Alert archive / Tennessee / Tornado Warnings in 2012
Tornado Warning 63, NWS Nashville, TN
NWS Nashville, TN issued this tornado warning at Sep 17, 2012, 4:43 PM CDT for Cannon County, Warren County, Tennessee. It was in force for 47 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
- Sep 17, 2012, 4:43 PM CDT (21:43 UTC)
- Expired
- Sep 17, 2012, 5:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Cannon County, TN, Warren County, TN
The radar
The Nashville radar (KOHX), 81 km from the middle of the area, began a volume at 21:44 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.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 9.7 hours before the alert went out and 75 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
- 491 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
313
WFUS54 KOHX 172143
TOROHX
TNC015-177-172230-
/O.NEW.KOHX.TO.W.0063.120917T2143Z-120917T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
443 PM CDT MON SEP 17 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN CANNON COUNTY IN MIDDLE TENNESSEE...
NORTHERN WARREN COUNTY IN MIDDLE TENNESSEE...
* UNTIL 530 PM CDT
* AT 439 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 10 MILES NORTH OF MANCHESTER...AND MOVING
NORTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
MCMINNVILLE...MORRISON AND CENTERTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3561 8595 3566 8599 3565 8603 3565 8609
3566 8615 3569 8618 3588 8592 3584 8588
3585 8581 3584 8572 3576 8563 3558 8595
TIME...MOT...LOC 2143Z 231DEG 24KT 3563 8608
$$
TB123 follow-up statements
874
WWUS54 KOHX 172201
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
501 PM CDT MON SEP 17 2012
TNC015-177-172230-
/O.CON.KOHX.TO.W.0063.000000T0000Z-120917T2230Z/
WARREN TN-CANNON TN-
501 PM CDT MON SEP 17 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CANNON AND
NORTHWESTERN WARREN COUNTIES UNTIL 530 PM CDT...
AT 458 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
LOCATED 12 MILES WEST OF MCMINNVILLE. A TORNADO MAY DEVELOP AT ANY
TIME. THIS DANGEROUS STORM WAS LOCATED 10 MILES SOUTHEAST OF
WOODBURY...MOVING NORTHEAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
CENTERTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3565 8603 3571 8609 3588 8592 3584 8588
3584 8584 3585 8581 3584 8572 3578 8566
3568 8586
TIME...MOT...LOC 2201Z 231DEG 24KT 3571 8596
$$
TB12170
WWUS54 KOHX 172216
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
516 PM CDT MON SEP 17 2012
TNC015-177-172230-
/O.CON.KOHX.TO.W.0063.000000T0000Z-120917T2230Z/
WARREN TN-CANNON TN-
516 PM CDT MON SEP 17 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL CANNON AND
NORTHERN WARREN COUNTIES UNTIL 530 PM CDT...
AT 511 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 8 MILES NORTHWEST OF MCMINNVILLE...MOVING NORTHEAST
AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF NORTHERN WARREN COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3577 8599 3587 8592 3585 8589 3584 8584
3585 8581 3584 8572 3578 8566 3568 8591
TIME...MOT...LOC 2216Z 231DEG 24KT 3577 8586
$$
TB12345
WWUS54 KOHX 172221
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
521 PM CDT MON SEP 17 2012
TNC015-177-172230-
/O.EXP.KOHX.TO.W.0063.000000T0000Z-120917T2230Z/
WARREN TN-CANNON TN-
521 PM CDT MON SEP 17 2012
...THE TORNADO WARNING FOR EAST CENTRAL CANNON AND NORTHERN WARREN
COUNTIES WILL EXPIRE AT 530 PM CDT...
THE STORM WHICH PROMPTED THE TORNADO WARNING HAS WEAKENED AND NO
LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER GUSTY
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 3577 8599 3587 8592 3585 8589 3584 8584
3585 8581 3584 8572 3578 8566 3568 8591
TIME...MOT...LOC 2220Z 231DEG 24KT 3579 8583
$$
TB12The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 2:48 AM CDT | Flood Watch | OHX | Bedford, Cannon, Clay, Coffee, Cumberland, Davidson and 23 more | 27 hr |
| Sep 17, 11:41 AM CDT | Areal Flood Advisory | OHX | Giles, Hickman, Lawrence, Lewis, Marshall, Maury and 1 more | 6 hr |
| Sep 17, 1:46 PM CDT | Tornado Warning | OHX | Bedford | 29 min |
| Sep 17, 2:11 PM CDT | Flash Flood Warning | OHX | Giles, Marshall | 3 hr |
| Sep 17, 2:55 PM CDT | Areal Flood Advisory | OHX | Bedford, Rutherford, Williamson | 6 hr |
| Sep 17, 3:55 PM CDT | Tornado Warning | OHX | Bedford | 35 min |
| Sep 17, 3:56 PM CDT | Tornado Warning | OHX | Cannon, Coffee, Warren | 34 min |
| Sep 17, 3:57 PM CDT | Tornado Warning | OHX | Van Buren, Warren, White | 33 min |
| Sep 17, 4:06 PM CDT | Tornado Warning | OHX | Coffee | 54 min |
| Sep 17, 4:26 PM CDT | Tornado Warning | OHX | DeKalb, Warren, White | 34 min |
| Sep 17, 4:28 PM CDT | Tornado Warning | OHX | Van Buren, Warren, White | 32 min |
| Sep 17, 6:15 PM CDT | Areal Flood Advisory | OHX | Cannon, Coffee, DeKalb, Jackson, Overton, Putnam and 2 more | 4 hr |
Nearby
Tornado Warnings in Tennessee, 2012Every tornado warning in 2012Tornadoes in 2012
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; radar from the NEXRAD Level II archive.