Alert archive / South Dakota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 69, NWS Aberdeen, SD

July 15, 1992Brown County, McPherson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 15, 1992, 2:48 AM CDT for Brown County, McPherson County, South Dakota. It was in force for 57 min. 2 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 15, 1992, 2:48 AM CDT (07:48 UTC)
Expired
Jul 15, 1992, 3:45 AM CDT
In force
57 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties Brown County, SD, McPherson County, SD

What was reported inside it

TimeReportWhereRemark
Jul 15, 3:01 AM CDTHail 0.75Mcpherson, SD
Jul 15, 3:10 AM CDTHail 0.75Brown, 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 7.8 hours before the alert went out and 191 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 1992-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 136 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, Bismarck Municip, ND at 00:00Z on 1992-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
136 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
2250 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 15, 1:46 AM CDTSevere Thunderstorm WarningABREdmunds59 min
Jul 15, 4:25 AM CDTSevere Thunderstorm WarningABRCodington50 min
Jul 15, 4:55 AM CDTSevere Thunderstorm WarningABRDeuel, Hamlin65 min
Jul 15, 5:01 AM CDTSevere Thunderstorm WarningABRSpink59 min
Jul 15, 5:19 AM CDTSevere Thunderstorm WarningABRBeadle41 min
Jul 15, 5:55 AM CDTSevere Thunderstorm WarningABRBeadle65 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.