Alert archive / Kentucky / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 91
The Storm Prediction Center issued this severe thunderstorm watch at Apr 4, 2003, 11:05 PM CST for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 4, 2003, 11:05 PM CST (05:05 UTC)
- Expired
- Apr 5, 2003, 4:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 127 counties
Adair County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Green County, KY, Greenup County, KY, Harrison County, KY, Hart County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox 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, Martin County, KY, Mason County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley 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, Taylor County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Athens County, OH, Belmont County, OH, Brown County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Fairfield County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Jefferson County, OH, Lawrence County, OH, Licking County, OH, Mahoning County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Stark County, OH, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clearfield County, PA, Greene County, PA, Indiana County, PA, Lawrence County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Doddridge County, WV, Hancock County, WV, Jackson County, WV, Lincoln County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wayne County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Jackson,KY radar (KJKL), 100 km from the middle of the area, began a volume at 05:05 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 |
|---|---|---|---|---|
| Apr 4, 11:26 PM CST | Severe Thunderstorm Warning | LMK | Larue | 49 min |
| Apr 4, 11:51 PM CST | Severe Thunderstorm Warning | ILN | Fairfield, Franklin, Hocking, Licking, Pickaway, Ross | 39 min |
| Apr 5, 12:40 AM CST | Severe Thunderstorm Warning | LMK | Garrard, Jessamine, Woodford | 30 min |
| Apr 5, 1:38 AM CST | Severe Thunderstorm Warning | LMK | Clinton, Russell | 37 min |
| Apr 5, 1:40 AM CST | Severe Thunderstorm Warning | RLX | Carter, Greenup | 35 min |
| Apr 5, 1:50 AM CST | Severe Thunderstorm Warning | JKL | Wayne | 40 min |
| Apr 5, 2:11 AM CST | Severe Thunderstorm Warning | JKL | Pulaski | 34 min |
| Apr 5, 2:15 AM CST | Severe Thunderstorm Warning | JKL | Laurel | 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 00:00Z, 5.1 hours before the alert went out and 112 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
- 628 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1237 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 7:07 PM CST | Mesoscale Discussion | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more | 83 min |
| Apr 4, 9:00 PM CST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Boone, Bourbon and 61 more | 90 min |
| Apr 4, 9:20 PM CST | Tornado Watch | SPC | Boone, Breckinridge, Bullitt, Butler, Caldwell, Calloway and 39 more | 5 hr |
| Apr 4, 10:38 PM CST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Boone and 74 more | 97 min |
| Apr 5, 1:34 AM CST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 62 more | 86 min |
| Apr 4, 6:01 PM CST | Mesoscale Discussion | SPC | Darke, Mercer, Preble | 59 min |
| Apr 4, 6:30 PM CST | Tornado Watch | SPC | Allen, Auglaize, Champaign, Crawford, Darke, Hardin and 9 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Kentucky, 2003Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in West Virginia, 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.