Alert archive / Tennessee / Tornado Warnings in 2011
Tornado Warning 28, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Apr 27, 2011, 1:10 PM CDT for Sequatchie County, Tennessee. It was in force for 50 min. 2 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
- Apr 27, 2011, 1:10 PM CDT (18:10 UTC)
- Expired
- Apr 27, 2011, 2:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
County Sequatchie County, TN
The radar
The Northeast Alabama radar (KHTX), 76 km from the middle of the area, began a volume at 18:13 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 |
|---|---|---|---|
| Apr 27, 1:25 PM CDT | FUNNEL CLOUD | Dunlap, TN | |
| Apr 27, 1:40 PM CDT | TSTM WND DMG | Dunlap, TN | NUMEROUS TREES DOWN. |
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 |
|---|---|---|---|
| Apr 27, 10:27 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 6.2 hours before the alert went out and 136 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
- 714 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -84 m²/s²
- 0-3 km storm-relative helicity
- -38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
678
WFUS54 KMRX 271810
TORMRX
TNC153-271900-
/O.NEW.KMRX.TO.W.0028.110427T1810Z-110427T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
110 PM CDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* TORNADO WARNING FOR...
SEQUATCHIE COUNTY IN EAST TENNESSEE...
* UNTIL 200 PM CDT
* AT 108 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF
GRUETLI-LAAGER...OR 14 MILES SOUTHWEST OF DUNLAP. DOPPLER RADAR
SHOWED THIS TORNADO MOVING NORTHEAST AT 50 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
DUNLAP...CARTWRIGHT...LONE OAK AND CAGLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.
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.
&&
LAT...LON 3522 8540 3527 8545 3529 8552 3532 8556
3538 8550 3543 8555 3547 8554 3555 8543
3554 8544 3547 8538 3536 8523 3533 8524
3515 8539
TIME...MOT...LOC 1810Z 241DEG 45KT 3530 8558
$$
TG2 follow-up statements
921
WWUS54 KMRX 271829
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
129 PM CDT WED APR 27 2011
TNC153-271900-
/O.CON.KMRX.TO.W.0028.000000T0000Z-110427T1900Z/
SEQUATCHIE TN-
129 PM CDT WED APR 27 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
SEQUATCHIE COUNTY...
AT 127 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR DUNLAP...MOVING
NORTHEAST AT 50 MPH.
LOCATIONS IN THE WARNING INCLUDE...
MAINLY RURAL AREAS OFEXTREME EASTERN SEQUATCHIE COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT WEDNESDAY
AFTERNOON FOR SOUTHWEST NORTH CAROLINA AND CENTRAL TENNESSEE.
&&
LAT...LON 3522 8540 3527 8545 3529 8552 3532 8556
3538 8550 3543 8555 3547 8554 3555 8543
3554 8544 3547 8538 3536 8523 3533 8524
3515 8539
TIME...MOT...LOC 1829Z 244DEG 46KT 3538 8531
$$
MJB769
WWUS54 KMRX 271901
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
201 PM CDT WED APR 27 2011
TNC153-271911-
/O.EXP.KMRX.TO.W.0028.000000T0000Z-110427T1900Z/
SEQUATCHIE TN-
201 PM CDT WED APR 27 2011
...THE TORNADO WARNING FOR SEQUATCHIE COUNTY HAS EXPIRED...
THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE...THE WARNING HAS BEEN ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT WEDNESDAY
AFTERNOON FOR SOUTHWEST NORTH CAROLINA AND CENTRAL TENNESSEE.
LAT...LON 3522 8540 3527 8545 3529 8552 3532 8556
3538 8550 3543 8555 3547 8554 3555 8543
3554 8544 3547 8538 3536 8523 3533 8524
3515 8539
TIME...MOT...LOC 1829Z 244DEG 46KT 3538 8531
$$
MJBThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 6:38 AM CDT | Severe Thunderstorm Warning | MRX | Marion, Sequatchie | 52 min |
| Apr 27, 7:16 AM CDT | Severe Thunderstorm Warning | MRX | Bledsoe | 44 min |
| Apr 27, 7:25 AM CDT | Severe Thunderstorm Warning | MRX | Hamilton, Marion, Sequatchie | 65 min |
| Apr 27, 7:37 AM CDT | Tornado Warning | MRX | Bradley, Hamilton, Marion | 53 min |
| Apr 27, 7:49 AM CDT | Severe Thunderstorm Warning | MRX | Anderson, Bledsoe, Campbell, Morgan, Roane, Scott | 56 min |
| Apr 27, 8:14 AM CDT | Tornado Warning | MRX | Hamilton | 46 min |
| Apr 27, 8:15 AM CDT | Tornado Warning | MRX | Scott | 30 min |
| Apr 27, 8:20 AM CDT | Severe Thunderstorm Warning | MRX | Bradley, Polk | 40 min |
| Apr 27, 8:33 AM CDT | Tornado Warning | MRX | Meigs, Rhea | 42 min |
| Apr 27, 8:39 AM CDT | Severe Thunderstorm Warning | MRX | McMinn, Monroe | 66 min |
| Apr 27, 8:51 AM CDT | Severe Thunderstorm Warning | MRX | Anderson, Blount, Campbell, Grainger, Jefferson, Knox and 6 more | 54 min |
| Apr 27, 8:56 AM CDT | Tornado Warning | MRX | McMinn | 49 min |
| Apr 27, 9:10 AM CDT | Tornado Warning | MRX | Loudon, Meigs, Roane | 50 min |
| Apr 27, 9:23 AM CDT | Tornado Warning | MRX | McMinn, Monroe | 22 min |
| Apr 27, 9:47 AM CDT | Tornado Warning | MRX | Anderson, Knox | 18 min |
| Apr 27, 12:25 PM CDT | Tornado Warning | MRX | Marion | 65 min |
| Apr 27, 1:01 PM CDT | Severe Thunderstorm Warning | MRX | Sequatchie | 44 min |
| Apr 27, 1:23 PM CDT | Tornado Warning | MRX | Bledsoe, Rhea | 52 min |
| Apr 27, 1:27 PM CDT | Tornado Warning | MRX | Hamilton, Marion | 48 min |
| Apr 27, 1:56 PM CDT | Tornado Warning | MRX | Bradley, Polk | 64 min |
| Apr 27, 2:04 PM CDT | Severe Thunderstorm Warning | MRX | Anderson, Loudon, McMinn, Meigs, Monroe, Morgan and 2 more | 56 min |
| Apr 27, 2:07 PM CDT | High Wind Warning | MRX | Blount, Carter, Cocke, Greene, Johnson, Monroe and 2 more | 11 hr |
| Apr 27, 2:11 PM CDT | Tornado Warning | MRX | McMinn, Meigs | 49 min |
| Apr 27, 2:24 PM CDT | Severe Thunderstorm Warning | MRX | Hamilton | 36 min |
| Apr 27, 2:38 PM CDT | Tornado Warning | MRX | Anderson, Blount, Knox, Loudon, Morgan, Roane | 52 min |
| Apr 27, 2:43 PM CDT | Tornado Warning | MRX | Loudon, McMinn, Monroe | 47 min |
| Apr 27, 2:53 PM CDT | Areal Flood Advisory | MRX | Bradley, Hamilton | 3 hr |
| Apr 27, 3:00 PM CDT | Tornado Warning | MRX | Bradley, Hamilton, McMinn, Meigs, Polk | 60 min |
| Apr 27, 3:09 PM CDT | Tornado Warning | MRX | Blount, Knox, Loudon, Monroe, Sevier | 51 min |
| Apr 27, 3:25 PM CDT | Tornado Warning | MRX | McMinn, Monroe, Polk | 65 min |
| Apr 27, 3:39 PM CDT | Areal Flood Advisory | MRX | Blount, Bradley, Knox, Loudon, McMinn, Meigs and 3 more | 3 hr |
| Apr 27, 3:51 PM CDT | Severe Thunderstorm Warning | MRX | Cocke, Jefferson, Sevier | 54 min |
| Apr 27, 3:56 PM CDT | Tornado Warning | MRX | Blount, Knox, Loudon, Sevier | 49 min |
| Apr 27, 4:16 PM CDT | Tornado Warning | MRX | Hamilton, Marion, Sequatchie | 59 min |
| Apr 27, 4:18 PM CDT | Severe Thunderstorm Warning | MRX | Campbell, Morgan, Scott | 42 min |
| Apr 27, 4:29 PM CDT | Tornado Warning | MRX | Blount, Loudon, Monroe | 16 min |
| Apr 27, 4:38 PM CDT | Tornado Warning | MRX | Campbell, Scott | 37 min |
| Apr 27, 4:45 PM CDT | Tornado Warning | MRX | Anderson, Blount, Knox, Loudon, Sevier | 32 min |
| Apr 27, 4:48 PM CDT | Severe Thunderstorm Warning | MRX | Cocke, Grainger, Greene, Hamblen, Hancock, Hawkins and 2 more | 57 min |
| Apr 27, 4:59 PM CDT | Tornado Warning | MRX | Campbell, Claiborne, Morgan, Scott | 61 min |
| Apr 27, 5:01 PM CDT | Tornado Warning | MRX | Bradley, Hamilton | 59 min |
| Apr 27, 5:14 PM CDT | Tornado Warning | MRX | Marion | 61 min |
| Apr 27, 5:39 PM CDT | Tornado Warning | MRX | Bradley, McMinn, Monroe, Polk | 66 min |
| Apr 27, 5:40 PM CDT | Severe Thunderstorm Warning | MRX | Greene, Hawkins, Sullivan, Washington | 50 min |
| Apr 27, 5:43 PM CDT | Tornado Warning | MRX | Hamilton, Marion, Sequatchie | 62 min |
| Apr 27, 5:52 PM CDT | Tornado Warning | MRX | Bledsoe, Rhea | 53 min |
| Apr 27, 5:57 PM CDT | Flash Flood Warning | MRX | Bradley, Hamilton, McMinn, Monroe | 3 hr |
| Apr 27, 6:01 PM CDT | Tornado Warning | MRX | Campbell, Claiborne, Hancock | 44 min |
| Apr 27, 6:01 PM CDT | Tornado Warning | MRX | Bradley, Hamilton, Meigs | 59 min |
| Apr 27, 6:06 PM CDT | Tornado Warning | MRX | Blount, Knox, Monroe, Polk | 54 min |
| Apr 27, 6:13 PM CDT | Flash Flood Warning | MRX | Campbell, Morgan, Scott | 3 hr |
| Apr 27, 6:21 PM CDT | Tornado Warning | MRX | Blount, Bradley, Knox, Loudon, McMinn, Meigs and 3 more | 39 min |
| Apr 27, 6:43 PM CDT | Tornado Warning | MRX | Bledsoe, Hamilton, Rhea, Sequatchie | 62 min |
| Apr 27, 6:49 PM CDT | Tornado Warning | MRX | Blount, Cocke, Hamblen, Jefferson, Knox, Sevier | 41 min |
| Apr 27, 6:53 PM CDT | Flash Flood Warning | MRX | Bledsoe, Marion, Sequatchie | 3 hr |
| Apr 27, 6:54 PM CDT | Tornado Warning | MRX | Anderson, Blount, Claiborne, Grainger, Hamblen, Jefferson and 6 more | 51 min |
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.