Alert archive / South Dakota / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 95, NWS Aberdeen, SD

July 29, 1986Corson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 29, 1986, 9:08 PM MDT for Corson County, South Dakota. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1986, 9:08 PM MDT (03:08 UTC)
Expired
Jul 29, 1986, 10:15 PM MDT
In force
67 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Corson County, SD

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.1 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 1986-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1008 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 1986-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.19395878Sfc1 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
1008 J/kg
Mixed-layer CIN
-191 J/kg
Mixed-layer LCL
2590 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

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
Jul 29, 7:00 PM MDTSevere Thunderstorm WarningABRClark, Hamlin, Kingsbury60 min
Jul 29, 7:26 PM MDTSevere Thunderstorm WarningABRDay64 min
Jul 29, 7:56 PM MDTSevere Thunderstorm WarningABRHamlin, Kingsbury64 min
Jul 29, 7:56 PM MDTSevere Thunderstorm WarningABRDeuel64 min
Jul 29, 9:00 PM MDTSevere Thunderstorm WarningABRDeuel30 min
Jul 29, 9:03 PM MDTSevere Thunderstorm WarningABRDay57 min
Jul 29, 9:17 PM MDTSevere Thunderstorm WarningABRCampbell58 min
Jul 29, 9:19 PM MDTSevere Thunderstorm WarningABRCodington, Grant56 min
Jul 29, 9:30 PM MDTTornado WarningABRClark30 min
Jul 29, 9:50 PM MDTSevere Thunderstorm WarningABRWalworth55 min
Jul 29, 9:52 PM MDTTornado WarningABRCodington38 min
Jul 29, 10:00 PM MDTSevere Thunderstorm WarningABRDay60 min
Jul 29, 10:11 PM MDTSevere Thunderstorm WarningABRCampbell64 min
Jul 29, 10:21 PM MDTTornado WarningABRCodington39 min
Jul 29, 10:36 PM MDTSevere Thunderstorm WarningABRCampbell, McPherson69 min
Jul 29, 10:58 PM MDTTornado WarningABRCodington, Deuel, Hamlin32 min
Jul 29, 11:28 PM MDTTornado WarningABRDeuel, Grant32 min
Jul 30, 1:46 AM MDTSevere Thunderstorm WarningABRFaulk, Spink59 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1986Every severe thunderstorm warning in 1986

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.