Alert archive / South Dakota / Tornado Warnings in 1993

Tornado Warning 8, NWS Aberdeen, SD

June 12, 1993Buffalo County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 12, 1993, 8:41 PM CDT for Buffalo County, South Dakota. It was in force for 14 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1993, 8:41 PM CDT (01:41 UTC)
Expired
Jun 12, 1993, 8:55 PM CDT
In force
14 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Buffalo County, SD

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 1.7 hours before the alert went out and 294 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, Rapid City, SD at 00:00Z on 1993-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 151 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, Rapid City, SD at 00:00Z on 1993-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
151 J/kg
Mixed-layer CIN
-287 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHON 130141
TORHON
SDC017-085-130230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE HURON SD 
841 PM CDT SAT JUN 12 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF SOUTH DAKOTA
      WESTERN BUFFALO...CENTRAL AND EASTERN LYMAN

SOME OF THE COMMUNITIES INCLUDED IN THIS WARNING ARE LOWER BRULE
AND FORT  THOMPSON

AT 833 PM CDT  A TORNADO WAS REPORTED BY A WEATHER SERVICE SPOTTER
AND RADAR ALSO INDICATED A POSSIBLE TORNADO

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.

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

 MOHR

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 12, 3:40 PM CDT, 5 hours 1 minute before
SDZ003-122100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
340 PM CDT SAT JUN 12 1993

...THUNDERSTORMS DEVELOPING ALONG THE MISSOURI RIVER...

THUNDERSTORMS HAVE STARTED TO DEVELOPE ALONG AND WEST OF THE MISSOURI
RIVER ACCORDING TO CURRENT RADAR INFORMATION. THESE STORMS...SOME HAVING
HEAVY RAIN AND SMALL HAIL...ARE EXPECTED TO MOVE TO THE NORTHEAST. THESE
STORMS WILL BE A PROBLEM FOR BOATERS ON THE OAHE FROM 35 NORTH OF PIERRE
TO THE NORTH DAKOTA STATE LINE NORTH OF POLLOCK.

REMEMBER...SOME OF THESE STORMS COULD DEVELOPE RAPIDLY INTO A SEVERE
WEATHER SITUATION...SO PLEASE KEEP AN EYE TO THE SKY AND STAY TUNED TO
YOUR LOCAL RADIO OR T.V. FOR ADDITIONAL INFORMATION

STUDNICKA
Special weather statement, Jun 12, 3:43 PM CDT, 4 hours 58 minutes before
SDZ003-122100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
340 PM CDT SAT JUN 12 1993

...THUNDERSTORMS DEVELOPING ALONG THE MISSOURI RIVER...

THUNDERSTORMS HAVE STARTED TO DEVELOPE ALONG AND WEST OF THE MISSOURI
RIVER ACCORDING TO CURRENT RADAR INFORMATION. THESE STORMS...SOME HAVING
HEAVY RAIN AND SMALL HAIL...ARE EXPECTED TO MOVE TO THE NORTHEAST. THESE
STORMS WILL BE A PROBLEM FOR BOATERS ON THE OAHE FROM 35 NORTH OF PIERRE
TO THE NORTH DAKOTA STATE LINE NORTH OF POLLOCK.

REMEMBER...SOME OF THESE STORMS COULD DEVELOPE RAPIDLY INTO A SEVERE
WEATHER SITUATION...SO PLEASE KEEP AN EYE TO THE SKY AND STAY TUNED TO
YOUR LOCAL RADIO OR T.V. FOR ADDITIONAL INFORMATION

STUDNICKA
Local storm report, Jun 12, 7:30 PM CDT, 1 hour 11 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
730 PM CDT SAT JUN 12 1993

STORM DATA FOR SAT JUN 12 1993

 TIME            COUNTY..LOCATION           CHARACTER OF STORM..DAMAGE
.......................................................................

 525 PM MDT     CORSON...WAKPALA.          HAIL (PENNY SIZE) POLICE.
 638 PM CDT     CAMPBELL...3W POLLOCK.     HAIL (PENNY SIZE) SPOTTER.
 659 PM CDT     WALWORTH...3N GLENHAM.     HAIL (GOLFBALL) SPOTTER.

R.S.
Local storm report, Jun 12, 7:33 PM CDT, 1 hour 8 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
730 PM CDT SAT JUN 12 1993

STORM DATA FOR SAT JUN 12 1993

 TIME            COUNTY..LOCATION           CHARACTER OF STORM..DAMAGE
.......................................................................

 525 PM MDT     CORSON...WAKPALA.          HAIL (PENNY SIZE) POLICE.
 638 PM CDT     CAMPBELL...3W POLLOCK.     HAIL (PENNY SIZE) SPOTTER.
 659 PM CDT     WALWORTH...3N GLENHAM.     HAIL (GOLFBALL\) SPOTTER.

R.S.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:04 PM CDTSevere Thunderstorm WarningABRWalworth56 min
Jun 12, 7:12 PM CDTSevere Thunderstorm WarningABRStanley63 min
Jun 12, 7:51 PM CDTTornado WarningABRHughes, Sully54 min
Jun 12, 8:14 PM CDTTornado WarningABRHughes, Stanley61 min
Jun 12, 9:04 PM CDTSevere Thunderstorm WarningABRLyman41 min
Jun 12, 9:11 PM CDTSevere Thunderstorm WarningABRStanley49 min
Jun 12, 9:40 PM CDTSevere Thunderstorm WarningABRLyman50 min
Jun 12, 10:35 PM CDTSevere Thunderstorm WarningABRBuffalo40 min
Jun 13, 1:08 AM CDTSevere Thunderstorm WarningABRMiner52 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.