Alert archive / Nebraska / Mesoscale Discussions in 2008

Mesoscale Discussion 1149

June 1, 200823 counties in Nebraska; 10 counties in South Dakota; Goshen County, Niobrara County, Weston County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2008, 8:46 PM MDT for 23 counties in Nebraska; 10 counties in South Dakota; Goshen County, Niobrara County, Weston County, Wyoming. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued
Jun 1, 2008, 8:46 PM MDT (02:46 UTC)
Expired
Jun 1, 2008, 9:45 PM MDT
In force
59 min
Issued by
the Storm Prediction Center
All 36 counties

Arthur County, NE, Blaine County, NE, Box Butte County, NE, Brown County, NE, Buffalo County, NE, Cherry County, NE, Custer County, NE, Dawes County, NE, Dawson County, NE, Garden County, NE, Grant County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Morrill County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sherman County, NE, Sioux County, NE, Thomas County, NE, Bennett County, SD, Custer County, SD, Fall River County, SD, Haakon County, SD, Jackson County, SD, Lawrence County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Todd County, SD, Goshen County, WY, Niobrara County, WY, Weston County, WY

The radar

The North Platte radar (KLNX), 148 km from the middle of the area, began a volume at 02:49 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

Rapid City, SD (KUNR), launched 00:00Z, 2.8 hours before the alert went out and 159 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, Rapid City, SD at 00:00Z on 2008-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Rapid City, SD at 00:00Z on 2008-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2238 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 1, 6:45 PM MDTMesoscale DiscussionSPCArthur, Banner, Blaine, Box Butte, Brown, Chase and 17 more60 min
Jun 2, 12:13 AM MDTMesoscale DiscussionSPCArthur, Blaine, Box Butte, Brown, Buffalo, Cherry and 16 more92 min
Jun 2, 12:28 AM MDTSevere Thunderstorm WatchSPCArthur, Blaine, Brown, Buffalo, Cherry, Custer and 17 more6 hr
Jun 2, 3:41 AM MDTMesoscale DiscussionSPCAdams, Arthur, Blaine, Buffalo, Clay, Custer and 30 more2 hr
Jun 2, 6:22 AM MDTMesoscale DiscussionSPCClay, Fillmore, Franklin, Gage, Jefferson, Johnson and 7 more53 min
Jun 2, 6:49 AM MDTSevere Thunderstorm WatchSPCAdams, Clay, Fillmore, Franklin, Gage, Harlan and 11 more6 hr
Jun 2, 2:36 PM MDTSevere Thunderstorm WatchSPCBox Butte, Dawes, Sioux7 hr
Jun 2, 2:51 PM MDTSevere Thunderstorm WatchSPCDundy, Hitchcock, Red Willow6 hr
Jun 2, 2:03 PM MDTMesoscale DiscussionSPCButte, Haakon, Harding, Lawrence, Meade, Pennington and 2 more87 min
Jun 2, 4:01 PM MDTMesoscale DiscussionSPCJackson, Jones, Mellette, Tripp59 min

Nearby

Mesoscale Discussions in Nebraska, 2008Mesoscale Discussions in South Dakota, 2008Mesoscale Discussions in Wyoming, 2008Every mesoscale discussion in 2008

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.