Alert archive / South Dakota / Tornado Warnings in 1996

Tornado Warning 34, NWS Aberdeen, SD

September 1, 1996Brown County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Sep 1, 1996, 8:14 PM CDT for Brown County, South Dakota. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 1, 1996, 8:14 PM CDT (01:14 UTC)
Expired
Sep 1, 1996, 9:00 PM CDT
In force
46 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Brown County, SD

The radar

The Aberdeen radar (KABR), 16 km from the middle of the area, began a volume at 01:18 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.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.2 hours before the alert went out and 77 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 1996-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 888 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 1996-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
888 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1683 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KABR 020113
TORABR
SDC013-020200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
814 PM CDT SUN SEP 1 1996

THE NATIONAL WEATHER SERVICE IN ABERDEEN SD HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEAST SOUTH DAKOTA

   ...NORTHERN BROWN COUNTY
 
THE COMMUNITIES MOST THREATENED BY THIS TORNADO...
BARNARD                             AROUND 825 PM CDT
FREDERICK                           AROUND 838 PM CDT

AT 811 PM CDT...A TORNADO WAS INDICATED BY ABERDEEN DOPPLER RADAR
15 MILES NORTHWEST OF ABERDEEN OR 7 MILES SOUTHWEST OF BARNARD
MOVING NORTHEAST AT 25 MPH.
 
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 WINDOWSV.

HG/DM

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, Sep 1, 5:05 PM CDT, 3 hours 9 minutes before
SDZ005>008-010-011-017>022-035>037-048-051-020400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  ABERDEEN SD
505 PM CDT SUN SEP 1 1996

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF CENTRAL AND
ALL OF NORTHEAST SOUTH DAKOTA UNTIL 11 PM CDT...

THE STORM PREDICTION CENTER IN KANSAS CITY HAS ISSUED A SEVERE
THUNDERSTORM WATCH UNTIL 11PM CDT.  THE WATCH BASICALLY STRETCHES FROM
ABOUT CHAMBERLAIN NORTHEAST TO ABERDEEN AND SISSETON.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR A FEW
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.

IF A WARNING IS ISSUED PLEASE TAKE COVER IN A STURDY BUILDING AND AWAY
FROM WINDOWS.

TDK
Local storm report, Sep 1, 6:47 PM CDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  ABERDEEN SD
648 PM CDT SUN SEP 1 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0645 PM    FREDERICK                 SD   0.75 INCH HAIL
09/01/96   BROWN

TDK
Local storm report, Sep 1, 6:51 PM CDT, 1 hour 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  ABERDEEN SD
652 PM CDT SUN SEP 1 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0645 PM    1 W FREDERICK             SD   1.75 INCH HAIL
09/01/96   BROWN

TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 8:01 PM CDTSevere Thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.