Alert archive / South Dakota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 150, NWS Aberdeen, SD

July 19, 2005Stanley County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 19, 2005, 9:01 PM MDT for Stanley County, South Dakota. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 19, 2005, 9:01 PM MDT (03:01 UTC)
Expired: Jul 19, 2005, 9:28 PM MDT
In force: 27 min
Issued by: NWS Aberdeen, SD
Area: Counties, with a storm outline in the text

County Stanley County, SD

The radar

The Rapid City radar (KUDX), 170 km from the middle of the area, began a volume at 03:05 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

Aberdeen, SD (KABR), launched 00:00Z, 3.0 hours before the alert went out and 193 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: 1994 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 2043 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jul 19, 8:15 PM MDT, 46 minutes before

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Local storm report, Jul 19, 8:53 PM MDT, 8 minutes before

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<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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 19, 6:52 PM MDT	Severe Thunderstorm Warning	ABR	Hughes, Stanley, Sully	53 min
Jul 19, 7:02 PM MDT	Severe Thunderstorm Warning	ABR	Campbell, Corson, Dewey, Walworth	58 min
Jul 19, 7:58 PM MDT	Severe Thunderstorm Warning	ABR	Campbell	47 min
Jul 19, 8:01 PM MDT	Severe Thunderstorm Warning	ABR	Dewey, Stanley, Sully	59 min
Jul 19, 8:26 PM MDT	Severe Thunderstorm Warning	ABR	McPherson	64 min
Jul 19, 8:43 PM MDT	Severe Thunderstorm Warning	ABR	Campbell	30 min
Jul 19, 9:21 PM MDT	Severe Thunderstorm Warning	ABR	Hughes, Sully	23 min
Jul 19, 9:58 PM MDT	Severe Thunderstorm Warning	ABR	Brown, Edmunds, McPherson	62 min
Jul 19, 11:20 PM MDT	Severe Thunderstorm Warning	ABR	Hand	25 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2005 Every severe thunderstorm warning in 2005

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.