Alert archive / South Dakota / Tornado Warnings in 1998

Tornado Warning 32, NWS Rapid City, SD

August 26, 1998Haakon County, Jackson County, South Dakota

NWS Rapid City, SD issued this tornado warning at Aug 26, 1998, 5:32 PM MDT for Haakon County, Jackson County, South Dakota. It was in force for 33 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
Aug 26, 1998, 5:32 PM MDT (23:32 UTC)
Expired
Aug 26, 1998, 6:05 PM MDT
In force
33 min
Issued by
NWS Rapid City, SD
Area
Whole counties

Counties Haakon County, SD, Jackson County, SD

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 26, 4:30 PM MDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.5 hours before the alert went out and 316 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 1998-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 611 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 1998-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939587897117Sfc1 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
611 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
1615 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
161 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
Aug 26, 3:35 PM MDTSevere Thunderstorm WarningUNRPennington50 min
Aug 26, 3:59 PM MDTSevere Thunderstorm WarningUNRJackson36 min
Aug 26, 4:07 PM MDTSevere Thunderstorm WarningUNRHaakon63 min
Aug 26, 4:34 PM MDTSevere Thunderstorm WarningUNRMellette46 min
Aug 26, 4:48 PM MDTSevere Thunderstorm WarningUNRZiebach47 min
Aug 26, 4:54 PM MDTSevere Thunderstorm WarningUNRJackson, Pennington46 min
Aug 26, 5:08 PM MDTSevere Thunderstorm WarningUNRHaakon47 min
Aug 26, 5:23 PM MDTSevere Thunderstorm WarningUNRMellette47 min
Aug 26, 5:29 PM MDTSevere Thunderstorm WarningUNRZiebach51 min

Nearby

Tornado Warnings in South Dakota, 1998Every tornado warning in 1998Tornadoes in 1998

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.