Alert archive / South Dakota / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 108, NWS Sioux Falls, SD

July 29, 2024Clay County, Union County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 29, 2024, 10:44 PM CDT for Clay County, Union County, South Dakota. It was in force for 46 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 29, 2024, 10:44 PM CDT (03:44 UTC)
Expired: Jul 29, 2024, 11:30 PM CDT
In force: 46 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 80 km from the middle of the area, began a volume at 03:47 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 29, 8:47 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

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 29, 9:14 PM CDT, 1 hour 30 minutes before

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Local storm report, Jul 29, 9:29 PM CDT, 1 hour 15 minutes before

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Local storm report, Jul 29, 9:35 PM CDT, 1 hour 9 minutes before

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Local storm report, Jul 29, 9:47 PM CDT, 57 minutes before

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
947 PM CDT Mon Jul 29 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0930 PM     Tstm Wnd Gst     1 SSW Parkston          43.38N 97.99W
07/29/2024  M60 MPH          Hutchinson         SD   Mesonet

            Mesonet station PSTS2 Parkston (SD Mesonet).

0930 PM     Tstm Wnd Gst     1 ENE Wagner            43.08N 98.28W
07/29/2024  M57 MPH          Charles Mix        SD   Public

            Personal weather station.

0937 PM     Tstm Wnd Gst     2 WNW Scotland          43.16N 97.76W
07/29/2024  M58 MPH          Bon Homme          SD   Public

            Personal weather station.

&&

Local storm report, Jul 29, 10:02 PM CDT, 42 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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Local storm report, Jul 29, 10:15 PM CDT, 29 minutes before

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<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.
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      <p id="message2">
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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 Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 29, 7:44 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Gregory	46 min
Jul 29, 8:22 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Brule, Charles Mix, Davison, Douglas	38 min
Jul 29, 8:55 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Charles Mix, Davison, Douglas, Hutchinson	50 min
Jul 29, 9:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Bon Homme, Charles Mix, Davison, Hanson, Hutchinson, Yankton	44 min
Jul 29, 9:19 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Gregory	41 min
Jul 29, 9:46 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Hutchinson, Turner, Yankton	44 min
Jul 29, 9:53 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Clay, Yankton	52 min
Jul 29, 11:18 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Union	42 min
Jul 29, 11:28 PM CDT	Severe Thunderstorm Warning	FSD	Union	32 min
Jul 30, 3:05 AM CDT	Severe Thunderstorm Warning	FSD	Hanson, Lake, McCook, Miner, Minnehaha	40 min
Jul 30, 4:36 AM CDT	Severe Thunderstorm Warning	FSD	Lincoln, McCook, Minnehaha, Turner	39 min
Jul 30, 5:09 AM CDT	Severe Thunderstorm Warning	FSD	Clay, Lincoln, Turner, Union	51 min
Jul 30, 6:15 AM CDT	Severe Thunderstorm Warning	FSD	Brule	45 min
Jul 30, 6:48 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Brule, Jerauld	42 min
Jul 30, 7:14 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison, Sanborn	46 min
Jul 30, 7:41 AM CDT	Severe Thunderstorm Warning	FSD	Davison, Hanson, McCook	34 min
Jul 30, 8:14 AM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Union	28 min
Jul 29, 11:49 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Ida, Plymouth, Woodbury	41 min
Jul 30, 12:20 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Buena Vista, Cherokee, Ida, Woodbury	55 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2024 Every severe thunderstorm warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.