Alert archive / Tennessee / Tornado Warnings in 2021
Tornado Warning 2, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Apr 8, 2021, 5:25 PM EDT for Campbell County, Morgan County, Scott County, Tennessee. It was in force for 35 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, 5:25 PM EDT (21:25 UTC)
- Expired
- Apr 8, 2021, 6:00 PM EDT
- In force
- 35 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
Counties Campbell County, TN, Morgan County, TN, Scott County, TN
The radar
The Knoxville radar (KMRX), 111 km from the middle of the area, began a volume at 21:26 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 | 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, 5:45 PM EDT | HAIL 1 | 3 Nw Huntsville, TN | |
| Apr 8, 6:00 PM EDT | HAIL 1 | 2 S Oneida, TN | QUARTER SIZED HAIL ALONG HIGHWAY 27. |
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, 9.4 hours before the alert went out and 182 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.
288
WFUS54 KMRX 082125
TORMRX
TNC013-129-151-082200-
/O.NEW.KMRX.TO.W.0002.210408T2125Z-210408T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Morristown TN
525 PM EDT Thu Apr 8 2021
The National Weather Service in Morristown has issued a
* Tornado Warning for...
North central Morgan County in east Tennessee...
Northwestern Campbell County in east Tennessee...
Northern Scott County in east Tennessee...
* Until 600 PM EDT.
* At 524 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles southwest of Helenwood, or 15 miles southeast
of Jamestown, moving northeast at 40 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 540 PM EDT.
Oneida around 545 PM EDT.
Other locations impacted by this tornadic thunderstorm include Rugby,
Jellico, Rugby State Park, Ketchen, Winfield, Honey Creek State Park,
Elgin, Robbins and Indian Mountain State Park.
This includes Interstate 75 in Tennessee between mile markers 156 and
159.
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 3659 8415 3656 8411 3624 8475 3630 8480
3633 8477 3633 8476 3634 8474 3635 8474
3635 8473 3637 8472 3637 8470 3640 8466
3645 8470 3660 8454
TIME...MOT...LOC 2124Z 228DEG 33KT 3633 8469
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
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, 5:51 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.