Alert archive / Tennessee / Severe Thunderstorm Watches in 2011
Severe Thunderstorm Watch 357
The Storm Prediction Center issued this severe thunderstorm watch at May 24, 2011, 12:57 PM CDT for 20 counties in Kentucky; 50 counties in Tennessee; 9 counties in Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 24, 2011, 12:57 PM CDT (17:57 UTC)
- Expired
- May 24, 2011, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 79 counties
Adair County, KY, Allen County, KY, Barren County, KY, Bell County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Harlan County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, Letcher County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Perry County, KY, Pulaski County, KY, Russell County, KY, Wayne County, KY, Whitley County, KY, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Blount County, TN, Campbell County, TN, Cannon County, TN, Carter County, TN, Claiborne County, TN, Clay County, TN, Cocke County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Fentress County, TN, Grainger County, TN, Greene County, TN, Grundy County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jackson County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Rutherford County, TN, Scott County, TN, Sevier County, TN, Smith County, TN, Sullivan County, TN, Sumner County, TN, Trousdale County, TN, Unicoi County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, Washington County, TN, White County, TN, Williamson County, TN, Wilson County, TN, Buchanan County, VA, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 141 km from the middle of the area, began a volume at 17:59 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
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
38 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 1:07 PM CDT | Tornado Warning | OHX | Jackson, Macon, Smith, Trousdale | 23 min |
| May 24, 1:23 PM CDT | Severe Thunderstorm Warning | OHX | Macon, Sumner | 26 min |
| May 24, 1:28 PM CDT | Severe Thunderstorm Warning | LMK | Clinton, Cumberland, Metcalfe, Monroe, Russell | 47 min |
| May 24, 1:31 PM CDT | Severe Thunderstorm Warning | OHX | Clay, Jackson, Macon, Smith | 29 min |
| May 24, 1:40 PM CDT | Severe Thunderstorm Warning | MRX | Hawkins, Sullivan, Washington | 28 min |
| May 24, 1:43 PM CDT | Severe Thunderstorm Warning | MRX | Hawkins, Sullivan | 17 min |
| May 24, 1:58 PM CDT | Severe Thunderstorm Warning | JKL | Wayne | 47 min |
| May 24, 2:00 PM CDT | Severe Thunderstorm Warning | OHX | Clay, Jackson, Overton | 30 min |
| May 24, 2:12 PM CDT | Severe Thunderstorm Warning | JKL | McCreary, Pulaski, Wayne | 48 min |
| May 24, 2:25 PM CDT | Severe Thunderstorm Warning | JKL | Bell, Knox, Whitley | 50 min |
| May 24, 2:27 PM CDT | Severe Thunderstorm Warning | JKL | Harlan, Letcher, Perry | 19 min |
| May 24, 2:28 PM CDT | Severe Thunderstorm Warning | MRX | Wise, City of Norton | 47 min |
| May 24, 2:30 PM CDT | Severe Thunderstorm Warning | JKL | McCreary, Wayne | 45 min |
| May 24, 2:32 PM CDT | Severe Thunderstorm Warning | OHX | Overton, Pickett | 28 min |
| May 24, 2:46 PM CDT | Severe Thunderstorm Warning | JKL | Harlan | 29 min |
| May 24, 2:53 PM CDT | Tornado Warning | MRX | Lee, Scott, Wise | 27 min |
| May 24, 2:56 PM CDT | Severe Thunderstorm Warning | OHX | Fentress, Overton, Pickett | 34 min |
| May 24, 2:57 PM CDT | Severe Thunderstorm Warning | JKL | Bell, Harlan, Knox, Leslie | 63 min |
| May 24, 3:04 PM CDT | Severe Thunderstorm Warning | JKL | Bell, Harlan, Knox, Whitley | 56 min |
| May 24, 3:19 PM CDT | Severe Thunderstorm Warning | OHX | Fentress | 26 min |
| May 24, 3:19 PM CDT | Severe Thunderstorm Warning | MRX | Russell, Scott, Wise | 19 min |
| May 24, 3:24 PM CDT | Severe Thunderstorm Warning | MRX | Morgan, Scott | 66 min |
| May 24, 3:25 PM CDT | Flash Flood Warning | RLX | Buchanan, Dickenson | 3 hr |
| May 24, 3:41 PM CDT | Tornado Warning | JKL | Harlan | 19 min |
| May 24, 3:42 PM CDT | Severe Thunderstorm Warning | MRX | Lee, Wise | 48 min |
| May 24, 3:47 PM CDT | Tornado Warning | MRX | Russell, Scott | 43 min |
| May 24, 3:54 PM CDT | Severe Thunderstorm Warning | JKL | Bell, Harlan | 23 min |
| May 24, 4:02 PM CDT | Flash Flood Warning | JKL | Bell, Clay, Harlan, Knox, Laurel, Leslie and 2 more | 6 hr |
| May 24, 4:12 PM CDT | Severe Thunderstorm Warning | MRX | Claiborne, Hancock | 63 min |
| May 24, 4:14 PM CDT | Tornado Warning | MRX | Russell, Washington | 31 min |
| May 24, 4:14 PM CDT | Tornado Warning | MRX | Scott, Wise | 34 min |
| May 24, 4:22 PM CDT | Severe Thunderstorm Warning | MRX | Lee, Scott | 53 min |
| May 24, 4:33 PM CDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Grainger, Knox, Union | 57 min |
| May 24, 4:35 PM CDT | Tornado Warning | MRX | Lee, Scott | 40 min |
| May 24, 4:44 PM CDT | Severe Thunderstorm Warning | MRX | Russell, Scott, Wise | 31 min |
| May 24, 4:59 PM CDT | Severe Thunderstorm Warning | MRX | Hancock, Hawkins, Sullivan | 61 min |
| May 24, 5:19 PM CDT | Severe Thunderstorm Warning | MRX | Russell, Scott, Washington, City of Bristol | 27 min |
| May 24, 5:33 PM CDT | Severe Thunderstorm Warning | MRX | Grainger, Hamblen, Jefferson, Knox, Sevier | 57 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 7:31 PM CDT | Severe Thunderstorm Watch | SPC | Bath, Boyd, Carter, Elliott, Fleming, Greenup and 6 more | 3 hr |
| May 23, 7:47 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Butler, Caldwell, Christian and 21 more | 58 min |
| May 24, 5:24 AM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bell, Casey, Clay and 18 more | 96 min |
| May 24, 6:01 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Barren, Bell, Breathitt, Casey and 38 more | 8 hr |
| May 24, 7:34 AM CDT | Mesoscale Discussion | SPC | Bell, Breathitt, Clay, Floyd, Harlan, Jackson and 13 more | 116 min |
| May 24, 11:55 AM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bell, Clay, Clinton and 15 more | 65 min |
| May 24, 2:33 PM CDT | Mesoscale Discussion | SPC | Harlan | 87 min |
| May 24, 3:27 PM CDT | Mesoscale Discussion | SPC | Bell, Harlan, Letcher, Whitley | 63 min |
| May 24, 6:46 PM CDT | Mesoscale Discussion | SPC | Anderson, Bledsoe, Blount, Campbell, Carter, Claiborne and 26 more | 59 min |
| May 24, 9:00 AM CDT | Severe Thunderstorm Watch | SPC | Alleghany, Amherst, Appomattox, Bath, Bedford, Bland and 31 more | 7 hr |
| May 24, 11:15 AM CDT | Mesoscale Discussion | SPC | Amelia, Amherst, Appomattox, Bedford, Botetourt, Brunswick and 41 more | 90 min |
| May 24, 11:42 AM CDT | Severe Thunderstorm Watch | SPC | Accomack, Albemarle, Amelia, Augusta, Brunswick, Caroline and 66 more | 5 hr |
| May 24, 3:43 PM CDT | Tornado Watch | SPC | Bland, Carroll, Floyd, Franklin, Giles, Grayson and 13 more | 5 hr |
| May 24, 6:33 PM CDT | Mesoscale Discussion | SPC | Bland, Carroll, Charlotte, Floyd, Franklin, Grayson and 13 more | 57 min |
Nearby
Severe Thunderstorm Watches in Tennessee, 2011Severe Thunderstorm Watches in Kentucky, 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; radar from the NEXRAD Level II archive.