Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 141, NWS Sioux Falls, SD

August 4, 1996Lincoln County, Minnehaha County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 4, 1996, 7:27 AM CDT for Lincoln County, Minnehaha County, South Dakota. It was in force for 33 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
Aug 4, 1996, 7:27 AM CDT (12:27 UTC)
Expired
Aug 4, 1996, 8:00 AM CDT
In force
33 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Lincoln County, SD, Minnehaha County, SD

What was reported inside it

TimeReportWhereRemark
Aug 4, 7:35 AM CDTThunderstorm Wind 52Worthing, 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, 0.5 hours before the alert went out and 205 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 1996-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1878 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 12:00Z on 1996-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
1878 J/kg
Mixed-layer CIN
-160 J/kg
Mixed-layer LCL
1136 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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.

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Aug 4, 4:22 AM CDT, 3 hours 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 6:50 AM CDTSevere Thunderstorm WarningFSDTurner30 min
Aug 4, 5:27 PM CDTSevere Thunderstorm WarningFSDAurora, Brule18 min
Aug 4, 5:31 PM CDTSevere Thunderstorm WarningFSDAurora, Brule14 min
Aug 4, 5:44 PM CDTTornado WarningFSDAurora36 min
Aug 4, 6:22 PM CDTSevere Thunderstorm WarningFSDAurora33 min
Aug 4, 5:24 PM CDTSevere Thunderstorm WarningFSDWoodbury31 min
Aug 4, 5:56 PM CDTSevere Thunderstorm WarningFSDWoodbury34 min
Aug 4, 6:29 PM CDTSevere Thunderstorm WarningFSDIda, Woodbury31 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1996Every severe thunderstorm warning 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.