Alert archive / South Dakota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 17, NWS Aberdeen, SD

June 13, 2014Dewey County, Stanley County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 13, 2014, 8:11 PM MDT for Dewey County, Stanley County, South Dakota. It was in force for 64 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 13, 2014, 8:11 PM MDT (02:11 UTC)
Expired
Jun 13, 2014, 9:15 PM MDT
In force
64 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Dewey County, SD, Stanley County, SD

The radar

The Rapid City radar (KUDX), 177 km from the middle of the area, began a volume at 02:10 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 (KRAP), launched 00:00Z, 2.2 hours before the alert went out and 183 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 2014-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1139 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 2014-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
1139 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
2334 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 8:46 PM MDTSevere Thunderstorm WarningABRCorson, Dewey, Potter, Stanley, Sully59 min
Jun 13, 9:11 PM MDTSevere Thunderstorm WarningABRCampbell, Corson, Dewey, Potter, Walworth49 min
Jun 13, 9:44 PM MDTSevere Thunderstorm WarningABRCampbell, Corson, Edmunds, Faulk, Hand, Hyde and 4 more45 min
Jun 13, 10:22 PM MDTSevere Thunderstorm WarningABRBrown, Edmunds, McPherson38 min
Jun 13, 10:54 PM MDTSevere Thunderstorm WarningABRBrown, Edmunds42 min
Jun 13, 11:54 PM MDTSevere Thunderstorm WarningABRClark, Codington, Day36 min
Jun 14, 10:57 AM MDTSevere Thunderstorm WarningABRJones, Lyman, Stanley48 min
Jun 14, 11:42 AM MDTSevere Thunderstorm WarningABRJones, Lyman48 min
Jun 14, 12:02 PM MDTSevere Thunderstorm WarningABRLyman43 min
Jun 14, 1:57 PM MDTSevere Thunderstorm WarningABRHand48 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2014Every severe thunderstorm warning in 2014

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.