Alert archive / South Dakota / Tornado Warnings in 1988

Tornado Warning 3, NWS Aberdeen, SD

July 12, 1988Brown County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jul 12, 1988, 8:49 PM CDT for Brown County, South Dakota. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1988, 8:49 PM CDT (01:49 UTC)
Expired
Jul 12, 1988, 9:15 PM CDT
In force
26 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Brown 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 00:00Z, 1.8 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 1988-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2861 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 1988-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 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
2861 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1651 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
447 m²/s²
Significant tornado parameter
2.2
Supercell composite
18.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KABR 130149
TORABR
SDC013-130215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE ABERDEEN SD
849 PM CDT TUE JUL 12 1988

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE NORTHEAST PART OF SOUTH DAKOTA
      NORTHERN BROWN

SOME OF THE CITIES INCLUDED IN THIS WARNING ARE HECLA...TACOMA PARK
FREDRICK...AND COLUMBIA

AT 845 PM CDT  RADAR INDICATED A POSSIBLE TORNADO NEAR PUTNEY...20
MILES NORTHEAST OF ABERDEEN...MOVING NORTHEAST AT 5 MPH.

AT 840 PM CDT   A FUNNEL CLOUD WAS REPORTED BY THE BROWN COUNTY
SHERIFF 4 MILES NORTHEAST OF BARNARD...20 MILES NORTH OF ABERDEEN.

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. CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR
A REINFORCED BUILDING.


KEEFE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 8:03 PM CDTSevere Thunderstorm WarningABRBrown57 min
Jul 12, 9:20 PM CDTTornado WarningABRBrown25 min
Jul 12, 9:48 PM CDTTornado WarningABRBrown27 min
Jul 12, 10:16 PM CDTSevere Thunderstorm WarningABRBrown, Spink59 min
Jul 12, 10:47 PM CDTSevere Thunderstorm WarningABRClark58 min
Jul 12, 11:51 PM CDTSevere Thunderstorm WarningABRClark, Codington, Hamlin69 min

Nearby

Tornado Warnings in South Dakota, 1988Every tornado warning in 1988Tornadoes in 1988

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.