Alert archive / Ohio / Mesoscale Discussions in 2004

Mesoscale Discussion 1287

June 15, 20045 states

The Storm Prediction Center issued this mesoscale discussion at Jun 15, 2004, 1:22 PM EST for 5 states. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Jun 15, 2004, 1:22 PM EST (18:22 UTC)
Expired: Jun 15, 2004, 3:15 PM EST
In force: 113 min
Issued by: the Storm Prediction Center

All 120 counties

Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Clinton County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Ohio County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Vigo County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Gallatin County, KY, Greenup County, KY, Kenton County, KY, Pendleton County, KY, Adams County, OH, Athens County, OH, Auglaize County, OH, Belmont County, OH, Brown County, OH, Butler County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Columbiana County, OH, Coshocton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Greene County, OH, Guernsey County, OH, Hamilton County, OH, Hardin County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Lawrence County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Meigs County, OH, Mercer County, OH, Miami County, OH, Monroe County, OH, Montgomery County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Stark County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Warren County, OH, Washington County, OH, Allegheny County, PA, Beaver County, PA, Butler County, PA, Greene County, PA, Lawrence County, PA, Washington County, PA, Brooke County, WV, Hancock County, WV, Marshall County, WV, Mason County, WV, Ohio County, WV, Pleasants County, WV, Tyler County, WV, Wetzel County, WV, Wood County, WV

The radar

The Cincinnati radar (KILN), 77 km from the middle of the area, began a volume at 18:26 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, 6.4 hours before the alert went out and 75 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: 1183 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 837 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

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 15, 8:54 AM EST	Mesoscale Discussion	SPC	Bartholomew, Boone, Brown, Clay, Dearborn, Decatur and 29 more	2 hr
Jun 14, 7:03 PM EST	Mesoscale Discussion	SPC	Carroll, Columbiana, Guernsey, Harrison, Jefferson, Muskingum and 1 more	87 min
Jun 14, 9:13 PM EST	Mesoscale Discussion	SPC	Adams, Berks, Bradford, Carbon, Columbia, Cumberland and 23 more	62 min
Jun 15, 2:55 PM EST	Mesoscale Discussion	SPC	Adams, Berks, Bradford, Bucks, Cameron, Carbon and 37 more	95 min

Nearby

Mesoscale Discussions in Ohio, 2004 Mesoscale Discussions in Indiana, 2004 Mesoscale Discussions in West Virginia, 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.