Alert archive / Kansas / Mesoscale Discussions in 2007

Mesoscale Discussion 198

February 24, 200715 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Feb 24, 2007, 2:33 PM CST for 15 counties in Kansas. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: Feb 24, 2007, 2:33 PM CST (20:33 UTC)
Expired: Feb 24, 2007, 4:00 PM CST
In force: 87 min
Issued by: the Storm Prediction Center

Counties Allen County, KS, Anderson County, KS, Clay County, KS, Coffey County, KS, Dickinson County, KS, Franklin County, KS, Geary County, KS, Lincoln County, KS, Lyon County, KS, Morris County, KS, Osage County, KS, Ottawa County, KS, Riley County, KS, Saline County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 71 km from the middle of the area, began a volume at 20:33 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

Topeka, KS (KTOP), launched 12:00Z, 8.6 hours before the alert went out and 120 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: 1073 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 396 m²/s²
0-3 km storm-relative helicity: 392 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
Feb 23, 6:15 PM CST	Mesoscale Discussion	SPC	Clark, Comanche, Ford, Gray, Haskell, Kiowa and 2 more	90 min
Feb 23, 6:45 PM CST	Mesoscale Discussion	SPC	Barton, Cloud, Edwards, Ellis, Ellsworth, Hodgeman and 18 more	2 hr
Feb 23, 7:35 PM CST	Mesoscale Discussion	SPC	Barber, Harper, Kingman, Pratt, Sedgwick, Sumner	85 min
Feb 23, 8:29 PM CST	Tornado Watch	SPC	Barber, Barton, Clark, Comanche, Edwards, Ellis and 31 more	7 hr
Feb 23, 10:31 PM CST	Mesoscale Discussion	SPC	Cloud, Decatur, Graham, Jewell, Mitchell, Norton and 6 more	119 min
Feb 23, 11:21 PM CST	Mesoscale Discussion	SPC	Butler, Chase, Chautauqua, Clay, Cloud, Coffey and 30 more	114 min
Feb 24, 6:49 AM CST	Mesoscale Discussion	SPC	Cheyenne, Sherman	4 hr
Feb 24, 9:40 AM CST	Mesoscale Discussion	SPC	Barton, Butler, Chase, Clay, Cloud, Cowley and 20 more	2 hr
Feb 24, 11:15 AM CST	Tornado Watch	SPC	Allen, Anderson, Barton, Butler, Chase, Chautauqua and 33 more	6 hr
Feb 24, 1:34 PM CST	Mesoscale Discussion	SPC	Cheyenne, Decatur, Rawlins, Sherman, Thomas, Wallace	5 hr

Nearby

Mesoscale Discussions in Kansas, 2007 Every 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.