Alert archive / Ohio / Mesoscale Discussions in 2020

Mesoscale Discussion 901

June 10, 202040 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2020, 5:02 PM EDT for 40 counties in Ohio. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: Jun 10, 2020, 5:02 PM EDT (21:02 UTC)
Expired: Jun 10, 2020, 6:30 PM EDT
In force: 88 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 275...277

All 40 counties

Allen County, OH, Ashland County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Crawford County, OH, Darke County, OH, Delaware County, OH, Erie County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Highland County, OH, Huron County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Ottawa County, OH, Pickaway County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Warren County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cincinnati radar (KILN), 133 km from the middle of the area, began a volume at 21:02 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, 9.0 hours before the alert went out and 131 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: 346 J/kg
Mixed-layer CIN: -192 J/kg
Mixed-layer LCL: 774 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 205 m²/s²
0-3 km storm-relative helicity: 116 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 10, 11:22 AM EDT	Mesoscale Discussion	SPC	Defiance, Fulton, Henry, Mercer, Paulding, Putnam and 2 more	83 min
Jun 10, 11:54 AM EDT	Severe Thunderstorm Watch	SPC	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	6 hr
Jun 10, 1:58 PM EDT	Mesoscale Discussion	SPC	Adams, Allen, Ashland, Auglaize, Brown, Butler and 48 more	92 min
Jun 10, 2:48 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Ashland, Auglaize, Brown, Butler, Champaign and 46 more	6 hr
Jun 10, 6:35 PM EDT	Mesoscale Discussion	SPC	Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 32 more	85 min
Jun 10, 6:51 PM EDT	Severe Thunderstorm Watch	SPC	Ashtabula, Athens, Belmont, Carroll, Columbiana, Coshocton and 22 more	6 hr
Jun 10, 7:45 PM EDT	Mesoscale Discussion	SPC	Gallia, Lawrence	90 min

Nearby

Mesoscale Discussions in Ohio, 2020 Every mesoscale discussion in 2020

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.