Alert archive / South Dakota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 86, NWS Aberdeen, SD

July 25, 1992Jerauld County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 25, 1992, 5:29 AM CDT for Jerauld County, South Dakota. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jul 25, 1992, 5:29 AM CDT (10:29 UTC)
Expired
Jul 25, 1992, 6:15 AM CDT
In force
46 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Jerauld County, SD

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 10.5 hours before the alert went out and 341 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 1992-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1212 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 1992-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -42 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
1212 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1179 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-42 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-2.0

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 25, 12:39 AM CDTSevere Thunderstorm WarningABRFaulk, Potter51 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; the sounding from the Mesonet's radiosonde archive.