Alert archive / Tennessee / Tornado Warnings in 2011
Tornado Warning 9, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Mar 23, 2011, 9:41 PM EDT for 4 counties in Tennessee. It was in force for 49 min. 4 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
- Mar 23, 2011, 9:41 PM EDT (01:41 UTC)
- Expired
- Mar 23, 2011, 10:30 PM EDT
- In force
- 49 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Blount County, TN, Loudon County, TN, Monroe County, TN, Sevier County, TN
The radar
The Knoxville radar (KMRX), 73 km from the middle of the area, began a volume at 01:42 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 23, 9:50 PM EDT | TSTM WND DMG | Greenback, TN | POSSIBLE TORNADO REPORTED BY DISPATCH...MUTIPLE POWER LINES AND TREES DOWN ON HWY 95 ALSO DAMAGE TO ROOF OF HOUSE. |
| Mar 23, 9:50 PM EDT | TORNADO | 4 Ne Greenback, TN | EF-3 TORNADO WITH MAXIMUM WINDS OF 140 MPH AND MAXIMUM PATH WIDTH OF 500 YARDS WITH A 4.5 MILE LENGTH. |
| Mar 23, 9:55 PM EDT | TSTM WND DMG | 2 E Greenback, TN | *** 1 INJ *** POSSIBLE TORNADO...3 STORY HOUSE DESTROYED AND ROOF BLOWN OFF ANOTHER HOUSE. |
| Mar 23, 9:57 PM EDT | TSTM WND DMG | 4 Ese Greenback, TN | POSSIBLE TORNADO REPORTED BY HAM...MULTIPLE TREES DOWN AND POSSIBLE INJURIES ON JANEWAY RD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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, 3:45 PM EDT | Tornado Watch | SPC | 6 hr |
| Mar 23, 9:41 PM EDT | Tornado Watch | SPC | 2 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.7 hours before the alert went out and 255 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1906 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 376 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
114
WFUS54 KMRX 240141
TORMRX
TNC009-105-123-155-240230-
/O.NEW.KMRX.TO.W.0009.110324T0141Z-110324T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
941 PM EDT WED MAR 23 2011
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* TORNADO WARNING FOR...
BLOUNT COUNTY IN EAST TENNESSEE...
LOUDON COUNTY IN EAST TENNESSEE...
MONROE COUNTY IN EAST TENNESSEE...
SEVIER COUNTY IN EAST TENNESSEE...
* UNTIL 1030 PM EDT
* AT 937 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
SOUTHEAST OF LOUDON. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST
AT 55 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
ALCOA...MARYVILLE...GATLINBURG...EAGLETON VILLAGE...PIGEON FORGE...
CLOVER HILL...CITICO BEACH...TALASSEE...HAPPY VALLEY...WILDWOOD...
WALLAND...CADES COVE...TOWNSEND...WEARS VALLEY...ELKMONT...
HARRISBURG AND PITTMAN CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 3560 8434 3577 8428 3589 8331 3583 8326
3566 8333 3555 8350 3555 8356 3557 8362
3555 8378 3551 8383 3551 8388 3546 8392
3544 8399 3541 8402
TIME...MOT...LOC 0141Z 285DEG 50KT 3565 8418
$$
DH1 follow-up statement
133
WWUS54 KMRX 240224
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1024 PM EDT WED MAR 23 2011
TNC105-123-240233-
/O.CAN.KMRX.TO.W.0009.000000T0000Z-110324T0230Z/
LOUDON TN-MONROE TN-
1024 PM EDT WED MAR 23 2011
...THE TORNADO WARNING FOR MONROE AND LOUDON COUNTIES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EDT THURSDAY MORNING
FOR SOUTHWEST NORTH CAROLINA AND CENTRAL TENNESSEE.
LAT...LON 3551 8383 3558 8400 3571 8375 3587 8329
3582 8327 3566 8333 3555 8350 3555 8356
3557 8362 3555 8378
TIME...MOT...LOC 0223Z 279DEG 41KT 3558 8362
$$
TNC009-155-240230-
/O.CON.KMRX.TO.W.0009.000000T0000Z-110324T0230Z/
BLOUNT TN-SEVIER TN-
1024 PM EDT WED MAR 23 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR SEVIER
AND BLOUNT COUNTIES...
AT 1019 PM EDT...RADAR CONTINUE TO SHOW A STORM THAT COULD HAVE A
TORNADO. LOCAL LAW ENFORCEMENT REPORTED DAMAGE IN THE GREENBACK
AREA. THE STORM WAS CENTER LOCATED 7 MILES SOUTHWEST OF
ELKMONT...OR 14 MILES SOUTHWEST OF GATLINBURG...MOVING EAST AT 50
MPH.
LOCATIONS IN THE WARNING INCLUDE...
GATLINBURG...ELKMONT AND PITTMAN CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY 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 200 AM EDT THURSDAY MORNING
FOR SOUTHWEST NORTH CAROLINA AND EAST TENNESSEE.
&&
LAT...LON 3551 8383 3558 8400 3571 8375 3587 8329
3582 8327 3566 8333 3555 8350 3555 8356
3557 8362 3555 8378
TIME...MOT...LOC 0223Z 279DEG 41KT 3558 8362
$$
GMThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 8:18 PM EDT | Areal Flood Advisory | MRX | Campbell, Claiborne, Hancock, Hawkins, Johnson, Sullivan | 3 hr |
| Mar 23, 8:28 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Hancock, Hawkins, Johnson, Sullivan, Washington | 62 min |
| Mar 23, 8:36 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Blount, Claiborne, Cocke, Grainger, Greene and 12 more | 54 min |
| Mar 23, 8:40 PM EDT | Tornado Warning | MRX | Bledsoe, Loudon, McMinn, Meigs, Monroe, Polk and 2 more | 50 min |
| Mar 23, 8:54 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Bradley, Hamilton, McMinn, Marion, Meigs and 2 more | 66 min |
| Mar 23, 9:00 PM EDT | Tornado Warning | MRX | Blount, Knox, Loudon, Monroe, Roane | 45 min |
| Mar 23, 9:29 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Cocke, Greene, Jefferson, Sevier, Unicoi and 1 more | 46 min |
| Mar 23, 9:53 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton, McMinn, Marion, Meigs, Monroe and 2 more | 52 min |
| Mar 24, 5:45 AM EDT | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.