Alert archive / South Dakota / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 113, NWS Sioux Falls, SD

June 28, 2025Brookings County, Kingsbury County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 28, 2025, 10:53 PM CDT for Brookings County, Kingsbury County, South Dakota. It was in force for 37 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
Jun 28, 2025, 10:53 PM CDT (03:53 UTC)
Expired
Jun 28, 2025, 11:30 PM CDT
In force
37 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Brookings County, SD, Kingsbury County, SD

The radar

The Sioux Falls radar (KFSD), 93 km from the middle of the area, began a volume at 03:56 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.

IssuedProductOfficeLasted
Jun 28, 6:36 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 3.9 hours before the alert went out and 116 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2025-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2696 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2025-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2696 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1383 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.6
Supercell composite
7.0

Open this sounding in Storm Lab

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.

NWS Sioux Falls, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 3:19 PM CDT, 7 hours 34 minutes earlier.

Area forecast discussion, Jun 28, 3:19 PM CDT, 7 hours 34 minutes before
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Hazardous weather outlook, Jun 28, 4:18 AM CDT, 18 hours 35 minutes 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.
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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.

IssuedProductOfficeCountiesLasted
Jun 28, 10:30 PM CDTSevere Thunderstorm WarningFSDGregory60 min
Jun 28, 10:33 PM CDTSevere Thunderstorm WarningFSDBrookings42 min
Jun 28, 11:26 PM CDTSevere Thunderstorm WarningFSDBrookings, Kingsbury, Lake, Moody49 min
Jun 28, 11:31 PM CDTSevere Thunderstorm WarningFSDBrookings, Kingsbury, Lake, Miner44 min
Jun 29, 12:14 AM CDTSevere Thunderstorm Warning Considerable damage threatFSDBrookings, Lake, Moody46 min
Jun 29, 12:50 AM CDTSevere Thunderstorm WarningFSDHanson, Miner25 min
Jun 29, 1:23 AM CDTSevere Thunderstorm WarningFSDBon Homme, Hutchinson, Turner, Yankton52 min
Jun 29, 1:57 AM CDTSevere Thunderstorm WarningFSDClay, Turner, Yankton33 min
Jun 29, 2:09 AM CDTSevere Thunderstorm WarningFSDClay, Yankton36 min
Jun 29, 2:42 AM CDTSevere Thunderstorm WarningFSDClay, Union, Yankton34 min
Jun 29, 6:07 AM CDTSevere Thunderstorm WarningFSDBeadle, Jerauld23 min
Jun 29, 6:17 AM CDTRiver Flood WarningFSDBrookings, Hamlin6 days
Jun 29, 6:29 AM CDTSevere Thunderstorm WarningFSDBeadle, Jerauld, Sanborn31 min
Jun 29, 7:58 AM CDTRiver Flood WarningFSDBrookings21 days
Jun 29, 9:30 AM CDTRiver Flood WarningFSDBrookings, Moody11 days
Jun 29, 10:20 AM CDTRiver Flood WarningFSDBrookings60 hr
Jun 29, 3:38 AM CDTSevere Thunderstorm WarningFSDO'Brien, Plymouth, Sioux37 min
Jun 29, 4:02 AM CDTSevere Thunderstorm WarningFSDCherokee, Ida, Plymouth, Woodbury43 min
Jun 29, 4:06 AM CDTSevere Thunderstorm WarningFSDBuena Vista, Cherokee, Clay, O'Brien, Plymouth, Sioux39 min
Jun 29, 4:42 AM CDTSevere Thunderstorm WarningFSDBuena Vista, Cherokee, Ida, Plymouth, Woodbury48 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2025Every severe thunderstorm warning in 2025

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.