Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 38, NWS Nashville, TN

March 2, 20124 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 2, 2012, 5:26 PM CST for 4 counties in Tennessee. It was in force for 34 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 2, 2012, 5:26 PM CST (23:26 UTC)
Expired: Mar 2, 2012, 6:00 PM CST
In force: 34 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Lawrence County, TN, Lewis County, TN, Perry County, TN, Wayne County, TN

The radar

The Nashville radar (KOHX), 138 km from the middle of the area, began a volume at 23:25 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 2, 1:20 PM CST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.4 hours before the alert went out and 126 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1667 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

308 
WUUS54 KOHX 022326
SVROHX
TNC099-101-135-181-030000-
/O.NEW.KOHX.SV.W.0038.120302T2326Z-120303T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
526 PM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN PERRY COUNTY IN MIDDLE TENNESSEE...
  NORTHERN WAYNE COUNTY IN MIDDLE TENNESSEE...
  NORTHERN LAWRENCE COUNTY IN MIDDLE TENNESSEE...
  LEWIS COUNTY IN MIDDLE TENNESSEE...

* UNTIL 600 PM CST

* AT 525 PM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL...
  AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS NEAR
  WAYNESBORO...MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HOHENWALD...
  LAWRENCEBURG...

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 900 PM FRIDAY EVENING FOR
CENTRAL TENNESSEE.

&&

LAT...LON 3516 8781 3544 8795 3563 8755 3562 8746
      3521 8726
TIME...MOT...LOC 2326Z 257DEG 42KT 3530 8764

$$

FORECASTER:13

1 follow-up statement

039 
WWUS54 KOHX 022340
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
540 PM CST FRI MAR 2 2012

TNC099-101-135-181-030000-
/O.CON.KOHX.SV.W.0038.000000T0000Z-120303T0000Z/
PERRY TN-WAYNE TN-LAWRENCE TN-LEWIS TN-
540 PM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR LEWIS...
NORTHERN LAWRENCE...NORTHERN WAYNE AND SOUTHEASTERN PERRY COUNTIES
UNTIL 600 PM CST...

AT 539 PM 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 10 MILES
NORTHWEST OF LAWRENCEBURG...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  LAWRENCEBURG.

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 3516 8781 3544 8795 3563 8755 3562 8746
      3521 8726
TIME...MOT...LOC 2340Z 256DEG 40KT 3534 8746

$$

13

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 2, 4:00 AM CST	Wind Advisory	OHX	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more	17 hr
Mar 2, 5:05 AM CST	Severe Thunderstorm Warning	OHX	Benton, Humphreys	25 min
Mar 2, 5:42 AM CST	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Robertson	18 min
Mar 2, 6:00 AM CST	Special Weather Statement	OHX	Davidson	15 min
Mar 2, 6:33 AM CST	Special Weather Statement	OHX	Trousdale	12 min
Mar 2, 6:37 AM CST	Severe Thunderstorm Warning	OHX	Macon, Trousdale	23 min
Mar 2, 6:59 AM CST	Special Weather Statement	OHX	Clay, Macon	16 min
Mar 2, 8:25 AM CST	Special Weather Statement	OHX	Rutherford	20 min
Mar 2, 9:00 AM CST	Special Weather Statement	OHX	Giles	30 min
Mar 2, 9:05 AM CST	Severe Thunderstorm Warning	OHX	DeKalb, Jackson, Putnam, Smith, Wilson	10 min
Mar 2, 9:27 AM CST	Tornado Warning	OHX	DeKalb, Overton, Putnam, White	33 min
Mar 2, 9:51 AM CST	Tornado Warning	OHX	Coffee, Grundy, Warren	24 min
Mar 2, 9:58 AM CST	Tornado Warning	OHX	Fentress, Overton, Putnam	32 min
Mar 2, 10:12 AM CST	Tornado Warning	OHX	Coffee, Grundy, Van Buren, Warren	33 min
Mar 2, 11:12 AM CST	Flash Flood Watch	OHX	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more	10 hr
Mar 2, 1:36 PM CST	Special Weather Statement	OHX	Bedford, Cannon, Clay, Coffee, Cumberland, DeKalb and 12 more	54 min
Mar 2, 1:51 PM CST	Severe Thunderstorm Warning	OHX	Giles	24 min
Mar 2, 2:03 PM CST	Tornado Warning	OHX	Giles	27 min
Mar 2, 2:27 PM CST	Tornado Warning	OHX	Grundy	33 min
Mar 2, 2:29 PM CST	Severe Thunderstorm Warning	OHX	Giles	20 min
Mar 2, 2:34 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Coffee	26 min
Mar 2, 2:46 PM CST	Severe Thunderstorm Warning	OHX	Benton, Dickson, Humphreys	44 min
Mar 2, 2:52 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Rutherford, Warren	38 min
Mar 2, 3:01 PM CST	Tornado Warning	OHX	Benton, Dickson, Hickman, Humphreys	44 min
Mar 2, 3:22 PM CST	Tornado Warning	OHX	Grundy	23 min
Mar 2, 3:33 PM CST	Tornado Warning	OHX	Cheatham, Davidson, Dickson, Hickman, Williamson	42 min
Mar 2, 3:36 PM CST	Tornado Warning	OHX	Grundy	39 min
Mar 2, 3:38 PM CST	Severe Thunderstorm Warning	OHX	Benton, Hickman, Humphreys, Perry	37 min
Mar 2, 3:42 PM CST	Tornado Warning	OHX	Coffee, Grundy	32 min
Mar 2, 3:47 PM CST	Tornado Warning	OHX	Dickson, Hickman, Humphreys, Williamson	28 min
Mar 2, 3:58 PM CST	Tornado Warning	OHX	Wayne	32 min
Mar 2, 4:10 PM CST	Tornado Warning	OHX	Davidson, Rutherford, Williamson, Wilson	50 min
Mar 2, 4:18 PM CST	Tornado Warning	OHX	Lawrence, Wayne	27 min
Mar 2, 4:24 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Macon, Robertson, Sumner, Trousdale and 1 more	51 min
Mar 2, 4:40 PM CST	Tornado Warning	OHX	Giles, Lawrence, Wayne	35 min
Mar 2, 4:43 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Hickman, Robertson, Williamson	32 min
Mar 2, 4:43 PM CST	Tornado Warning	OHX	DeKalb, Jackson, Putnam, Smith, Trousdale, Wilson	32 min
Mar 2, 4:57 PM CST	Tornado Warning	OHX	Maury	33 min
Mar 2, 5:02 PM CST	Tornado Warning	OHX	Giles, Lawrence, Marshall, Maury	28 min
Mar 2, 5:13 PM CST	Tornado Warning	OHX	Clay, Fentress, Jackson, Overton, Pickett, Putnam and 1 more	47 min
Mar 2, 5:23 PM CST	Tornado Warning	OHX	Marshall, Maury, Williamson	21 min
Mar 2, 5:28 PM CST	Tornado Warning	OHX	Bedford, Marshall, Maury	23 min
Mar 2, 5:40 PM CST	Severe Thunderstorm Warning	OHX	Clay, Fentress, Jackson, Overton, Pickett	50 min
Mar 2, 5:41 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Rutherford	34 min
Mar 2, 5:44 PM CST	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Marshall, Maury	46 min
Mar 2, 5:47 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Rutherford	28 min
Mar 2, 5:54 PM CST	Tornado Warning Emergency	OHX	Fentress, Overton, Pickett	36 min
Mar 2, 5:59 PM CST	Tornado Warning	OHX	Giles, Lawrence, Marshall, Maury	31 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2012 Every 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.