Alert archive / South Dakota / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 424

June 6, 20055 counties in North Dakota; 21 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 6, 2005, 9:00 PM CDT for 5 counties in North Dakota; 21 counties in South Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 6, 2005, 9:00 PM CDT (02:00 UTC)
Expired
Jun 7, 2005, 3:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 26 counties

Emmons County, ND, Logan County, ND, McIntosh County, ND, Morton County, ND, Sioux County, ND, Brule County, SD, Buffalo County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Gregory County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, McPherson County, SD, Mellette County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 126 km from the middle of the area, began a volume at 02:00 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.

Warnings issued inside it

9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 6, 9:50 PM CDTSevere Thunderstorm WarningABRDewey55 min
Jun 6, 10:17 PM CDTSevere Thunderstorm WarningABRDewey, Stanley, Sully43 min
Jun 6, 10:55 PM CDTSevere Thunderstorm WarningBISGrant, Sioux65 min
Jun 6, 11:06 PM CDTSevere Thunderstorm WarningBISMorton, Oliver54 min
Jun 6, 11:17 PM CDTSevere Thunderstorm WarningUNRJackson, Mellette58 min
Jun 6, 11:33 PM CDTSevere Thunderstorm WarningBISEmmons43 min
Jun 6, 11:41 PM CDTSevere Thunderstorm WarningBISBurleigh, Kidder, Logan, McIntosh, McLean, Morton and 1 more64 min
Jun 6, 11:49 PM CDTSevere Thunderstorm WarningUNRTodd27 min
Jun 7, 12:55 AM CDTTornado WarningBISLaMoure, Logan23 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.0 hours before the alert went out and 133 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 2005-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2051 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, Aberdeen, SD at 00:00Z on 2005-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
2051 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
2155 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 8:37 PM CDTMesoscale DiscussionSPCBurleigh, Emmons, McLean, Morton, Oliver, Sioux83 min
Jun 6, 10:12 PM CDTMesoscale DiscussionSPCBarnes, Benson, Burleigh, Eddy, Emmons, Foster and 15 more93 min
Jun 7, 1:46 AM CDTMesoscale DiscussionSPCBarnes, Benson, Cass, Cavalier, Dickey, Eddy and 18 more89 min
Jun 7, 4:40 PM CDTMesoscale DiscussionSPCAdams, Bowman, Burleigh, Emmons, Grant, Hettinger and 8 more65 min
Jun 7, 5:05 PM CDTTornado WatchSPCAdams, Benson, Billings, Bowman, Burleigh, Dunn and 20 more7 hr
Jun 7, 2:53 PM CDTMesoscale DiscussionSPCBennett, Butte, Custer, Dewey, Fall River, Haakon and 12 more37 min
Jun 7, 3:45 PM CDTTornado WatchSPCBennett, Custer, Fall River, Haakon, Hughes, Jackson and 7 more8 hr

Nearby

Severe Thunderstorm Watches in South Dakota, 2005Severe Thunderstorm Watches in North Dakota, 2005Every severe thunderstorm watch in 2005

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.