Alert archive / Tennessee / Tornado Warnings in 2021
Tornado Warning 3, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Apr 8, 2021, 5:51 PM EDT for Campbell County, Scott County, Tennessee. It was in force for 39 min. 1 report 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
- Apr 8, 2021, 5:51 PM EDT (21:51 UTC)
- Expired
- Apr 8, 2021, 6:30 PM EDT
- In force
- 39 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Campbell County, TN, Scott County, TN
The radar
The Knoxville radar (KMRX), 80 km from the middle of the area, began a volume at 21:52 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 |
|---|---|---|---|
| Apr 8, 6:20 PM EDT | TSTM WND DMG | 2 N Norma, TN | DAMAGE TO STRUCTURES, TREES AND POWER LINES DOWN NEAR NORMA RD AND BAKER HWY. POSSIBLE TORNADO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 9.9 hours before the alert went out and 211 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
- 55 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 626 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 354 m²/s²
- 0-3 km storm-relative helicity
- 375 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
098
WFUS54 KMRX 082151
TORMRX
TNC013-151-082230-
/O.NEW.KMRX.TO.W.0003.210408T2151Z-210408T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Morristown TN
551 PM EDT Thu Apr 8 2021
The National Weather Service in Morristown has issued a
* Tornado Warning for...
Campbell County in east Tennessee...
Central Scott County in east Tennessee...
* Until 630 PM EDT.
* At 551 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles south of Huntsville, or 11 miles north of
Wartburg, moving northeast at 40 mph.
HAZARD...Tornado and ping pong ball 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...
Jacksboro around 625 PM EDT.
La Follette around 630 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Caryville, Elk Valley, Smokey Junction, Robbins, Jellico, Cove Lake
State Park, Indian Mountain State Park, Fincastle, Royal Blue and
White Oak.
This includes Interstate 75 in Tennessee between mile markers 134 and
161.
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 3640 8393 3640 8395 3637 8395 3633 8397
3622 8452 3623 8457 3626 8457 3628 8459
3627 8461 3632 8466 3659 8416 3659 8405
TIME...MOT...LOC 2151Z 241DEG 34KT 3628 8456
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
DH1 follow-up statement
770
WWUS54 KMRX 082211
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
611 PM EDT Thu Apr 8 2021
TNC013-151-082230-
/O.CON.KMRX.TO.W.0003.000000T0000Z-210408T2230Z/
Campbell TN-Scott TN-
611 PM EDT Thu Apr 8 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR CAMPBELL
AND EAST CENTRAL SCOTT COUNTIES...
At 610 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Huntsville, or 13 miles south of Oneida, moving
northeast at 35 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Jacksboro around 635 PM EDT.
La Follette around 645 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Caryville, Jellico, Elk Valley, Cove Lake State Park, Indian Mountain
State Park, Fincastle, Royal Blue, White Oak, Norma and Slick Rock.
This includes Interstate 75 in Tennessee between mile markers 136 and
161.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3640 8393 3640 8395 3637 8395 3633 8397
3628 8444 3628 8451 3630 8453 3637 8453
3659 8416 3659 8405
TIME...MOT...LOC 2210Z 245DEG 29KT 3634 8442
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
DHThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 3:58 AM EDT | Wind Advisory | MRX | Blount, Carter, Cocke, Greene, Johnson, Monroe and 2 more | 19 hr |
| Apr 8, 4:47 PM EDT | Tornado Warning | MRX | Morgan, Scott | 43 min |
| Apr 8, 5:21 PM EDT | Severe Thunderstorm Warning | MRX | Campbell, Morgan, Scott | 39 min |
| Apr 8, 5:25 PM EDT | Tornado Warning | MRX | Campbell, Morgan, Scott | 35 min |
| Apr 8, 5:56 PM EDT | Tornado Warning | MRX | Scott | 34 min |
| Apr 8, 6:16 PM EDT | Severe Thunderstorm Warning | MRX | Campbell, Scott | 44 min |
| Apr 8, 6:22 PM EDT | Tornado Warning | MRX | Campbell, Claiborne, Scott | 53 min |
| Apr 8, 6:44 PM EDT | Tornado Warning | MRX | Campbell, Scott | 46 min |
| Apr 8, 6:50 PM EDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne | 40 min |
| Apr 8, 6:52 PM EDT | Tornado Warning | MRX | Campbell, Claiborne, Scott | 38 min |
| Apr 8, 7:24 PM EDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne | 36 min |
Nearby
Tornado Warnings in Tennessee, 2021Every tornado warning in 2021Tornadoes in 2021
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.