Alert archive / Minnesota / Mesoscale Discussions in 2003

Mesoscale Discussion 1399

June 16, 200331 counties in Minnesota; Brookings County, Deuel County, Moody County, South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 16, 2003, 1:56 PM CDT for 31 counties in Minnesota; Brookings County, Deuel County, Moody County, South Dakota. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued: Jun 16, 2003, 1:56 PM CDT (18:56 UTC)
Expired: Jun 16, 2003, 3:00 PM CDT
In force: 64 min
Issued by: the Storm Prediction Center

All 34 counties

Aitkin County, MN, Benton County, MN, Big Stone County, MN, Cass County, MN, Chippewa County, MN, Crow Wing County, MN, Douglas County, MN, Hubbard County, MN, Itasca County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Murray County, MN, Otter Tail County, MN, Pipestone County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Wadena County, MN, Wright County, MN, Yellow Medicine County, MN, Brookings County, SD, Deuel County, SD, Moody County, SD

The radar

The Minneapolis radar (KMPX), 153 km from the middle of the area, began a volume at 18:57 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

Aberdeen, SD (KABR), launched 12:00Z, 6.9 hours before the alert went out and 257 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: 93 J/kg
Mixed-layer CIN: -238 J/kg
Mixed-layer LCL: 1687 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 16, 2:06 PM CDT	Mesoscale Discussion	SPC	Aurora, Brule, Charles Mix, Davison, Douglas, Gregory and 4 more	54 min

Nearby

Mesoscale Discussions in Minnesota, 2003 Mesoscale Discussions in South 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.