Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 3, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Jan 21, 2012, 3:50 AM CST for Giles County, Lawrence County, Wayne County, Tennessee. It was in force for 25 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
- Jan 21, 2012, 3:50 AM CST (09:50 UTC)
- Expired
- Jan 21, 2012, 4:15 AM CST
- In force
- 25 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Giles County, TN, Lawrence County, TN, Wayne County, TN
The radar
The Northeast Alabama radar (KHTX), 107 km from the middle of the area, began a volume at 09:53 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 21, 4:24 AM CST | HAIL 0.88 | 10 S Pulaski, TN | TRAINED SPOTTER REPORTED NICKEL SIZED HAIL 10 S PULASKI. HAIL WAS ONGOING DURING REPORT. |
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 20, 10:35 PM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 9.8 hours before the alert went out and 132 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
- 550 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 385 m²/s²
- 0-3 km storm-relative helicity
- 504 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
083
WUUS54 KOHX 210950
SVROHX
TNC055-099-181-211015-
/O.NEW.KOHX.SV.W.0003.120121T0950Z-120121T1015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
350 AM CST SAT JAN 21 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN WAYNE COUNTY IN MIDDLE TENNESSEE...
SOUTHERN GILES COUNTY IN MIDDLE TENNESSEE...
SOUTHERN LAWRENCE COUNTY IN MIDDLE TENNESSEE...
* UNTIL 415 AM CST
* AT 349 AM CST 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 IRON CITY...
MOVING EAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
LORETTO...
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 TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM SATURDAY MORNING FOR
CENTRAL TENNESSEE.
&&
LAT...LON 3500 8769 3513 8771 3528 8685 3506 8682
3501 8683 3499 8714
TIME...MOT...LOC 0950Z 261DEG 29KT 3505 8758
$$
FORECASTER:BOYD1 follow-up statement
522
WWUS54 KOHX 210958
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
358 AM CST SAT JAN 21 2012
TNC181-211008-
/O.CAN.KOHX.SV.W.0003.000000T0000Z-120121T1015Z/
WAYNE TN-
358 AM CST SAT JAN 21 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WAYNE COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3501 8758 3514 8759 3528 8685 3506 8682
3501 8683 3499 8714
TIME...MOT...LOC 0958Z 261DEG 29KT 3506 8750
$$
TNC055-099-211015-
/O.CON.KOHX.SV.W.0003.000000T0000Z-120121T1015Z/
GILES TN-LAWRENCE TN-
358 AM CST SAT JAN 21 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
LAWRENCE AND SOUTHERN GILES COUNTIES UNTIL 415 AM CST...
AT 353 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES
WEST OF LORETTO...OR 18 MILES SOUTHWEST OF LAWRENCEBURG...MOVING EAST
AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
PULASKI...LORETTO...MINOR HILL AND ELKTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 3501 8758 3514 8759 3528 8685 3506 8682
3501 8683 3499 8714
TIME...MOT...LOC 0958Z 261DEG 29KT 3506 8750
$$
BOYDThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 12:40 AM CST | Tornado Warning | OHX | Hickman, Lewis, Maury, Williamson | 35 min |
| Jan 21, 2:29 AM CST | Special Weather Statement | OHX | Cannon | 31 min |
| Jan 21, 3:17 AM CST | Special Weather Statement | OHX | Cannon | 58 min |
| Jan 21, 3:38 AM CST | Special Weather Statement | OHX | Wayne | 52 min |
| Jan 21, 4:15 AM CST | Severe Thunderstorm Warning | OHX | Giles, Lawrence | 33 min |
| Jan 21, 3:50 PM CST | Wind Advisory | OHX | Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more | 36 hr |
| Jan 21, 5:02 PM CST | Dense Fog Advisory | OHX | Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more | 19 hr |
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.