Alert archive / South Dakota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 113, NWS Aberdeen, SD

August 9, 1994Spink County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Aug 9, 1994, 3:50 AM CDT for Spink County, South Dakota. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Aug 9, 1994, 3:50 AM CDT (08:50 UTC)
Expired
Aug 9, 1994, 4:45 AM CDT
In force
55 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Spink County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 8.8 hours before the alert went out and 6 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 1994-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1994-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
125 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 KABR 090850 RRA
SVRABR
SDC115-090945-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE ABERDEEN SD
350 AM CDT TUE AUG 9 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 445 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHEAST PART OF SOUTH DAKOTA
      SOUTHERN SPINK

SOME OF THE CITIES INCLUDED IN THIS WARNING ARE REDFIELD...TULARE
AND FRANKFORT.

AT 350 AM CDT  RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES
SOUTHWEST OF REDFIELD MOVING EAST AT 30 MILES AN HOUR.

 GOLFBALL SIZE HAIL HAS BEEN REPORTED WITH THIS STORM.

IF YOU ARE IN THE PATH OF THIS STORM..YOU SHOULD GET TO A REINFORCED
SHELTER. A SEVERE THUNDERSTORM PRODUCES DAMAGING WINDS IN EXCESS OF
60 MPH..HAIL 3/4 INCH OR LARGER..DEADLY LIGHTNING..AND HEAVY RAIN
THAT CAN QUICKLY FLOOD A LOW LYING AREA.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR
NO ADVANCE WARNINGz SO BE ON THE LOOKOUT.

GILLESPIE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 3:33 AM CDTSevere Thunderstorm WarningABRHand27 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1994Every severe thunderstorm warning 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.