Alert archive / Tennessee / Tornado Warnings in 2007

Tornado Warning 7, NWS Morristown, TN

November 14, 2007Marion County, Tennessee

NWS Morristown, TN issued this tornado warning at Nov 14, 2007, 6:22 PM CST for Marion County, Tennessee. It was in force for 53 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: Nov 14, 2007, 6:22 PM CST (00:22 UTC)
Expired: Nov 14, 2007, 7:15 PM CST
In force: 53 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon

County Marion County, TN

The radar

The Northeast Alabama radar (KHTX), 36 km from the middle of the area, began a volume at 00:25 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
Nov 14, 7:02 PM CST	TORNADO 2	3 Sw Jasper, TN	* 9 INJ * SEVERAL VEHICLES DAMAGED IN KIMBALL. CHURCH IN KIMBALL WAS ALSO DAMAGED. TORNADO RATED AS EF2 WITH PEAK WIND SPEED ESTIMATED AT 130 MPH. PATH WIDTH 200 YARDS. PATH LENGTH 2 MILES.
Nov 14, 7:10 PM CST	TSTM WND DMG	2 Sw Jasper, TN	SEVERAL VEHICLES DAMAGED IN KIMBALL. CHURCH IN KIMBALL WAS ALSO DAMAGED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.4 hours before the alert went out and 133 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 632 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 274 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMRX 150023
TORMRX
TNC115-150115-
/O.NEW.KMRX.TO.W.0007.071115T0022Z-071115T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
622 PM CST WED NOV 14 2007

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  MARION COUNTY IN EAST TENNESSEE...
  THIS INCLUDES THE CITY OF JASPER...

* UNTIL 715 PM CST

* AT 620 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES WEST OF
  SOUTH PITTSBURG...OR ABOUT 10 MILES SOUTHEAST OF WINCHESTER...
  MOVING EAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  SOUTH PITTSBURG BY 655 PM CST...
  JASPER BY 705 PM CST...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING HAIL
OF 3/4 INCH DIAMETER OR LARGER AND DESTRUCTIVE OUTFLOW WINDS IN
EXCESS OF 50 MPH.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT OR STORM
SHELTER. 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.

LAT...LON 3516 8588 3521 8588 3527 8552 3500 8550
      3499 8588 3515 8589
TIME...MOT...LOC 0022Z 266DEG 23KT 3507 8598

$$

LCM

1 follow-up statement

000 
WWUS54 KMRX 150052
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
752 PM EST WED NOV 14 2007

TNC115-150115-
/O.CON.KMRX.TO.W.0007.000000T0000Z-071115T0115Z/
MARION TN-
652 PM CST WED NOV 14 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CST FOR WESTERN
MARION COUNTY...

AT 647 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ORME...OR ABOUT 8
MILES WEST OF JASPER...MOVING EAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  JASPER BY 705 PM CST...
  HALETOWN (GUILD) BY 710 PM CST...
  6 MILES SOUTH OF MARTIN SPRINGS AND 9 MILES SOUTH OF WHITWELL BY
  715 PM CST...

LAT...LON 3516 8588 3521 8588 3527 8552 3500 8550
      3499 8588 3515 8589
TIME...MOT...LOC 0052Z 268DEG 24KT 3507 8572

$$

LCM

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 14, 6:01 PM CST	Severe Thunderstorm Warning	MRX	Bledsoe, Rhea	44 min
Nov 14, 6:56 PM CST	Areal Flood Advisory	MRX	Blount, Loudon, Monroe, Roane, Sevier	2 hr
Nov 14, 6:59 PM CST	Severe Thunderstorm Warning	MRX	Meigs, Rhea	46 min
Nov 14, 7:06 PM CST	Severe Thunderstorm Warning	MRX	Loudon, Monroe, Roane	39 min
Nov 14, 7:18 PM CST	Tornado Warning	MRX	Hamilton, Marion	42 min
Nov 14, 7:44 PM CST	Areal Flood Advisory	MRX	Bradley, Hamilton, Marion	61 min
Nov 14, 8:04 PM CST	Severe Thunderstorm Warning	MRX	Bradley, Hamilton	56 min
Nov 14, 9:09 PM CST	Severe Thunderstorm Warning	MRX	Blount, Sevier	36 min
Nov 15, 3:22 AM CST	Lake Wind Advisory	MRX	Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 25 more	11 hr
Nov 15, 9:33 AM CST	Snow Advisory	MRX	Blount, Carter, Cocke, Greene, Johnson, Sevier and 1 more	11 hr

Nearby

Tornado Warnings in Tennessee, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.