Alert archive / South Dakota / Tornado Warnings in 1993

Tornado Warning 1, NWS Aberdeen, SD

June 7, 1993Buffalo County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 7, 1993, 1:47 PM CDT for Buffalo County, South Dakota. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1993, 1:47 PM CDT (18:47 UTC)
Expired
Jun 7, 1993, 2:15 PM CDT
In force
28 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Buffalo County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 6.8 hours before the alert went out and 112 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 1993-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 1993-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 372 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
372 m²/s²
0-3 km storm-relative helicity
509 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHON 071847
TORHON
SDC017-071915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE HURON SD 
147 PM CDT MON JUN 7 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 215 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE CENTRAL PART OF SOUTH DAKOTA
      EASTERN BUFFALO

SOME OF THE COMMUNITIES INCLUDED IN THIS WARNING ARE GANN VALLEY.

AT 145 PM CDT   A FUNNEL CLOUD WAS REPORTED
6 SW OF GANN VALLEY BY A NATIONAL WEATHER SERVICE SPOTTER.
THE FUNNEL CLOUD WAS MOVING NORTH NORTHEAST AT 25 MILES AN HOUR.

IF YOU ARE IN THE PATH OF THIS TORNADO...YOU SHOULD GO TO A BASEMENT
SHELTER IF AVAILABLE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE. ABANDON CARS AND MOBILE HOMES IN FAVOR OF A
REINFORCED BUILDING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 3:07 AM CDTSevere Thunderstorm WarningABRJones, Lyman53 min
Jun 7, 4:00 AM CDTSevere Thunderstorm WarningABRBuffalo, Hyde, Lyman45 min
Jun 7, 4:00 AM CDTSevere Thunderstorm WarningABRHughes45 min
Jun 7, 6:09 AM CDTSevere Thunderstorm WarningABRBeadle51 min
Jun 7, 8:56 AM CDTSevere Thunderstorm WarningABRCodington49 min
Jun 7, 3:53 PM CDTTornado WarningABRBeadle37 min
Jun 7, 4:19 PM CDTTornado WarningABRBrown, Spink26 min
Jun 7, 4:25 PM CDTTornado WarningABRKingsbury35 min
Jun 7, 5:32 PM CDTSevere Thunderstorm WarningABRHamlin58 min

Nearby

Tornado Warnings in South Dakota, 1993Every tornado warning in 1993Tornadoes in 1993

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.