Alert archive / Kansas / Mesoscale Discussions in 2024

Mesoscale Discussion 623

May 3, 202421 counties in Kansas; Gage County, Jefferson County, Nebraska; 6 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 3, 2024, 9:26 PM CDT for 21 counties in Kansas; Gage County, Jefferson County, Nebraska; 6 counties in Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 3, 2024, 9:26 PM CDT (02:26 UTC)
Expired
May 3, 2024, 11:30 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...severe thunderstorm watch likely
Chance of a watch
80%
All 29 counties

Barber County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Lincoln County, KS, Marshall County, KS, McPherson County, KS, Ottawa County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Stafford County, KS, Washington County, KS, Gage County, NE, Jefferson County, NE, Alfalfa County, OK, Dewey County, OK, Ellis County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK

The radar

The Wichita radar (KICT), 88 km from the middle of the area, began a volume at 02:24 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, 2.4 hours before the alert went out and 158 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 2024-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1274 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, Dodge City, at 00:00Z on 2024-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
1274 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1319 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.3

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 3, 7:28 PM CDTMesoscale DiscussionSPCJewell, Norton, Phillips, Republic, Smith92 min
May 3, 8:28 PM CDTMesoscale DiscussionSPCClark, Comanche, Edwards, Ellis, Finney, Ford and 17 more2 hr
May 3, 9:47 PM CDTSevere Thunderstorm WatchSPCBarton, Butler, Chase, Clay, Cloud, Cowley and 24 more6 hr
May 3, 11:01 PM CDTMesoscale DiscussionSPCRepublic59 min
May 3, 11:41 PM CDTMesoscale DiscussionSPCBarber, Harper94 min
May 4, 1:02 AM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Doniphan, Jackson and 9 more118 min
May 3, 7:27 PM CDTMesoscale DiscussionSPCCarter, Comanche, Cotton, Greer, Harmon, Jackson and 5 more2 hr
May 4, 10:49 AM CDTMesoscale DiscussionSPCAdair, Atoka, Cherokee, Choctaw, Coal, Haskell and 11 more116 min
May 4, 3:53 PM CDTMesoscale DiscussionSPCAdair, Atoka, Cherokee, Coal, Haskell, Hughes and 8 more97 min

Nearby

Mesoscale Discussions in Kansas, 2024Mesoscale Discussions in Oklahoma, 2024Mesoscale Discussions in Nebraska, 2024Every mesoscale discussion in 2024

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.