Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 902

June 5, 20154 counties in Colorado; 11 counties in Kansas; Dundy County, Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2015, 4:22 PM MDT for 4 counties in Colorado; 11 counties in Kansas; Dundy County, Nebraska. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued: Jun 5, 2015, 4:22 PM MDT (22:22 UTC)
Expired: Jun 5, 2015, 5:15 PM MDT
In force: 53 min
Issued by: the Storm Prediction Center
Chance of a watch: 80%

Counties Cheyenne County, CO, Kit Carson County, CO, Phillips County, CO, Yuma County, CO, Cheyenne County, KS, Grant County, KS, Greeley County, KS, Hamilton County, KS, Kearny County, KS, Morton County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Wallace County, KS, Wichita County, KS, Dundy County, NE

The radar

The Goodland radar (KGLD), 47 km from the middle of the area, began a volume at 22:22 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.

Tornado Watch 260Jun 5, 4:45 PM MDT

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.4 hours before the alert went out and 133 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: 356 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 888 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 68 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
Jun 4, 6:06 PM MDT	Tornado Watch	SPC	Kit Carson, Yuma	5 hr
Jun 4, 7:20 PM MDT	Mesoscale Discussion	SPC	Bent, Crowley, El Paso, Otero, Prowers, Pueblo	2 hr
Jun 4, 8:20 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 2 more	115 min
Jun 5, 12:49 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Bent, Broomfield, Crowley, Denver and 14 more	86 min
Jun 5, 1:09 PM MDT	Tornado Watch	SPC	Adams, Arapahoe, Baca, Bent, Boulder, Broomfield and 18 more	6 hr
Jun 5, 4:44 PM MDT	Tornado Watch	SPC	Cheyenne, Kit Carson, Phillips, Sedgwick, Yuma	7 hr
Jun 5, 5:59 PM MDT	Mesoscale Discussion	SPC	Kit Carson	61 min
Jun 4, 7:10 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Chase, Clay, Cloud, Coffey and 13 more	65 min
Jun 4, 10:29 PM MDT	Mesoscale Discussion	SPC	Decatur, Ellis, Gove, Graham, Norton, Osborne and 5 more	61 min
Jun 5, 12:22 AM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 31 more	113 min
Jun 5, 12:42 AM MDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 18 more	3 hr

Nearby

Mesoscale Discussions in Kansas, 2015 Mesoscale Discussions in Colorado, 2015 Mesoscale Discussions in Nebraska, 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.