Alert archive / South Dakota / Wind Advisories in 2025

Wind Advisory 21, NWS Rapid City, SD

April 28, 20256 counties in South Dakota

NWS Rapid City, SD issued this wind advisory at Apr 28, 2025, 2:25 AM MDT for 6 counties in South Dakota. It took effect at Apr 28, 2025, 9:00 AM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 28, 2025, 2:25 AM MDT (08:25 UTC)
In effect from
Apr 28, 2025, 9:00 AM MDT
Expired
Apr 28, 2025, 6:00 PM MDT
In force
9 hr
Issued by
NWS Rapid City, SD

Counties Butte County, SD, Harding County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD, Ziebach County, SD

The radar

The Rapid City radar (KUDX), 89 km from the middle of the area, began a volume at 08:26 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

Rapid City, SD (KUNR), launched 00:00Z, 8.4 hours before the alert went out and 95 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, Rapid City, SD at 00:00Z on 2025-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1437 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, Rapid City, SD at 00:00Z on 2025-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
1437 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1668 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 6:18 PM MDTSevere Thunderstorm WarningUNROglala Lakota72 min
Apr 27, 7:15 PM MDTSevere Thunderstorm WarningUNROglala Lakota45 min
Apr 27, 7:24 PM MDTSpecial Weather StatementUNRLawrence36 min
Apr 27, 7:53 PM MDTSevere Thunderstorm WarningUNRCuster, Oglala Lakota, Pennington52 min
Apr 27, 8:02 PM MDTSevere Thunderstorm Warning Considerable damage threatUNRPennington58 min
Apr 27, 8:44 PM MDTSevere Thunderstorm WarningUNRPennington44 min
Apr 27, 8:51 PM MDTSevere Thunderstorm WarningUNRCuster, Fall River, Oglala Lakota37 min
Apr 27, 9:31 PM MDTSpecial Weather StatementUNRPennington14 min
Apr 27, 10:21 PM MDTSevere Thunderstorm Warning Considerable damage threatUNRBennett54 min
Apr 27, 10:36 PM MDTSevere Thunderstorm Warning Considerable damage threatUNRTodd43 min
Apr 27, 11:04 PM MDTSevere Thunderstorm WarningUNRBennett, Todd56 min
Apr 27, 11:40 PM MDTSevere Thunderstorm WarningUNRMellette, Todd37 min
Apr 27, 11:41 PM MDTSevere Thunderstorm WarningUNRHarding16 min
Apr 28, 12:31 AM MDTSpecial Weather StatementUNRHarding44 min

Nearby

Wind Advisories in South Dakota, 2025Every wind advisory 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.