Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 366, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Sep 7, 2012, 11:24 PM CDT for Montgomery County, Stewart County, Tennessee. It was in force for 51 min. 4 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
- Sep 7, 2012, 11:24 PM CDT (04:24 UTC)
- Expired
- Sep 8, 2012, 12:15 AM CDT
- In force
- 51 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Montgomery County, TN, Stewart County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 7, 11:40 PM CDT | TSTM WND DMG | 12 Se Clarksville, TN | TREE DOWN IN CITY OF PALMYRA. |
| Sep 7, 11:40 PM CDT | TSTM WND DMG | 7 Sw Clarksville, TN | TREE DOWN IN CITY OF PALMYRA. |
| Sep 7, 11:43 PM CDT | TSTM WND DMG | 7 Sw Clarksville, TN | 911 DISPATCH REPORTED MULTIPLE TREES DOWN ON ROAD IN THE PALMYRA COMMUNITY. SALEM RD AND SEVEN MILE FERRY RD. ALSO ALONG HWY 4813 AND BALL RD. |
| Sep 7, 11:53 PM CDT | TSTM WND DMG | 6 Ese Clarksville, TN | POWER LINES REPORTED DOWN BY 911 DISPATCH. 3724 ASHLAND CITY RD IN FREDONIA. ALSO DOWN ON EXCELL RD IN SAME 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 |
|---|---|---|---|
| Sep 7, 8:10 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 4.4 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
- 2335 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
056
WUUS54 KOHX 080424
SVROHX
TNC125-161-080515-
/O.NEW.KOHX.SV.W.0366.120908T0424Z-120908T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1124 PM CDT FRI SEP 7 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN STEWART COUNTY IN MIDDLE TENNESSEE...
MONTGOMERY COUNTY IN MIDDLE TENNESSEE...
* UNTIL 1215 AM CDT
* AT 1124 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THE STORM WAS NEAR DOVER...MOVING EAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
CLARKSVILLE...
FORT CAMPBELL...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. DO NOT
STAY OUTDOORS IF YOU ARE IN THE PATH OF SEVERE THUNDERSTORMS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM SATURDAY
MORNING FOR CENTRAL TENNESSEE.
&&
LAT...LON 3656 8714 3652 8711 3646 8713 3646 8712
3644 8715 3642 8715 3643 8718 3638 8724
3637 8771 3633 8778 3633 8785 3664 8784
3664 8711
TIME...MOT...LOC 0424Z 254DEG 45KT 3652 8765
$$
SHAMBURGER2 follow-up statements
973
WWUS54 KOHX 080445
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1145 PM CDT FRI SEP 7 2012
TNC161-080454-
/O.CAN.KOHX.SV.W.0366.000000T0000Z-120908T0515Z/
STEWART TN-
1145 PM CDT FRI SEP 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN STEWART COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3664 8711 3656 8714 3652 8711 3646 8713
3646 8712 3644 8715 3642 8715 3643 8718
3638 8725 3637 8759 3662 8764 3664 8763
TIME...MOT...LOC 0444Z 254DEG 45KT 3659 8735
$$
TNC125-080515-
/O.CON.KOHX.SV.W.0366.000000T0000Z-120908T0515Z/
MONTGOMERY TN-
1145 PM CDT FRI SEP 7 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MONTGOMERY
COUNTY UNTIL 1215 AM CDT...
AT 1144 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THIS STORM WAS LOCATED NEAR CLARKSVILLE...MOVING EAST AT 50
MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...FREQUENT CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS
ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3664 8711 3656 8714 3652 8711 3646 8713
3646 8712 3644 8715 3642 8715 3643 8718
3638 8725 3637 8759 3662 8764 3664 8763
TIME...MOT...LOC 0444Z 254DEG 45KT 3659 8735
$$
SHAMBURGER881
WWUS54 KOHX 080513
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1213 AM CDT SAT SEP 8 2012
TNC125-080523-
/O.EXP.KOHX.SV.W.0366.000000T0000Z-120908T0515Z/
MONTGOMERY TN-
1213 AM CDT SAT SEP 8 2012
...THE SEVERE THUNDERSTORM WARNING FOR MONTGOMERY COUNTY WILL EXPIRE
AT 1215 AM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.
LAT...LON 3664 8711 3656 8714 3652 8711 3646 8713
3646 8712 3644 8715 3642 8715 3643 8718
3638 8725 3637 8759 3662 8764 3664 8763
TIME...MOT...LOC 0513Z 254DEG 45KT 3669 8691
$$
ROSEThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 10:32 PM CDT | Severe Thunderstorm Warning | OHX | Benton, Houston, Humphreys, Montgomery, Stewart | 58 min |
| Sep 8, 12:01 AM CDT | Severe Thunderstorm Warning | OHX | Dickson, Hickman, Houston, Humphreys, Perry | 29 min |
| Sep 8, 12:28 AM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Dickson, Hickman, Williamson | 32 min |
| Sep 8, 1:00 AM CDT | Special Weather Statement | OHX | Davidson | 30 min |
| Sep 8, 1:28 AM CDT | Special Weather Statement | OHX | Macon, Trousdale, Wilson | 32 min |
| Sep 8, 2:01 AM CDT | Special Weather Statement | OHX | Clay, Jackson, Macon, Smith | 29 min |
| Sep 8, 2:29 AM CDT | Special Weather Statement | OHX | Clay, Jackson, Overton, Putnam | 31 min |
| Sep 8, 3:03 AM CDT | Special Weather Statement | OHX | Fentress, Overton, Pickett, Putnam | 42 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2012Every severe thunderstorm warning 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.