 2019, 1:42 PM CDT (18:42 UTC)
Expired
May 24, 2019, 3:45 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
40%
All 38 counties

Allen County, KS, Anderson County, KS, Barber County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Johnson County, KS, Kingman County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Miami County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Alfalfa County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Major County, OK, Woods County, OK, Woodward County, OK

The radar

The Wichita radar (KICT), 49 km from the middle of the area, began a volume at 18:42 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

Topeka, KS (KFOE), launched 12:00Z, 6.7 hours before the alert went out and 198 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, Topeka, KS at 12:00Z on 2019-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1022 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, Topeka, KS at 12:00Z on 2019-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 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
1022 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
1.0
Supercell composite
3.2

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.

IssuedProductOfficeCountiesLasted
May 23, 7:07 PM CDTMesoscale DiscussionSPCBarton, Clay, Cloud, Decatur, Ellis, Ellsworth and 31 more83 min
May 23, 7:42 PM CDTSevere Thunderstorm WatchSPCMarshall, Nemaha, Republic, Washington4 hr
May 23, 8:32 PM CDTMesoscale DiscussionSPCClark88 min
May 23, 9:53 PM CDTTornado WatchSPCBarber, Clark, Comanche, Kiowa, Pratt, Stafford4 hr
May 23, 11:33 PM CDTMesoscale DiscussionSPCAtchison, Barton, Brown, Clay, Cloud, Dickinson and 21 more87 min
May 24, 1:37 AM CDTTornado WatchSPCBarber, Barton, Brown, Clay, Cloud, Comanche and 33 more5 hr
May 24, 4:05 AM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Geary, Jackson and 11 more115 min
May 24, 4:40 AM CDTSevere Thunderstorm WatchSPCDoniphan4 hr
May 24, 6:43 AM CDTMesoscale DiscussionSPCDoniphan2 hr
May 24, 2:18 PM CDTTornado WatchSPCAllen, Anderson, Butler, Chase, Chautauqua, Coffey and 21 more8 hr
May 24, 6:04 PM CDTTornado WatchSPCBourbon, Crawford, Johnson, Leavenworth, Linn, Miami and 1 more5 hr
May 23, 11:08 PM CDTMesoscale DiscussionSPCBeckham, Custer, Dewey, Greer, Harmon, Roger Mills97 min
May 24, 2:02 AM CDTSevere Thunderstorm WatchSPCAlfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 10 more4 hr
May 24, 3:51 PM CDTMesoscale DiscussionSPCBeckham, Harmon114 min
May 24, 4:43 PM CDTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Creek and 10 more32 min
May 24, 4:50 PM CDTTornado WatchSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 10 more5 hr
May 24, 6:49 PM CDTMesoscale DiscussionSPCComanche, Kiowa, Tillman56 min

Nearby

Mesoscale Discussions in Kansas, 2019Mesoscale Discussions in Oklahoma, 2019Every mesoscale discussion in 2019

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.