Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 356, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Aug 17, 2012, 12:05 AM CDT for 13 counties in Tennessee. It was in force for 40 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
- Aug 17, 2012, 12:05 AM CDT (05:05 UTC)
- Expired
- Aug 17, 2012, 12:45 AM CDT
- In force
- 40 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Bedford County, TN, Cannon County, TN, Coffee County, TN, Giles County, TN, Grundy County, TN, Lawrence County, TN, Lewis County, TN, Marshall County, TN, Maury County, TN, Perry County, TN, Rutherford County, TN, Warren County, TN, Wayne County, TN
The radar
The Northeast Alabama radar (KHTX), 67 km from the middle of the area, began a volume at 05:07 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 |
|---|---|---|---|
| Aug 17, 12:15 AM CDT | TSTM WND DMG | Tullahoma, TN | TREE BLOWN DOWN IN THE YARD OF A HOME IN TULLAHOMA. |
| Aug 17, 12:26 AM CDT | TSTM WND DMG | Pulaski, TN | ONE TREE DOWN IN PULASKI. |
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 00:00Z, 5.1 hours before the alert went out and 88 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
- 1468 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1539 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
700
WUUS54 KOHX 170505
SVROHX
TNC003-015-031-055-061-099-101-117-119-135-149-177-181-170545-
/O.NEW.KOHX.SV.W.0356.120817T0505Z-120817T0545Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1205 AM CDT FRI AUG 17 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN PERRY COUNTY...
SOUTHERN RUTHERFORD COUNTY...
SOUTHWESTERN WARREN COUNTY...
WAYNE COUNTY...
BEDFORD COUNTY...
CANNON COUNTY...
COFFEE COUNTY...
GILES COUNTY ...
GRUNDY COUNTY...
LAWRENCE COUNTY...
SOUTHERN LEWIS COUNTY...
MARSHALL COUNTY...
SOUTHERN MAURY COUNTY...
* UNTIL 1245 AM CDT
* AT 1202 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING ONE INCH DIAMETER
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS
EXTENDED FROM SMITHVILLE TO WOODBURY TO CHAPEL HILL...AND WERE
MOVING SOUTHEAST AT 50 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WOODBURY...WAYNESBORO...TULLAHOMA...SHELBYVILLE...PULASKI...MOUNT
PLEASANT...MANCHESTER...LORETTO...LEWISBURG...LAWRENCEBURG...
GRUETLI-LAAGER AND COLLINWOOD
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.
&&
LAT...LON 3500 8792 3541 8798 3546 8804 3554 8729
3590 8610 3541 8549 3532 8555 3537 8570
3528 8592 3535 8610 3533 8626 3539 8628
3541 8627 3532 8642 3536 8649 3537 8659
3526 8682 3499 8684
TIME...MOT...LOC 0504Z 317DEG 52KT 3592 8568 3575 8613
3563 8673
$$
FORECASTER:
112 follow-up statements
285
WWUS54 KOHX 170524
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1224 AM CDT FRI AUG 17 2012
TNC015-101-119-149-170532-
/O.CAN.KOHX.SV.W.0356.000000T0000Z-120817T0545Z/
RUTHERFORD TN-CANNON TN-LEWIS TN-MAURY TN-
1224 AM CDT FRI AUG 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MAURY...SOUTHERN
LEWIS...CANNON AND SOUTHERN RUTHERFORD COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED SOUTH OF
THE WARNED AREA. HOWEVER STRONG STORMS WITH CONTINUOUS LIGHTNING
REMAIN IN THE AREA.
LAT...LON 3500 8792 3546 8798 3549 8776 3540 8757
3544 8708 3541 8696 3567 8581 3541 8549
3532 8555 3537 8570 3528 8592 3536 8614
3533 8626 3540 8628 3541 8627 3532 8642
3537 8659 3526 8682 3499 8684
TIME...MOT...LOC 0522Z 315DEG 34KT 3542 8570 3515 8674
3510 8781
$$
TNC003-031-055-061-099-117-177-181-170545-
/O.CON.KOHX.SV.W.0356.000000T0000Z-120817T0545Z/
WARREN TN-WAYNE TN-BEDFORD TN-COFFEE TN-GILES TN-GRUNDY TN-
LAWRENCE TN-MARSHALL TN-
1224 AM CDT FRI AUG 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
MARSHALL...LAWRENCE...GRUNDY...GILES...COFFEE...SOUTHERN BEDFORD...
WAYNE AND SOUTHWESTERN WARREN COUNTIES UNTIL 1245 AM CDT...
AT 1219 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 7 MILES NORTHWEST OF GRUETLI-LAAGER...TO 12 MILES WEST OF
FAYETTEVILLE...TO 7 MILES SOUTHWEST OF COLLINWOOD...MOVING SOUTHEAST
AT 40 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
WIDESPREAD WIND DAMAGE HAS OCCURRED WITH THESE STORMS ACROSS MIDDLE
TENNESSEE!
SEVERE THUNDERSTORMS WILL BE NEAR...
GRUETLI-LAAGER AROUND 1230 AM CDT.
OTHER LOCATIONS IMPACTED BY SEVERE THUNDERSTORMS INCLUDE ST.
JOSEPH...MINOR HILL...IRON CITY...ELKTON...PALMER AND ARDMORE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THESE STORMS. 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 3500 8792 3546 8798 3549 8776 3540 8757
3544 8708 3541 8696 3567 8581 3541 8549
3532 8555 3537 8570 3528 8592 3536 8614
3533 8626 3540 8628 3541 8627 3532 8642
3537 8659 3526 8682 3499 8684
TIME...MOT...LOC 0522Z 315DEG 34KT 3542 8570 3515 8674
3510 8781
$$
AL728
WWUS54 KOHX 170545
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1245 AM CDT FRI AUG 17 2012
TNC003-031-055-061-099-117-177-181-170554-
/O.EXP.KOHX.SV.W.0356.000000T0000Z-120817T0545Z/
WARREN TN-WAYNE TN-BEDFORD TN-COFFEE TN-GILES TN-GRUNDY TN-
LAWRENCE TN-MARSHALL TN-
1245 AM CDT FRI AUG 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MARSHALL...
LAWRENCE...GRUNDY...GILES...COFFEE...SOUTHERN BEDFORD...WAYNE AND
SOUTHWESTERN WARREN COUNTIES WILL EXPIRE AT 1245 AM CDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THESE THUNDERSTORMS...AS WELL AS VIVID AND CONTINUOUS LIGHTNING.
TO REPORT SEVERE WEATHER SUCH AS TREES OR POWER LINES DOWN...CONTACT
YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE IN NASHVILLE.
LAT...LON 3500 8792 3546 8798 3549 8776 3540 8757
3544 8708 3541 8696 3567 8581 3541 8549
3532 8555 3537 8570 3528 8592 3536 8614
3533 8626 3540 8628 3541 8627 3532 8642
3537 8659 3526 8682 3499 8684
TIME...MOT...LOC 0544Z 315DEG 34KT 3527 8552 3500 8656
3496 8763
$$
ALThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 7:03 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Rutherford | 42 min |
| Aug 16, 8:10 PM CDT | Special Weather Statement | OHX | Benton, Houston, Stewart | 80 min |
| Aug 16, 8:21 PM CDT | Severe Thunderstorm Warning | OHX | Houston | 24 min |
| Aug 16, 8:31 PM CDT | Severe Thunderstorm Warning | OHX | Benton, Houston, Stewart | 59 min |
| Aug 16, 8:46 PM CDT | Severe Thunderstorm Warning | OHX | Benton, Houston, Humphreys | 44 min |
| Aug 16, 8:49 PM CDT | Severe Thunderstorm Warning | OHX | Dickson, Houston, Humphreys | 26 min |
| Aug 16, 9:18 PM CDT | Severe Thunderstorm Warning | OHX | Dickson, Houston, Humphreys, Montgomery, Stewart | 42 min |
| Aug 16, 9:29 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Dickson | 46 min |
| Aug 16, 9:33 PM CDT | Special Weather Statement | OHX | Houston | 57 min |
| Aug 16, 9:43 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Dickson, Montgomery, Robertson, Sumner | 47 min |
| Aug 16, 10:20 PM CDT | Special Weather Statement | OHX | Macon, Smith, Trousdale, Wilson | 40 min |
| Aug 16, 10:29 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Macon, Robertson, Rutherford, Smith, Sumner and 2 more | 46 min |
| Aug 16, 10:36 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Hickman, Marshall, Maury, Rutherford, Williamson | 54 min |
| Aug 16, 10:45 PM CDT | Severe Thunderstorm Warning | OHX | Hickman, Humphreys, Lewis, Maury, Perry | 45 min |
| Aug 16, 11:11 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Hickman, Marshall, Maury, Rutherford, Williamson | 49 min |
| Aug 16, 11:24 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Cannon, Coffee, Cumberland, DeKalb, Giles and 13 more | 36 min |
| Aug 16, 11:56 PM CDT | Special Weather Statement | OHX | DeKalb, Fentress, Overton, Putnam, White | 64 min |
| Aug 17, 12:47 AM CDT | Special Weather Statement | OHX | Giles, Lawrence, Wayne | 28 min |
| Aug 17, 1:23 AM CDT | Areal Flood Advisory | OHX | Giles, Lawrence, Wayne | 74 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; radar from the NEXRAD Level II archive.