Alert archive / South Dakota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 48, NWS Aberdeen, SD

July 6, 1992Corson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 6, 1992, 3:11 AM MDT for Corson County, South Dakota. It was in force for 64 min. 3 reports 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 6, 1992, 3:11 AM MDT (09:11 UTC)
Expired
Jul 6, 1992, 4:15 AM MDT
In force
64 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Corson County, SD

What was reported inside it

TimeReportWhereRemark
Jul 6, 3:15 AM MDTHail 1.75Corson, SD
Jul 6, 3:35 AM MDTHail 1.5Corson, SD
Jul 6, 3:50 AM MDTHail 0.75Corson, 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 9.2 hours before the alert went out and 124 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, Bismarck Municip, ND at 00:00Z on 1992-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Bismarck Municip, ND at 00:00Z on 1992-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1849 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
166 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 Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 4:18 AM MDTSevere Thunderstorm WarningABRCorson57 min
Jul 6, 5:01 AM MDTSevere Thunderstorm WarningABRCampbell, Walworth59 min
Jul 6, 5:49 AM MDTSevere Thunderstorm WarningABREdmunds, McPherson56 min
Jul 6, 6:29 AM MDTSevere Thunderstorm WarningABREdmunds, McPherson61 min
Jul 6, 7:15 AM MDTSevere Thunderstorm WarningABRBrown, Spink30 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1992Every severe thunderstorm warning in 1992

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.