Alert archive / South Dakota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 63, NWS Aberdeen, SD

June 17, 2020Jones County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 17, 2020, 7:14 PM CDT for Jones County, South Dakota. It was in force for 46 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 17, 2020, 7:14 PM CDT (00:14 UTC)
Expired
Jun 17, 2020, 8:00 PM CDT
In force
46 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Jones County, SD

The radar

The Rapid City radar (KUDX), 172 km from the middle of the area, began a volume at 00:18 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 17, 6:29 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.2 hours before the alert went out and 210 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 00:00Z on 2020-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2164 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2020-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
2164 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1903 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
48 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 17, 7:16 PM CDTSevere Thunderstorm WarningABRBrown17 min
Jun 17, 7:21 PM CDTSevere Thunderstorm WarningABRHand19 min
Jun 17, 7:25 PM CDTSevere Thunderstorm WarningABRJones65 min
Jun 17, 7:45 PM CDTSpecial Weather StatementABRBrown45 min
Jun 17, 8:16 PM CDTSevere Thunderstorm WarningABRJones, Lyman, Stanley44 min
Jun 17, 8:20 PM CDTSevere Thunderstorm WarningABRBrown, Marshall40 min
Jun 17, 8:21 PM CDTSevere Thunderstorm WarningABRHand39 min
Jun 17, 8:26 PM CDTSevere Thunderstorm WarningABRJones, Lyman49 min
Jun 17, 8:40 PM CDTSpecial Weather StatementABRBrown35 min
Jun 17, 8:45 PM CDTSevere Thunderstorm WarningABRLyman45 min
Jun 17, 8:59 PM CDTSevere Thunderstorm WarningABRBuffalo, Hughes, Hyde, Lyman, Stanley46 min
Jun 17, 9:02 PM CDTSevere Thunderstorm WarningABRHand17 min
Jun 17, 9:21 PM CDTSevere Thunderstorm WarningABRJones, Lyman, Stanley39 min
Jun 17, 9:21 PM CDTSevere Thunderstorm WarningABRHand39 min
Jun 17, 10:52 PM CDTAreal Flood WarningABRJones, Lyman12 hr
Jun 17, 11:50 PM CDTSpecial Weather StatementABRClark55 min
Jun 18, 12:54 AM CDTSevere Thunderstorm WarningABRCodington, Deuel, Grant, Hamlin, Roberts40 min
Jun 18, 10:23 AM CDTAreal Flood WarningABRHand6 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2020Every severe thunderstorm warning in 2020

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.