Alert archive / Tennessee / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 331, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jul 4, 2011, 11:53 AM CDT for Bledsoe County, Rhea County, Roane County, Tennessee. It was in force for 67 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
- Jul 4, 2011, 11:53 AM CDT (16:53 UTC)
- Expired
- Jul 4, 2011, 1:00 PM CDT
- In force
- 67 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Bledsoe County, TN, Rhea County, TN, Roane County, TN
The radar
The Knoxville radar (KMRX), 136 km from the middle of the area, began a volume at 16:52 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 4, 11:50 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 4.9 hours before the alert went out and 165 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
- 2292 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
914
WUUS54 KMRX 041653
SVRMRX
TNC007-143-145-041800-
/O.NEW.KMRX.SV.W.0331.110704T1653Z-110704T1800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
1253 PM EDT MON JUL 4 2011
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BLEDSOE COUNTY IN EAST TENNESSEE...
RHEA COUNTY IN EAST TENNESSEE...
ROANE COUNTY IN EAST TENNESSEE...
* UNTIL 200 PM EDT/100 PM CDT/
* AT 1146 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES
WEST OF SPRING CITY...OR 13 MILES NORTHEAST OF PIKEVILLE...AND
MOVING EAST AT 15 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
ROCKWOOD...KINGSTON...SPRING CITY...GRANDVIEW...EAGLE FURNACE AND
FAIRVIEW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING/700 PM CDT MONDAY EVENING/ FOR CENTRAL TENNESSEE AND
SOUTHWEST VIRGINIA.
&&
LAT...LON 3578 8512 3578 8504 3576 8503 3577 8491
3583 8477 3591 8470 3594 8461 3581 8443
3571 8467 3574 8471 3569 8472 3568 8475
3570 8476 3567 8478 3553 8512
TIME...MOT...LOC 1653Z 248DEG 12KT 3573 8498
$$
MJB1 follow-up statement
877
WWUS54 KMRX 041726
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
126 PM EDT MON JUL 4 2011
TNC007-143-145-041800-
/O.CON.KMRX.SV.W.0331.000000T0000Z-110704T1800Z/
RHEA TN-ROANE TN-BLEDSOE TN-
126 PM EDT MON JUL 4 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM
EDT/100 PM CDT/ FOR BLEDSOE...ROANE AND RHEA COUNTIES...
AT 121 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR GRANDVIEW...OR 12 MILES SOUTHWEST OF ROCKWOOD...MOVING
EAST AT 15 MPH.
LOCATIONS IN THE WARNING INCLUDE...
ROCKWOOD...KINGSTON...EAGLE FURNACE AND FAIRVIEW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING/700 PM CDT MONDAY EVENING/ FOR CENTRAL TENNESSEE AND
SOUTHWEST VIRGINIA.
&&
LAT...LON 3578 8512 3578 8504 3576 8503 3577 8491
3583 8477 3591 8470 3594 8461 3581 8443
3571 8467 3574 8471 3569 8472 3568 8475
3570 8476 3567 8478 3553 8512
TIME...MOT...LOC 1726Z 248DEG 12KT 3575 8480
$$
MJBThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 12:54 PM CDT | Severe Thunderstorm Warning | MRX | Loudon, Morgan, Roane | 66 min |
| Jul 4, 1:40 PM CDT | Severe Thunderstorm Warning | MRX | Blount, Loudon, Monroe | 65 min |
| Jul 4, 1:44 PM CDT | Severe Thunderstorm Warning | MRX | Carter, Johnson | 31 min |
| Jul 4, 2:07 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, McMinn, Polk | 38 min |
| Jul 4, 2:08 PM CDT | Severe Thunderstorm Warning | MRX | Sullivan | 31 min |
| Jul 4, 2:15 PM CDT | Severe Thunderstorm Warning | MRX | Carter, Johnson | 60 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2011Every severe thunderstorm warning in 2011
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.