Alert archive / Indiana / Mesoscale Discussions in 2020

Mesoscale Discussion 800

June 3, 20204 states

The Storm Prediction Center issued this mesoscale discussion at Jun 3, 2020, 6:24 PM EDT for 4 states. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Jun 3, 2020, 6:24 PM EDT (22:24 UTC)
Expired: Jun 3, 2020, 9:00 PM EDT
In force: 3 hr
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

All 68 counties

Bartholomew County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Dearborn County, IN, Decatur County, IN, Fayette County, IN, Franklin County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Johnson County, IN, Marion County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Campbell County, KY, Kenton County, KY, Adams County, OH, Athens County, OH, Brown County, OH, Butler County, OH, Clermont County, OH, Clinton County, OH, Fayette County, OH, Gallia County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Meigs County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH, Washington County, OH, Barbour County, WV, Braxton County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Lewis County, WV, Mason County, WV, Pleasants County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Tucker County, WV, Upshur County, WV, Wirt County, WV, Wood County, WV

The radar

The Cincinnati radar (KILN), 30 km from the middle of the area, began a volume at 22:24 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, 10.4 hours before the alert went out and 33 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: 1518 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 182 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 3, 2:45 PM EDT	Mesoscale Discussion	SPC	Clay, Daviess, Gibson, Greene, Knox, Pike and 2 more	2 hr
Jun 3, 5:12 AM EDT	Mesoscale Discussion	SPC	Ashtabula, Geauga, Lake	2 hr
Jun 3, 3:10 PM EDT	Mesoscale Discussion	SPC	Belmont, Guernsey, Harrison, Jefferson, Monroe, Morgan and 3 more	2 hr

Nearby

Mesoscale Discussions in Indiana, 2020 Mesoscale Discussions in Ohio, 2020 Mesoscale Discussions in West Virginia, 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.