Alert archive / South Dakota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 63, NWS Aberdeen, SD

July 3, 1993Dewey County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 3, 1993, 4:42 PM MDT for Dewey County, South Dakota. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jul 3, 1993, 4:42 PM MDT (22:42 UTC)
Expired
Jul 3, 1993, 5:15 PM MDT
In force
33 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Dewey County, SD

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.7 hours before the alert went out and 180 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 12:00Z on 1993-07-03Temperature 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 12:00Z on 1993-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.19395878Sfc1 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
990 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
438 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

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 3, 10:23 AM MDTSevere Thunderstorm WarningABRGrant52 min
Jul 3, 4:35 PM MDTTornado WarningABREdmunds25 min
Jul 3, 5:26 PM MDTSevere Thunderstorm WarningABRHyde49 min
Jul 3, 5:47 PM MDTSevere Thunderstorm WarningABRHand28 min
Jul 3, 5:52 PM MDTSevere Thunderstorm WarningABRFaulk43 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1993Every severe thunderstorm warning in 1993

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.