Alert archive / South Dakota / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 33, NWS Sioux Falls, SD

August 3, 1988Charles Mix County, Douglas County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 3, 1988, 3:32 PM CDT for Charles Mix County, Douglas County, South Dakota. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Aug 3, 1988, 3:32 PM CDT (20:32 UTC)
Expired
Aug 3, 1988, 4:30 PM CDT
In force
58 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Charles Mix County, SD, Douglas 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.5 hours before the alert went out and 298 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, N. Platte/Lee Bi, NE at 12:00Z on 1988-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2040 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, N. Platte/Lee Bi, NE at 12:00Z on 1988-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939Sfc1 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
2040 J/kg
Mixed-layer CIN
-225 J/kg
Mixed-layer LCL
1245 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 3:32 PM CDTSevere Thunderstorm WarningFSDGregory58 min
Aug 3, 4:29 PM CDTSevere Thunderstorm WarningFSDBon Homme, Hutchinson, Yankton61 min
Aug 3, 4:29 PM CDTSevere Thunderstorm WarningFSDCharles Mix61 min
Aug 3, 5:01 PM CDTSevere Thunderstorm WarningFSDClay, Lincoln, Turner59 min
Aug 2, 7:01 PM CDTSevere Thunderstorm WarningFSDNobles, Rock59 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1988Every severe thunderstorm warning 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.