Alert archive / South Dakota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 66, NWS Aberdeen, SD

July 16, 2019Corson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 16, 2019, 7:24 PM MDT for Corson County, South Dakota. It was in force for 51 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 16, 2019, 7:24 PM MDT (01:24 UTC)
Expired
Jul 16, 2019, 8:15 PM MDT
In force
51 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Tornado
Possible
Hail
1.75 in
Wind
60.0 mph

County Corson County, SD

The radar

The Bismarck radar (KBIS), 123 km from the middle of the area, began a volume at 01:23 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 16, 2:50 PM MDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 1.4 hours before the alert went out and 225 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 2019-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2775 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 2019-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939587897Sfc1 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
2775 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1389 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.8

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 6:15 PM MDTSevere Thunderstorm WarningABREdmunds, McPherson45 min
Jul 16, 6:17 PM MDTSevere Thunderstorm WarningABRCampbell, Walworth14 min
Jul 16, 6:56 PM MDTSevere Thunderstorm WarningABREdmunds49 min
Jul 16, 7:36 PM MDTSevere Thunderstorm WarningABREdmunds, Faulk19 min
Jul 16, 8:09 PM MDTSevere Thunderstorm WarningABRCorson51 min
Jul 16, 8:20 PM MDTSpecial Weather StatementABRSpink40 min
Jul 16, 8:29 PM MDTSpecial Weather StatementABRFaulk46 min
Jul 16, 8:58 PM MDTSevere Thunderstorm WarningABRCampbell, Corson, Dewey, Walworth47 min
Jul 16, 9:21 PM MDTSevere Thunderstorm WarningABRJones, Stanley54 min
Jul 16, 9:46 PM MDTSevere Thunderstorm WarningABRCampbell, Corson, Dewey, Walworth44 min
Jul 16, 10:15 PM MDTSevere Thunderstorm WarningABRJones, Lyman24 min
Jul 16, 10:30 PM MDTSevere Thunderstorm WarningABRPotter, Walworth15 min
Jul 16, 10:31 PM MDTSpecial Weather StatementABRDewey29 min
Jul 16, 10:42 PM MDTSpecial Weather StatementABRLyman48 min
Jul 16, 11:20 PM MDTSpecial Weather StatementABRCorson25 min
Jul 16, 11:29 PM MDTSpecial Weather StatementABRBuffalo, Hand46 min
Jul 16, 11:47 PM MDTSpecial Weather StatementABRDewey43 min
Jul 17, 12:07 AM MDTSevere Thunderstorm WarningABRBuffalo, Hand23 min
Jul 17, 12:08 AM MDTSevere Thunderstorm WarningABRFaulk, Potter30 min
Jul 17, 12:30 AM MDTSpecial Weather StatementABRFaulk45 min
Jul 17, 12:36 AM MDTSevere Thunderstorm WarningABRDewey, Edmunds, Potter, Walworth39 min
Jul 17, 12:36 AM MDTSevere Thunderstorm WarningABRFaulk, Hand, Hyde39 min
Jul 17, 1:07 AM MDTSpecial Weather StatementABRJones53 min
Jul 17, 1:15 AM MDTSevere Thunderstorm WarningABREdmunds, Faulk, McPherson, Potter, Walworth33 min
Jul 17, 1:42 AM MDTAreal Flood WarningABRJones6 hr
Jul 17, 2:37 AM MDTSpecial Weather StatementABRBuffalo23 min
Jul 17, 4:32 AM MDTAreal Flood WarningABRLyman3 hr
Jul 17, 4:42 AM MDTSpecial Weather StatementABRLyman33 min
Jul 17, 5:53 AM MDTAreal Flood WarningABRHughes, Jones, Lyman6 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2019Every severe thunderstorm warning in 2019

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.