Alert archive / South Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 73, NWS Aberdeen, SD

June 15, 20268 counties in South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 15, 2026, 3:19 PM CDT for 8 counties in South Dakota. It was in force for 56 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 15, 2026, 3:19 PM CDT (20:19 UTC)
Expired
Jun 15, 2026, 4:15 PM CDT
In force
56 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Brown County, SD, Clark County, SD, Day County, SD, Edmunds County, SD, Faulk County, SD, Marshall County, SD, McPherson County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 12 km from the middle of the area, began a volume at 20:19 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

Minneapolis, MN (KMPX), launched 12:00Z, 8.3 hours before the alert went out and 381 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, Minneapolis, MN at 12:00Z on 2026-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Minneapolis, MN at 12:00Z on 2026-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2067 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 1:27 PM CDTSpecial Weather StatementABRCampbell33 min
Jun 15, 1:52 PM CDTSpecial Weather StatementABRCampbell38 min
Jun 15, 1:58 PM CDTSpecial Weather StatementABRCampbell, McPherson, Potter, Walworth47 min
Jun 15, 2:09 PM CDTSevere Thunderstorm WarningABRCampbell, Edmunds, Faulk, McPherson, Potter, Walworth66 min
Jun 15, 2:46 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds, Faulk, McPherson, Spink44 min
Jun 15, 2:54 PM CDTSpecial Weather StatementABRFaulk, Sully36 min
Jun 15, 3:00 PM CDTSevere Thunderstorm Warning Considerable damage threatABRFaulk, Hand, Hyde, Potter, Spink60 min
Jun 15, 3:21 PM CDTSevere Thunderstorm WarningABRBuffalo, Hand, Hughes, Hyde, Sully54 min
Jun 15, 3:33 PM CDTSevere Thunderstorm WarningABRClark, Faulk, Hand, Spink42 min
Jun 15, 3:58 PM CDTWind AdvisoryABRBuffalo, Campbell, Corson, Dewey, Edmunds, Faulk and 10 more6 hr
Jun 15, 4:09 PM CDTSpecial Weather StatementABRClark, Codington, Day, Marshall, Roberts36 min
Jun 15, 4:36 PM CDTSpecial Weather StatementABRCodington, Hamlin24 min
Jun 15, 4:54 PM CDTSpecial Weather StatementABRDeuel, Grant36 min
Jun 15, 5:29 PM CDTSpecial Weather StatementABRCodington, Deuel, Grant, Hamlin, Roberts31 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2026Every severe thunderstorm warning in 2026

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.