Alert archive / South Dakota / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 193, NWS Sioux Falls, SD

July 23, 2025Beadle County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 23, 2025, 9:30 AM CDT for Beadle County, South Dakota. It was in force for 30 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 23, 2025, 9:30 AM CDT (14:30 UTC)
Expired: Jul 23, 2025, 10:00 AM CDT
In force: 30 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

County Beadle County, SD

The radar

The Aberdeen radar (KABR), 116 km from the middle of the area, began a volume at 14:30 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

Aberdeen, SD (KABR), launched 12:00Z, 2.5 hours before the alert went out and 55 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: 1911 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 755 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.6

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 Jul 23, 8:19 AM CDT, 1 hour 11 minutes earlier.

Area forecast discussion, Jul 23, 8:19 AM CDT, 1 hour 11 minutes before

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Hazardous weather outlook, Jul 23, 8:15 AM CDT, 1 hour 15 minutes before

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In the hours before

Local storm report, Jul 23, 7:35 AM CDT, 1 hour 55 minutes before

Preliminary Local Storm Report
National Weather Service Sioux Falls SD
735 AM CDT Wed Jul 23 2025

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

0717 AM     Tstm Wnd Dmg     Plankinton              43.71N 98.48W
07/23/2025                   Aurora             SD   Emergency Mngr

            Several 3-4 inch diameter tree branches down
            in town.

&&

ak

Local storm report, Jul 23, 8:09 AM CDT, 1 hour 21 minutes before

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Local storm report, Jul 23, 8:50 AM CDT, 40 minutes before

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Local storm report, Jul 23, 9:13 AM CDT, 17 minutes before

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Local storm report, Jul 23, 9:15 AM CDT, 15 minutes before

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Local storm report, Jul 23, 9:17 AM CDT, 13 minutes before

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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 23, 6:58 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Davison, Douglas	32 min
Jul 23, 7:20 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Davison, Hanson, Jerauld, Sanborn	40 min
Jul 23, 7:47 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle, Jerauld, Sanborn	43 min
Jul 23, 8:15 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle, Kingsbury, Miner	45 min
Jul 23, 8:15 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle, Jerauld	60 min
Jul 23, 8:28 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle	62 min
Jul 23, 9:00 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle	45 min
Jul 23, 6:11 PM CDT	Flash Flood Warning	FSD	Lincoln, Minnehaha	3 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2025 Every 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.