Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 57, NWS Sioux Falls, SD

July 25, 1995Minnehaha County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 25, 1995, 3:27 PM CDT for Minnehaha County, South Dakota. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jul 25, 1995, 3:27 PM CDT (20:27 UTC)
Expired
Jul 25, 1995, 4:15 PM CDT
In force
48 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Minnehaha County, SD

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 8.5 hours before the alert went out and 187 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 1995-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 1995-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
5 J/kg
Mixed-layer CIN
-209 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
62 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 252029 RRA
SVRFSD
SDC099-252115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
327 PM CDT TUE JUL 25 1995

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST SOUTH DAKOTA

   ...CENTRAL AND EASTERN MINNEHAHA COUNTY
 
AT 325 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS
DOPPLER RADAR 11 MILES NORTH OF SIOUX FALLS  OR 1 MILE NORTH OF
CROOKS MOVING EAST AT 23 MPH.

THIS STORM CAN BE EXPECTED IN THE VICINITY OF...
RENNER                   AROUND 337 PM CDT
SIOUX FALLS              AROUND 354 PM CDT
CORSON                   AROUND 358 PM CDT
BRANDON                  AROUND 358 PM CDT
GARRETSON                AROUND 407 PM CDT
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG...REINFORCED BUILDING.  DO NOT STAND BY WINDOWS.  DO NOT USE
TEL*EPHONES UNLESS IT IS AN EMERGENCY OR ELECTRICAL APPLIANCES UNTIL
THE STORM HAS PASSED.  MOTORISTS SHOULD AVOID FLOODED ROADWAYS.

THIS STORM HAD PRODUCED 1 INCH HAIL AT CROOKS SD.
&

MED

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 2:55 PM CDTSevere Thunderstorm WarningFSDMinnehaha35 min

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.