Alert archive / Kentucky / Mesoscale Discussions in 2004

Mesoscale Discussion 998

May 30, 200453 counties in Indiana; 83 counties in Kentucky; 16 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at May 30, 2004, 3:05 PM EST for 53 counties in Indiana; 83 counties in Kentucky; 16 counties in Ohio. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
May 30, 2004, 3:05 PM EST (20:05 UTC)
Expired
May 30, 2004, 5:00 PM EST
In force
115 min
Issued by
the Storm Prediction Center
All 152 counties

Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clark County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Harrison County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington 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, Martin County, IN, Monroe County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Perry County, IN, Pike County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Warrick County, IN, Washington County, IN, Wayne County, IN, Wells County, IN, Adair County, KY, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Daviess County, KY, Edmonson 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, Grayson County, KY, Green County, KY, Greenup County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Hopkins County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Johnson County, KY, Kenton County, KY, Knott County, KY, Larue County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Mason County, KY, McLean County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Washington County, KY, Wolfe County, KY, Woodford 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, Miami County, OH, Montgomery County, OH, Pike County, OH, Preble County, OH, Scioto County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 79 km from the middle of the area, began a volume at 20:08 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, 8.1 hours before the alert went out and 82 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 2004-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 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 2004-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.19395878Sfc1 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
58 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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
May 30, 7:40 AM ESTTornado WatchSPCNewton5 hr
May 30, 10:04 AM ESTMesoscale DiscussionSPCGibson, Pike, Posey, Spencer, Vanderburgh, Warrick2 hr
May 30, 11:04 AM ESTMesoscale DiscussionSPCBenton, Blackford, Boone, Carroll, Cass, Clinton and 27 more116 min
May 30, 11:50 AM ESTTornado WatchSPCAdams, Allen, Bartholomew, Benton, Blackford, Boone and 70 more7 hr
May 30, 3:55 PM ESTTornado WatchSPCAdams, Dearborn, Ohio, Switzerland, Union, Wayne5 hr
May 30, 4:25 PM ESTTornado WatchSPCJasper, Lake, Newton, Porter, White6 hr
May 30, 6:40 PM ESTTornado WatchSPCBenton, Fountain, Vermillion, Warren6 hr
May 30, 6:55 PM ESTTornado WatchSPCAdams, Allen, Bartholomew, Blackford, Boone, Brown and 75 more8 hr
May 30, 11:50 AM ESTMesoscale DiscussionSPCAnderson, Bath, Bell, Bourbon, Boyle, Bracken and 54 more115 min
May 30, 1:05 PM ESTTornado WatchSPCBallard, Fulton6 hr
May 30, 1:40 PM ESTTornado WatchSPCAdair, Anderson, Barren, Bath, Bell, Bourbon and 67 more7 hr
May 30, 3:20 PM ESTTornado WatchSPCCalloway, Fulton8 hr

Nearby

Mesoscale Discussions in Kentucky, 2004Mesoscale Discussions in Indiana, 2004Mesoscale Discussions in Ohio, 2004Every 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.