Alert archive / South Dakota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 13, NWS Aberdeen, SD

May 25, 2013Corson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 25, 2013, 7:19 PM MDT for Corson County, South Dakota. It was in force for 56 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
May 25, 2013, 7:19 PM MDT (01:19 UTC)
Expired
May 25, 2013, 8:15 PM MDT
In force
56 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
1.0 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 01:22 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
May 25, 1:52 PM MDTTornado WatchSPC8 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.3 hours before the alert went out and 124 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, Bismarck Municip, ND at 00:00Z on 2013-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 946 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, Bismarck Municip, ND at 00:00Z on 2013-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
946 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
947 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.5

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 6:00 PM MDTSevere Thunderstorm WarningABRCorson30 min
May 25, 6:30 PM MDTSevere Thunderstorm WarningABRCorson45 min
May 25, 7:52 PM MDTSevere Thunderstorm WarningABRCorson38 min
May 25, 8:27 PM MDTSevere Thunderstorm WarningABRCorson48 min
May 25, 8:29 PM MDTSevere Thunderstorm WarningABRCorson46 min
May 25, 9:16 PM MDTSevere Thunderstorm WarningABRCorson, Dewey44 min
May 26, 12:42 AM MDTSevere Thunderstorm WarningABRDewey63 min
May 26, 1:45 AM MDTSevere Thunderstorm WarningABRDewey45 min
May 26, 2:20 AM MDTSevere Thunderstorm WarningABRDewey, Potter, Sully55 min
May 26, 2:59 AM MDTSevere Thunderstorm WarningABRHyde, Sully46 min
May 26, 3:22 AM MDTSevere Thunderstorm WarningABRHand, Hughes, Hyde, Sully53 min
May 26, 4:14 AM MDTSevere Thunderstorm WarningABRHand, Spink61 min
May 26, 9:38 AM MDTAreal Flood WarningABRHand56 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2013Every severe thunderstorm warning in 2013

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.