Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 53, NWS Morristown, TN

April 27, 20114 counties in Tennessee

NWS Morristown, TN issued this tornado warning at Apr 27, 2011, 6:43 PM CDT for 4 counties in Tennessee. It was in force for 62 min. 3 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, 6:43 PM CDT (23:43 UTC)
Expired
Apr 27, 2011, 7:45 PM CDT
In force
62 min
Issued by
NWS Morristown, TN
Area
Storm-based polygon

Counties Bledsoe County, TN, Hamilton County, TN, Rhea County, TN, Sequatchie County, TN

What was reported inside it

TimeReportWhereRemark
Apr 27, 6:50 PM CDTTORNADO8 Ssw Pikeville, TN*** 4 FATAL, 10 INJ *** POSSIBLE TORNADO. BEGAN NEAR PITTS GAP ROAD WITH PATH OF DAMAGE CONTINUING NORTHEAST TOWARD RHEA COUNTY. SEVERAL HOUSES DESTRYOED.
Apr 27, 7:05 PM CDTTORNADO1 S Spring City, TN*** 2 INJ *** POSSIBLE TORNADO. 19 ROOFS DESTROYED. 21 HOMES WITH DAMAGE. DAMAGE PATH IS 100 FEET WIDE AND BEGINS ALONG RIDGELINE SOUTHWEST OF SPRING CITY AND TRACKED TO THE NORTHEAST TO JUST SOUTH OF SPRING CITY.
Apr 27, 7:30 PM CDTTORNADO1 S Spring City, TN*** 2 INJ *** POSSIBLE TORNADO. 19 ROOFS DESTROYED. 21 HOMES WITH DAMAGE. DAMAGE PATH IS 100 FEET WIDE AND BEGINS ALONG RIDGELINE SOUTHWEST OF SPRING CITY AND TRACKED TO THE NORTHEAST TO JUST SOUTH OF SPRING CITY.

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.

IssuedProductOfficeLasted
Apr 27, 3:36 PM CDTTornado Watch PDSSPC8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.7 hours before the alert went out and 151 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -84 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

092 
WFUS54 KMRX 272343
TORMRX
TNC007-065-143-153-280045-
/O.NEW.KMRX.TO.W.0053.110427T2343Z-110428T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
643 PM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  BLEDSOE COUNTY IN EAST TENNESSEE...
  HAMILTON COUNTY IN EAST TENNESSEE...
  RHEA COUNTY IN EAST TENNESSEE...
  SEQUATCHIE COUNTY IN EAST TENNESSEE...

* UNTIL 745 PM CDT/845 PM EDT/

* AT 639 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO ALONG A
  LINE EXTENDING FROM 9 MILES WEST OF SPRING CITY TO DUNLAP. DOPPLER
  RADAR SHOWED THIS TORNADO MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  DAYTON...SODDY-DAISY...SPRING CITY...BRAYTON...GRANDVIEW...
  GRAYSVILLE...SALE CREEK...EVENSVILLE AND OLD WASHINGTON.

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/100 AM EDT THURSDAY MORNING/ FOR SOUTHWEST NORTH CAROLINA AND
CENTRAL TENNESSEE. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
MIDNIGHT CDT THURSDAY MORNING/100 AM EDT THURSDAY MORNING/ FOR
SOUTHWEST VIRGINIA.

&&

LAT...LON 3522 8540 3532 8556 3540 8550 3554 8559
      3557 8543 3577 8525 3576 8500 3583 8479
      3572 8471 3568 8478 3555 8479 3555 8487
      3550 8486 3544 8495 3545 8496 3547 8498
      3537 8503 3516 8527 3519 8535 3515 8539
TIME...MOT...LOC 2343Z 245DEG 29KT 3570 8499 3532 8533

$$

MJB
1 follow-up statement
224 
WWUS54 KMRX 280016
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
816 PM EDT WED APR 27 2011

TNC065-280024-
/O.CAN.KMRX.TO.W.0053.000000T0000Z-110428T0045Z/
HAMILTON TN-
816 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR HAMILTON COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM EDT THURSDAY MORNING 
FOR SOUTHWEST NORTH CAROLINA AND EASTERN TENNESSEE. 

LAT...LON 3557 8543 3572 8528 3577 8525 3576 8500
      3577 8491 3583 8479 3572 8471 3568 8478
      3555 8479 3555 8488 3550 8486 3556 8492
      3557 8501 3547 8532 3549 8543 3545 8546
      3547 8554 3553 8559
TIME...MOT...LOC 0014Z 230DEG 30KT 3571 8494

$$

TNC007-143-153-280045-
/O.CON.KMRX.TO.W.0053.000000T0000Z-110428T0045Z/
RHEA TN-SEQUATCHIE TN-BLEDSOE TN-
716 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT/845 PM EDT/
FOR BLEDSOE...SEQUATCHIE AND RHEA COUNTIES...

AT 811 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO.  THIS TORNADO WAS LOCATED 6 MILES WEST 
OF SPRING CITY...OR 14 MILES NORTH OF DAYTON...MOVING NORTHEAST AT 
35 MPH. OTHER STORMS ARE MOVING EAST FROM MIDDLE TENNESSEE. 

LOCATIONS IN THE WARNING INCLUDE...
  SPRING CITY AND GRANDVIEW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.
&&

LAT...LON 3557 8543 3572 8528 3577 8525 3576 8500
      3577 8491 3583 8479 3572 8471 3568 8478
      3555 8479 3555 8488 3550 8486 3556 8492
      3557 8501 3547 8532 3549 8543 3545 8546
      3547 8554 3553 8559
TIME...MOT...LOC 0014Z 230DEG 30KT 3571 8494

$$

TD

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 6:38 AM CDTSevere Thunderstorm WarningMRXMarion, Sequatchie52 min
Apr 27, 7:16 AM CDTSevere Thunderstorm WarningMRXBledsoe44 min
Apr 27, 7:25 AM CDTSevere Thunderstorm WarningMRXHamilton, Marion, Sequatchie65 min
Apr 27, 7:37 AM CDTTornado WarningMRXBradley, Hamilton, Marion53 min
Apr 27, 7:49 AM CDTSevere Thunderstorm WarningMRXAnderson, Bledsoe, Campbell, Morgan, Roane, Scott56 min
Apr 27, 8:14 AM CDTTornado WarningMRXHamilton46 min
Apr 27, 8:15 AM CDTTornado WarningMRXScott30 min
Apr 27, 8:20 AM CDTSevere Thunderstorm WarningMRXBradley, Polk40 min
Apr 27, 8:33 AM CDTTornado WarningMRXMeigs, Rhea42 min
Apr 27, 8:39 AM CDTSevere Thunderstorm WarningMRXMcMinn, Monroe66 min
Apr 27, 8:51 AM CDTSevere Thunderstorm WarningMRXAnderson, Blount, Campbell, Grainger, Jefferson, Knox and 6 more54 min
Apr 27, 8:56 AM CDTTornado WarningMRXMcMinn49 min
Apr 27, 9:10 AM CDTTornado WarningMRXLoudon, Meigs, Roane50 min
Apr 27, 9:23 AM CDTTornado WarningMRXMcMinn, Monroe22 min
Apr 27, 9:47 AM CDTTornado WarningMRXAnderson, Knox18 min
Apr 27, 12:25 PM CDTTornado WarningMRXMarion65 min
Apr 27, 1:01 PM CDTSevere Thunderstorm WarningMRXSequatchie44 min
Apr 27, 1:10 PM CDTTornado WarningMRXSequatchie50 min
Apr 27, 1:23 PM CDTTornado WarningMRXBledsoe, Rhea52 min
Apr 27, 1:27 PM CDTTornado WarningMRXHamilton, Marion48 min
Apr 27, 1:56 PM CDTTornado WarningMRXBradley, Polk64 min
Apr 27, 2:04 PM CDTSevere Thunderstorm WarningMRXAnderson, Loudon, McMinn, Meigs, Monroe, Morgan and 2 more56 min
Apr 27, 2:07 PM CDTHigh Wind WarningMRXBlount, Carter, Cocke, Greene, Johnson, Monroe and 2 more11 hr
Apr 27, 2:11 PM CDTTornado WarningMRXMcMinn, Meigs49 min
Apr 27, 2:24 PM CDTSevere Thunderstorm WarningMRXHamilton36 min
Apr 27, 2:38 PM CDTTornado WarningMRXAnderson, Blount, Knox, Loudon, Morgan, Roane52 min
Apr 27, 2:43 PM CDTTornado WarningMRXLoudon, McMinn, Monroe47 min
Apr 27, 2:53 PM CDTAreal Flood AdvisoryMRXBradley, Hamilton3 hr
Apr 27, 3:00 PM CDTTornado WarningMRXBradley, Hamilton, McMinn, Meigs, Polk60 min
Apr 27, 3:09 PM CDTTornado WarningMRXBlount, Knox, Loudon, Monroe, Sevier51 min
Apr 27, 3:25 PM CDTTornado WarningMRXMcMinn, Monroe, Polk65 min
Apr 27, 3:39 PM CDTAreal Flood AdvisoryMRXBlount, Bradley, Knox, Loudon, McMinn, Meigs and 3 more3 hr
Apr 27, 3:51 PM CDTSevere Thunderstorm WarningMRXCocke, Jefferson, Sevier54 min
Apr 27, 3:56 PM CDTTornado WarningMRXBlount, Knox, Loudon, Sevier49 min
Apr 27, 4:16 PM CDTTornado WarningMRXHamilton, Marion, Sequatchie59 min
Apr 27, 4:18 PM CDTSevere Thunderstorm WarningMRXCampbell, Morgan, Scott42 min
Apr 27, 4:29 PM CDTTornado WarningMRXBlount, Loudon, Monroe16 min
Apr 27, 4:38 PM CDTTornado WarningMRXCampbell, Scott37 min
Apr 27, 4:45 PM CDTTornado WarningMRXAnderson, Blount, Knox, Loudon, Sevier32 min
Apr 27, 4:48 PM CDTSevere Thunderstorm WarningMRXCocke, Grainger, Greene, Hamblen, Hancock, Hawkins and 2 more57 min
Apr 27, 4:59 PM CDTTornado WarningMRXCampbell, Claiborne, Morgan, Scott61 min
Apr 27, 5:01 PM CDTTornado WarningMRXBradley, Hamilton59 min
Apr 27, 5:14 PM CDTTornado WarningMRXMarion61 min
Apr 27, 5:39 PM CDTTornado WarningMRXBradley, McMinn, Monroe, Polk66 min
Apr 27, 5:40 PM CDTSevere Thunderstorm WarningMRXGreene, Hawkins, Sullivan, Washington50 min
Apr 27, 5:43 PM CDTTornado WarningMRXHamilton, Marion, Sequatchie62 min
Apr 27, 5:52 PM CDTTornado WarningMRXBledsoe, Rhea53 min
Apr 27, 5:57 PM CDTFlash Flood WarningMRXBradley, Hamilton, McMinn, Monroe3 hr
Apr 27, 6:01 PM CDTTornado WarningMRXCampbell, Claiborne, Hancock44 min
Apr 27, 6:01 PM CDTTornado WarningMRXBradley, Hamilton, Meigs59 min
Apr 27, 6:06 PM CDTTornado WarningMRXBlount, Knox, Monroe, Polk54 min
Apr 27, 6:13 PM CDTFlash Flood WarningMRXCampbell, Morgan, Scott3 hr
Apr 27, 6:21 PM CDTTornado WarningMRXBlount, Bradley, Knox, Loudon, McMinn, Meigs and 3 more39 min
Apr 27, 6:49 PM CDTTornado WarningMRXBlount, Cocke, Hamblen, Jefferson, Knox, Sevier41 min
Apr 27, 6:53 PM CDTFlash Flood WarningMRXBledsoe, Marion, Sequatchie3 hr
Apr 27, 6:54 PM CDTTornado WarningMRXAnderson, Blount, Claiborne, Grainger, Hamblen, Jefferson and 6 more51 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.