Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 49, NWS Nashville, TN

April 25, 2011Benton County, Houston County, Stewart County, Tennessee

NWS Nashville, TN issued this tornado warning at Apr 25, 2011, 3:14 PM CDT for Benton County, Houston County, Stewart County, Tennessee. It was in force for 31 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 25, 2011, 3:14 PM CDT (20:14 UTC)
Expired: Apr 25, 2011, 3:45 PM CDT
In force: 31 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Benton County, TN, Houston County, TN, Stewart County, TN

What was reported inside it

Time	Report	Where	Remark
Apr 25, 3:43 PM CDT	TSTM WND DMG	6 Ne Dover, TN	A COUPLE TREES WERE BLOWN 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
Apr 25, 2:29 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.2 hours before the alert went out and 129 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: 73 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 1101 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

043 
WFUS54 KOHX 252014
TOROHX
TNC005-083-161-252045-
/O.NEW.KOHX.TO.W.0049.110425T2014Z-110425T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
314 PM CDT MON APR 25 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL BENTON COUNTY IN MIDDLE TENNESSEE...
  NORTHWESTERN HOUSTON COUNTY IN MIDDLE TENNESSEE...
  STEWART COUNTY IN MIDDLE TENNESSEE...

* UNTIL 345 PM CDT

* AT 311 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 10 MILES NORTHEAST OF SPRINGVILLE...OR 14 MILES
  SOUTHWEST OF DOVER...AND MOVING NORTHEAST AT 40 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  DOVER AROUND 330 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3667 8787 3665 8785 3665 8770 3631 8775
      3628 8810 3637 8809 3637 8800 3643 8805
      3658 8805 3665 8807 3668 8807
TIME...MOT...LOC 2014Z 220DEG 40KT 3638 8801

$$

07

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 4:43 AM CDT	Flash Flood Watch	OHX	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more	64 hr
Apr 25, 7:18 AM CDT	Areal Flood Advisory	OHX	Benton, Houston, Montgomery, Stewart	3 hr
Apr 25, 2:48 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys, Stewart	57 min
Apr 25, 3:37 PM CDT	Tornado Warning	OHX	Montgomery, Stewart	23 min
Apr 25, 3:48 PM CDT	River Flood Watch	OHX	Montgomery	70 hr
Apr 25, 3:48 PM CDT	River Flood Watch	OHX	Cheatham	70 hr
Apr 25, 3:48 PM CDT	River Flood Watch	OHX	Davidson, Williamson	70 hr
Apr 25, 3:48 PM CDT	River Flood Watch	OHX	Montgomery, Robertson	70 hr

Nearby

Tornado Warnings in Tennessee, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.