Alert archive / Tennessee / Tornado Warnings in 2012
Tornado Warning 9, NWS Nashville, TN
NWS Nashville, TN issued this tornado warning at Jan 23, 2012, 1:21 AM CST for 5 counties in Tennessee. It was in force for 39 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
- Jan 23, 2012, 1:21 AM CST (07:21 UTC)
- Expired
- Jan 23, 2012, 2:00 AM CST
- In force
- 39 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Cheatham County, TN, Davidson County, TN, Robertson County, TN, Sumner County, TN, Williamson County, TN
The radar
The Nashville radar (KOHX), 32 km from the middle of the area, began a volume at 07:22 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 |
|---|---|---|---|
| Jan 23, 1:46 AM CST | TSTM WND DMG | Hendersonville, TN | TREE BLOCKING LANE ON NEW SHACKLE ROAD AT LONG HOLLOW PIKE. |
| Jan 23, 2:08 AM CST | TSTM WND DMG | 5 Sw Springfield, TN | A FEW TREES WERE DOWNED IN THE COOPERTOWN AREA. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 22, 10:59 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 7.4 hours before the alert went out and 30 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 517 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 337 m²/s²
- 0-3 km storm-relative helicity
- 371 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
994
WFUS54 KOHX 230721
TOROHX
TNC021-037-147-165-187-230800-
/O.NEW.KOHX.TO.W.0009.120123T0721Z-120123T0800Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
121 AM CST MON JAN 23 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* TORNADO WARNING FOR...
CHEATHAM COUNTY IN MIDDLE TENNESSEE...
DAVIDSON COUNTY IN MIDDLE TENNESSEE...
SOUTH CENTRAL ROBERTSON COUNTY IN MIDDLE TENNESSEE...
SOUTHWESTERN SUMNER COUNTY IN MIDDLE TENNESSEE...
NORTHWESTERN WILLIAMSON COUNTY IN MIDDLE TENNESSEE...
* UNTIL 200 AM CST
* AT 117 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR PEGRAM...OR 9 MILES SOUTH OF ASHLAND CITY...
AND MOVING NORTHEAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
ASHLAND CITY...NASHVILLE...SPRINGFIELD...BELLE MEADE...LAKEWOOD...
GOODLETTSVILLE...HENDERSONVILLE...RIDGETOP...GREENBRIER AND
MILLERSVILLE.
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 3632 8655 3629 8656 3631 8654 3629 8651
3628 8652 3629 8656 3625 8659 3622 8658
3595 8709 3608 8718 3616 8717 3619 8715
3622 8719 3623 8717 3625 8717 3654 8690
TIME...MOT...LOC 0720Z 214DEG 36KT 3617 8705
$$
BOYD2 follow-up statements
959
WWUS54 KOHX 230732
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
132 AM CST MON JAN 23 2012
TNC187-230741-
/O.CAN.KOHX.TO.W.0009.000000T0000Z-120123T0800Z/
WILLIAMSON TN-
132 AM CST MON JAN 23 2012
...THE TORNADO WARNING FOR CENTRAL WILLIAMSON COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT THE WARNED AREA.
LAT...LON 3633 8656 3629 8656 3631 8654 3629 8651
3629 8656 3625 8659 3622 8658 3620 8661
3602 8702 3611 8708 3617 8707 3622 8710
3632 8707 3654 8690
TIME...MOT...LOC 0731Z 214DEG 36KT 3626 8697
$$
TNC021-037-147-165-230800-
/O.CON.KOHX.TO.W.0009.000000T0000Z-120123T0800Z/
ROBERTSON TN-SUMNER TN-CHEATHAM TN-DAVIDSON TN-
132 AM CST MON JAN 23 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR DAVIDSON...EASTERN
CHEATHAM...SOUTHWESTERN SUMNER AND SOUTH CENTRAL ROBERTSON COUNTIES
UNTIL 200 AM CST...
AT 127 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR ASHLAND CITY...MOVING NORTHEAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
NASHVILLE...SPRINGFIELD...LAKEWOOD...GOODLETTSVILLE...
HENDERSONVILLE...RIDGETOP...GREENBRIER AND MILLERSVILLE.
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 3633 8656 3629 8656 3631 8654 3629 8651
3629 8656 3625 8659 3622 8658 3620 8661
3602 8702 3611 8708 3617 8707 3622 8710
3632 8707 3654 8690
TIME...MOT...LOC 0731Z 214DEG 36KT 3626 8697
$$
BOYD128
WWUS54 KOHX 230741
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
141 AM CST MON JAN 23 2012
TNC021-230750-
/O.CAN.KOHX.TO.W.0009.000000T0000Z-120123T0800Z/
CHEATHAM TN-
141 AM CST MON JAN 23 2012
...THE TORNADO WARNING FOR EASTERN CHEATHAM COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT THE WARNED AREA.
LAT...LON 3633 8656 3629 8656 3629 8655 3631 8654
3629 8651 3629 8656 3625 8659 3622 8658
3620 8661 3610 8689 3617 8695 3632 8689
3646 8677
TIME...MOT...LOC 0740Z 214DEG 36KT 3633 8690
$$
TNC037-147-165-230800-
/O.CON.KOHX.TO.W.0009.000000T0000Z-120123T0800Z/
ROBERTSON TN-SUMNER TN-DAVIDSON TN-
141 AM CST MON JAN 23 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN DAVIDSON...
SOUTHWESTERN SUMNER AND SOUTH CENTRAL ROBERTSON COUNTIES UNTIL 200 AM
CST...
AT 136 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 7 MILES EAST OF ASHLAND CITY...MOVING NORTHEAST AT
45 MPH.
LOCATIONS IMPACTED INCLUDE...
LAKEWOOD...GOODLETTSVILLE...HENDERSONVILLE...RIDGETOP AND
MILLERSVILLE.
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 3633 8656 3629 8656 3629 8655 3631 8654
3629 8651 3629 8656 3625 8659 3622 8658
3620 8661 3610 8689 3617 8695 3632 8689
3646 8677
TIME...MOT...LOC 0740Z 214DEG 36KT 3633 8690
$$
BOYDThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 11:23 PM CST | Severe Thunderstorm Warning | OHX | Stewart | 7 min |
| Jan 22, 11:40 PM CST | Special Weather Statement | OHX | Cheatham, Dickson, Giles, Hickman, Houston, Humphreys and 7 more | 50 min |
| Jan 22, 11:53 PM CST | Tornado Warning | OHX | Wayne | 37 min |
| Jan 22, 11:56 PM CST | Special Weather Statement | OHX | Cheatham, Dickson, Giles, Hickman, Houston, Humphreys and 7 more | 64 min |
| Jan 23, 12:17 AM CST | Severe Thunderstorm Warning | OHX | Benton, Dickson, Houston, Humphreys | 43 min |
| Jan 23, 12:25 AM CST | Tornado Warning | OHX | Hickman, Lawrence, Lewis, Maury, Perry, Wayne | 20 min |
| Jan 23, 12:28 AM CST | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Dickson, Houston, Humphreys, Montgomery and 3 more | 47 min |
| Jan 23, 12:40 AM CST | Special Weather Statement | OHX | Cheatham, Davidson, Dickson, Giles, Hickman, Lawrence and 12 more | 50 min |
| Jan 23, 12:40 AM CST | Tornado Warning | OHX | Cheatham, Dickson, Houston, Humphreys, Montgomery | 35 min |
| Jan 23, 12:53 AM CST | Tornado Warning | OHX | Cheatham, Davidson, Dickson, Hickman, Williamson | 37 min |
| Jan 23, 12:55 AM CST | Severe Thunderstorm Warning | OHX | Giles, Lawrence, Marshall, Maury | 15 min |
| Jan 23, 1:13 AM CST | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, DeKalb, Dickson, Macon, Robertson and 5 more | 32 min |
| Jan 23, 1:35 AM CST | Severe Thunderstorm Warning | OHX | Davidson, Rutherford, Williamson, Wilson | 25 min |
| Jan 23, 1:37 AM CST | Tornado Warning | OHX | Davidson, Sumner, Williamson, Wilson | 23 min |
| Jan 23, 1:41 AM CST | Severe Thunderstorm Warning | OHX | Clay, Davidson, Jackson, Macon, Smith, Sumner and 3 more | 34 min |
| Jan 23, 2:09 AM CST | Severe Thunderstorm Warning | OHX | Clay, DeKalb, Jackson, Macon, Putnam, Rutherford and 3 more | 36 min |
| Jan 23, 2:17 AM CST | Severe Thunderstorm Warning | OHX | Bedford, Coffee | 28 min |
| Jan 23, 2:46 AM CST | Severe Thunderstorm Warning | OHX | Clay, Cumberland, DeKalb, Fentress, Jackson, Overton and 3 more | 59 min |
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.