Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 240

April 8, 20156 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Apr 8, 2015, 5:31 PM CDT for 6 counties in Kansas. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued: Apr 8, 2015, 5:31 PM CDT (22:31 UTC)
Expired: Apr 8, 2015, 6:30 PM CDT
In force: 59 min
Issued by: the Storm Prediction Center

Counties Chase County, KS, Harvey County, KS, Kingman County, KS, Marion County, KS, Pratt County, KS, Reno County, KS

The radar

The Wichita radar (KICT), 57 km from the middle of the area, began a volume at 22:34 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 nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 10.5 hours before the alert went out and 170 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 784 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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.

Issued	Product	Office	Counties	Lasted
Apr 7, 8:24 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Bourbon, Chautauqua, Cherokee, Cowley, Crawford and 7 more	5 hr
Apr 7, 10:13 PM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 5 more	2 hr
Apr 8, 6:17 AM CDT	Mesoscale Discussion	SPC	Bourbon, Linn, Miami	88 min
Apr 8, 2:21 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 12 more	114 min
Apr 8, 2:47 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 13 more	4 hr
Apr 8, 3:37 PM CDT	Tornado Watch	SPC	Allen, Barber, Butler, Chase, Chautauqua, Cowley and 16 more	8 hr
Apr 8, 5:45 PM CDT	Mesoscale Discussion	SPC	Johnson, Miami	60 min

Nearby

Mesoscale Discussions in Kansas, 2015 Every mesoscale discussion in 2015

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.