Alert archive / Kentucky / Mesoscale Discussions in 2004
Mesoscale Discussion 429
The Storm Prediction Center issued this mesoscale discussion at Apr 22, 2004, 12:49 PM CDT for 45 counties in Kentucky; 40 counties in Tennessee. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2004, 12:49 PM CDT (17:49 UTC)
- Expired
- Apr 22, 2004, 3:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 85 counties
Adair County, KY, Allen County, KY, Barren County, KY, Bath County, KY, Boyle County, KY, Breathitt County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Garrard County, KY, Green County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Taylor County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Bedford County, TN, Campbell County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hardin County, TN, Hickman County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Rutherford County, TN, Scott County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 111 km from the middle of the area, began a volume at 17:53 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 nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 5.8 hours before the alert went out and 119 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.
- Mixed-layer CAPE
- 14 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 275 m²/s²
- 0-3 km storm-relative helicity
- 392 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 9:33 AM CDT | Mesoscale Discussion | SPC | Calloway, Christian, Todd, Trigg | 117 min |
| Apr 21, 7:01 PM CDT | Mesoscale Discussion | SPC | Crockett, Dyer, Fayette, Haywood, Lake, Lauderdale and 2 more | 119 min |
| Apr 22, 2:36 PM CDT | Mesoscale Discussion | SPC | Lawrence | 114 min |
Nearby
Mesoscale Discussions in Kentucky, 2004Mesoscale Discussions in Tennessee, 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.