Alert archive / Tennessee / Tornado Warnings in 2018

Tornado Warning 7, NWS Morristown, TN

November 6, 2018Bledsoe County, Sequatchie County, Tennessee

NWS Morristown, TN issued this tornado warning at Nov 6, 2018, 1:46 AM CST for Bledsoe County, Sequatchie County, Tennessee. It was in force for 44 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Nov 6, 2018, 1:46 AM CST (07:46 UTC)
Expired: Nov 6, 2018, 2:30 AM CST
In force: 44 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Tornado: Observed
Hail: 0.0 in

Counties Bledsoe County, TN, Sequatchie County, TN

The radar

The Northeast Alabama radar (KHTX), 89 km from the middle of the area, began a volume at 07:45 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 was reported inside it

Time	Report	Where	Remark
Nov 6, 2:00 AM CST	TSTM WND DMG	Cagle, TN	MANY LARGE TREES DOWN, SOME 60 FEET TALL AND 2 FEET IN DIAMETER ALONG WITH WIDESPREAD POWER LINES DOWN ON HIGHWAY 111 IN CAGLE MOUNTAIN. POSSIBLE TORNADO.
Nov 6, 2:00 AM CST	TSTM WND DMG	Cagle, TN	POWER LINES AND TREES DOWN NEAR INTERSECTION OF HIGHWAY 399 AND HIGHWAY 111.
Nov 6, 2:00 AM CST	TSTM WND DMG	Palio, TN	HIGHWAY 127 AND OLD 28 CLOSED WITH NUMEROUS TREES...POWER LINES... AND POLES DOWN. POSSIBLE TORNADO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 5, 10:30 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 7.8 hours before the alert went out and 132 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

706 
WFUS54 KMRX 060746
TORMRX
TNC007-153-060830-
/O.NEW.KMRX.TO.W.0007.181106T0746Z-181106T0830Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Morristown TN
146 AM CST TUE NOV 6 2018

The National Weather Service in Morristown has issued a

* Tornado Warning for...
  Northern Sequatchie County in east Tennessee...
  Western Bledsoe County in east Tennessee...

* Until 230 AM CST.
    
* At 146 AM CST, a tornado producing storm was located near
  Gruetli-Laager, or 16 miles west of Dunlap, moving northeast at 55
  mph.

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  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 storm will be near...
  Pikeville around 220 AM CST.

Other locations impacted by this tornadic thunderstorm include
Brayton, Palio, Fall Creek Falls State Park, Mount Crest, Cagle and
Old Cumberland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3555 8546 3557 8542 3570 8529 3574 8526
      3551 8513 3549 8514 3547 8512 3545 8514
      3545 8517 3544 8518 3532 8555 3534 8554
      3536 8551 3541 8549 3541 8551 3542 8551
      3543 8554 3549 8554 3553 8560
TIME...MOT...LOC 0746Z 245DEG 48KT 3542 8568 

TORNADO...OBSERVED
HAIL...0.00IN

$$

DGS

3 follow-up statements

090 
WWUS54 KMRX 060759
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
159 AM CST TUE NOV 6 2018

TNC007-153-060830-
/O.CON.KMRX.TO.W.0007.000000T0000Z-181106T0830Z/
Sequatchie TN-Bledsoe TN-
159 AM CST TUE NOV 6 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CST FOR NORTHERN
SEQUATCHIE AND WESTERN BLEDSOE COUNTIES...
        
At 159 AM CST, a confirmed tornado was located 9 miles northwest of
Dunlap, moving northeast at 55 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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 tornado will be near...
  Pikeville around 220 AM CST.

Other locations impacted by this tornadic thunderstorm include
Brayton, Palio, Fall Creek Falls State Park, Mount Crest, Cagle and
Old Cumberland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3555 8546 3557 8542 3570 8529 3574 8526
      3551 8513 3549 8514 3547 8512 3545 8514
      3545 8517 3544 8518 3532 8555 3534 8554
      3536 8551 3541 8549 3541 8551 3542 8551
      3543 8554 3549 8554 3553 8560
TIME...MOT...LOC 0759Z 247DEG 47KT 3548 8548 

TORNADO...OBSERVED
HAIL...0.00IN

$$

DGS

623 
WWUS54 KMRX 060808
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
208 AM CST TUE NOV 6 2018

TNC153-060818-
/O.CAN.KMRX.TO.W.0007.000000T0000Z-181106T0830Z/
Sequatchie TN-
208 AM CST TUE NOV 6 2018

...THE TORNADO WARNING FOR NORTHERN SEQUATCHIE 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 600 AM CST for east
Tennessee.

LAT...LON 3557 8542 3572 8526 3574 8526 3551 8513
      3549 8514 3547 8512 3545 8514 3545 8517
      3544 8518 3540 8530 3549 8540 3550 8541
      3552 8541 3553 8543 3554 8543
TIME...MOT...LOC 0808Z 247DEG 47KT 3552 8535 

$$

TNC007-060830-
/O.CON.KMRX.TO.W.0007.000000T0000Z-181106T0830Z/
Bledsoe TN-
208 AM CST TUE NOV 6 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CST FOR WESTERN
BLEDSOE COUNTY...
        
At 208 AM CST, a confirmed tornado was located 10 miles southwest of
Pikeville, moving east at 55 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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 tornado will be near...
  Pikeville around 220 AM CST.

Other locations impacted by this tornadic thunderstorm include
Brayton, Palio, Fall Creek Falls State Park, Mount Crest and Old
Cumberland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3557 8542 3572 8526 3574 8526 3551 8513
      3549 8514 3547 8512 3545 8514 3545 8517
      3544 8518 3540 8530 3549 8540 3550 8541
      3552 8541 3553 8543 3554 8543
TIME...MOT...LOC 0808Z 247DEG 47KT 3552 8535 

TORNADO...OBSERVED
HAIL...0.00IN

$$

DGS

418 
WWUS54 KMRX 060822
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
222 AM CST TUE NOV 6 2018

TNC007-060831-
/O.EXP.KMRX.TO.W.0007.000000T0000Z-181106T0830Z/
Bledsoe TN-
222 AM CST TUE NOV 6 2018

...THE TORNADO WARNING FOR WESTERN BLEDSOE COUNTY WILL EXPIRE AT 230
AM CST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 600 AM CST for east
Tennessee.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Morristown.

LAT...LON 3557 8542 3572 8526 3574 8526 3551 8513
      3549 8514 3547 8512 3545 8514 3545 8517
      3544 8518 3540 8530 3549 8540 3550 8541
      3552 8541 3553 8543 3554 8543
TIME...MOT...LOC 0821Z 245DEG 48KT 3559 8516 

$$

DGS

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 6, 2:12 AM CST	Severe Thunderstorm Warning	MRX	McMinn, Meigs, Rhea	33 min
Nov 6, 2:18 AM CST	High Wind Warning	MRX	Blount, Cocke, Sevier	6 hr
Nov 6, 2:27 AM CST	Severe Thunderstorm Warning	MRX	Hamilton, Marion, Sequatchie	48 min
Nov 6, 2:43 AM CST	Severe Thunderstorm Warning	MRX	Loudon, McMinn, Meigs, Monroe, Rhea, Roane	47 min
Nov 6, 3:00 AM CST	Severe Thunderstorm Warning	MRX	Bradley, Hamilton	45 min
Nov 6, 3:16 AM CST	Severe Thunderstorm Warning	MRX	Anderson, Blount, Knox, Loudon, Monroe, Roane	44 min
Nov 6, 3:35 AM CST	Areal Flood Advisory	MRX	Hamilton	115 min
Nov 6, 3:39 AM CST	Tornado Warning	MRX	Bradley, McMinn, Polk	36 min
Nov 6, 3:44 AM CST	Severe Thunderstorm Warning	MRX	Bradley, McMinn, Monroe, Polk	61 min
Nov 6, 3:49 AM CST	Severe Thunderstorm Warning	MRX	Claiborne, Grainger, Knox, Union	41 min
Nov 6, 3:52 AM CST	Severe Thunderstorm Warning	MRX	Blount, Hamblen, Jefferson, Knox, Sevier	38 min
Nov 6, 3:57 AM CST	Tornado Warning	MRX	McMinn, Monroe	30 min
Nov 6, 4:14 AM CST	Severe Thunderstorm Warning	MRX	Monroe, Polk	61 min
Nov 6, 4:21 AM CST	Severe Thunderstorm Warning	MRX	Cocke, Greene, Hamblen, Jefferson, Sevier	39 min
Nov 6, 4:29 AM CST	Severe Thunderstorm Warning	MRX	Grainger, Hamblen, Hancock, Hawkins	46 min
Nov 6, 4:58 AM CST	Severe Thunderstorm Warning	MRX	Carter, Greene, Sullivan, Unicoi, Washington	47 min
Nov 6, 5:10 AM CST	Special Weather Statement	MRX	Sullivan	50 min
Nov 6, 5:20 AM CST	Severe Thunderstorm Warning	MRX	Sullivan	40 min
Nov 6, 5:43 AM CST	Severe Thunderstorm Warning	MRX	Carter, Johnson	22 min

Nearby

Tornado Warnings in Tennessee, 2018 Every tornado warning in 2018 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.