Alert archive / South Dakota / Tornado Warnings in 1990

Tornado Warning 8, NWS Sioux Falls, SD

June 16, 1990Charles Mix County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 16, 1990, 8:46 PM CDT for Charles Mix County, South Dakota. It was in force for 14 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1990, 8:46 PM CDT (01:46 UTC)
Expired
Jun 16, 1990, 9:00 PM CDT
In force
14 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Charles Mix 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

Aberdeen, SD (KHON), launched 00:00Z, 1.8 hours before the alert went out and 189 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 1990-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
908 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 7:57 PM CDTFlash Flood WarningFSDYankton4 hr
Jun 16, 8:05 PM CDTSevere Thunderstorm WarningFSDMinnehaha15 min
Jun 16, 8:11 PM CDTFlash Flood WarningFSDBrookings4 hr
Jun 16, 8:29 PM CDTFlash Flood WarningFSDMoody4 hr

Nearby

Tornado Warnings in South Dakota, 1990Every tornado warning in 1990Tornadoes in 1990

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.