Alert archive / South Dakota / Tornado Warnings in 1986

Tornado Warning 13, NWS Sioux Falls, SD

June 29, 1986Lincoln County, Turner County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 29, 1986, 5:37 PM CDT for Lincoln County, Turner County, South Dakota. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1986, 5:37 PM CDT (22:37 UTC)
Expired
Jun 29, 1986, 6:15 PM CDT
In force
38 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Lincoln County, SD, Turner 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 12:00Z, 10.6 hours before the alert went out and 213 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 1986-06-29Temperature 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 12:00Z on 1986-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1036 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
143 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 292237
TORFSD
SDC083-125-292315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
537 PM CDT SUN JUN 29 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTHEAST SOUTH DAKOTA...SOUTHERN LINCOLN AND SOUTHERN TURNER

SOME OF THE CITIES INCLUDED IN SOUTHEAST SOUTH DAKOTA ARE
HURLEY..DAVIS..CANTON..FAIRVIEW.

AT 530 PM CDT  A FUNNEL CLOUD WAS REPORTED JUST SOUTH OF HURLEY
SOUTH DAKOTA WHICH IS 30 MILES SOUTHWEST OF SIOUX FALLS
SOUTH DAKOTA MOVING TO THE EAST AT 25 MPH.

IF YOU ARE IN THE PATH OF THIS TORNADO...YOU SHOULD GO TO A BASE|MENT
SHELTER IF AVAILABLE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE. CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR
A REINFORCED BUILDING.

ANDERSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:32 PM CDTSevere Thunderstorm WarningFSDBon Homme, Yankton58 min
Jun 28, 9:49 PM CDTSevere Thunderstorm WarningFSDClay, Yankton56 min
Jun 28, 9:49 PM CDTSevere Thunderstorm WarningFSDBon Homme56 min
Jun 29, 3:11 PM CDTSevere Thunderstorm WarningFSDGregory34 min
Jun 29, 3:17 PM CDTSevere Thunderstorm WarningFSDHutchinson58 min
Jun 29, 4:06 PM CDTTornado WarningFSDHutchinson, Turner, Yankton39 min
Jun 29, 4:49 PM CDTTornado WarningFSDClay, Turner, Yankton56 min
Jun 29, 6:02 PM CDTSevere Thunderstorm WarningFSDBon Homme, Yankton58 min
Jun 29, 6:02 PM CDTSevere Thunderstorm WarningFSDClay58 min
Jun 29, 6:09 PM CDTSevere Thunderstorm WarningFSDUnion66 min
Jun 29, 6:17 PM CDTSevere Thunderstorm WarningFSDLincoln58 min

Nearby

Tornado Warnings in South Dakota, 1986Every tornado warning in 1986Tornadoes in 1986

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.