Alert archive / South Dakota / Tornado Warnings in 1989

Tornado Warning 2, NWS Aberdeen, SD

July 3, 1989Kingsbury County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jul 3, 1989, 11:42 PM CDT for Kingsbury County, South Dakota. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jul 3, 1989, 11:42 PM CDT (04:42 UTC)
Expired
Jul 4, 1989, 12:15 AM CDT
In force
33 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Kingsbury County, SD

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 4.7 hours before the alert went out and 93 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 1989-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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 1989-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939Sfc1 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
56 J/kg
Mixed-layer CIN
-414 J/kg
Mixed-layer LCL
2964 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHON 040442
TORHON
SDC077-040515-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE HURON SD
1142 PM CDT MON JUL 3 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1215 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE EAST CENTRAL PART OF SOUTH DAKOTA
      SOUTH CENTRAL AND SOUTHEAST KINGSBURY

SOME OF THE CITIES INCLUDED IN THIS WARNING ARE OLDHAM.

AT 1130 PM CDT RADAR INDICATED A POSSIBLE TORNADO 30 MILES EAST
SOUTHEAST OF HURON MOVING EAST AT 30 MILES AN HOUR.

IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO A BASEMENT SHELTER
IF ONE IS AVAILABLE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE
LOWEST FLOOR. ABANDON VEHICLES AND MOBILE HOMES FOR A REINFORCED
BUILDING OR A LOW AREA.

ORGISH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 8:24 PM CDTSevere Thunderstorm WarningABRSully66 min
Jul 3, 11:14 PM CDTTornado WarningABRKingsbury31 min
Jul 4, 12:24 AM CDTTornado WarningABRKingsbury36 min

Nearby

Tornado Warnings in South Dakota, 1989Every tornado warning in 1989Tornadoes in 1989

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.