Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 60, NWS Aberdeen, SD

July 12, 1995Brown County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 12, 1995, 2:30 AM CDT for Brown County, South Dakota. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1995, 2:30 AM CDT (07:30 UTC)
Expired
Jul 12, 1995, 3:20 AM CDT
In force
50 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Brown County, SD

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 7.5 hours before the alert went out and 77 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 00:00Z on 1995-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4535 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 00:00Z on 1995-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
4535 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1817 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.1
Supercell composite
5.3

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 11, 9:00 PM CDTSevere Thunderstorm WarningABRStanley30 min
Jul 11, 11:00 PM CDTSevere Thunderstorm WarningABRCorson55 min
Jul 11, 11:57 PM CDTSevere Thunderstorm WarningABRCorson37 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1995Every severe thunderstorm warning in 1995

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.