Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 59, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at May 28, 2021, 5:35 PM EDT for Greene County, Hawkins County, Tennessee. It was in force for 40 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
- May 28, 2021, 5:35 PM EDT (21:35 UTC)
- Expired
- May 28, 2021, 6:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Greene County, TN, Hawkins County, TN
The radar
The Knoxville radar (KMRX), 56 km from the middle of the area, began a volume at 21:37 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 nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.6 hours before the alert went out and 264 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
- 106 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1467 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
436
WUUS54 KMRX 282135
SVRMRX
TNC059-073-282215-
/O.NEW.KMRX.SV.W.0059.210528T2135Z-210528T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Morristown TN
535 PM EDT Fri May 28 2021
The National Weather Service in Morristown has issued a
* Severe Thunderstorm Warning for...
Central Hawkins County in east Tennessee...
Northern Greene County in east Tennessee...
* Until 615 PM EDT.
* At 535 PM EDT, a severe thunderstorm was located 9 miles east of
Russellville, or 10 miles south of Rogersville, moving east at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Mosheim, Bulls Gap, Baileyton, Kepler, McCloud, Romeo, Mohawk,
Jearoldstown and Fall Branch.
This includes Interstate 81 in Tennessee between mile markers 20 and
49.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3647 8268 3645 8270 3643 8268 3641 8270
3642 8263 3641 8263 3624 8264 3617 8308
3623 8310 3625 8308 3626 8310 3629 8311
3651 8272
TIME...MOT...LOC 2135Z 253DEG 40KT 3625 8302
HAIL...<.75IN
WIND...60MPH
$$
JLB1 follow-up statement
338
WWUS54 KMRX 282154
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
554 PM EDT Fri May 28 2021
TNC059-073-282215-
/O.CON.KMRX.SV.W.0059.000000T0000Z-210528T2215Z/
Hawkins TN-Greene TN-
554 PM EDT Fri May 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR EAST CENTRAL HAWKINS AND NORTHEASTERN GREENE COUNTIES...
At 554 PM EDT, a severe thunderstorm was located 9 miles north of
Tusculum, or 10 miles north of Greeneville, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Baileyton, Kepler, Jearoldstown and Fall Branch.
This includes Interstate 81 in Tennessee between mile markers 32 and
49.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3647 8268 3645 8270 3643 8268 3641 8270
3642 8263 3641 8263 3624 8264 3620 8292
3641 8289 3651 8272
TIME...MOT...LOC 2154Z 253DEG 40KT 3631 8277
HAIL...<.75IN
WIND...60MPH
$$
JLBThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 2:44 PM EDT | Special Weather Statement | MRX | Hancock, Hawkins | 46 min |
| May 28, 2:58 PM EDT | Areal Flood Advisory | MRX | Campbell, Morgan, Scott | 3 hr |
| May 28, 3:00 PM EDT | Special Weather Statement | MRX | Grainger | 45 min |
| May 28, 3:08 PM EDT | Special Weather Statement | MRX | Sullivan | 37 min |
| May 28, 3:33 PM EDT | Special Weather Statement | MRX | Campbell, Morgan, Roane, Scott | 42 min |
| May 28, 3:54 PM EDT | Special Weather Statement | MRX | Loudon | 36 min |
| May 28, 3:58 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Knox, Morgan, Roane | 47 min |
| May 28, 4:13 PM EDT | Special Weather Statement | MRX | Anderson, Claiborne, Grainger, Knox, Union | 47 min |
| May 28, 4:18 PM EDT | Special Weather Statement | MRX | Monroe | 42 min |
| May 28, 4:32 PM EDT | Severe Thunderstorm Warning | MRX | Grainger, Jefferson, Knox, Union | 43 min |
| May 28, 4:56 PM EDT | Special Weather Statement | MRX | Grainger, Hamblen, Jefferson | 49 min |
| May 28, 5:02 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Grainger, Greene, Hamblen, Hawkins, Jefferson | 43 min |
| May 28, 5:18 PM EDT | Special Weather Statement | MRX | Greene, Hamblen, Hancock, Hawkins, Jefferson | 42 min |
| May 28, 5:40 PM EDT | Special Weather Statement | MRX | Monroe, Polk | 65 min |
| May 28, 5:58 PM EDT | Special Weather Statement | MRX | Carter, Sullivan, Washington | 62 min |
| May 28, 6:42 PM EDT | Special Weather Statement | MRX | Carter, Johnson | 48 min |
| May 28, 6:46 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Johnson | 29 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2021Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.