Alert archive / South Dakota / Mesoscale Discussions in 2005

Mesoscale Discussion 1233

June 7, 2005Clay County, Traverse County, Wilkin County, Minnesota; 7 counties in North Dakota; 31 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2005, 9:18 PM CDT for Clay County, Traverse County, Wilkin County, Minnesota; 7 counties in North Dakota; 31 counties in South Dakota. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued
Jun 7, 2005, 9:18 PM CDT (02:18 UTC)
Expired
Jun 7, 2005, 10:15 PM CDT
In force
57 min
Issued by
the Storm Prediction Center
All 41 counties

Clay County, MN, Traverse County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, LaMoure County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Aurora County, SD, Beadle County, SD, Brown County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Clark County, SD, Codington County, SD, Davison County, SD, Day County, SD, Douglas County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Gregory County, SD, Hamlin County, SD, Hand County, SD, Hanson County, SD, Hutchinson County, SD, Hyde County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lyman County, SD, Marshall County, SD, McCook County, SD, Miner County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD, Tripp County, SD

The radar

The Aberdeen radar (KABR), 92 km from the middle of the area, began a volume at 02:18 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.3 hours before the alert went out and 31 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 2005-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 179 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 2005-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
179 J/kg
Mixed-layer CIN
-232 J/kg
Mixed-layer LCL
2572 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 7:43 PM CDTMesoscale DiscussionSPCDodge, Faribault, Fillmore, Freeborn, Goodhue, Mower and 6 more92 min
Jun 7, 9:50 PM CDTTornado WatchSPCBecker, Big Stone, Chippewa, Clay, Douglas, Grant and 17 more7 hr
Jun 7, 10:38 PM CDTMesoscale DiscussionSPCBlue Earth, Brown, Carver, Dakota, Dodge, Goodhue and 13 more97 min
Jun 7, 11:46 PM CDTMesoscale DiscussionSPCBig Stone, Chippewa, Douglas, Grant, Lac qui Parle, Lincoln and 9 more59 min
Jun 8, 12:39 AM CDTMesoscale DiscussionSPCBenton, Big Stone, Blue Earth, Brown, Carver, Chippewa and 34 more96 min
Jun 8, 1:05 AM CDTSevere Thunderstorm WatchSPCAnoka, Benton, Blue Earth, Brown, Carver, Chisago and 33 more6 hr
Jun 8, 3:46 AM CDTMesoscale DiscussionSPCAnoka, Blue Earth, Carlton, Carver, Chisago, Dakota and 25 more89 min
Jun 8, 3:49 PM CDTMesoscale DiscussionSPCAitkin, Becker, Beltrami, Benton, Cass, Clearwater and 19 more116 min
Jun 7, 7:14 PM CDTMesoscale DiscussionSPCEmmons, McIntosh, Sioux91 min
Jun 7, 11:50 PM CDTSevere Thunderstorm WatchSPCBon Homme, Clay, Union5 hr

Nearby

Mesoscale Discussions in South Dakota, 2005Mesoscale Discussions in North Dakota, 2005Mesoscale Discussions in Minnesota, 2005Every mesoscale discussion 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.