Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 1695

August 16, 2015Prowers County, Colorado; 8 counties in Kansas; Texas County, Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Aug 16, 2015, 9:04 PM MDT for Prowers County, Colorado; 8 counties in Kansas; Texas County, Oklahoma. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Aug 16, 2015, 9:04 PM MDT (03:04 UTC)
Expired: Aug 16, 2015, 10:30 PM MDT
In force: 86 min
Issued by: the Storm Prediction Center
Chance of a watch: 5%

Counties Prowers County, CO, Grant County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Texas County, OK

The radar

The Dodge City radar (KDDC), 162 km from the middle of the area, began a volume at 03:06 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 00:00Z, 3.1 hours before the alert went out and 168 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: 44 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 2253 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 184 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
Aug 17, 1:06 PM MDT	Mesoscale Discussion	SPC	Costilla, Crowley, Huerfano, Las Animas, Otero, Pueblo	2 hr
Aug 17, 1:59 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Broomfield, Cheyenne, Denver, Douglas and 8 more	2 hr
Aug 17, 2:32 PM MDT	Tornado Watch	SPC	Adams, Arapahoe, Baca, Bent, Boulder, Broomfield and 20 more	7 hr
Aug 17, 4:41 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 11 more	94 min

Nearby

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