Alert archive / South Dakota / Mesoscale Discussions in 2003

Mesoscale Discussion 1500

June 24, 20034 counties in Minnesota; 4 counties in North Dakota; 24 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2003, 9:52 PM CDT for 4 counties in Minnesota; 4 counties in North Dakota; 24 counties in South Dakota. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued: Jun 24, 2003, 9:52 PM CDT (02:52 UTC)
Expired: Jun 24, 2003, 11:15 PM CDT
In force: 83 min
Issued by: the Storm Prediction Center

All 32 counties

Big Stone County, MN, Clay County, MN, Traverse County, MN, Wilkin County, MN, Dickey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Beadle County, SD, Brown County, SD, Buffalo County, SD, Clark County, SD, Codington County, SD, Day County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Mellette County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 76 km from the middle of the area, began a volume at 02:52 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

Aberdeen, SD (KABR), launched 00:00Z, 2.9 hours before the alert went out and 70 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 728 J/kg
Mixed-layer CIN: -202 J/kg
Mixed-layer LCL: 790 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 249 m²/s²
0-3 km storm-relative helicity: 552 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

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.

Issued	Product	Office	Counties	Lasted
Jun 24, 7:09 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Benton, Big Stone, Carlton, Carver and 31 more	66 min
Jun 24, 7:15 PM CDT	Severe Thunderstorm Watch	SPC	Big Stone, Clay, Traverse, Wilkin	6 hr
Jun 24, 8:15 PM CDT	Tornado Watch	SPC	Anoka, Benton, Brown, Carver, Chippewa, Chisago and 35 more	6 hr
Jun 24, 8:35 PM CDT	Tornado Watch	SPC	Cottonwood, Lincoln, Lyon, Murray, Nobles, Pipestone and 2 more	5 hr
Jun 24, 10:27 PM CDT	Mesoscale Discussion	SPC	Anoka, Blue Earth, Brown, Carver, Chippewa, Chisago and 31 more	93 min
Jun 24, 10:55 PM CDT	Tornado Watch	SPC	Blue Earth, Dodge, Faribault, Freeborn, Jackson, Martin and 7 more	5 hr
Jun 25, 12:37 AM CDT	Mesoscale Discussion	SPC	Fillmore, Houston, Winona	113 min
Jun 25, 11:38 AM CDT	Mesoscale Discussion	SPC	Anoka, Blue Earth, Carver, Dakota, Faribault, Freeborn and 15 more	2 hr

Nearby

Mesoscale Discussions in South Dakota, 2003 Mesoscale Discussions in Minnesota, 2003 Mesoscale Discussions in North Dakota, 2003 Every mesoscale discussion in 2003

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.