Alert archive / Kentucky / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 69
The Storm Prediction Center issued this severe thunderstorm watch at Mar 20, 2003, 2:20 PM EST for 4 counties in Indiana; 54 counties in Kentucky. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 20, 2003, 2:20 PM EST (19:20 UTC)
- Expired
- Mar 20, 2003, 8:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 58 counties
Clark County, IN, Floyd County, IN, Harrison County, IN, Washington County, IN, Adair County, KY, Anderson County, KY, Barren County, KY, Bell County, KY, Bourbon County, KY, Boyle County, KY, Bullitt County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Estill County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Green County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, McCreary County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Nelson County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Woodford County, KY
The radar
The Louisville radar (KLVX), 108 km from the middle of the area, began a volume at 19:20 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.
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 2:25 PM EST | Severe Thunderstorm Warning | LMK | Boyle | 35 min |
| Mar 20, 2:44 PM EST | Severe Thunderstorm Warning | LMK | Woodford | 21 min |
| Mar 20, 3:21 PM EST | Severe Thunderstorm Warning | JKL | Bath, Montgomery | 39 min |
| Mar 20, 3:31 PM EST | Severe Thunderstorm Warning | LMK | Clark | 29 min |
| Mar 20, 3:57 PM EST | Severe Thunderstorm Warning | LMK | Hardin | 23 min |
| Mar 20, 4:50 PM EST | Severe Thunderstorm Warning | JKL | Laurel | 25 min |
| Mar 20, 5:10 PM EST | Severe Thunderstorm Warning | JKL | Laurel | 50 min |
| Mar 20, 5:30 PM EST | Severe Thunderstorm Warning | JKL | Clay | 45 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.3 hours before the alert went out and 197 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1227 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 1:23 PM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Crawford, Daviess, Dearborn and 25 more | 3 hr |
| Mar 20, 1:45 PM EST | Severe Thunderstorm Watch | SPC | Daviess, Dubois, Gibson, Knox, Perry, Pike and 4 more | 6 hr |
| Mar 20, 2:05 PM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 47 more | 6 hr |
| Mar 20, 3:41 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 58 more | 2 hr |
| Mar 19, 8:16 PM EST | Mesoscale Discussion | SPC | Bath, Bourbon, Bracken, Carter, Clark, Elliott and 20 more | 89 min |
| Mar 20, 6:43 PM EST | Mesoscale Discussion | SPC | Boyd, Carter, Elliott, Floyd, Greenup, Johnson and 3 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Kentucky, 2003Severe Thunderstorm Watches in Indiana, 2003Every severe thunderstorm watch 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.