Alert archive / Kentucky / Severe Thunderstorm Watches in 2011
Severe Thunderstorm Watch 106
The Storm Prediction Center issued this severe thunderstorm watch at Apr 8, 2011, 1:53 PM CDT for 86 counties in Kentucky; Buchanan County, Dickenson County, Virginia; 14 counties in West Virginia. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 2011, 1:53 PM CDT (18:53 UTC)
- Expired
- Apr 8, 2011, 10:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 102 counties
Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Breathitt County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Greenup County, KY, Hancock County, KY, Hardin County, KY, Harlan County, KY, Harrison County, KY, Hart County, KY, Jackson County, KY, Jefferson 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, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Logan County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Robertson 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, Warren County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Buchanan County, VA, Dickenson County, VA, Boone County, WV, Cabell County, WV, Clay County, WV, Fayette County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Nicholas County, WV, Putnam County, WV, Raleigh County, WV, Wayne County, WV, Wyoming County, WV
The radar
The Jackson,KY radar (KJKL), 108 km from the middle of the area, began a volume at 18:55 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 80%
- One or more hailstones of 2 inches or more
- 50%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
47 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 2:31 PM CDT | Severe Thunderstorm Warning | ILN | Lewis | 13 min |
| Apr 8, 2:34 PM CDT | Severe Thunderstorm Warning | RLX | Jackson, Mason, Putnam | 41 min |
| Apr 8, 2:36 PM CDT | Severe Thunderstorm Warning | RLX | Boyd, Carter, Greenup, Lawrence | 54 min |
| Apr 8, 2:42 PM CDT | Severe Thunderstorm Warning | RLX | Braxton, Calhoun, Clay, Nicholas, Roane | 48 min |
| Apr 8, 3:04 PM CDT | Severe Thunderstorm Warning | JKL | Bath, Elliott, Menifee, Morgan, Rowan | 41 min |
| Apr 8, 3:07 PM CDT | Severe Thunderstorm Warning | RLX | Braxton, Clay, Jackson, Kanawha, Nicholas, Putnam and 1 more | 68 min |
| Apr 8, 3:16 PM CDT | Severe Thunderstorm Warning | RLX | Cabell, Kanawha, Mason, Putnam | 59 min |
| Apr 8, 3:29 PM CDT | Severe Thunderstorm Warning | RLX | Boyd, Lawrence | 46 min |
| Apr 8, 3:31 PM CDT | Severe Thunderstorm Warning | RLX | Cabell, Kanawha, Lincoln, Putnam | 44 min |
| Apr 8, 3:39 PM CDT | Severe Thunderstorm Warning | JKL | Elliott, Johnson, Morgan | 36 min |
| Apr 8, 3:44 PM CDT | Severe Thunderstorm Warning | RLX | Nicholas, Pocahontas, Webster | 32 min |
| Apr 8, 4:02 PM CDT | Severe Thunderstorm Warning | JKL | Clay, Jackson, Owsley, Rockcastle | 43 min |
| Apr 8, 4:03 PM CDT | Severe Thunderstorm Warning | RLX | Clay, Fayette, Kanawha, Nicholas, Pocahontas, Webster | 57 min |
| Apr 8, 4:05 PM CDT | Severe Thunderstorm Warning | JKL | Floyd, Knott, Letcher, Pike | 55 min |
| Apr 8, 4:09 PM CDT | Severe Thunderstorm Warning | RLX | Boone, Logan, Mingo, Raleigh, Wyoming | 51 min |
| Apr 8, 4:42 PM CDT | Severe Thunderstorm Warning | JKL | Clay, Leslie | 48 min |
| Apr 8, 4:42 PM CDT | Severe Thunderstorm Warning | RLX | Raleigh | 17 min |
| Apr 8, 4:51 PM CDT | Severe Thunderstorm Warning | RLX | McDowell, Raleigh, Wyoming | 54 min |
| Apr 8, 4:56 PM CDT | Severe Thunderstorm Warning | JKL | Pike | 19 min |
| Apr 8, 4:57 PM CDT | Severe Thunderstorm Warning | RLX | Buchanan, Dickenson | 48 min |
| Apr 8, 5:01 PM CDT | Severe Thunderstorm Warning | JKL | Pike | 29 min |
| Apr 8, 5:59 PM CDT | Severe Thunderstorm Warning | JKL | Estill, Menifee, Montgomery, Powell, Wolfe | 31 min |
| Apr 8, 6:15 PM CDT | Severe Thunderstorm Warning | JKL | Magoffin, Menifee, Morgan, Wolfe | 45 min |
| Apr 8, 6:24 PM CDT | Severe Thunderstorm Warning | RLX | Boone, Lincoln, Logan, Mingo, Wayne | 51 min |
| Apr 8, 6:29 PM CDT | Severe Thunderstorm Warning | JKL | Breathitt, Estill, Magoffin, Menifee, Morgan, Powell and 1 more | 46 min |
| Apr 8, 6:54 PM CDT | Severe Thunderstorm Warning | JKL | Breathitt, Lee, Wolfe | 36 min |
| Apr 8, 6:57 PM CDT | Severe Thunderstorm Warning | JKL | Floyd, Johnson, Magoffin, Martin, Morgan, Pike | 33 min |
| Apr 8, 7:05 PM CDT | Severe Thunderstorm Warning | RLX | Logan, McDowell, Mingo, Wyoming | 55 min |
| Apr 8, 7:08 PM CDT | Severe Thunderstorm Warning | JKL | Breathitt, Knott, Magoffin, Perry, Wolfe | 25 min |
| Apr 8, 7:10 PM CDT | Severe Thunderstorm Warning | RLX | Boone, Fayette, Kanawha, Raleigh | 35 min |
| Apr 8, 7:24 PM CDT | Severe Thunderstorm Warning | RLX | Lincoln, Logan, Mingo, Wayne | 36 min |
| Apr 8, 7:31 PM CDT | Severe Thunderstorm Warning | RLX | Lawrence | 44 min |
| Apr 8, 7:47 PM CDT | Severe Thunderstorm Warning | RLX | Logan, Mingo | 25 min |
| Apr 8, 7:49 PM CDT | Severe Thunderstorm Warning | JKL | Bath, Menifee, Morgan, Rowan | 41 min |
| Apr 8, 7:49 PM CDT | Severe Thunderstorm Warning | JKL | Elliott, Johnson, Magoffin, Morgan, Rowan | 26 min |
| Apr 8, 7:54 PM CDT | Severe Thunderstorm Warning | RLX | McDowell, Wyoming | 51 min |
| Apr 8, 8:03 PM CDT | Severe Thunderstorm Warning | RLX | Logan, McDowell, Mingo, Wyoming | 42 min |
| Apr 8, 8:13 PM CDT | Severe Thunderstorm Warning | JKL | Elliott, Johnson, Magoffin, Morgan | 47 min |
| Apr 8, 8:26 PM CDT | Severe Thunderstorm Warning | JKL | Bath, Menifee, Montgomery, Morgan, Powell, Wolfe | 49 min |
| Apr 8, 8:28 PM CDT | Severe Thunderstorm Warning | JKL | Martin | 32 min |
| Apr 8, 8:45 PM CDT | Severe Thunderstorm Warning | JKL | Floyd, Johnson, Magoffin, Martin, Morgan, Pike | 45 min |
| Apr 8, 8:48 PM CDT | Severe Thunderstorm Warning | JKL | Breathitt, Magoffin, Morgan, Wolfe | 42 min |
| Apr 8, 8:55 PM CDT | Severe Thunderstorm Warning | JKL | Estill, Lee, Montgomery, Powell, Wolfe | 50 min |
| Apr 8, 8:59 PM CDT | Severe Thunderstorm Warning | JKL | Magoffin, Morgan | 31 min |
| Apr 8, 9:27 PM CDT | Severe Thunderstorm Warning | JKL | Floyd, Johnson, Knott, Magoffin, Martin, Pike | 63 min |
| Apr 8, 9:30 PM CDT | Severe Thunderstorm Warning | JKL | Breathitt, Floyd, Johnson, Knott, Magoffin, Morgan and 1 more | 45 min |
| Apr 8, 9:48 PM CDT | Severe Thunderstorm Warning | JKL | Estill, Lee, Powell, Wolfe | 42 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, 6.9 hours before the alert went out and 199 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
- 722 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 337 m²/s²
- 0-3 km storm-relative helicity
- 445 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 |
|---|---|---|---|---|
| Apr 8, 12:02 PM CDT | Mesoscale Discussion | SPC | Adair, Anderson, Barren, Bath, Boone, Bourbon and 85 more | 118 min |
| Apr 8, 3:51 PM CDT | Mesoscale Discussion | SPC | Adair, Anderson, Barren, Bell, Boyd, Boyle and 59 more | 84 min |
| Apr 8, 6:35 PM CDT | Mesoscale Discussion | SPC | Bell, Breathitt, Clay, Elliott, Estill, Floyd and 25 more | 55 min |
| Apr 8, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Bland, Carroll, Floyd, Giles, Grayson, Henry and 15 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Kentucky, 2011Severe Thunderstorm Watches in West Virginia, 2011Severe Thunderstorm Watches in Virginia, 2011Every severe thunderstorm watch in 2011
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.