Alert archive / South Dakota / Tornado Warnings in 1994

Tornado Warning 2, NWS Rapid City, SD

June 6, 1994Jackson County, South Dakota

NWS Rapid City, SD issued this tornado warning at Jun 6, 1994, 3:21 PM MDT for Jackson County, South Dakota. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1994, 3:21 PM MDT (21:21 UTC)
Expired
Jun 6, 1994, 4:15 PM MDT
In force
54 min
Issued by
NWS Rapid City, SD
Area
Whole counties

County Jackson County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 9.4 hours before the alert went out and 290 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 12:00Z on 1994-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 563 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 12:00Z on 1994-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
563 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
1416 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

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 Rapid City, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 9:55 AM MDTSevere Thunderstorm WarningUNRJackson, Pennington50 min
Jun 6, 10:02 AM MDTSevere Thunderstorm WarningUNRPerkins43 min
Jun 6, 2:38 PM MDTTornado WarningUNRJackson37 min
Jun 6, 3:16 PM MDTSevere Thunderstorm WarningUNRPennington59 min
Jun 6, 4:01 PM MDTSevere Thunderstorm WarningUNRBennett59 min

Nearby

Tornado Warnings in South Dakota, 1994Every tornado warning in 1994Tornadoes in 1994

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.