Alert archive / South Dakota / Tornado Warnings in 1996

Tornado Warning 12, NWS Aberdeen, SD

May 31, 1996Brown County, Edmunds County, McPherson County, South Dakota

NWS Aberdeen, SD issued this tornado warning at May 31, 1996, 5:08 PM CDT for Brown County, Edmunds County, McPherson County, South Dakota. It was in force for 32 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 31, 1996, 5:08 PM CDT (22:08 UTC)
Expired
May 31, 1996, 5:40 PM CDT
In force
32 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties Brown County, SD, Edmunds County, SD, McPherson County, SD

The radar

The Aberdeen radar (KABR), 43 km from the middle of the area, began a volume at 22:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
May 31, 5:12 PM CDTHail 2.75Craven, SD
May 31, 5:25 PM CDTTornado F0Aberdeen, SD
May 31, 5:30 PM CDTTornado F1Aberdeen, SD
May 31, 5:40 PM CDTTornado F0Aberdeen, SD

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.1 hours before the alert went out and 87 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 1996-05-31Temperature 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 1996-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
559 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
122 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 312207
TORABR
SDC013-045-089-312240-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
508 PM CDT FRI MAY 31 1996

THE NATIONAL WEATHER SERVICE IN ABERDEEN SD HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 540 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEAST SOUTH DAKOTA

   ...BROWN COUNTY
   ...EASTERN EDMUNDS COUNTY
   ...EASTERN MCPHERSON COUNTY
 
THE TOWNS IN THE PATH OF THE TORANDO ARE FREDRICK...ABERDEEN...
BARNARD...HECLA...ORDWAY

TWO TORNADOS WILL BE MOVING INTO BARNARD...ABERDEEN AND WARNER.

AT 458 PM...RADAR INDICATED 2 TORNADOES...ONE...20 MILES NORTHWEST
OF ABERDEEN....JUST SOUTHEAST OF LEOLA. ANOTHER WAS LOCATED 20 MILES
SOUTHWEST OF ABERDEEN...JUST SOUTH OF MINA. THESE TORNADIC
THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MPH. TAKE COVER NOW.
 
IF YOU ARE IN THE PATH OF THIS TORNADO...SEEK SHELTER IN A
BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR
ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...
PILLOWS OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.

BUCKLEW/HG

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, May 31, 3:13 PM CDT, 1 hour 55 minutes before
SDZ003>005-009-010-015>017-033>036-010215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
313 PM CDT (213 PM MDT) FRI MAY 31 1996

...TORNADO WATCH IN EFFECT UNTIL 9 PM CDT (8 PM MDT)...

IN NORTH CENTRAL SOUTH DAKOTA...THE WATCH INCLUDES THE COUNTIES OF
CAMPBELL...CORSON...DEWEY...EDMUNDS...FAULK...MCPHERSON...POTTER...
AND WALWORTH. IN CENTRAL SOUTH DAKOTA THE AFFECTED COUNTIES INCLUDE
HUGHES...HYDE...STANLEY AND SULLY.

COMMUNITIES IN THE WATCH INCLUDE TIMBER LAKE...MCINTOSH...
MOBRIDGE...PIERRE...GETTYSBURG...IPSWICH...LEOLA AND FAULKTON.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. BE ON THE ALBERT
FOR THREATENING WEATHER...AND LISTEN FOR FURTHER STATEMENTS AND
POSSIBLE WARNINGS.

MIDDLEBROOKE
Local storm report, May 31, 3:52 PM CDT, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SOUTH DAKOTA
352 PM CDT FRI MAY 31 1996

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....
@
0315 PM    S ISABEL                  SD   .88 INCH HAIL
05/31/96   DEWEY                          SPOTTER REPORT FROM
                                          SHERIFF DEPT.

BUCKLEW

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 3:02 PM CDTTornado WarningABRDewey43 min
May 31, 3:33 PM CDTSevere Thunderstorm WarningABRMcPherson47 min
May 31, 3:45 PM CDTTornado WarningABRDewey45 min
May 31, 3:57 PM CDTSevere Thunderstorm WarningABRCorson48 min
May 31, 4:01 PM CDTSevere Thunderstorm WarningABRCampbell64 min
May 31, 4:25 PM CDTSevere Thunderstorm WarningABREdmunds50 min
May 31, 4:40 PM CDTSevere Thunderstorm WarningABRBrown45 min
May 31, 4:59 PM CDTSevere Thunderstorm WarningABRMcPherson46 min
May 31, 5:40 PM CDTTornado WarningABRBrown45 min
May 31, 6:08 PM CDTSevere Thunderstorm WarningABREdmunds, McPherson32 min
May 31, 6:17 PM CDTTornado WarningABRMarshall63 min
May 31, 6:30 PM CDTSevere Thunderstorm WarningABRBrown65 min
May 31, 6:36 PM CDTTornado WarningABRBrown49 min

Nearby

Tornado Warnings in South Dakota, 1996Every tornado warning in 1996Tornadoes in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.