Alert archive / South Dakota / Wind Advisories in 2015

Wind Advisory 10, NWS Aberdeen, SD

March 31, 20154 counties in South Dakota

NWS Aberdeen, SD issued this wind advisory at Mar 31, 2015, 2:21 PM MDT for 4 counties in South Dakota. It took effect at Apr 1, 2015, 5:00 AM MDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Mar 31, 2015, 2:21 PM MDT (20:21 UTC)
In effect from: Apr 1, 2015, 5:00 AM MDT
Expired: Apr 1, 2015, 5:31 PM MDT
In force: 13 hr
Issued by: NWS Aberdeen, SD

Counties Corson County, SD, Dewey County, SD, Jones County, SD, Stanley County, SD

The radar

The Rapid City radar (KUDX), 173 km from the middle of the area, began a volume at 20:21 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 12:00Z, 8.4 hours before the alert went out and 218 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2304 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 285 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Aberdeen, SD wrote its last area forecast discussion before this wind advisory went out at Mar 31, 2:05 PM MDT, 16 minutes earlier.

Area forecast discussion, Mar 31, 2:05 PM MDT, 16 minutes before

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Hazardous weather outlook, Mar 31, 4:21 AM MDT, 10 hours before

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  <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.
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The office that day

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

Issued	Product	Office	Lasted
Mar 31, 2:22 AM MDT	Fire Weather Watch	ABR	12 hr
Mar 31, 2:22 AM MDT	Red Flag Warning	ABR	17 hr
Mar 31, 2:18 PM MDT	Red Flag Warning	ABR	30 hr

Nearby

Wind Advisories in South Dakota, 2015 Every wind advisory 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.