Alert archive / South Dakota / Wind Advisories in 2014

Wind Advisory 27, NWS Rapid City, SD

July 24, 20146 counties in South Dakota

NWS Rapid City, SD issued this wind advisory at Jul 24, 2014, 7:53 PM MDT for 6 counties in South Dakota. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jul 24, 2014, 7:53 PM MDT (01:53 UTC)
Expired: Jul 25, 2014, 5:00 AM MDT
In force: 9 hr
Issued by: NWS Rapid City, SD

Counties Butte County, SD, Harding County, SD, Lawrence County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD

The radar

The Rapid City radar (KUDX), 81 km from the middle of the area, began a volume at 01:55 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, 1.9 hours before the alert went out and 288 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: 833 J/kg
Mixed-layer CIN: -417 J/kg
Mixed-layer LCL: 1124 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 138 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 Jul 24, 2:17 PM MDT, 5 hours 36 minutes earlier.

Area forecast discussion, Jul 24, 2:17 PM MDT, 5 hours 36 minutes before

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Hazardous weather outlook, Jul 24, 2:22 PM MDT, 5 hours 31 minutes before

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In the hours before

Special weather statement, Jul 24, 4:41 PM MDT, 3 hours 12 minutes before

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Local storm report, Jul 24, 5:07 PM MDT, 2 hours 46 minutes before

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Local storm report, Jul 24, 5:18 PM MDT, 2 hours 35 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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Local storm report, Jul 24, 5:53 PM MDT, 2 hours before

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

Issued	Product	Office	Counties	Lasted
Jul 24, 6:04 PM MDT	Severe Thunderstorm Warning	UNR	Harding	56 min
Jul 24, 6:13 PM MDT	Severe Thunderstorm Warning	UNR	Bennett, Todd	22 min
Jul 24, 6:41 PM MDT	Severe Thunderstorm Warning	UNR	Butte	22 min
Jul 24, 6:55 PM MDT	Special Weather Statement	UNR	Todd	35 min
Jul 24, 6:58 PM MDT	Severe Thunderstorm Warning	UNR	Harding, Perkins	47 min
Jul 24, 7:33 PM MDT	Severe Thunderstorm Warning	UNR	Perkins	57 min
Jul 24, 8:16 PM MDT	Severe Thunderstorm Warning	UNR	Perkins, Ziebach	59 min
Jul 24, 9:31 PM MDT	Special Weather Statement	UNR	Ziebach	29 min

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.