Alert archive / Michigan / Mesoscale Discussions in 2016

Mesoscale Discussion 1023

June 22, 2016LaGrange County, Steuben County, Indiana; 11 counties in Michigan; Fulton County, Williams County, Ohio

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2016, 8:07 PM EDT for LaGrange County, Steuben County, Indiana; 11 counties in Michigan; Fulton County, Williams County, Ohio. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Jun 22, 2016, 8:07 PM EDT (00:07 UTC)
Expired: Jun 22, 2016, 10:00 PM EDT
In force: 113 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties LaGrange County, IN, Steuben County, IN, Allegan County, MI, Barry County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Hillsdale County, MI, Jackson County, MI, Kalamazoo County, MI, Lenawee County, MI, Saint Joseph County, MI, Van Buren County, MI, Fulton County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 85 km from the middle of the area, began a volume at 00:10 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

Detroit, MI (KDTX), launched 00:00Z, 0.1 hours before the alert went out and 172 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: -23 J/kg
Mixed-layer LCL: 1704 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 251 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 22, 9:53 PM EDT	Mesoscale Discussion	SPC	Adams, Allen, Benton, Blackford, Boone, Carroll and 31 more	97 min
Jun 22, 10:33 PM EDT	Tornado Watch	SPC	Adams, Allen, Bartholomew, Blackford, Boone, Carroll and 51 more	8 hr
Jun 23, 12:51 AM EDT	Mesoscale Discussion	SPC	Adams, Allen, Bartholomew, Benton, Blackford, Boone and 49 more	84 min
Jun 23, 4:36 AM EDT	Mesoscale Discussion	SPC	Dearborn, Decatur, Franklin, Johnson, Ohio, Ripley and 2 more	24 min
Jun 23, 2:26 PM EDT	Mesoscale Discussion	SPC	Scott, Switzerland	64 min
Jun 23, 3:01 PM EDT	Tornado Watch	SPC	Dearborn, Franklin, Ohio, Ripley, Switzerland	7 hr
Jun 23, 3:24 PM EDT	Severe Thunderstorm Watch	SPC	Clark, Crawford, Dubois, Floyd, Gibson, Harrison and 10 more	10 hr
Jun 23, 6:57 PM EDT	Mesoscale Discussion	SPC	Ohio	93 min
Jun 23, 7:58 PM EDT	Mesoscale Discussion	SPC	Clark, Crawford, Dubois, Floyd, Gibson, Harrison and 10 more	2 hr
Jun 23, 2:51 AM EDT	Mesoscale Discussion	SPC	Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 1 more	54 min
Jun 23, 3:42 AM EDT	Severe Thunderstorm Watch	SPC	Athens, Gallia, Jackson, Lawrence, Meigs, Vinton and 1 more	4 hr

Nearby

Mesoscale Discussions in Michigan, 2016 Mesoscale Discussions in Indiana, 2016 Mesoscale Discussions in Ohio, 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.