Alert archive / Tennessee / Tornado Warnings in 2012
Tornado Warning 58, NWS Nashville, TN
NWS Nashville, TN issued this tornado warning at Sep 17, 2012, 3:56 PM CDT for Cannon County, Coffee County, Warren County, Tennessee. It was in force for 34 min. 1 report 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
- Sep 17, 2012, 3:56 PM CDT (20:56 UTC)
- Expired
- Sep 17, 2012, 4:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Cannon County, TN, Coffee County, TN, Warren County, TN
The radar
The Nashville radar (KOHX), 82 km from the middle of the area, began a volume at 20:57 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 |
|---|---|---|---|
| Sep 17, 4:30 PM CDT | TSTM WND DMG | 5 Wnw Mcminnville, TN | SEVERAL TREES AND POWER LINES DOWN AT BETHANY ROAD AND NASHVILLE HIGHWAY WEST OF MCMINNVILLE. |
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 12:00Z, 8.9 hours before the alert went out and 76 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.
991 WFUS54 KOHX 172056 TOROHX TNC015-031-177-172130- /O.NEW.KOHX.TO.W.0058.120917T2056Z-120917T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NASHVILLE TN 356 PM CDT MON SEP 17 2012 THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN CANNON COUNTY IN MIDDLE TENNESSEE... NORTH CENTRAL COFFEE COUNTY IN MIDDLE TENNESSEE... NORTHERN WARREN COUNTY IN MIDDLE TENNESSEE... * UNTIL 430 PM CDT * AT 352 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 12 MILES WEST OF MCMINNVILLE...AND MOVING NORTHEAST AT 15 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 3566 8609 3584 8589 3580 8561 3558 8601 TIME...MOT...LOC 2056Z 225DEG 14KT 3567 8597 $$ TB12
2 follow-up statements
716
WWUS54 KOHX 172059
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
359 PM CDT MON SEP 17 2012
TNC015-031-172108-
/O.CAN.KOHX.TO.W.0058.000000T0000Z-120917T2130Z/
CANNON TN-COFFEE TN-
359 PM CDT MON SEP 17 2012
...THE TORNADO WARNING FOR NORTH CENTRAL COFFEE AND SOUTHEASTERN
CANNON COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
LAT...LON 3561 8595 3571 8599 3583 8590 3584 8588
3580 8561
TIME...MOT...LOC 2058Z 225DEG 14KT 3568 8596
$$
TNC177-172130-
/O.CON.KOHX.TO.W.0058.000000T0000Z-120917T2130Z/
WARREN TN-
359 PM CDT MON SEP 17 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN WARREN COUNTY
UNTIL 430 PM CDT...
AT 357 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 11 MILES WEST OF MCMINNVILLE...MOVING NORTHEAST AT
15 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 3561 8595 3571 8599 3583 8590 3584 8588
3580 8561
TIME...MOT...LOC 2058Z 225DEG 14KT 3568 8596
$$
TB12841
WWUS54 KOHX 172109
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
409 PM CDT MON SEP 17 2012
TNC177-172130-
/O.CON.KOHX.TO.W.0058.000000T0000Z-120917T2130Z/
WARREN TN-
409 PM CDT MON SEP 17 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN WARREN COUNTY
UNTIL 430 PM CDT...
AT 406 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 9 MILES WEST OF MCMINNVILLE...MOVING NORTHEAST AT
15 MPH.
LOCATIONS IMPACTED INCLUDE...
CENTERTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3571 8599 3583 8590 3584 8588 3580 8561
3567 8584 3564 8590
TIME...MOT...LOC 2110Z 225DEG 14KT 3571 8592
$$
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, 3:57 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, 4:43 PM CDT | Tornado Warning | OHX | Cannon, Warren | 47 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.