Alert archive / Indiana / Mesoscale Discussions in 2003

Mesoscale Discussion 1724

July 8, 200356 counties in Indiana; 16 counties in Kentucky; 30 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jul 8, 2003, 8:37 PM EST for 56 counties in Indiana; 16 counties in Kentucky; 30 counties in Ohio. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jul 8, 2003, 8:37 PM EST (01:37 UTC)
Expired
Jul 8, 2003, 11:00 PM EST
In force
2 hr
Issued by
the Storm Prediction Center
All 102 counties

Bartholomew County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clark County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Fountain County, IN, Franklin County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Sullivan County, IN, Switzerland County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, Washington County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Trimble County, KY, Adams County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Indianapolis radar (KIND), 74 km from the middle of the area, began a volume at 01:39 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.6 hours before the alert went out and 155 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2003-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2003-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1587 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
111 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.

IssuedProductOfficeCountiesLasted
Jul 8, 10:55 PM ESTSevere Thunderstorm WatchSPCBartholomew, Boone, Brown, Clark, Clay, Daviess and 27 more5 hr
Jul 9, 2:21 AM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clay, Crawford, Daviess and 23 more114 min
Jul 9, 9:54 AM ESTMesoscale DiscussionSPCBartholomew, Benton, Boone, Brown, Carroll, Clay and 31 more96 min
Jul 9, 11:10 AM ESTSevere Thunderstorm WatchSPCBartholomew, Benton, Boone, Brown, Carroll, Cass and 33 more6 hr
Jul 9, 1:35 PM ESTMesoscale DiscussionSPCBartholomew, Benton, Boone, Brown, Carroll, Cass and 34 more55 min
Jul 9, 3:12 PM ESTMesoscale DiscussionSPCAdams, Allen, Bartholomew, Benton, Blackford, Boone and 47 more33 min
Jul 9, 3:35 PM ESTSevere Thunderstorm WatchSPCAdams, Bartholomew, Blackford, Dearborn, Decatur, Delaware and 21 more5 hr
Jul 9, 5:04 PM ESTMesoscale DiscussionSPCBenton, Fountain, Parke, Vermillion, Vigo, Warren86 min
Jul 9, 5:25 PM ESTTornado WatchSPCVermillion4 hr
Jul 9, 5:55 PM ESTSevere Thunderstorm WatchSPCBartholomew, Benton, Boone, Brown, Carroll, Clay and 26 more3 hr
Jul 9, 6:02 PM ESTMesoscale DiscussionSPCDearborn, Decatur, Fayette, Franklin, Jefferson, Jennings and 7 more88 min
Jul 9, 11:55 AM ESTMesoscale DiscussionSPCAdair, Boyle, Breathitt, Casey, Clay, Estill and 26 more3 hr
Jul 8, 7:12 PM ESTMesoscale DiscussionSPCAthens, Belmont, Gallia, Guernsey, Lawrence, Meigs and 5 more93 min

Nearby

Mesoscale Discussions in Indiana, 2003Mesoscale Discussions in Ohio, 2003Mesoscale Discussions in Kentucky, 2003Every 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.