Alert archive / Ohio / Mesoscale Discussions in 2016

Mesoscale Discussion 1583

August 24, 2016Dearborn County, Franklin County, Union County, Indiana; 13 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Aug 24, 2016, 6:03 PM EDT for Dearborn County, Franklin County, Union County, Indiana; 13 counties in Ohio. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued: Aug 24, 2016, 6:03 PM EDT (22:03 UTC)
Expired: Aug 24, 2016, 7:00 PM EDT
In force: 57 min
Issued by: the Storm Prediction Center

Counties Dearborn County, IN, Franklin County, IN, Union County, IN, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Darke County, OH, Hamilton County, OH, Hardin County, OH, Logan County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 67 km from the middle of the area, began a volume at 22:04 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.1 hours before the alert went out and 68 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1294 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 122 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
Aug 24, 2:20 PM EDT	Mesoscale Discussion	SPC	Bartholomew, Benton, Boone, Brown, Carroll, Clay and 34 more	85 min
Aug 24, 3:10 PM EDT	Tornado Watch	SPC	Adams, Allen, Bartholomew, Blackford, Boone, Brown and 36 more	8 hr
Aug 24, 4:43 PM EDT	Mesoscale Discussion	SPC	Bartholomew, Boone, Brown, Clay, Clinton, Daviess and 37 more	92 min
Aug 24, 6:15 PM EDT	Mesoscale Discussion	SPC	Allen, Auglaize, Crawford, Defiance, Erie, Fulton and 17 more	60 min
Aug 24, 6:51 PM EDT	Tornado Watch	SPC	Hancock, Lucas, Ottawa, Sandusky, Seneca, Wood and 1 more	4 hr

Nearby

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