Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 887

June 4, 201528 counties in Kansas; Hitchcock County, Red Willow County, Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 4, 2015, 3:28 PM CDT for 28 counties in Kansas; Hitchcock County, Red Willow County, Nebraska. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
Jun 4, 2015, 3:28 PM CDT (20:28 UTC)
Expired
Jun 4, 2015, 5:00 PM CDT
In force
92 min
Issued by
the Storm Prediction Center
Chance of a watch
80%
All 30 counties

Barton County, KS, Cheyenne County, KS, Decatur County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Gove County, KS, Graham County, KS, Lane County, KS, Lincoln County, KS, Logan County, KS, Mitchell County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Hitchcock County, NE, Red Willow County, NE

The radar

The Dodge City radar (KDDC), 151 km from the middle of the area, began a volume at 20:32 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.5 hours before the alert went out and 233 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, N. Platte/Lee Bi, NE at 12:00Z on 2015-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1063 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, N. Platte/Lee Bi, NE at 12:00Z on 2015-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
1063 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
616 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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.

IssuedProductOfficeCountiesLasted
Jun 3, 8:20 PM CDTMesoscale DiscussionSPCBarton, Clay, Cloud, Decatur, Dickinson, Ellis and 26 more115 min
Jun 3, 11:28 PM CDTMesoscale DiscussionSPCCheyenne, Greeley, Logan, Sherman, Thomas, Wallace and 1 more62 min
Jun 3, 11:59 PM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more6 hr
Jun 4, 12:01 AM CDTMesoscale DiscussionSPCClay, Cloud, Graham, Jewell, Marshall, Mitchell and 8 more89 min
Jun 4, 1:56 AM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Doniphan, Jackson and 8 more94 min
Jun 4, 4:46 AM CDTMesoscale DiscussionSPCJewell, Marshall, Norton, Phillips, Republic, Smith and 1 more89 min
Jun 4, 9:42 AM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Doniphan, Douglas, Franklin and 16 more93 min
Jun 4, 12:26 PM CDTMesoscale DiscussionSPCClay, Cloud, Geary, Marshall, Pottawatomie, Republic and 3 more94 min
Jun 4, 4:52 PM CDTMesoscale DiscussionSPCMeade, Seward2 hr
Jun 3, 8:14 PM CDTMesoscale DiscussionSPCBanner, Kimball, Scotts Bluff, Sioux61 min
Jun 3, 9:59 PM CDTSevere Thunderstorm WatchSPCBanner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more5 hr
Jun 4, 2:53 PM CDTMesoscale DiscussionSPCBanner, Kimball, Scotts Bluff97 min
Jun 4, 3:20 PM CDTTornado WatchSPCBanner, Kimball, Scotts Bluff, Sioux8 hr
Jun 4, 6:22 PM CDTMesoscale DiscussionSPCBanner, Kimball, Scotts Bluff, Sioux113 min

Nearby

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