Alert archive / Tennessee / Tornado Warnings in 2021
Tornado Warning 1, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Apr 8, 2021, 4:47 PM EDT for Morgan County, Scott County, Tennessee. It was in force for 43 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
- Apr 8, 2021, 4:47 PM EDT (20:47 UTC)
- Expired
- Apr 8, 2021, 5:30 PM EDT
- In force
- 43 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
Counties Morgan County, TN, Scott County, TN
The radar
The Knoxville radar (KMRX), 121 km from the middle of the area, began a volume at 20:47 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, 5:30 PM EDT | TSTM WND DMG | Sunbright, TN | TREES DOWN. POSSIBLE TORNADO. |
| Apr 8, 5:30 PM EDT | TORNADO | 2 W Elgin, TN | 911 CENTER REPORTED A BRIEF TORNADO TOUCHDOWN IN THE NYDECK AREA. NO REPORTS OF DAMAGE AT THIS TIME. |
| Apr 8, 5:40 PM EDT | HAIL 1.25 | Sunbright, TN | QUARTER TO HALF DOLLAR SIZED HAIL REPORTED. |
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, 8.8 hours before the alert went out and 168 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.
936
WFUS54 KMRX 082047
TORMRX
TNC129-151-082130-
/O.NEW.KMRX.TO.W.0001.210408T2047Z-210408T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Morristown TN
447 PM EDT Thu Apr 8 2021
The National Weather Service in Morristown has issued a
* Tornado Warning for...
Northwestern Morgan County in east Tennessee...
Central Scott County in east Tennessee...
* Until 530 PM EDT.
* At 447 PM EDT, a severe thunderstorm capable of producing a tornado
was located 11 miles north of Fairfield Glade, or 14 miles north of
Crossville, moving northeast at 35 mph.
HAZARD...Tornado and half dollar 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...
Huntsville and Helenwood around 530 PM EDT.
Other locations impacted by this tornadic thunderstorm include Rugby,
High Point, Rugby State Park, Deerlodge, Honey Creek State Park,
Elgin, Robbins, Slick Rock, Sunbright and Frozen Head 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 3625 8439 3610 8485 3614 8487 3616 8491
3621 8491 3624 8488 3628 8488 3629 8487
3630 8480 3633 8477 3634 8474 3637 8472
3637 8470 3639 8467 3641 8466 3644 8469
3651 8458
TIME...MOT...LOC 2047Z 234DEG 29KT 3616 8495
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
DH1 follow-up statement
418
WWUS54 KMRX 082100
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
500 PM EDT Thu Apr 8 2021
TNC129-151-082130-
/O.CON.KMRX.TO.W.0001.000000T0000Z-210408T2130Z/
Morgan TN-Scott TN-
500 PM EDT Thu Apr 8 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
NORTHWESTERN MORGAN AND CENTRAL SCOTT COUNTIES...
At 500 PM EDT, a severe thunderstorm capable of producing a tornado
was located 14 miles north of Fairfield Glade, or 15 miles south of
Jamestown, moving northeast at 30 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Huntsville and Helenwood around 545 PM EDT.
Other locations impacted by this tornadic thunderstorm include Rugby,
High Point, Rugby State Park, Deerlodge, Honey Creek State Park,
Elgin, Robbins, Slick Rock, Sunbright and Frozen Head State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3625 8439 3610 8485 3614 8487 3616 8491
3621 8491 3624 8488 3628 8488 3629 8487
3630 8480 3633 8477 3634 8474 3637 8472
3637 8470 3639 8467 3641 8466 3644 8469
3651 8458
TIME...MOT...LOC 2100Z 235DEG 28KT 3621 8485
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
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, 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, 5:51 PM EDT | Tornado Warning | MRX | Campbell, Scott | 39 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.