Alert archive / Kentucky / Mesoscale Discussions in 2003

Mesoscale Discussion 1746

July 9, 200313 counties in Indiana; 29 counties in Kentucky; 18 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jul 9, 2003, 7:02 PM EDT for 13 counties in Indiana; 29 counties in Kentucky; 18 counties in Ohio. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: Jul 9, 2003, 7:02 PM EDT (23:02 UTC)
Expired: Jul 9, 2003, 8:30 PM EDT
In force: 88 min
Issued by: the Storm Prediction Center

All 60 counties

Dearborn County, IN, Decatur County, IN, Fayette County, IN, Franklin County, IN, Jefferson County, IN, Jennings County, IN, Ohio County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Elliott County, KY, Fleming County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Johnson County, KY, Kenton County, KY, Lawrence County, KY, Lewis County, KY, Mason County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Trimble County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Fayette County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Jackson County, OH, Montgomery County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 44 km from the middle of the area, began a volume at 23:02 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 watches that followed

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

Severe Thunderstorm Watch 707Jul 9, 9:20 PM EDT

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.0 hours before the alert went out and 46 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: 52 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 986 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -96 m²/s²
0-3 km storm-relative helicity: 3 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

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
Jul 8, 9:37 PM EDT	Mesoscale Discussion	SPC	Bartholomew, Benton, Blackford, Boone, Brown, Carroll and 50 more	2 hr
Jul 8, 11:55 PM EDT	Severe Thunderstorm Watch	SPC	Bartholomew, Boone, Brown, Clark, Clay, Daviess and 27 more	5 hr
Jul 9, 3:21 AM EDT	Mesoscale Discussion	SPC	Bartholomew, Boone, Brown, Clay, Crawford, Daviess and 23 more	114 min
Jul 9, 10:54 AM EDT	Mesoscale Discussion	SPC	Bartholomew, Benton, Boone, Brown, Carroll, Clay and 31 more	96 min
Jul 9, 12:10 PM EDT	Severe Thunderstorm Watch	SPC	Bartholomew, Benton, Boone, Brown, Carroll, Cass and 33 more	6 hr
Jul 9, 2:35 PM EDT	Mesoscale Discussion	SPC	Bartholomew, Benton, Boone, Brown, Carroll, Cass and 34 more	55 min
Jul 9, 4:12 PM EDT	Mesoscale Discussion	SPC	Adams, Allen, Bartholomew, Benton, Blackford, Boone and 47 more	33 min
Jul 9, 4:35 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Bartholomew, Blackford, Dearborn, Decatur, Delaware and 21 more	5 hr
Jul 9, 6:04 PM EDT	Mesoscale Discussion	SPC	Benton, Fountain, Parke, Vermillion, Vigo, Warren	86 min
Jul 9, 6:25 PM EDT	Tornado Watch	SPC	Vermillion	4 hr
Jul 9, 6:55 PM EDT	Severe Thunderstorm Watch	SPC	Bartholomew, Benton, Boone, Brown, Carroll, Clay and 26 more	3 hr
Jul 9, 12:55 PM EDT	Mesoscale Discussion	SPC	Adair, Boyle, Breathitt, Casey, Clay, Estill and 26 more	3 hr
Jul 8, 8:12 PM EDT	Mesoscale Discussion	SPC	Athens, Belmont, Gallia, Guernsey, Lawrence, Meigs and 5 more	93 min

Nearby

Mesoscale Discussions in Kentucky, 2003 Mesoscale Discussions in Ohio, 2003 Mesoscale Discussions in Indiana, 2003 Every mesoscale discussion in 2003

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.