Alert archive / South Dakota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 14, NWS Sioux Falls, SD

June 16, 1993Brookings County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 16, 1993, 7:08 PM CDT for Brookings County, South Dakota. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1993, 7:08 PM CDT (00:08 UTC)
Expired
Jun 16, 1993, 7:45 PM CDT
In force
37 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Brookings County, SD

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 0.1 hours before the alert went out and 258 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, Minneapolis, MN at 00:00Z on 1993-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 186 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, Minneapolis, MN at 00:00Z on 1993-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
186 J/kg
Mixed-layer CIN
-212 J/kg
Mixed-layer LCL
608 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 17, 1:55 AM CDTSevere Thunderstorm WarningFSDHanson35 min
Jun 16, 9:04 PM CDTFlash Flood WarningFSDLyon4 hr
Jun 17, 1:09 AM CDTFlash Flood WarningFSDLyon4 hr

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.