Alert archive / Tennessee / Tornado Warnings in 2011
Tornado Warning 7, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Mar 23, 2011, 7:40 PM CDT for 8 counties in Tennessee. It was in force for 50 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
- Mar 23, 2011, 7:40 PM CDT (00:40 UTC)
- Expired
- Mar 23, 2011, 8:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Bledsoe County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Polk County, TN, Rhea County, TN, Roane County, TN
The radar
The Northeast Alabama radar (KHTX), 141 km from the middle of the area, began a volume at 00:42 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 |
|---|---|---|---|
| Mar 23, 2:45 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 0.7 hours before the alert went out and 162 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
- 239 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 900 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
135
WFUS54 KMRX 240040
TORMRX
TNC007-105-107-121-123-139-143-145-240130-
/O.NEW.KMRX.TO.W.0007.110324T0040Z-110324T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
840 PM EDT WED MAR 23 2011
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN BLEDSOE COUNTY IN EAST TENNESSEE...
LOUDON COUNTY IN EAST TENNESSEE...
MCMINN COUNTY IN EAST TENNESSEE...
MEIGS COUNTY IN EAST TENNESSEE...
MONROE COUNTY IN EAST TENNESSEE...
EASTERN POLK COUNTY IN EAST TENNESSEE...
RHEA COUNTY IN EAST TENNESSEE...
SOUTHERN ROANE COUNTY IN EAST TENNESSEE...
* UNTIL 930 PM EDT/830 PM CDT/
* AT 738 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A TORNADO 10 MILES NORTHWEST OF SPRING CITY...OR 12 MILES SOUTH OF
CROSSVILLE. DOPPLER RADAR SHOWED THIS TORNADO MOVING SOUTHEAST AT
55 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
DECATUR...ATHENS...SWEETWATER...MADISONVILLE...SPRING CITY...
ETOWAH...GRANDVIEW...EAGLE FURNACE...PEAKLAND...TEN MILE...MURRAY
STORE...PAINT ROCK...CLEAR WATER...NIOTA...PHILADELPHIA...
ENGLEWOOD...VONORE...MOUNT VERNON AND BULLET CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT WEDNESDAY
EVENING/900 PM CDT WEDNESDAY EVENING/ FOR SOUTHWEST NORTH CAROLINA
AND CENTRAL TENNESSEE AND SOUTHWEST VIRGINIA.
&&
LAT...LON 3574 8515 3578 8512 3577 8509 3578 8504
3576 8500 3578 8490 3583 8479 3584 8475
3564 8418 3525 8440
TIME...MOT...LOC 0039Z 300DEG 49KT 3577 8499
$$
DH1 follow-up statement
430
WWUS54 KMRX 240118
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
918 PM EDT WED MAR 23 2011
TNC007-139-240125-
/O.CAN.KMRX.TO.W.0007.000000T0000Z-110324T0130Z/
BLEDSOE TN-POLK TN-
818 PM CDT WED MAR 23 2011
...THE TORNADO WARNING NUMBER 7 FOR EASTERN POLK AND BLEDSOE
COUNTIES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT WEDNESDAY
EVENING/1000 PM EDT WEDNESDAY EVENING/ FOR SOUTHWEST NORTH CAROLINA
AND CENTRAL TENNESSEE AND SOUTHWEST VIRGINIA.
LAT...LON 3567 8471 3575 8471 3582 8468 3564 8418
3546 8429
TIME...MOT...LOC 0115Z 285DEG 41KT 3569 8458
$$
TNC105-107-121-123-143-145-240130-
/O.CON.KMRX.TO.W.0007.000000T0000Z-110324T0130Z/
LOUDON TN-ROANE TN-RHEA TN-MEIGS TN-MCMINN TN-MONROE TN-
918 PM EDT WED MAR 23 2011
...A TORNADO WARNING NUMBER 7 REMAINS IN EFFECT UNTIL 930 PM EDT FOR
MONROE...EXTREME NORTHERN MCMINN...NORTHERN MEIGS...NORTHERN
RHEA...ROANE AND LOUDON COUNTIES...
...TORNADO WARNING NUMBER 9 CONTINUES IN THIS AREA AS WELL...A
STATEMENT WILL BE ISSUED FOR THIS WARNING...
AT 914 PM EDT...THE STORM WAS LOCATED NEAR NEAR TEN MILE...OR 10
MILES NORTHWEST OF SWEETWATER...MOVING EAST AT 45 MPH.
LOCATIONS IN THE WARNING INCLUDE...
SWEETWATER...MADISONVILLE...PAINT ROCK...PHILADELPHIA AND VONORE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT WEDNESDAY EVENING
FOR SOUTHWEST NORTH CAROLINA AND EAST TENNESSEE AND SOUTHWEST
VIRGINIA.
&&
LAT...LON 3567 8471 3575 8471 3582 8468 3564 8418
3546 8429
TIME...MOT...LOC 0115Z 285DEG 41KT 3569 8458
$$
GMThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 7:18 PM CDT | Areal Flood Advisory | MRX | Campbell, Claiborne, Hancock, Hawkins, Johnson, Sullivan | 3 hr |
| Mar 23, 7:28 PM CDT | Severe Thunderstorm Warning | MRX | Carter, Hancock, Hawkins, Johnson, Sullivan, Washington | 62 min |
| Mar 23, 7:36 PM CDT | Severe Thunderstorm Warning | MRX | Anderson, Blount, Claiborne, Cocke, Grainger, Greene and 12 more | 54 min |
| Mar 23, 7:54 PM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Bradley, Hamilton, McMinn, Marion, Meigs and 2 more | 66 min |
| Mar 23, 8:00 PM CDT | Tornado Warning | MRX | Blount, Knox, Loudon, Monroe, Roane | 45 min |
| Mar 23, 8:29 PM CDT | Severe Thunderstorm Warning | MRX | Carter, Cocke, Greene, Jefferson, Sevier, Unicoi and 1 more | 46 min |
| Mar 23, 8:41 PM CDT | Tornado Warning | MRX | Blount, Loudon, Monroe, Sevier | 49 min |
| Mar 23, 8:53 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton, McMinn, Marion, Meigs, Monroe and 2 more | 52 min |
| Mar 24, 4:45 AM CDT | Freeze Watch | MRX | Carter, Greene, Hancock, Hawkins, Sullivan, Washington | 9 hr |
Nearby
Tornado Warnings in Tennessee, 2011Every tornado warning in 2011Tornadoes 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.