Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 102, NWS Sioux Falls, SD

August 22, 1995Charles Mix County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 22, 1995, 12:30 AM CDT for Charles Mix County, South Dakota. It was in force for 20 min.

The area

The counties it named.

The facts

Issued
Aug 22, 1995, 12:30 AM CDT (05:30 UTC)
Expired
Aug 22, 1995, 12:50 AM CDT
In force
20 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Charles Mix County, SD

The radar

The Sioux Falls radar (KFSD), 156 km from the middle of the area, began a volume at 05:30 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

Aberdeen, SD (KABR), launched 00:00Z, 5.5 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 1995-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 933 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 00:00Z on 1995-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
933 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1856 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 220532 RRA
SVRFSD
SDC023-220600-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1230 AM CDT TUE AUG 22 1995
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  100 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL SOUTH DAKOTA
 
   ...CHARLES-MIX COUNTY
 
AT 12:30 AM LOCAL LAW ENFORCMENT IN LAKE ANDES REPORTED 3/4 INCH HAIL.
 
THIS HAIL WAS ASSOCIATED WITH A SEVERE THUNDERSTORM OVER LAKE ANDES.
THE STORM WAS MOVING VERY SLOWLY SOUTH AT 5 MPH.
 
PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM
WINDOWS.  DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL .THE
STORM HAS PASSED.  MOTORISTS...DON'T DRIVE INTO FLOODED CROSSINGS.
 
 
 
&

Nearby

Severe Thunderstorm Warnings in South Dakota, 1995Every severe thunderstorm warning in 1995

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.