Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 84, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Mar 17, 2012, 1:52 PM CDT for Cheatham County, Davidson County, Williamson County, Tennessee. It was in force for 38 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
- Mar 17, 2012, 1:52 PM CDT (18:52 UTC)
- Expired
- Mar 17, 2012, 2:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Cheatham County, TN, Davidson County, TN, Williamson County, TN
The radar
The Nashville radar (KOHX), 54 km from the middle of the area, began a volume at 18:51 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, 6.9 hours before the alert went out and 46 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
- 622 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 981 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
881
WUUS54 KOHX 171852
SVROHX
TNC021-037-187-171930-
/O.NEW.KOHX.SV.W.0084.120317T1852Z-120317T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
152 PM CDT SAT MAR 17 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN WILLIAMSON COUNTY IN MIDDLE TENNESSEE...
SOUTH CENTRAL CHEATHAM COUNTY IN MIDDLE TENNESSEE...
SOUTHWESTERN DAVIDSON COUNTY IN MIDDLE TENNESSEE...
* UNTIL 230 PM CDT
* AT 151 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS NEAR FAIRVIEW...
MOVING NORTHEAST AT 15 MPH.
* LOCATIONS IMPACTED INCLUDE...
FAIRVIEW...
KINGSTON SPRINGS...
PEGRAM...
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 3617 8696 3595 8681 3589 8721 3596 8720
3596 8721 3600 8719 3605 8718
TIME...MOT...LOC 1852Z 241DEG 12KT 3594 8717
$$
SHAMBURGER1 follow-up statement
826
WWUS54 KOHX 171906
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
206 PM CDT SAT MAR 17 2012
TNC021-171916-
/O.CAN.KOHX.SV.W.0084.000000T0000Z-120317T1930Z/
CHEATHAM TN-
206 PM CDT SAT MAR 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CHEATHAM COUNTY
IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NASHVILLE.
LAT...LON 3595 8681 3589 8721 3596 8720 3596 8721
3599 8719 3604 8706 3604 8704 3608 8704
3612 8693
TIME...MOT...LOC 1906Z 254DEG 16KT 3594 8702
$$
TNC037-187-171930-
/O.CON.KOHX.SV.W.0084.000000T0000Z-120317T1930Z/
WILLIAMSON TN-DAVIDSON TN-
206 PM CDT SAT MAR 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
DAVIDSON AND NORTHWESTERN WILLIAMSON COUNTIES UNTIL 230 PM CDT...
AT 201 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5
MILES SOUTHEAST OF FAIRVIEW...OR 12 MILES WEST OF FRANKLIN...MOVING
EAST AT 20 MPH.
THE SEVERE THUNDERSTORM WILL AFFECT FAIRVIEW AND LEIPERS FORK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NASHVILLE.
&&
LAT...LON 3595 8681 3589 8721 3596 8720 3596 8721
3599 8719 3604 8706 3604 8704 3608 8704
3612 8693
TIME...MOT...LOC 1906Z 254DEG 16KT 3594 8702
$$
SHAMBURGERThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 1:08 PM CDT | Special Weather Statement | OHX | Maury | 67 min |
| Mar 17, 1:43 PM CDT | Special Weather Statement | OHX | Cheatham | 32 min |
| Mar 17, 1:48 PM CDT | Special Weather Statement | OHX | Williamson | 27 min |
| Mar 17, 1:58 PM CDT | Special Weather Statement | OHX | Rutherford | 47 min |
| Mar 17, 2:03 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Robertson | 27 min |
| Mar 17, 2:22 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Robertson, Sumner, Wilson | 38 min |
| Mar 17, 3:04 PM CDT | Special Weather Statement | OHX | Sumner, Trousdale | 41 min |
| Mar 17, 3:34 PM CDT | Special Weather Statement | OHX | Cheatham | 56 min |
| Mar 17, 3:35 PM CDT | Special Weather Statement | OHX | Sumner | 25 min |
| Mar 17, 3:38 PM CDT | Special Weather Statement | OHX | Bedford | 37 min |
| Mar 17, 3:52 PM CDT | Areal Flood Advisory | OHX | Williamson | 113 min |
| Mar 17, 4:11 PM CDT | Special Weather Statement | OHX | Putnam | 34 min |
| Mar 17, 4:18 PM CDT | Special Weather Statement | OHX | Coffee | 27 min |
| Mar 17, 6:53 PM CDT | Special Weather Statement | OHX | Wilson | 22 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.