Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 1, NWS Aberdeen, SD

May 21, 1995McPherson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 21, 1995, 9:05 PM CDT for McPherson County, South Dakota. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
May 21, 1995, 9:05 PM CDT (02:05 UTC)
Expired
May 21, 1995, 10:00 PM CDT
In force
55 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County McPherson County, SD

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.1 hours before the alert went out and 116 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 1995-05-22Temperature 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, Aberdeen, SD at 00:00Z on 1995-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939587897117136156175194214233Sfc1 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
2199 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
107 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
May 21, 8:59 PM CDTTornado WarningABREdmunds, Faulk, Potter31 min
May 21, 9:26 PM CDTTornado WarningABRBrown, Edmunds34 min
May 21, 9:39 PM CDTSevere Thunderstorm WarningABRFaulk, Potter61 min
May 21, 10:01 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds, McPherson59 min
May 21, 10:57 PM CDTSevere Thunderstorm WarningABRSpink63 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.