Alert archive / Tennessee / Tornado Warnings in 2018
Tornado Warning 4, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Jul 20, 2018, 9:31 PM CDT for Bledsoe County, Rhea County, Tennessee. It was in force for 44 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
- Jul 20, 2018, 9:31 PM CDT (02:31 UTC)
- Expired
- Jul 20, 2018, 10:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Bledsoe County, TN, Rhea County, TN
The radar
The Northeast Alabama radar (KHTX), 134 km from the middle of the area, began a volume at 02:33 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 |
|---|---|---|---|
| Jul 20, 7:02 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 2.5 hours before the alert went out and 150 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
- 3305 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1217 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 11.6
The text
As transmitted.
738
WFUS54 KMRX 210231
TORMRX
TNC007-143-210315-
/O.NEW.KMRX.TO.W.0004.180721T0231Z-180721T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Morristown TN
1031 PM EDT FRI JUL 20 2018
The National Weather Service in Morristown has issued a
* Tornado Warning for...
Northwestern Rhea County in east Tennessee...
Northeastern Bledsoe County in east Tennessee...
* Until 1115 PM EDT/1015 PM CDT/.
* At 1030 PM EDT/930 PM CDT/, a severe thunderstorm capable of
producing a tornado was located 9 miles southwest of Crossville,
moving southeast at 25 mph.
HAZARD...Tornado and quarter size hail.
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...
Spring City around 1115 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Grandview, Piney Falls State Park, Melvine and Stinging Fork Falls
State Park.
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.
&&
LAT...LON 3577 8510 3576 8507 3577 8504 3575 8503
3577 8494 3576 8492 3578 8490 3580 8485
3576 8479 3555 8505 3576 8525
TIME...MOT...LOC 0230Z 311DEG 23KT 3585 8517
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
SR1 follow-up statement
409
WWUS54 KMRX 210249
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
1049 PM EDT FRI JUL 20 2018
TNC007-143-210315-
/O.CON.KMRX.TO.W.0004.000000T0000Z-180721T0315Z/
Rhea TN-Bledsoe TN-
1049 PM EDT FRI JUL 20 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT/1015 PM CDT/
FOR NORTHWESTERN RHEA AND NORTHEASTERN BLEDSOE COUNTIES...
At 1049 PM EDT/949 PM CDT/, a severe thunderstorm capable of
producing a tornado was located 12 miles northwest of Spring City, or
12 miles south of Crossville, moving southeast at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Spring City around 1115 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Grandview, Piney Falls State Park, Melvine and Stinging Fork Falls
State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3577 8510 3576 8507 3577 8504 3575 8503
3577 8494 3576 8492 3578 8490 3580 8485
3576 8479 3555 8505 3576 8525
TIME...MOT...LOC 0249Z 311DEG 23KT 3577 8505
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
SRThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 8:02 PM CDT | Severe Thunderstorm Warning | MRX | Claiborne, Hancock | 58 min |
| Jul 20, 8:12 PM CDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne, Scott | 48 min |
| Jul 20, 8:42 PM CDT | Severe Thunderstorm Warning | MRX | Grainger, Hamblen, Hawkins | 63 min |
| Jul 20, 8:56 PM CDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Union | 49 min |
| Jul 20, 9:10 PM CDT | Severe Thunderstorm Warning | MRX | Cocke, Greene, Jefferson, Sullivan, Unicoi, Washington | 65 min |
| Jul 20, 9:17 PM CDT | Severe Thunderstorm Warning | MRX | Anderson, Blount, Knox, Sevier | 58 min |
| Jul 20, 9:44 PM CDT | Severe Thunderstorm Warning | MRX | Hamblen | 16 min |
| Jul 20, 9:48 PM CDT | Severe Thunderstorm Warning | MRX | Carter, Johnson, Unicoi | 57 min |
| Jul 20, 10:10 PM CDT | Tornado Warning | MRX | Bledsoe, Meigs, Rhea | 50 min |
| Jul 20, 10:13 PM CDT | Severe Thunderstorm Warning | MRX | Cocke, Sevier | 32 min |
| Jul 20, 10:18 PM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Rhea | 42 min |
| Jul 20, 10:42 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, McMinn, Meigs, Rhea | 48 min |
| Jul 20, 10:47 PM CDT | Areal Flood Advisory | MRX | Bledsoe, Meigs, Rhea, Roane | 3 hr |
| Jul 20, 11:02 PM CDT | Special Weather Statement | MRX | Bledsoe | 43 min |
| Jul 20, 11:11 PM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Rhea, Sequatchie | 49 min |
| Jul 20, 11:14 PM CDT | Special Weather Statement | MRX | Scott | 46 min |
| Jul 20, 11:24 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, McMinn, Meigs, Polk | 51 min |
| Jul 20, 11:55 PM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Meigs, Rhea | 50 min |
| Jul 20, 11:58 PM CDT | Areal Flood Advisory | MRX | McMinn, Meigs, Rhea | 3 hr |
| Jul 20, 11:58 PM CDT | Severe Thunderstorm Warning | MRX | Polk | 62 min |
| Jul 21, 12:16 AM CDT | Areal Flood Advisory | MRX | Bledsoe, Rhea | 3 hr |
| Jul 21, 12:21 AM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Rhea | 39 min |
| Jul 21, 12:27 AM CDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Scott | 48 min |
| Jul 21, 12:28 AM CDT | Severe Thunderstorm Warning | MRX | Bradley, McMinn | 47 min |
| Jul 21, 1:02 AM CDT | Severe Thunderstorm Warning | MRX | Bradley, Polk | 28 min |
| Jul 21, 1:11 AM CDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Morgan, Roane, Scott | 52 min |
| Jul 21, 1:16 AM CDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Grainger, Knox, Union | 59 min |
| Jul 21, 1:39 AM CDT | Areal Flood Advisory | MRX | Bradley, McMinn, Polk | 3 hr |
| Jul 21, 1:54 AM CDT | Special Weather Statement | MRX | Blount, Loudon, Roane | 66 min |
| Jul 21, 2:06 AM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Rhea | 39 min |
| Jul 21, 2:10 AM CDT | Special Weather Statement | MRX | Cocke, Grainger, Hamblen, Jefferson | 50 min |
| Jul 21, 2:30 AM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Meigs, Rhea | 45 min |
| Jul 21, 2:36 AM CDT | Areal Flood Warning | MRX | Bledsoe, Bradley, Hamilton, McMinn, Meigs, Rhea | 3 hr |
| Jul 21, 2:41 AM CDT | Severe Thunderstorm Warning | MRX | Hamilton, Marion, Sequatchie | 48 min |
| Jul 21, 2:53 AM CDT | Severe Thunderstorm Warning | MRX | McMinn, Monroe | 41 min |
| Jul 21, 3:05 AM CDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton, McMinn, Polk | 40 min |
| Jul 21, 3:33 AM CDT | Areal Flood Advisory | MRX | Bradley, Hamilton, Marion, Polk | 117 min |
| Jul 21, 5:39 AM CDT | Severe Thunderstorm Warning | MRX | Bledsoe | 36 min |
| Jul 21, 6:05 AM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Meigs, Rhea | 25 min |
| Jul 21, 6:24 AM CDT | Special Weather Statement | MRX | Bradley, Polk | 36 min |
| Jul 21, 3:06 PM CDT | Special Weather Statement | MRX | Knox | 39 min |
| Jul 21, 3:17 PM CDT | Special Weather Statement | MRX | Monroe | 43 min |
| Jul 21, 3:45 PM CDT | Special Weather Statement | MRX | Hancock, Hawkins | 60 min |
| Jul 21, 3:47 PM CDT | Special Weather Statement | MRX | Sevier | 58 min |
| Jul 21, 4:12 PM CDT | Special Weather Statement | MRX | Bradley | 63 min |
| Jul 21, 4:19 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton, McMinn, Meigs | 56 min |
| Jul 21, 4:33 PM CDT | Special Weather Statement | MRX | Monroe | 42 min |
| Jul 21, 4:44 PM CDT | Special Weather Statement | MRX | Grainger | 46 min |
| Jul 21, 4:49 PM CDT | Special Weather Statement | MRX | Bradley | 26 min |
| Jul 21, 4:53 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton | 37 min |
| Jul 21, 5:07 PM CDT | Special Weather Statement | MRX | Polk | 53 min |
| Jul 21, 5:24 PM CDT | Special Weather Statement | MRX | Monroe | 51 min |
| Jul 21, 5:26 PM CDT | Severe Thunderstorm Warning | MRX | Polk | 49 min |
| Jul 21, 6:00 PM CDT | Special Weather Statement | MRX | Blount | 30 min |
| Jul 21, 6:15 PM CDT | Severe Thunderstorm Warning | MRX | Blount, Sevier | 34 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.