Alert archive / Kentucky / Mesoscale Discussions in 2003

Mesoscale Discussion 1760

July 10, 20039 counties in Indiana; 53 counties in Kentucky; 7 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2003, 12:13 PM EDT for 9 counties in Indiana; 53 counties in Kentucky; 7 counties in Ohio. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jul 10, 2003, 12:13 PM EDT (16:13 UTC)
Expired
Jul 10, 2003, 2:15 PM EDT
In force
2 hr
Issued by
the Storm Prediction Center
All 69 counties

Clark County, IN, Dearborn County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Ohio County, IN, Ripley County, IN, Scott County, IN, Switzerland County, IN, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Bullitt County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Clark County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Greenup County, KY, Hardin County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Kenton County, KY, Larue County, KY, Lee County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, Mason County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Powell County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Washington County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Hamilton County, OH, Highland County, OH, Scioto County, OH, Warren County, OH

The radar

The Jackson,KY radar (KJKL), 128 km from the middle of the area, began a volume at 16:12 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 12:00Z, 4.2 hours before the alert went out and 135 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 12:00Z on 2003-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 198 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2003-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 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
198 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

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 9, 9:04 PM EDTMesoscale DiscussionSPCBartholomew, Brown, Clay, Daviess, Fountain, Greene and 16 more56 min
Jul 9, 9:20 PM EDTSevere Thunderstorm WatchSPCBartholomew, Benton, Boone, Brown, Carroll, Clark and 36 more6 hr
Jul 9, 11:49 PM EDTMesoscale DiscussionSPCBartholomew, Brown, Clark, Clay, Daviess, Dubois and 14 more56 min
Jul 10, 12:30 PM EDTSevere Thunderstorm WatchSPCClark, Dearborn, Floyd, Franklin, Harrison, Jefferson and 5 more6 hr
Jul 10, 10:20 AM EDTMesoscale DiscussionSPCBell, Clay, Harlan, Knox, Laurel, Leslie and 3 more85 min
Jul 10, 11:23 AM EDTMesoscale DiscussionSPCAllen, Barren, Cumberland, Edmonson, Logan, Monroe and 2 more97 min
Jul 10, 2:23 PM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Bath, Bourbon and 74 more97 min
Jul 10, 3:45 PM EDTSevere Thunderstorm WatchSPCBell, Breathitt, Clay, Floyd, Harlan, Johnson and 10 more6 hr
Jul 10, 5:38 PM EDTMesoscale DiscussionSPCBell37 min

Nearby

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