Alert archive / Tennessee / Tornado Warnings in 2018
Tornado Warning 8, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Nov 6, 2018, 4:39 AM EST for Bradley County, McMinn County, Polk County, Tennessee. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Nov 6, 2018, 4:39 AM EST (09:39 UTC)
- Expired
- Nov 6, 2018, 5:15 AM EST
- In force
- 36 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Bradley County, TN, McMinn County, TN, Polk County, TN
The radar
The Northeast Alabama radar (KHTX), 120 km from the middle of the area, began a volume at 09:41 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 6, 3:15 AM EST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 9.7 hours before the alert went out and 194 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
- 711 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 521 m²/s²
- 0-3 km storm-relative helicity
- 667 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
986
WFUS54 KMRX 060939
TORMRX
TNC011-107-139-061015-
/O.NEW.KMRX.TO.W.0008.181106T0939Z-181106T1015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Morristown TN
439 AM EST TUE NOV 6 2018
The National Weather Service in Morristown has issued a
* Tornado Warning for...
Central Bradley County in east Tennessee...
Northwestern Polk County in east Tennessee...
South central McMinn County in east Tennessee...
* Until 515 AM EST.
* At 438 AM EST, a severe thunderstorm capable of producing a tornado
was located over Cleveland, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Charleston around 455 AM EST.
Benton around 500 AM EST.
Other locations impacted by this tornadic thunderstorm include
Reliance, Waterville, Calhoun, Dentville, Tasso and Hopewell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3509 8493 3522 8497 3536 8463 3515 8454
TIME...MOT...LOC 0938Z 253DEG 30KT 3518 8487
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
CDG3 follow-up statements
337
WWUS54 KMRX 060948
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
448 AM EST TUE NOV 6 2018
TNC011-107-139-061015-
/O.CON.KMRX.TO.W.0008.000000T0000Z-181106T1015Z/
Bradley TN-Polk TN-McMinn TN-
448 AM EST TUE NOV 6 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM EST FOR
NORTHEASTERN BRADLEY...NORTHWESTERN POLK AND SOUTH CENTRAL MCMINN
COUNTIES...
At 448 AM EST, a severe thunderstorm capable of producing a tornado
was located near Charleston, or near Benton, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Bradley...northwestern Polk and south central McMinn
Counties, including the following locations... Reliance, Calhoun,
Dentville and Tasso.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3516 8480 3527 8484 3536 8463 3517 8455
TIME...MOT...LOC 0948Z 252DEG 28KT 3524 8472
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
CDG152
WWUS54 KMRX 060959
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
459 AM EST TUE NOV 6 2018
TNC011-061008-
/O.CAN.KMRX.TO.W.0008.000000T0000Z-181106T1015Z/
Bradley TN-
459 AM EST TUE NOV 6 2018
...THE TORNADO WARNING FOR NORTHEASTERN BRADLEY COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 AM EST for east
Tennessee.
LAT...LON 3521 8470 3523 8470 3525 8471 3525 8470
3526 8471 3525 8473 3528 8475 3528 8472
3529 8472 3529 8475 3530 8477 3536 8463
3521 8457
TIME...MOT...LOC 0958Z 253DEG 30KT 3527 8461
$$
TNC107-139-061015-
/O.CON.KMRX.TO.W.0008.000000T0000Z-181106T1015Z/
Polk TN-McMinn TN-
459 AM EST TUE NOV 6 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM EST FOR
NORTHWESTERN POLK AND SOUTH CENTRAL MCMINN COUNTIES...
At 458 AM EST, a severe thunderstorm capable of producing a tornado
was located near Benton, moving east at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Charleston, Calhoun and Dentville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3521 8470 3523 8470 3525 8471 3525 8470
3526 8471 3525 8473 3528 8475 3528 8472
3529 8472 3529 8475 3530 8477 3536 8463
3521 8457
TIME...MOT...LOC 0958Z 253DEG 30KT 3527 8461
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
CDG009
WWUS54 KMRX 061010
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
510 AM EST TUE NOV 6 2018
TNC107-139-061020-
/O.EXP.KMRX.TO.W.0008.000000T0000Z-181106T1015Z/
Polk TN-McMinn TN-
510 AM EST TUE NOV 6 2018
...THE TORNADO WARNING FOR NORTHWESTERN POLK AND SOUTH CENTRAL MCMINN
COUNTIES WILL EXPIRE AT 515 AM EST...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 900 AM EST for east
Tennessee.
LAT...LON 3521 8470 3523 8470 3525 8471 3525 8470
3526 8471 3525 8473 3528 8475 3528 8472
3529 8472 3529 8475 3530 8477 3536 8463
3521 8457
TIME...MOT...LOC 1010Z 253DEG 30KT 3529 8451
$$
CDGThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 6, 2:46 AM EST | Tornado Warning | MRX | Bledsoe, Sequatchie | 44 min |
| Nov 6, 3:12 AM EST | Severe Thunderstorm Warning | MRX | McMinn, Meigs, Rhea | 33 min |
| Nov 6, 3:18 AM EST | High Wind Warning | MRX | Blount, Cocke, Sevier | 6 hr |
| Nov 6, 3:27 AM EST | Severe Thunderstorm Warning | MRX | Hamilton, Marion, Sequatchie | 48 min |
| Nov 6, 3:43 AM EST | Severe Thunderstorm Warning | MRX | Loudon, McMinn, Meigs, Monroe, Rhea, Roane | 47 min |
| Nov 6, 4:00 AM EST | Severe Thunderstorm Warning | MRX | Bradley, Hamilton | 45 min |
| Nov 6, 4:16 AM EST | Severe Thunderstorm Warning | MRX | Anderson, Blount, Knox, Loudon, Monroe, Roane | 44 min |
| Nov 6, 4:35 AM EST | Areal Flood Advisory | MRX | Hamilton | 115 min |
| Nov 6, 4:44 AM EST | Severe Thunderstorm Warning | MRX | Bradley, McMinn, Monroe, Polk | 61 min |
| Nov 6, 4:49 AM EST | Severe Thunderstorm Warning | MRX | Claiborne, Grainger, Knox, Union | 41 min |
| Nov 6, 4:52 AM EST | Severe Thunderstorm Warning | MRX | Blount, Hamblen, Jefferson, Knox, Sevier | 38 min |
| Nov 6, 4:57 AM EST | Tornado Warning | MRX | McMinn, Monroe | 30 min |
| Nov 6, 5:14 AM EST | Severe Thunderstorm Warning | MRX | Monroe, Polk | 61 min |
| Nov 6, 5:21 AM EST | Severe Thunderstorm Warning | MRX | Cocke, Greene, Hamblen, Jefferson, Sevier | 39 min |
| Nov 6, 5:29 AM EST | Severe Thunderstorm Warning | MRX | Grainger, Hamblen, Hancock, Hawkins | 46 min |
| Nov 6, 5:58 AM EST | Severe Thunderstorm Warning | MRX | Carter, Greene, Sullivan, Unicoi, Washington | 47 min |
| Nov 6, 6:10 AM EST | Special Weather Statement | MRX | Sullivan | 50 min |
| Nov 6, 6:20 AM EST | Severe Thunderstorm Warning | MRX | Sullivan | 40 min |
| Nov 6, 6:43 AM EST | Severe Thunderstorm Warning | MRX | Carter, Johnson | 22 min |
Nearby
Tornado Warnings in Tennessee, 2018Every tornado warning in 2018Tornadoes in 2018
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.