Alert archive / South Dakota / Wind Advisories in 2014

Wind Advisory 9, NWS Rapid City, SD

January 25, 2014Fall River County, South Dakota

NWS Rapid City, SD issued this wind advisory at Jan 25, 2014, 9:03 AM MST for Fall River County, South Dakota. It took effect at Jan 25, 2014, 11:00 PM MST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Jan 25, 2014, 9:03 AM MST (16:03 UTC)
In effect from: Jan 25, 2014, 11:00 PM MST
Expired: Jan 26, 2014, 8:00 PM MST
In force: 21 hr
Issued by: NWS Rapid City, SD

County Fall River County, SD

The radar

The Rapid City radar (KUDX), 113 km from the middle of the area, began a volume at 16:09 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

Denver, CO (KDNR), launched 12:00Z, 4.1 hours before the alert went out and 375 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: 2807 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 91 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 Rapid City, SD wrote its last area forecast discussion before this wind advisory went out at Jan 25, 3:26 AM MST, 5 hours 37 minutes earlier.

Area forecast discussion, Jan 25, 3:26 AM MST, 5 hours 37 minutes before

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Hazardous weather outlook, Jan 25, 5:15 AM MST, 3 hours 48 minutes before

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<body>
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    <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
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        Please try again in a few minutes.
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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
Jan 25, 3:37 AM MST	High Wind Watch	UNR	Bennett, Butte, Custer, Haakon, Harding, Jackson and 9 more	5 hr
Jan 25, 9:03 AM MST	High Wind Warning	UNR	Bennett, Butte, Custer, Haakon, Harding, Jackson and 9 more	35 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.