Alert archive / Minnesota / Mesoscale Discussions in 2016

Mesoscale Discussion 1244

July 11, 201611 counties in Minnesota; 5 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jul 11, 2016, 3:22 AM CDT for 11 counties in Minnesota; 5 counties in Wisconsin. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued: Jul 11, 2016, 3:22 AM CDT (08:22 UTC)
Expired: Jul 11, 2016, 4:45 AM CDT
In force: 83 min
Issued by: the Storm Prediction Center

Counties Aitkin County, MN, Benton County, MN, Carlton County, MN, Chisago County, MN, Crow Wing County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Pine County, MN, Sherburne County, MN, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 100 km from the middle of the area, began a volume at 08:22 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

Minneapolis, MN (KMPX), launched 00:00Z, 8.4 hours before the alert went out and 161 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: 20 J/kg
Mixed-layer CIN: -444 J/kg
Mixed-layer LCL: 1344 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 192 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
Jul 10, 10:16 PM CDT	Mesoscale Discussion	SPC	Becker, Big Stone, Clay, Clearwater, Grant, Mahnomen and 8 more	89 min
Jul 10, 10:40 PM CDT	Severe Thunderstorm Watch	SPC	Becker, Big Stone, Clay, Grant, Mahnomen, Marshall and 7 more	6 hr
Jul 11, 1:01 AM CDT	Mesoscale Discussion	SPC	Aitkin, Becker, Beltrami, Benton, Big Stone, Cass and 27 more	89 min
Jul 11, 1:51 AM CDT	Severe Thunderstorm Watch	SPC	Aitkin, Beltrami, Benton, Cass, Clearwater, Crow Wing and 13 more	5 hr
Jul 11, 4:06 AM CDT	Mesoscale Discussion	SPC	Becker, Big Stone, Clay, Grant, Otter Tail, Traverse and 1 more	84 min
Jul 11, 3:16 PM CDT	Mesoscale Discussion	SPC	Anoka, Blue Earth, Brown, Carver, Cottonwood, Dakota and 28 more	119 min
Jul 11, 3:48 PM CDT	Severe Thunderstorm Watch	SPC	Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more	7 hr
Jul 11, 5:17 PM CDT	Mesoscale Discussion	SPC	Anoka, Benton, Chisago, Hennepin, Isanti, Kandiyohi and 5 more	58 min
Jul 11, 5:31 PM CDT	Tornado Watch	SPC	Anoka, Benton, Chisago, Isanti, Kanabec, Kandiyohi and 5 more	4 hr
Jul 11, 6:03 PM CDT	Severe Thunderstorm Watch	SPC	Pine	5 hr
Jul 11, 5:48 PM CDT	Mesoscale Discussion	SPC	Ashland, Bayfield, Douglas, Florence, Iron, Sawyer and 2 more	57 min

Nearby

Mesoscale Discussions in Minnesota, 2016 Mesoscale Discussions in Wisconsin, 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.