Alert archive / Tennessee / Tornado Warnings in 2011
Tornado Warning 60, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Apr 27, 2011, 7:29 PM CDT for Marion County, Tennessee. It was in force for 61 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
- Apr 27, 2011, 7:29 PM CDT (00:29 UTC)
- Expired
- Apr 27, 2011, 8:30 PM CDT
- In force
- 61 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
County Marion County, TN
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 27, 3:36 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 0.5 hours before the alert went out and 140 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
- 308 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 669 m above ground
- 0-6 km bulk shear
- 104 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
550
WFUS54 KMRX 280029 RRA
TORMRX
TNC115-280130-
/O.NEW.KMRX.TO.W.0060.110428T0029Z-110428T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
729 PM CDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* TORNADO WARNING FOR...
MARION COUNTY IN EAST TENNESSEE...
* UNTIL 830 PM CDT
* AT 724 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
SOUTHEAST OF SEWANEE...OR 13 MILES WEST OF JASPER. DOPPLER RADAR
SHOWED THIS TORNADO MOVING NORTHEAST AT 35 MPH.
* THIS TORNADIC STORM WILL BE NEAR...
JASPER AROUND 740 PM CDT.
WHITWELL AROUND 755 PM CDT.
OTHER LOCATIONS AFFECTED BY THIS TORNADIC THUNDERSTORM INCLUDE MARTIN
SPRINGS...GRIFFITH CREEK AND POWELLS CROSSROADS.
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 MIDNIGHT CDT THURSDAY MORNING
FOR SOUTHWEST NORTH CAROLINA AND CENTRAL TENNESSEE. A TORNADO WATCH
ALSO REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING FOR
SOUTHWEST VIRGINIA.
&&
LAT...LON 3499 8587 3523 8587 3525 8585 3522 8574
3524 8570 3529 8571 3533 8556 3530 8555
3527 8545 3522 8540 3514 8538 3511 8540
3510 8537 3506 8537 3498 8548
TIME...MOT...LOC 0029Z 245DEG 29KT 3515 8580
$$
MJB1 follow-up statement
650
WWUS54 KMRX 280106
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
806 PM CDT WED APR 27 2011
TNC115-280130-
/O.CON.KMRX.TO.W.0060.000000T0000Z-110428T0130Z/
MARION TN-
806 PM CDT WED APR 27 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR MARION
COUNTY...
AT 802 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A POSSIBLE TORNADO. THIS TORNADO WAS LOCATED NEAR GRIFFITH
CREEK...OR 12 MILES SOUTHWEST OF DUNLAP...MOVING NORTHEAST AT 35 MPH.
OTHER STORMS TO THE SOUTHWEST WILL AFFECT THE SOUTHERN PARTS OF
MARION COUNTY AND COULD PRODUCE TORNADOES AT ANY TIME.
* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF MARION
COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL OR LARGER AND DESTRUCTIVE STRAIGHT LINE WINDS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING
FOR SOUTHWEST NORTH CAROLINA AND EASTERN TENNESSEE.
&&
LAT...LON 3499 8587 3523 8587 3525 8585 3522 8574
3524 8570 3529 8571 3533 8556 3530 8555
3527 8545 3522 8540 3514 8538 3511 8540
3510 8537 3506 8537 3498 8548
TIME...MOT...LOC 0105Z 245DEG 29KT 3527 8553
$$
TDThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 7:07 PM CDT | Tornado Warning | MRX | Anderson, Jefferson, Knox, Loudon, McMinn, Meigs and 3 more | 53 min |
| Apr 27, 7:10 PM CDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne, Morgan, Roane, Scott, Union | 65 min |
| Apr 27, 7:10 PM CDT | Tornado Warning | MRX | Bradley, Hamilton | 65 min |
| Apr 27, 7:26 PM CDT | Flash Flood Warning | MRX | Anderson, Knox, Loudon, Meigs, Rhea, Roane | 3 hr |
| Apr 27, 7:29 PM CDT | Tornado Warning | MRX | Cocke, Grainger, Greene, Hamblen, Hawkins, Jefferson and 2 more | 61 min |
| Apr 27, 7:42 PM CDT | Tornado Warning | MRX | McMinn, Polk | 47 min |
| Apr 27, 7:48 PM CDT | Tornado Warning | MRX | Blount, Knox | 27 min |
| Apr 27, 7:53 PM CDT | Tornado Warning | MRX | Bradley, McMinn | 34 min |
| Apr 27, 7:54 PM CDT | Severe Thunderstorm Warning | MRX | Sullivan, Washington | 66 min |
| Apr 27, 8:00 PM CDT | Severe Thunderstorm Warning | MRX | Claiborne, Grainger, Hancock, Union | 45 min |
| Apr 27, 8:08 PM CDT | Tornado Warning | MRX | Bledsoe, Hamilton, Rhea, Sequatchie | 52 min |
| Apr 27, 8:15 PM CDT | Severe Thunderstorm Warning | MRX | Campbell, Morgan, Scott | 45 min |
| Apr 27, 8:17 PM CDT | Tornado Warning | MRX | Blount, Loudon, McMinn, Monroe | 43 min |
| Apr 27, 8:18 PM CDT | Tornado Warning | MRX | Hawkins, Sullivan, Washington | 42 min |
| Apr 27, 8:26 PM CDT | Tornado Warning | MRX | Cocke, Greene, Hamblen, Hawkins, Jefferson, Sevier and 2 more | 64 min |
| Apr 27, 8:37 PM CDT | Severe Thunderstorm Warning | MRX | Hancock, Hawkins | 53 min |
| Apr 27, 8:40 PM CDT | Tornado Warning | MRX | Meigs, Rhea, Roane | 50 min |
| Apr 27, 8:50 PM CDT | Tornado Warning | MRX | Johnson, Sullivan | 55 min |
| Apr 27, 8:53 PM CDT | Tornado Warning | MRX | Bradley, Hamilton, McMinn, Rhea | 25 min |
| Apr 27, 8:58 PM CDT | Tornado Warning | MRX | Blount, Cocke, Jefferson, Sevier | 62 min |
| Apr 27, 9:03 PM CDT | Areal Flood Warning | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Hamilton and 14 more | 8 hr |
| Apr 27, 9:05 PM CDT | Tornado Warning | MRX | Anderson, Campbell, Claiborne, Loudon, Morgan, Scott and 1 more | 40 min |
| Apr 27, 9:14 PM CDT | Tornado Warning | MRX | Blount, Bradley, Loudon, McMinn, Meigs, Monroe and 2 more | 46 min |
| Apr 27, 9:24 PM CDT | Tornado Warning | MRX | Knox | 51 min |
| Apr 27, 9:41 PM CDT | Tornado Warning | MRX | Carter, Johnson, Sullivan | 64 min |
| Apr 27, 9:46 PM CDT | Tornado Warning | MRX | Claiborne, Grainger, Hamblen, Hancock, Hawkins, Union | 59 min |
| Apr 27, 9:49 PM CDT | Tornado Warning | MRX | Blount, Knox, Loudon, Monroe, Sevier | 26 min |
| Apr 27, 9:50 PM CDT | Tornado Warning | MRX | Greene, Unicoi, Washington | 40 min |
| Apr 27, 9:52 PM CDT | Tornado Warning | MRX | Blount, Loudon, McMinn, Monroe, Polk | 23 min |
| Apr 27, 9:57 PM CDT | Tornado Warning | MRX | Blount, Cocke, Jefferson, Sevier | 63 min |
| Apr 27, 10:10 PM CDT | Tornado Warning | MRX | Carter, Johnson | 65 min |
| Apr 27, 10:13 PM CDT | Tornado Warning | MRX | Blount, Knox, Loudon, Monroe | 47 min |
| Apr 27, 10:21 PM CDT | Tornado Warning | MRX | Blount, Jefferson, Knox, Sevier | 24 min |
| Apr 27, 10:27 PM CDT | Tornado Warning | MRX | Cocke, Greene, Jefferson, Sevier | 63 min |
| Apr 27, 11:19 PM CDT | Severe Thunderstorm Warning | MRX | Carter, Greene, Johnson, Sullivan, Unicoi, Washington | 56 min |
| Apr 27, 11:26 PM CDT | Severe Thunderstorm Warning | MRX | Greene | 49 min |
| Apr 27, 11:40 PM CDT | Tornado Warning | MRX | Carter, Greene, Unicoi, Washington | 31 min |
| Apr 27, 11:51 PM CDT | Tornado Warning | MRX | Johnson, Sullivan | 39 min |
| Apr 27, 11:59 PM CDT | River Flood Warning | MRX | Bledsoe, Marion, Sequatchie | 51 hr |
| Apr 28, 12:29 AM CDT | Areal Flood Advisory | MRX | Carter, Cocke, Greene, Hamblen, Hancock, Hawkins and 4 more | 3 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.