Alert archive / South Dakota / Tornado Warnings in 1988

Tornado Warning 5, NWS Aberdeen, SD

July 12, 1988Brown County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jul 12, 1988, 9:48 PM CDT for Brown County, South Dakota. It was in force for 27 min. 1 report 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
Jul 12, 1988, 9:48 PM CDT (02:48 UTC)
Expired
Jul 12, 1988, 10:15 PM CDT
In force
27 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.

What was reported inside it

TimeReportWhereRemark
Jul 12, 9:52 PM CDTHail 2.75Brown, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 2.8 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 8:49 PM CDTTornado WarningABRBrown26 min
Jul 12, 9:20 PM CDTTornado WarningABRBrown25 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.