Alert archive / South Dakota / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 78, NWS Aberdeen, SD

July 4, 20255 counties in South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 4, 2025, 3:47 PM CDT for 5 counties in South Dakota. It was in force for 43 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 4, 2025, 3:47 PM CDT (20:47 UTC)
Expired
Jul 4, 2025, 4:30 PM CDT
In force
43 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Brown County, SD, Day County, SD, Edmunds County, SD, Faulk County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 22 km from the middle of the area, began a volume at 20:48 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
Jul 4, 2:03 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 8.8 hours before the alert went out and 43 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 12:00Z on 2025-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1647 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 12:00Z on 2025-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 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
1647 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
1472 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
241 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
Jul 4, 2:42 PM CDTSpecial Weather StatementABRMcPherson33 min
Jul 4, 2:53 PM CDTSpecial Weather StatementABRHyde52 min
Jul 4, 3:25 PM CDTSpecial Weather StatementABRBrown35 min
Jul 4, 3:31 PM CDTSevere Thunderstorm Warning Considerable damage threatABRBrown44 min
Jul 4, 3:59 PM CDTSevere Thunderstorm WarningABRHand, Hyde31 min
Jul 4, 4:15 PM CDTSevere Thunderstorm WarningABRBrown, Day, Edmunds, Faulk, Marshall, Spink27 min
Jul 4, 4:35 PM CDTSpecial Weather StatementABRDay, Marshall, Spink25 min
Jul 4, 4:39 PM CDTFlash Flood WarningABRBrown, Edmunds3 hr
Jul 4, 5:30 PM CDTSpecial Weather StatementABRDay, Marshall45 min
Jul 4, 6:56 PM CDTSpecial Weather StatementABRRoberts34 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.