Alert archive / Tennessee / Tornado Warnings in 2009

Tornado Warning 85, NWS Nashville, TN

June 15, 2009Wayne County, Tennessee

NWS Nashville, TN issued this tornado warning at Jun 15, 2009, 5:45 PM CDT for Wayne County, Tennessee. It was in force for 30 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: Jun 15, 2009, 5:45 PM CDT (22:45 UTC)
Expired: Jun 15, 2009, 6:15 PM CDT
In force: 30 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

County Wayne County, TN

The radar

The Northeast Alabama radar (KHTX), 150 km from the middle of the area, began a volume at 22:48 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
Jun 15, 5:50 PM CDT	TSTM WND DMG	Collinwood, TN	FEW 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
Jun 15, 5:35 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.8 hours before the alert went out and 147 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: 1321 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 700 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOHX 152245
TOROHX
TNC181-152315-
/O.NEW.KOHX.TO.W.0085.090615T2245Z-090615T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
545 PM CDT MON JUN 15 2009

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL WAYNE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 615 PM CDT

* AT 543 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  COLLINWOOD...OR 9 MILES SOUTH OF WAYNESBORO...MOVING SOUTHEAST 
  AT 15 MPH. THIS STORM HAS A HISTORY OF PRODUCING A ROTATING WALL 
  CLOUD AND LARGE HAIL.

* THE TORNADO WILL BE NEAR...
  RURAL EASTERN WAYNE COUNTY AT 600 PM CDT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO 
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE 
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. IF IN 
MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A 
SUBSTANTIAL SHELTER. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT
TUESDAY MORNING FOR CENTRAL TENNESSEE.

&&

LAT...LON 3515 8789 3528 8783 3518 8757 3517 8759
      3516 8758 3505 8763
TIME...MOT...LOC 2244Z 299DEG 14KT 3519 8774

$$

LAROSA

1 follow-up statement

000 
WWUS54 KOHX 152303
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
603 PM CDT MON JUN 15 2009

TNC181-152315-
/O.CON.KOHX.TO.W.0085.000000T0000Z-090615T2315Z/
WAYNE TN-
603 PM CDT MON JUN 15 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
WAYNE COUNTY...

AT 602 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  
THIS STORM WAS LOCATED NEAR COLLINWOOD...OR 13 MILES SOUTHEAST OF 
WAYNESBORO...MOVING SOUTHEAST AT 15 MPH. THIS STORM HAS A HISTORY OF 
PRODUCING LARGE HAIL AND A ROTATING WALL CLOUD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO 
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE 
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. IF IN 
MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A 
SUBSTANTIAL SHELTER. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT
TUESDAY MORNING FOR CENTRAL TENNESSEE.

&&

LAT...LON 3515 8789 3528 8783 3518 8757 3517 8759
      3516 8758 3505 8763
TIME...MOT...LOC 2303Z 299DEG 14KT 3515 8766

$$

LAROSA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 1:55 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	35 min
Jun 15, 4:17 PM CDT	Tornado Warning	OHX	Perry, Wayne	43 min
Jun 15, 4:57 PM CDT	Tornado Warning	OHX	Wayne	33 min
Jun 15, 5:22 PM CDT	Tornado Warning	OHX	Lawrence, Wayne	23 min
Jun 15, 5:26 PM CDT	Tornado Warning	OHX	Wayne	34 min
Jun 15, 5:36 PM CDT	Flash Flood Warning	OHX	Lawrence, Wayne	114 min
Jun 15, 5:40 PM CDT	Tornado Warning	OHX	Lawrence, Wayne	35 min
Jun 15, 6:11 PM CDT	Tornado Warning	OHX	Lawrence	34 min
Jun 15, 6:57 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	17 min

Nearby

Tornado Warnings in Tennessee, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.