Alert archive / Tennessee / Tornado Warnings in 2012
Tornado Warning 56, NWS Nashville, TN
NWS Nashville, TN issued this tornado warning at Sep 17, 2012, 1:46 PM CDT for Bedford County, Tennessee. It was in force for 29 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, 1:46 PM CDT (18:46 UTC)
- Expired
- Sep 17, 2012, 2:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
County Bedford County, TN
The radar
The Nashville radar (KOHX), 70 km from the middle of the area, began a volume at 18:46 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, 6.8 hours before the alert went out and 57 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.
057
WFUS54 KOHX 171846
TOROHX
TNC003-171915-
/O.NEW.KOHX.TO.W.0056.120917T1846Z-120917T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
146 PM CDT MON SEP 17 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN BEDFORD COUNTY IN MIDDLE TENNESSEE...
* UNTIL 215 PM CDT
* AT 142 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 8 MILES WEST OF SHELBYVILLE...AND MOVING
NORTHEAST AT 15 MPH.
* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHWESTERN
BEDFORD 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.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.
&&
LAT...LON 3549 8657 3554 8666 3570 8657 3569 8652
3568 8652 3566 8647 3564 8646 3565 8642
3562 8641 3563 8639 3565 8637 3566 8634
3565 8630
TIME...MOT...LOC 1846Z 222DEG 15KT 3555 8657
$$
AL2 follow-up statements
672
WWUS54 KOHX 171858
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
158 PM CDT MON SEP 17 2012
TNC003-171915-
/O.CON.KOHX.TO.W.0056.000000T0000Z-120917T1915Z/
BEDFORD TN-
158 PM CDT MON SEP 17 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL BEDFORD
COUNTY UNTIL 215 PM CDT...
AT 156 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 8 MILES NORTHWEST OF SHELBYVILLE...MOVING NORTHEAST
AT 15 MPH.
LOCATIONS IMPACTED INCLUDE...
DEASON...AND MAINLY RURAL AREAS OF NORTHERN BEDFORD COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NASHVILLE.
&&
LAT...LON 3554 8657 3556 8660 3570 8657 3569 8653
3564 8646 3565 8642 3562 8641 3563 8639
3565 8637 3566 8634 3565 8631 3553 8652
TIME...MOT...LOC 1857Z 222DEG 15KT 3558 8653
$$
AL661
WWUS54 KOHX 171915
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
215 PM CDT MON SEP 17 2012
TNC003-171925-
/O.EXP.KOHX.TO.W.0056.000000T0000Z-120917T1915Z/
BEDFORD TN-
215 PM CDT MON SEP 17 2012
...THE TORNADO WARNING FOR NORTH CENTRAL BEDFORD COUNTY HAS
EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
TO REPORT ANY FUNNEL CLOUDS OR TORNADO DAMAGE...CONTACT YOUR NEAREST
LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE IN NASHVILLE.
LAT...LON 3554 8657 3556 8660 3570 8657 3569 8653
3564 8646 3565 8642 3562 8641 3563 8639
3565 8637 3566 8634 3565 8631 3553 8652
TIME...MOT...LOC 1858Z 222DEG 15KT 3558 8653
$$
ALThe 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, 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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.