Alert archive / Kansas / Mesoscale Discussions in 2016

Mesoscale Discussion 1905

December 25, 201624 counties in Kansas; Nuckolls County, Thayer County, Nebraska

The Storm Prediction Center issued this mesoscale discussion at Dec 25, 2016, 12:49 PM CST for 24 counties in Kansas; Nuckolls County, Thayer County, Nebraska. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Dec 25, 2016, 12:49 PM CST (18:49 UTC)
Expired
Dec 25, 2016, 2:45 PM CST
In force
116 min
Issued by
the Storm Prediction Center
All 26 counties

Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Cowley County, KS, Dickinson County, KS, Geary County, KS, Harper County, KS, Harvey County, KS, Jewell County, KS, Kingman County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Ottawa County, KS, Reno County, KS, Republic County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Sumner County, KS, Washington County, KS, Nuckolls County, NE, Thayer County, NE

The radar

The Wichita radar (KICT), 117 km from the middle of the area, began a volume at 18:52 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, 6.8 hours before the alert went out and 227 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, Dodge City, at 12:00Z on 2016-12-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 152 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, Dodge City, at 12:00Z on 2016-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 477 square meters per square second.1939587897117Sfc1 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
152 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
565 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
477 m²/s²
0-3 km storm-relative helicity
492 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

<!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
Dec 25, 7:16 AM CSTMesoscale DiscussionSPCClark, Finney, Ford, Gove, Grant, Gray and 11 more89 min
Dec 25, 10:45 AM CSTSevere Thunderstorm WatchSPCBarber, Barton, Butler, Chase, Clay, Cloud and 29 more5 hr
Dec 25, 3:27 PM CSTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Chautauqua and 25 more2 hr
Dec 25, 4:32 AM CSTMesoscale DiscussionSPCBanner, Kimball, Scotts Bluff, Sioux6 hr

Nearby

Mesoscale Discussions in Kansas, 2016Mesoscale Discussions in Nebraska, 2016Every mesoscale discussion in 2016

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.