Alert archive / Minnesota / Mesoscale Discussions in 2016

Mesoscale Discussion 884

June 12, 201622 counties in Minnesota; 8 counties in North Dakota; 10 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2016, 2:30 PM CDT for 22 counties in Minnesota; 8 counties in North Dakota; 10 counties in South Dakota. It was in force for 90 min.

The area

The outline as issued.

The facts

Issued: Jun 12, 2016, 2:30 PM CDT (19:30 UTC)
Expired: Jun 12, 2016, 4:00 PM CDT
In force: 90 min
Issued by: the Storm Prediction Center
Chance of a watch: 80%

All 40 counties

Becker County, MN, Benton County, MN, Big Stone County, MN, Chippewa County, MN, Clay County, MN, Douglas County, MN, Grant County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Meeker County, MN, Morrison County, MN, Norman County, MN, Otter Tail County, MN, Pope County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wilkin County, MN, Yellow Medicine County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, LaMoure County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Traill County, ND, Brown County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Marshall County, SD, Roberts County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 165 km from the middle of the area, began a volume at 19:33 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.

Severe Thunderstorm Watch 248Jun 12, 2:50 PM CDT

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 7.5 hours before the alert went out and 197 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: 1002 J/kg
Mixed-layer CIN: -217 J/kg
Mixed-layer LCL: 1892 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 209 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 2:50 PM CDT	Severe Thunderstorm Watch	SPC	Becker, Benton, Big Stone, Chippewa, Clay, Douglas and 21 more	7 hr
Jun 12, 5:26 PM CDT	Mesoscale Discussion	SPC	Benton, Big Stone, Brown, Carver, Chippewa, Douglas and 17 more	2 hr
Jun 11, 8:36 PM CDT	Mesoscale Discussion	SPC	Adams, Billings, Bowman, Dunn, Golden Valley, Grant and 10 more	84 min
Jun 11, 11:04 PM CDT	Mesoscale Discussion	SPC	Adams, Benson, Billings, Bottineau, Bowman, Burke and 20 more	116 min
Jun 12, 1:41 PM CDT	Mesoscale Discussion	SPC	Aurora, Brule, Buffalo, Gregory, Lyman, Tripp	3 hr

Nearby

Mesoscale Discussions in Minnesota, 2016 Mesoscale Discussions in South Dakota, 2016 Mesoscale Discussions in North Dakota, 2016 Every mesoscale discussion in 2016

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.