Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 367, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Sep 8, 2012, 12:01 AM CDT for 5 counties in Tennessee. It was in force for 29 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 8, 2012, 12:01 AM CDT (05:01 UTC)
- Expired
- Sep 8, 2012, 12:30 AM CDT
- In force
- 29 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Dickson County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Perry County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 8, 12:25 AM CDT | TSTM WND DMG | 4 Wsw Dickson, TN | DEPUTY FOUND LARGE TREE LIMB DOWN BLOCKING ROADWAY |
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, 5.0 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
- 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.
854
WUUS54 KOHX 080501
SVROHX
TNC043-081-083-085-135-080530-
/O.NEW.KOHX.SV.W.0367.120908T0501Z-120908T0530Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1201 AM CDT SAT SEP 8 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN PERRY COUNTY IN MIDDLE TENNESSEE...
DICKSON COUNTY IN MIDDLE TENNESSEE...
NORTHERN HICKMAN COUNTY IN MIDDLE TENNESSEE...
SOUTHERN HOUSTON COUNTY IN MIDDLE TENNESSEE...
HUMPHREYS COUNTY IN MIDDLE TENNESSEE...
* UNTIL 1230 AM CDT
* AT 1157 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH. THESE SEVERE STORMS EXTENDED FROM 10 MILES
NORTHWEST OF WAVERLY...TO WAVERLY...TO LOBELVILLE...AND WERE
MOVING EAST AT 55 MPH.
* LOCATIONS IMPACTED INCLUDE...
DICKSON...
BURNS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
VERY HEAVY RAIN WILL ALSO OCCUR WITH THIS LINE OF SEVERE
THUNDERSTORMS...WHICH COULD FLOOD LOW LYING AREAS QUICKLY AND COVER
ROADS WITH WATER. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD.
&&
LAT...LON 3626 8734 3599 8720 3575 8739 3575 8798
3600 8780 3626 8794
TIME...MOT...LOC 0501Z 270DEG 46KT 3618 8776 3600 8766
3583 8779
$$
FORECASTER: ROSE1 follow-up statement
503
WWUS54 KOHX 080523
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1223 AM CDT SAT SEP 8 2012
TNC043-081-083-085-135-080530-
/O.CON.KOHX.SV.W.0367.000000T0000Z-120908T0530Z/
PERRY TN-DICKSON TN-HICKMAN TN-HOUSTON TN-HUMPHREYS TN-
1223 AM CDT SAT SEP 8 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR HUMPHREYS...
SOUTHERN HOUSTON...NORTHERN HICKMAN...DICKSON AND NORTHERN PERRY
COUNTIES UNTIL 1230 AM CDT...
AT 1220 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES NORTHWEST OF DICKSON TO BURNS TO
CENTERVILLE...MOVING EAST AT 55 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 3626 8734 3599 8720 3575 8739 3575 8798
3600 8780 3626 8794
TIME...MOT...LOC 0523Z 270DEG 46KT 3618 8741 3600 8731
3583 8744
$$
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 7, 11:24 PM CDT | Severe Thunderstorm Warning | OHX | Montgomery, Stewart | 51 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.