Alert archive / South Dakota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 39, NWS Aberdeen, SD

June 22, 1993McPherson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 22, 1993, 9:36 PM CDT for McPherson County, South Dakota. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1993, 9:36 PM CDT (02:36 UTC)
Expired
Jun 22, 1993, 10:45 PM CDT
In force
69 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County McPherson County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 2.6 hours before the alert went out and 116 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 1993-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1579 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 1993-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
1579 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1761 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
254 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 7:30 PM CDTSevere Thunderstorm WarningABRCorson60 min
Jun 22, 7:44 PM CDTSevere Thunderstorm WarningABRCorson, Dewey61 min
Jun 22, 8:06 PM CDTSevere Thunderstorm WarningABRSully69 min
Jun 22, 8:13 PM CDTSevere Thunderstorm WarningABRPotter62 min
Jun 22, 8:17 PM CDTSevere Thunderstorm WarningABRCampbell, Walworth58 min
Jun 22, 8:53 PM CDTSevere Thunderstorm WarningABRHyde37 min
Jun 22, 9:30 PM CDTTornado WarningABREdmunds30 min
Jun 22, 9:32 PM CDTTornado WarningABREdmunds28 min
Jun 22, 9:36 PM CDTSevere Thunderstorm WarningABRHand39 min
Jun 22, 9:56 PM CDTSevere Thunderstorm WarningABRSpink64 min
Jun 22, 9:58 PM CDTSevere Thunderstorm WarningABRBeadle32 min
Jun 22, 10:01 PM CDTSevere Thunderstorm WarningABRBrown59 min
Jun 22, 10:43 PM CDTSevere Thunderstorm WarningABRDay, Marshall62 min
Jun 22, 11:37 PM CDTSevere Thunderstorm WarningABRRoberts68 min
Jun 23, 6:29 PM CDTSevere Thunderstorm WarningABRSpink61 min
Jun 23, 6:50 PM CDTSevere Thunderstorm WarningABRBrown55 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1993Every severe thunderstorm warning in 1993

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.