Alert archive / Minnesota / Mesoscale Discussions in 2014

Mesoscale Discussion 1086

June 19, 2014Kossuth County, Winnebago County, Worth County, Iowa; 12 counties in Minnesota

The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2014, 2:02 PM CDT for Kossuth County, Winnebago County, Worth County, Iowa; 12 counties in Minnesota. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: Jun 19, 2014, 2:02 PM CDT (19:02 UTC)
Expired: Jun 19, 2014, 3:30 PM CDT
In force: 88 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Kossuth County, IA, Winnebago County, IA, Worth County, IA, Blue Earth County, MN, Brown County, MN, Faribault County, MN, Freeborn County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Redwood County, MN, Renville County, MN, Sibley County, MN, Waseca County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 119 km from the middle of the area, began a volume at 19:03 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

Omaha, NE (KOAX), launched 12:00Z, 7.0 hours before the alert went out and 335 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: 201 J/kg
Mixed-layer CIN: -159 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -82 m²/s²
0-3 km storm-relative helicity: -80 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -2.0

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 18, 8:47 PM CDT	Mesoscale Discussion	SPC	Dickinson, Lyon, O'Brien, Osceola, Sioux	88 min
Jun 19, 1:15 AM CDT	Mesoscale Discussion	SPC	Lyon, Plymouth, Sioux, Woodbury	90 min
Jun 19, 1:31 AM CDT	Severe Thunderstorm Watch	SPC	Lyon, O'Brien, Osceola, Plymouth, Sioux	3 hr
Jun 19, 3:15 AM CDT	Mesoscale Discussion	SPC	Lyon, Plymouth, Sioux, Woodbury	90 min
Jun 19, 1:10 PM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cass, Clay and 15 more	95 min
Jun 19, 2:40 PM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Des Moines, Dubuque, Jackson, Jones and 4 more	65 min
Jun 18, 9:42 PM CDT	Mesoscale Discussion	SPC	Blue Earth, Brown, Chippewa, Clay, Cottonwood, Douglas and 22 more	3 hr
Jun 18, 10:09 PM CDT	Tornado Watch	SPC	Big Stone, Blue Earth, Brown, Chippewa, Cottonwood, Faribault and 20 more	5 hr
Jun 19, 1:32 AM CDT	Mesoscale Discussion	SPC	Blue Earth, Brown, Carver, Chippewa, Faribault, Freeborn and 16 more	58 min

Nearby

Mesoscale Discussions in Minnesota, 2014 Mesoscale Discussions in Iowa, 2014 Every mesoscale discussion in 2014

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.