Alert archive / South Dakota / Tornado Warnings in 1993

Tornado Warning 13, NWS Rapid City, SD

July 15, 1993Meade County, South Dakota

NWS Rapid City, SD issued this tornado warning at Jul 15, 1993, 7:35 PM MDT for Meade County, South Dakota. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jul 15, 1993, 7:35 PM MDT (01:35 UTC)
Expired
Jul 15, 1993, 8:00 PM MDT
In force
25 min
Issued by
NWS Rapid City, SD
Area
Whole counties

County Meade County, SD

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 1.6 hours before the alert went out and 57 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, Rapid City, SD at 00:00Z on 1993-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1766 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, Rapid City, SD at 00:00Z on 1993-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
1766 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1400 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.7

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 Rapid City, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 15, 6:01 PM MDTSevere Thunderstorm WarningUNRPennington59 min
Jul 15, 6:52 PM MDTSevere Thunderstorm WarningUNRMeade38 min
Jul 15, 7:26 PM MDTSevere Thunderstorm WarningUNRLawrence49 min
Jul 15, 10:24 PM MDTSevere Thunderstorm WarningUNRFall River41 min
Jul 16, 1:14 AM MDTSevere Thunderstorm WarningUNRPennington61 min
Jul 15, 9:53 PM MDTSevere Thunderstorm WarningUNRWeston37 min
Jul 15, 10:14 PM MDTSevere Thunderstorm WarningUNRCampbell46 min
Jul 15, 10:38 PM MDTSevere Thunderstorm WarningUNRCrook52 min

Nearby

Tornado Warnings in South Dakota, 1993Every tornado warning in 1993Tornadoes 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.