Alert archive / Minnesota / Mesoscale Discussions in 2016

Mesoscale Discussion 986

June 19, 201644 counties in Minnesota

The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2016, 3:24 PM CDT for 44 counties in Minnesota. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 19, 2016, 3:24 PM CDT (20:24 UTC)
Expired: Jun 19, 2016, 5:30 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 95%

All 44 counties

Aitkin County, MN, Becker County, MN, Beltrami County, MN, Benton County, MN, Big Stone County, MN, Carlton County, MN, Cass County, MN, Chippewa County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Douglas County, MN, Grant County, MN, Hubbard County, MN, Isanti County, MN, Itasca County, MN, Kanabec County, MN, Kandiyohi County, MN, Koochiching County, MN, Lac qui Parle County, MN, Lake County, MN, Lake of the Woods County, MN, Lyon County, MN, Mahnomen County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Otter Tail County, MN, Pine County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Saint Louis County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wadena County, MN, Wilkin County, MN, Wright County, MN, Yellow Medicine County, MN

The radar

The Duluth radar (KDLH), 147 km from the middle of the area, began a volume at 20:24 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

Minneapolis, MN (KMPX), launched 12:00Z, 8.4 hours before the alert went out and 196 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: 2 J/kg
Mixed-layer CIN: -317 J/kg
Mixed-layer LCL: 1426 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 156 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 18, 10:20 PM CDT	Severe Thunderstorm Watch	SPC	Kittson, Marshall, Roseau	8 hr
Jun 19, 4:10 AM CDT	Mesoscale Discussion	SPC	Marshall, Pennington, Red Lake	95 min
Jun 19, 7:46 AM CDT	Mesoscale Discussion	SPC	Koochiching	89 min
Jun 19, 5:21 PM CDT	Severe Thunderstorm Watch	SPC	Aitkin, Benton, Carlton, Cass, Chippewa, Cook and 28 more	6 hr
Jun 19, 5:33 PM CDT	Severe Thunderstorm Watch	SPC	Big Stone, Lincoln, Lyon, Pipestone, Traverse	5 hr

Nearby

Mesoscale Discussions in Minnesota, 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.