Alert archive / Tennessee / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 357
The Storm Prediction Center issued this severe thunderstorm watch at Jul 8, 2016, 1:34 PM EDT for 56 counties in Tennessee; 9 counties in Virginia; 12 counties in West Virginia. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2016, 1:34 PM EDT (17:34 UTC)
- Expired
- Jul 8, 2016, 9:00 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 77 counties
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, Giles 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, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Sequatchie 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, Boone County, WV, Cabell County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, McDowell County, WV, Mingo County, WV, Putnam County, WV, Raleigh County, WV, Wayne County, WV, Wyoming County, WV
The radar
The Knoxville radar (KMRX), 71 km from the middle of the area, began a volume at 17:36 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
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
39 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 2:16 PM EDT | Severe Thunderstorm Warning | RLX | Cabell, Lincoln, Mason, Putnam, Wayne | 44 min |
| Jul 8, 2:40 PM EDT | Severe Thunderstorm Warning | RLX | Logan, Mingo | 35 min |
| Jul 8, 2:53 PM EDT | Severe Thunderstorm Warning | RLX | Boone, Kanawha, Lincoln, Putnam | 25 min |
| Jul 8, 3:01 PM EDT | Severe Thunderstorm Warning | RLX | Boone, Kanawha, Logan, Mingo, Raleigh, Wyoming | 44 min |
| Jul 8, 3:28 PM EDT | Severe Thunderstorm Warning | OHX | Clay | 32 min |
| Jul 8, 3:35 PM EDT | Severe Thunderstorm Warning | RLX | Fayette, Raleigh, Wyoming | 40 min |
| Jul 8, 3:49 PM EDT | Tornado Warning | OHX | Clay, Overton | 26 min |
| Jul 8, 4:05 PM EDT | Severe Thunderstorm Warning | OHX | Clay, Fentress, Overton, Pickett | 25 min |
| Jul 8, 4:43 PM EDT | Severe Thunderstorm Warning | OHX | Cumberland, Fentress, Overton | 32 min |
| Jul 8, 4:46 PM EDT | Severe Thunderstorm Warning | OHX | Jackson, Overton, Putnam | 29 min |
| Jul 8, 4:47 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 28 min |
| Jul 8, 4:51 PM EDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne | 39 min |
| Jul 8, 4:51 PM EDT | Tornado Warning | OHX | Cumberland, Fentress | 24 min |
| Jul 8, 5:03 PM EDT | Severe Thunderstorm Warning | OHX | Jackson, Macon, Smith | 27 min |
| Jul 8, 5:10 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 35 min |
| Jul 8, 5:10 PM EDT | Severe Thunderstorm Warning | MRX | Monroe | 35 min |
| Jul 8, 5:13 PM EDT | Severe Thunderstorm Warning | MRX | Grainger, Hancock | 30 min |
| Jul 8, 5:13 PM EDT | Severe Thunderstorm Warning | OHX | Fentress, Overton | 32 min |
| Jul 8, 5:27 PM EDT | Severe Thunderstorm Warning | OHX | Jackson, Overton, Putnam | 33 min |
| Jul 8, 5:34 PM EDT | Severe Thunderstorm Warning | OHX | DeKalb, Putnam, Smith | 26 min |
| Jul 8, 5:35 PM EDT | Severe Thunderstorm Warning | OHX | Cumberland, Fentress, Overton, Putnam | 25 min |
| Jul 8, 5:43 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Knox | 32 min |
| Jul 8, 5:52 PM EDT | Severe Thunderstorm Warning | MRX | Greene, Hamblen, Hawkins, Sullivan, Washington | 53 min |
| Jul 8, 5:56 PM EDT | Severe Thunderstorm Warning | OHX | Cumberland, DeKalb, Fentress, Overton, Putnam, White | 34 min |
| Jul 8, 6:01 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Sevier | 44 min |
| Jul 8, 6:03 PM EDT | Severe Thunderstorm Warning | MRX | Morgan, Roane | 57 min |
| Jul 8, 6:07 PM EDT | Severe Thunderstorm Warning | MRX | Blount | 38 min |
| Jul 8, 6:10 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Knox | 35 min |
| Jul 8, 6:14 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Johnson, Unicoi | 61 min |
| Jul 8, 6:27 PM EDT | Severe Thunderstorm Warning | OHX | Cumberland, Putnam, White | 33 min |
| Jul 8, 6:33 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Loudon, Monroe | 27 min |
| Jul 8, 6:38 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Sevier | 52 min |
| Jul 8, 6:53 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Loudon, Monroe | 52 min |
| Jul 8, 7:21 PM EDT | Severe Thunderstorm Warning | MRX | McMinn, Monroe | 39 min |
| Jul 8, 7:36 PM EDT | Severe Thunderstorm Warning | OHX | Cannon, DeKalb, Warren | 24 min |
| Jul 8, 7:58 PM EDT | Severe Thunderstorm Warning | OHX | Cannon, Warren | 47 min |
| Jul 8, 8:07 PM EDT | Severe Thunderstorm Warning | MRX | Monroe, Polk | 38 min |
| Jul 8, 8:55 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Sequatchie | 35 min |
| Jul 8, 9:00 PM EDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson, Houston, Humphreys, Montgomery, Robertson | 30 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
Nashville Metro, TN (KBNA), launched 12:00Z, 5.6 hours before the alert went out and 258 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
- 2067 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1056 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 149 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 |
|---|---|---|---|---|
| Jul 8, 10:08 AM EDT | Mesoscale Discussion | SPC | Boone, Bracken, Bullitt, Campbell, Carroll, Franklin and 12 more | 67 min |
| Jul 8, 11:06 AM EDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 101 more | 7 hr |
| Jul 8, 1:01 PM EDT | Mesoscale Discussion | SPC | Bell, Breathitt, Clay, Floyd, Harlan, Johnson and 10 more | 59 min |
| Jul 8, 2:59 PM EDT | Mesoscale Discussion | SPC | Ballard, Calloway, Carlisle, Fulton, Graves, Hickman and 2 more | 2 hr |
| Jul 8, 3:26 PM EDT | Severe Thunderstorm Watch | SPC | Fulton, Hickman | 5 hr |
| Jul 8, 3:49 PM EDT | Mesoscale Discussion | SPC | Adair, Bell, Breathitt, Casey, Clark, Clay and 32 more | 56 min |
| Jul 8, 5:42 PM EDT | Mesoscale Discussion | SPC | Carlisle, Fulton, Graves, Hickman | 63 min |
| Jul 8, 6:06 PM EDT | Mesoscale Discussion | SPC | Breckinridge, Bullitt, Daviess, Hancock, Hardin, Henderson and 3 more | 84 min |
| Jul 8, 3:32 PM EDT | Mesoscale Discussion | SPC | Alexander, Alleghany, Ashe, Avery, Burke, Caldwell and 12 more | 88 min |
| Jul 8, 3:53 PM EDT | Severe Thunderstorm Watch | SPC | Alleghany, Ashe, Caswell, Rockingham, Stokes, Surry and 3 more | 5 hr |
| Jul 8, 5:48 PM EDT | Mesoscale Discussion | SPC | Alamance, Alexander, Buncombe, Burke, Cabarrus, Caldwell and 49 more | 57 min |
| Jul 8, 6:15 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Alexander, Anson, Avery, Beaufort, Bertie and 68 more | 6 hr |
| Jul 8, 6:48 PM EDT | Mesoscale Discussion | SPC | Alexander, Avery, Caldwell, Davie, Iredell, Watauga and 2 more | 57 min |
| Jul 8, 7:36 PM EDT | Mesoscale Discussion | SPC | Clay | 24 min |
Nearby
Severe Thunderstorm Watches in Tennessee, 2016Severe Thunderstorm Watches in West Virginia, 2016Severe Thunderstorm Watches in Virginia, 2016Every severe thunderstorm watch in 2016
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.