Alert archive / South Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 211, NWS Rapid City, SD

July 27, 2000Custer County, South Dakota

NWS Rapid City, SD issued this severe thunderstorm warning at Jul 27, 2000, 6:56 PM MDT for Custer County, South Dakota. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 27, 2000, 6:56 PM MDT (00:56 UTC)
Expired
Jul 27, 2000, 7:45 PM MDT
In force
49 min
Issued by
NWS Rapid City, SD
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Custer County, SD

The radar

The Rapid City radar (KUDX), 70 km from the middle of the area, began a volume at 00:57 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 0.9 hours before the alert went out and 63 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, Rapid City, SD at 00:00Z on 2000-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1916 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, Rapid City, SD at 00:00Z on 2000-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
1916 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
2256 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.0
Supercell composite
12.1

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
Jul 27, 7:05 PM MDTSevere Thunderstorm WarningUNR55 min
Jul 27, 7:18 PM MDTSevere Thunderstorm WarningUNRPennington42 min
Jul 27, 7:57 PM MDTSevere Thunderstorm WarningUNR48 min
Jul 27, 8:45 PM MDTSevere Thunderstorm WarningUNR45 min
Jul 27, 9:44 PM MDTSevere Thunderstorm WarningUNR46 min
Jul 27, 9:49 PM MDTSevere Thunderstorm WarningUNRButte56 min
Jul 27, 10:10 PM MDTSevere Thunderstorm WarningUNRCuster35 min
Jul 27, 10:34 PM MDTSevere Thunderstorm WarningUNRHarding41 min
Jul 27, 11:25 PM MDTSevere Thunderstorm WarningUNRJackson20 min
Jul 27, 11:25 PM MDTSevere Thunderstorm WarningUNRMeade50 min
Jul 27, 8:05 PM MDTSevere Thunderstorm WarningUNRWeston40 min
Jul 27, 8:35 PM MDTSevere Thunderstorm WarningUNRCrook55 min
Jul 27, 8:42 PM MDTSevere Thunderstorm WarningUNRWeston63 min
Jul 27, 9:26 PM MDTSevere Thunderstorm WarningUNRCrook34 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2000Every severe thunderstorm warning in 2000

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; radar from the NEXRAD Level II archive.