Alert archive / Kentucky / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 326
The Storm Prediction Center issued this severe thunderstorm watch at May 9, 2003, 7:35 PM EDT for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 9, 2003, 7:35 PM EDT (23:35 UTC)
- Expired
- May 10, 2003, 1:00 AM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Bell County, KY, Boyle County, KY, Breathitt County, KY, Casey County, KY, Clay County, KY, Clinton County, KY, Estill County, KY, Floyd County, KY, Garrard County, KY, Harlan County, KY, Jackson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lincoln County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Pickett County, TN, Buchanan County, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA, Logan County, WV, Mingo County, WV
The radar
The Jackson,KY radar (KJKL), 61 km from the middle of the area, began a volume at 23:35 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
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:47 PM EDT | Severe Thunderstorm Warning | JKL | Magoffin | 43 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, 11.6 hours before the alert went out and 240 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
- 1208 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 550 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 452 m²/s²
- 0-3 km storm-relative helicity
- 486 m²/s²
- Significant tornado parameter
- 3.9
- Supercell composite
- 19.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 8:06 PM EDT | Mesoscale Discussion | SPC | Adair, Barren, Breckinridge, Bullitt, Butler, Cumberland and 26 more | 54 min |
| May 9, 2:21 AM EDT | Mesoscale Discussion | SPC | Boone | 84 min |
| May 9, 3:02 PM EDT | Mesoscale Discussion | SPC | Anderson, Bath, Boone, Bourbon, Boyd, Bracken and 35 more | 2 hr |
| May 9, 3:40 PM EDT | Severe Thunderstorm Watch | SPC | Anderson, Bath, Boone, Bourbon, Bracken, Breckinridge and 41 more | 5 hr |
| May 9, 3:48 PM EDT | Mesoscale Discussion | SPC | Union | 117 min |
| May 9, 6:00 PM EDT | Severe Thunderstorm Watch | SPC | Boyd, Johnson, Lawrence, Martin | 5 hr |
| May 9, 6:26 PM EDT | Mesoscale Discussion | SPC | Anderson, Bath, Bourbon, Boyle, Breathitt, Bullitt and 41 more | 64 min |
| May 9, 3:53 AM EDT | Mesoscale Discussion | SPC | Carter, Cocke, Greene, Hamblen, Hancock, Hawkins and 6 more | 97 min |
| May 9, 12:53 PM EDT | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Augusta and 57 more | 3 hr |
| May 9, 2:05 PM EDT | Tornado Watch | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Augusta and 58 more | 6 hr |
| May 9, 3:55 PM EDT | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Bath and 78 more | 2 hr |
| May 9, 4:15 PM EDT | Tornado Watch | SPC | Brunswick, Greensville, Halifax, Lunenburg, Mecklenburg, Southampton and 6 more | 6 hr |
| May 9, 5:36 PM EDT | Mesoscale Discussion | SPC | Braxton, Calhoun, Gilmer, Jackson, Lewis, Pleasants and 4 more | 114 min |
Nearby
Severe Thunderstorm Watches in Kentucky, 2003Severe Thunderstorm Watches in Virginia, 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.