Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 111, NWS Sioux Falls, SD

July 7, 1996Charles Mix County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 7, 1996, 4:41 PM CDT for Charles Mix County, South Dakota. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 7, 1996, 4:41 PM CDT (21:41 UTC)
Expired: Jul 7, 1996, 5:15 PM CDT
In force: 34 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

County Charles Mix County, SD

What was reported inside it

Time	Report	Where	Remark
Jul 7, 4:45 PM CDT	Hail 1.75	Academy, SD

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2220 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 278 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 072141
SVRFSD
SDC023-072215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
441 PM CDT SUN JUL 7 1996

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST SOUTH DAKOTA

   ...NORTHERN CHARLES MIX COUNTY
 
AT 440 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY SIOUX FALLS
DOPPLER RADAR 29 MILES SOUTHEAST OF CHAMBERLAIN OR 9 MILES NORTHWEST
OF PLATTE MOVING EAST AT 35 MPH.

THIS STORM CAN BE EXPECTED IN THE VICINITY OF...
PLATTE                   AROUND 455 PM CDT
BOVEE                    AROUND 505 PM CDT
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.

HEITKAMP

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 7, 3:50 PM CDT	Severe Thunderstorm Warning	FSD	Jerauld	35 min
Jul 7, 4:19 PM CDT	Severe Thunderstorm Warning	FSD	Sanborn	31 min
Jul 7, 4:51 PM CDT	Severe Thunderstorm Warning	FSD	Miner	34 min
Jul 7, 5:26 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	34 min
Jul 7, 5:32 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix	33 min
Jul 7, 6:07 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix	33 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1996 Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.