Alert archive / Kentucky / Mesoscale Discussions in 2003

Mesoscale Discussion 768

May 5, 200310 counties in Indiana; 74 counties in Kentucky

The Storm Prediction Center issued this mesoscale discussion at May 5, 2003, 2:47 PM EST for 10 counties in Indiana; 74 counties in Kentucky. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued
May 5, 2003, 2:47 PM EST (19:47 UTC)
Expired
May 5, 2003, 4:45 PM EST
In force
118 min
Issued by
the Storm Prediction Center
All 84 counties

Crawford County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Harrison County, IN, Perry County, IN, Pike County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bourbon County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Clinton County, KY, Crittenden County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Estill County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Henderson County, KY, Hopkins County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Laurel County, KY, Lee County, KY, Lincoln County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Marion County, KY, Marshall County, KY, McCreary County, KY, McLean County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Webster County, KY, Woodford County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.8 hours before the alert went out and 130 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, Nashville Metro, TN at 12:00Z on 2003-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 616 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, Nashville Metro, TN at 12:00Z on 2003-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 575 square meters per square second.1939587897Sfc1 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
616 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
575 m²/s²
0-3 km storm-relative helicity
604 m²/s²
Significant tornado parameter
2.0
Supercell composite
12.6

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
May 4, 8:05 PM ESTMesoscale DiscussionSPCPosey85 min
May 4, 9:26 PM ESTMesoscale DiscussionSPCPosey2 hr
May 4, 10:40 PM ESTTornado WatchSPCGibson, Pike, Posey, Spencer, Vanderburgh, Warrick5 hr
May 4, 11:37 PM ESTMesoscale DiscussionSPCClark, Crawford, Dubois, Floyd, Harrison, Jefferson and 5 more23 min
May 4, 11:45 PM ESTTornado WatchSPCClark, Crawford, Floyd, Harrison, Orange, Perry and 1 more5 hr
May 5, 1:30 AM ESTMesoscale DiscussionSPCGibson, Pike, Posey, Spencer, Vanderburgh, Warrick90 min
May 5, 1:46 AM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clay, Clinton, Crawford and 34 more89 min
May 5, 2:31 AM ESTMesoscale DiscussionSPCCrawford, Floyd, Harrison89 min
May 5, 3:41 AM ESTMesoscale DiscussionSPCGibson, Posey, Spencer, Vanderburgh, Warrick34 min
May 5, 3:50 AM ESTTornado WatchSPCGibson, Posey, Spencer, Vanderburgh, Warrick6 hr
May 5, 6:32 AM ESTMesoscale DiscussionSPCGibson, Posey, Spencer, Vanderburgh, Warrick88 min
May 5, 7:35 AM ESTTornado WatchSPCHarrison, Perry5 hr
May 5, 9:19 AM ESTMesoscale DiscussionSPCGibson, Posey, Spencer, Vanderburgh, Warrick56 min
May 5, 10:12 AM ESTMesoscale DiscussionSPCHarrison, Perry93 min
May 5, 11:59 AM ESTMesoscale DiscussionSPCHarrison, Perry61 min
May 5, 12:20 PM ESTTornado WatchSPCClark, Crawford, Dubois, Floyd, Gibson, Harrison and 6 more7 hr
May 5, 4:27 PM ESTMesoscale DiscussionSPCSteuben3 hr
May 5, 4:42 PM ESTMesoscale DiscussionSPCOhio3 hr
May 5, 6:33 PM ESTMesoscale DiscussionSPCClark, Crawford, Dubois, Floyd, Gibson, Harrison and 6 more57 min
May 4, 7:34 PM ESTMesoscale DiscussionSPCBallard, Caldwell, Calloway, Carlisle, Christian, Fulton and 7 more116 min
May 5, 1:20 AM ESTTornado WatchSPCBallard, Caldwell, Calloway, Carlisle, Christian, Fulton and 7 more6 hr
May 5, 4:18 AM ESTMesoscale DiscussionSPCAllen, Ballard, Barren, Butler, Caldwell, Calloway and 19 more57 min
May 5, 4:55 AM ESTTornado WatchSPCFulton6 hr
May 5, 9:35 AM ESTTornado WatchSPCCalloway, Fulton5 hr
May 5, 11:06 AM ESTMesoscale DiscussionSPCFulton114 min
May 5, 2:13 PM ESTMesoscale DiscussionSPCFulton62 min
May 5, 2:35 PM ESTTornado WatchSPCFulton7 hr
May 5, 5:15 PM ESTTornado WatchSPCBracken, Campbell, Grant, Greenup, Kenton, Lewis and 4 more5 hr
May 5, 6:47 PM ESTMesoscale DiscussionSPCBath, Bourbon, Boyd, Bracken, Campbell, Carter and 15 more88 min

Nearby

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