Alert archive / South Dakota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 13, NWS Rapid City, SD

June 11, 1990Haakon County, South Dakota

NWS Rapid City, SD issued this severe thunderstorm warning at Jun 11, 1990, 4:09 PM MDT for Haakon County, South Dakota. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Jun 11, 1990, 4:09 PM MDT (22:09 UTC)
Expired
Jun 11, 1990, 4:45 PM MDT
In force
36 min
Issued by
NWS Rapid City, SD
Area
Whole counties

County Haakon County, SD

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.2 hours before the alert went out and 283 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 1990-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1480 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 12:00Z on 1990-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
1480 J/kg
Mixed-layer CIN
-277 J/kg
Mixed-layer LCL
804 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
111 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 Rapid City, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 6:50 PM MDTSevere Thunderstorm WarningUNR40 min
Jun 11, 2:07 PM MDTSevere Thunderstorm WarningUNRPennington53 min
Jun 11, 2:58 PM MDTSevere Thunderstorm WarningUNRMeade, Pennington32 min
Jun 11, 12:45 PM MDTSevere Thunderstorm WarningUNRWeston60 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1990Every severe thunderstorm warning in 1990

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.