Alert archive / South Dakota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 45, NWS Aberdeen, SD

June 21, 2015Brown County, Edmunds County, McPherson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 21, 2015, 11:03 PM CDT for Brown County, Edmunds County, McPherson County, South Dakota. It was in force for 42 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 21, 2015, 11:03 PM CDT (04:03 UTC)
Expired
Jun 21, 2015, 11:45 PM CDT
In force
42 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Brown County, SD, Edmunds County, SD, McPherson County, SD

The radar

The Aberdeen radar (KABR), 43 km from the middle of the area, began a volume at 04:04 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 21, 10:41 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 4.1 hours before the alert went out and 87 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 2015-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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, Aberdeen, SD at 00:00Z on 2015-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
37 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
2117 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 9:06 PM CDTSevere Thunderstorm WarningABRCorson39 min
Jun 21, 10:27 PM CDTSevere Thunderstorm WarningABRDewey48 min
Jun 21, 10:38 PM CDTSevere Thunderstorm WarningABRBrown, McPherson52 min
Jun 21, 11:29 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds, McPherson46 min
Jun 22, 12:13 AM CDTSevere Thunderstorm WarningABRBrown47 min
Jun 22, 12:20 AM CDTSevere Thunderstorm WarningABRCorson55 min
Jun 22, 12:37 AM CDTSevere Thunderstorm WarningABRBrown, Day38 min
Jun 22, 1:02 AM CDTSevere Thunderstorm WarningABRBrown, McPherson23 min
Jun 22, 1:04 AM CDTSevere Thunderstorm WarningABRDewey41 min
Jun 22, 1:15 AM CDTSevere Thunderstorm WarningABRCampbell, Corson, Walworth45 min
Jun 22, 1:25 AM CDTSevere Thunderstorm WarningABRJones, Lyman50 min
Jun 22, 1:30 AM CDTSevere Thunderstorm WarningABRDay, Grant, Roberts45 min
Jun 22, 1:44 AM CDTSevere Thunderstorm WarningABRDewey, Potter, Walworth46 min
Jun 22, 1:57 AM CDTSevere Thunderstorm WarningABRCampbell, Corson, Dewey, Edmunds, McPherson, Walworth44 min
Jun 22, 2:05 AM CDTSevere Thunderstorm WarningABRBuffalo, Lyman40 min
Jun 22, 2:13 AM CDTSevere Thunderstorm WarningABRCodington, Day, Grant, Roberts47 min
Jun 22, 2:16 AM CDTSevere Thunderstorm WarningABREdmunds, Faulk, Potter, Walworth44 min
Jun 22, 2:20 AM CDTSevere Thunderstorm WarningABRHughes, Jones, Lyman, Stanley, Sully40 min
Jun 22, 2:22 AM CDTSevere Thunderstorm WarningABRCodington, Day, Grant, Roberts53 min
Jun 22, 2:38 AM CDTSevere Thunderstorm WarningABRLyman37 min
Jun 22, 2:54 AM CDTSevere Thunderstorm WarningABRJones, Lyman66 min
Jun 22, 2:58 AM CDTSpecial Weather StatementABRBrown47 min
Jun 22, 3:00 AM CDTSevere Thunderstorm WarningABRBuffalo, Hand, Hughes, Hyde, Lyman, Stanley45 min
Jun 22, 3:18 AM CDTSevere Thunderstorm WarningABRBuffalo, Hughes, Lyman57 min
Jun 22, 3:31 AM CDTSevere Thunderstorm WarningABRClark, Day, Faulk, Hand, Spink44 min
Jun 22, 3:37 AM CDTSevere Thunderstorm WarningABRBuffalo, Hand, Hughes, Hyde, Lyman, Sully53 min
Jun 22, 4:33 AM CDTSevere Thunderstorm WarningABRClark, Codington, Hamlin, Spink42 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2015Every severe thunderstorm warning in 2015

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.