Alert archive / South Dakota / Tornado Warnings in 1996

Tornado Warning 13, NWS Rapid City, SD

June 11, 1996Fall River County, South Dakota

NWS Rapid City, SD issued this tornado warning at Jun 11, 1996, 8:13 PM MDT for Fall River County, South Dakota. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 11, 1996, 8:13 PM MDT (02:13 UTC)
Expired
Jun 11, 1996, 9:00 PM MDT
In force
47 min
Issued by
NWS Rapid City, SD
Area
Whole counties

County Fall River County, SD

The radar

The Rapid City radar (KUDX), 113 km from the middle of the area, began a volume at 02:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 2.2 hours before the alert went out and 106 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 1996-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 749 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1996-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -104 square meters per square second.1939Sfc1 km3 km6 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
749 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
2003 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-104 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KRAP 120214
TORRAP
SDC047-120300-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RAPID CITY SD
813 PM MDT TUE JUN 11 1996
 
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  900 PM MDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST SOUTH DAKOTA
 
   ...CENTRAL FALL RIVER COUNTY
 
AT 807 PM... LAW ENFORCEMENT IN FALL RIVER COUNTY REPORTED A POSSIBLE
TORNADO NEAR EDGEMONT. THIS STORM IS MOVING EAST AT 20 MPH AND WILL
EFFECT HIGHWAY 71... HOT SPRINGS AND ANGOSTURA RESERVOIR BY 845 PM.
 
IF YOU ARE IN THE PATH OF THIS TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
FRANZEN

The office that day

Everything else NWS Rapid City, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 6:35 PM MDTSevere Thunderstorm WarningUNRPennington25 min
Jun 11, 6:43 PM MDTSevere Thunderstorm WarningUNRCuster62 min
Jun 11, 7:08 PM MDTSevere Thunderstorm WarningUNRFall River37 min
Jun 11, 7:29 PM MDTSevere Thunderstorm WarningUNRFall River46 min
Jun 11, 7:44 PM MDTSevere Thunderstorm WarningUNR46 min
Jun 11, 7:50 PM MDTSevere Thunderstorm WarningUNRPerkins40 min
Jun 11, 8:20 PM MDTSevere Thunderstorm WarningUNRCuster40 min
Jun 12, 1:03 AM MDTSevere Thunderstorm WarningUNRHaakon, Pennington42 min

Nearby

Tornado Warnings in South Dakota, 1996Every tornado warning in 1996Tornadoes in 1996

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; radar from the NEXRAD Level II archive.