Alert archive / South Dakota / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 25, NWS Aberdeen, SD

June 16, 2025Corson County, Dewey County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 16, 2025, 2:16 AM MDT for Corson County, Dewey County, South Dakota. It was in force for 44 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 16, 2025, 2:16 AM MDT (08:16 UTC)
Expired
Jun 16, 2025, 3:00 AM MDT
In force
44 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Corson County, SD, Dewey County, SD

The radar

The Bismarck radar (KBIS), 150 km from the middle of the area, began a volume at 08:17 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 15, 6:51 PM MDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 8.3 hours before the alert went out and 151 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, Bismarck Municip, ND at 00:00Z on 2025-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 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, Bismarck Municip, ND at 00:00Z on 2025-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
1725 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
1256 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.9

Open this sounding in Storm Lab

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 15, 10:45 PM MDTSevere Thunderstorm WarningABRJones, Stanley45 min
Jun 16, 12:00 AM MDTSevere Thunderstorm WarningABRCorson, Dewey45 min
Jun 16, 12:13 AM MDTSevere Thunderstorm WarningABRCorson32 min
Jun 16, 12:38 AM MDTSpecial Weather StatementABRDewey, Stanley52 min
Jun 16, 12:45 AM MDTSpecial Weather StatementABRLyman60 min
Jun 16, 12:47 AM MDTSevere Thunderstorm WarningABRCorson43 min
Jun 16, 12:58 AM MDTSevere Thunderstorm Warning Destructive damage threatABRCorson62 min
Jun 16, 1:06 AM MDTSevere Thunderstorm WarningABRCampbell39 min
Jun 16, 1:12 AM MDTSpecial Weather StatementABRBuffalo, Hughes, Hyde, Lyman63 min
Jun 16, 1:14 AM MDTSevere Thunderstorm WarningABRHand, Hyde19 min
Jun 16, 1:26 AM MDTSevere Thunderstorm Warning Considerable damage threatABRCorson, Dewey64 min
Jun 16, 1:47 AM MDTSpecial Weather StatementABRMcPherson58 min
Jun 16, 2:01 AM MDTSevere Thunderstorm WarningABRCampbell, Corson, Potter, Walworth44 min
Jun 16, 2:46 AM MDTSpecial Weather StatementABRCampbell, Edmunds, McPherson, Walworth44 min
Jun 16, 2:48 AM MDTSpecial Weather StatementABRDeuel27 min
Jun 16, 2:51 AM MDTSevere Thunderstorm WarningABRDeuel39 min
Jun 16, 3:07 AM MDTSpecial Weather StatementABRDewey, Hughes, Lyman, Potter, Sully68 min
Jun 16, 3:43 AM MDTSpecial Weather StatementABRFaulk, Potter, Walworth62 min
Jun 16, 4:12 AM MDTSevere Thunderstorm WarningABRDay, Marshall, Roberts27 min
Jun 16, 4:27 AM MDTWind AdvisoryABRBuffalo, Hand, Hughes, Hyde, Lyman2 hr
Jun 16, 9:39 AM MDTRiver Flood WarningABRRoberts22 hr
Jun 16, 7:41 AM MDTRiver Flood WarningABRBig Stone3 days

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.