Alert archive / South Dakota / Wind Advisories in 2014

Wind Advisory 26, NWS Rapid City, SD

June 30, 20147 counties in South Dakota

NWS Rapid City, SD issued this wind advisory at Jun 30, 2014, 2:47 AM MDT for 7 counties in South Dakota. It took effect at Jun 30, 2014, 8:00 AM MDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Jun 30, 2014, 2:47 AM MDT (08:47 UTC)
In effect from: Jun 30, 2014, 8:00 AM MDT
Expired: Jun 30, 2014, 7:00 PM MDT
In force: 11 hr
Issued by: NWS Rapid City, SD

Counties Custer County, SD, Haakon County, SD, Jackson County, SD, Lawrence County, SD, Meade County, SD, Pennington County, SD, Ziebach County, SD

The radar

The Rapid City radar (KUDX), 27 km from the middle of the area, began a volume at 08:48 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 8.8 hours before the alert went out and 316 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: 18 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 2444 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Rapid City, SD wrote its last area forecast discussion before this wind advisory went out at Jun 30, 2:47 AM MDT, 0 minutes earlier.

Area forecast discussion, Jun 30, 2:47 AM MDT, 0 minutes before

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Hazardous weather outlook, Jun 29, 3:49 PM MDT, 10 hours 58 minutes before

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</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>
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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 Rapid City, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 30, 2:47 AM MDT	High Wind Warning	UNR	Butte, Harding, Meade, Perkins	16 hr

Nearby

Wind Advisories in South Dakota, 2014 Every wind advisory in 2014

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.