Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 113, NWS Nashville, TN

April 5, 2012Benton County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 5, 2012, 2:02 PM CDT for Benton County, Tennessee. It was in force for 28 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: Apr 5, 2012, 2:02 PM CDT (19:02 UTC)
Expired: Apr 5, 2012, 2:30 PM CDT
In force: 28 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

County Benton County, TN

What was reported inside it

Time	Report	Where	Remark
Apr 5, 2:15 PM CDT	HAIL 0.5	3 W Birdsong Marina, TN

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
Apr 5, 1:21 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.0 hours before the alert went out and 135 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: 670 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 805 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

099 
WUUS54 KOHX 051902
SVROHX
TNC005-051930-
/O.NEW.KOHX.SV.W.0113.120405T1902Z-120405T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
202 PM CDT THU APR 5 2012

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BENTON COUNTY IN MIDDLE TENNESSEE...

* UNTIL 230 PM CDT

* AT 201 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 BIRDSONG
  MARINA...MOVING NORTH AT 10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE CAMDEN

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM THURSDAY
EVENING FOR CENTRAL TENNESSEE.

&&

LAT...LON 3608 8821 3606 8797 3603 8800 3600 8800
      3598 8802 3594 8801 3585 8803 3583 8809
      3584 8816 3589 8822
TIME...MOT...LOC 1902Z 196DEG 9KT 3590 8809

$$

TB12

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 12:48 PM CDT	Special Weather Statement	OHX	Stewart	42 min
Apr 5, 1:05 PM CDT	Special Weather Statement	OHX	Cheatham, Dickson	40 min
Apr 5, 1:13 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Williamson	29 min
Apr 5, 1:24 PM CDT	Special Weather Statement	OHX	Giles, Marshall, Maury	66 min
Apr 5, 1:37 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	18 min
Apr 5, 1:53 PM CDT	Special Weather Statement	OHX	Cheatham, Dickson, Houston, Stewart	67 min
Apr 5, 2:14 PM CDT	Special Weather Statement	OHX	Rutherford	61 min
Apr 5, 2:23 PM CDT	Special Weather Statement	OHX	Houston	37 min
Apr 5, 2:28 PM CDT	Special Weather Statement	OHX	Williamson	47 min
Apr 5, 2:32 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Davidson, Marshall, Rutherford, Williamson	28 min
Apr 5, 2:36 PM CDT	Severe Thunderstorm Warning	OHX	Houston, Humphreys, Stewart	39 min
Apr 5, 2:48 PM CDT	Special Weather Statement	OHX	Hickman	42 min
Apr 5, 3:07 PM CDT	Special Weather Statement	OHX	Montgomery	23 min
Apr 5, 3:15 PM CDT	Special Weather Statement	OHX	Houston	45 min
Apr 5, 3:17 PM CDT	Special Weather Statement	OHX	Rutherford, Williamson	43 min
Apr 5, 3:24 PM CDT	Areal Flood Advisory	OHX	Williamson	3 hr
Apr 5, 3:53 PM CDT	Special Weather Statement	OHX	Cannon, Davidson, Rutherford, Williamson, Wilson	52 min
Apr 5, 3:59 PM CDT	Special Weather Statement	OHX	Cumberland	31 min
Apr 5, 4:29 PM CDT	Special Weather Statement	OHX	Cumberland	31 min
Apr 5, 5:00 PM CDT	Special Weather Statement	OHX	Cumberland
Apr 5, 5:02 PM CDT	Areal Flood Advisory	OHX	Cumberland	3 hr
Apr 5, 5:05 PM CDT	Special Weather Statement	OHX	Cumberland	25 min
Apr 5, 5:18 PM CDT	Areal Flood Advisory	OHX	Davidson	3 hr

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.