Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 33, NWS Nashville, TN

March 2, 2012Benton County, Dickson County, Humphreys County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 2, 2012, 2:46 PM CST for Benton County, Dickson County, Humphreys County, Tennessee. It was in force for 44 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: Mar 2, 2012, 2:46 PM CST (20:46 UTC)
Expired: Mar 2, 2012, 3:30 PM CST
In force: 44 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Benton County, TN, Dickson County, TN, Humphreys County, TN

What was reported inside it

Time	Report	Where	Remark
Mar 2, 3:13 PM CST	TSTM WND DMG	8 S Waverly, TN	ROOF BLOWN OFF A BARN AND SEVERAL TREES DOWN.

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
Mar 2, 1:20 PM CST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.8 hours before the alert went out and 111 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.

361 
WUUS54 KOHX 022046
SVROHX
TNC005-043-085-022130-
/O.NEW.KOHX.SV.W.0033.120302T2046Z-120302T2130Z/

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

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME WEST CENTRAL DICKSON COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN BENTON COUNTY IN MIDDLE TENNESSEE...
  HUMPHREYS COUNTY IN MIDDLE TENNESSEE...

* UNTIL 330 PM CST

* AT 245 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. THE STORM WAS NEAR BUENA
  VISTA...MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CAMDEN...
  NEW JOHNSONVILLE...
  WAVERLY...
  MCEWEN...

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 3624 8778 3620 8766 3620 8759 3618 8756
      3613 8754 3597 8753 3591 8770 3584 8772
      3584 8782 3581 8786 3584 8796 3581 8797
      3581 8802 3585 8805 3584 8820 3611 8821
TIME...MOT...LOC 2046Z 252DEG 47KT 3594 8825

$$

SHAMBURGER

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, 2:52 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, 5:26 PM CST	Severe Thunderstorm Warning	OHX	Lawrence, Lewis, Perry, Wayne	34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.