Alert archive / Ohio / Mesoscale Discussions in 2004

Mesoscale Discussion 1244

June 13, 200428 counties in Indiana; 29 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2004, 12:57 PM EST for 28 counties in Indiana; 29 counties in Ohio. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 13, 2004, 12:57 PM EST (17:57 UTC)
Expired: Jun 13, 2004, 3:00 PM EST
In force: 2 hr
Issued by: the Storm Prediction Center

All 57 counties

Adams County, IN, Allen County, IN, Blackford County, IN, Boone County, IN, DeKalb County, IN, Delaware County, IN, Fayette County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jay County, IN, Kosciusko County, IN, LaGrange County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Noble County, IN, Randolph County, IN, Steuben County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Wayne County, IN, Wells County, IN, Whitley County, IN, Allen County, OH, Auglaize County, OH, Champaign County, OH, Clark County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Franklin County, OH, Fulton County, OH, Greene County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cincinnati radar (KILN), 122 km from the middle of the area, began a volume at 18:00 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 460Jun 13, 1:40 PM EST

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.0 hours before the alert went out and 123 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: 156 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 934 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 13, 1:40 PM EST	Severe Thunderstorm Watch	SPC	Adams, Allen, Benton, Blackford, Boone, Carroll and 47 more	6 hr
Jun 13, 3:03 PM EST	Mesoscale Discussion	SPC	Adams, Allen, Benton, Blackford, Boone, Carroll and 47 more	87 min
Jun 13, 4:58 PM EST	Mesoscale Discussion	SPC	Adams, Bartholomew, Blackford, Brown, Clark, Daviess and 32 more	62 min
Jun 13, 6:00 PM EST	Severe Thunderstorm Watch	SPC	Bartholomew, Dearborn, Decatur, Fayette, Franklin, Henry and 6 more	5 hr

Nearby

Mesoscale Discussions in Ohio, 2004 Mesoscale Discussions in Indiana, 2004 Every mesoscale discussion in 2004

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.