Alert archive / Tennessee / Tornado Warnings in 2009
Tornado Warning 91, NWS Nashville, TN
NWS Nashville, TN issued this tornado warning at Jun 17, 2009, 7:46 PM CDT for Cheatham County, Montgomery County, Robertson County, Tennessee. It was in force for 29 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
- Jun 17, 2009, 7:46 PM CDT (00:46 UTC)
- Expired
- Jun 17, 2009, 8:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Cheatham County, TN, Montgomery County, TN, Robertson County, TN
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 17, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 0.8 hours before the alert went out and 57 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.
- Mixed-layer CAPE
- 3707 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1041 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KOHX 180046
TOROHX
TNC021-125-147-180115-
/O.NEW.KOHX.TO.W.0091.090618T0046Z-090618T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
746 PM CDT WED JUN 17 2009
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN CHEATHAM COUNTY IN MIDDLE TENNESSEE...
EASTERN MONTGOMERY COUNTY IN MIDDLE TENNESSEE...
WESTERN ROBERTSON COUNTY IN MIDDLE TENNESSEE...
* UNTIL 815 PM CDT
* AT 741 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO SOUTH OF
GUTHRIE OR 9 MILES EAST OF CLARKSVILLE...MOVING SOUTHEAST AT 25
MPH.
* THE TORNADO WILL BE MOVING THROUGH...
RURAL AREAS OF EASTERN MONTGOMERY COUNTY
RURAL AREAS OF WESTERN ROBERTSON COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
WEDNESDAY EVENING FOR CENTRAL TENNESSEE.
&&
LAT...LON 3636 8692 3628 8713 3630 8713 3630 8715
3631 8716 3630 8719 3662 8733 3666 8722
3666 8710
TIME...MOT...LOC 0044Z 337DEG 20KT 3656 8718
$$
JLM1 follow-up statement
000
WWUS54 KOHX 180058
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
758 PM CDT WED JUN 17 2009
TNC021-125-147-180115-
/O.CON.KOHX.TO.W.0091.000000T0000Z-090618T0115Z/
CHEATHAM TN-MONTGOMERY TN-ROBERTSON TN-
758 PM CDT WED JUN 17 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR WESTERN
ROBERTSON...EASTERN MONTGOMERY AND NORTHERN CHEATHAM COUNTIES...
AT 757 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 9 MILES SOUTHWEST OF
ADAMS MOVING SOUTH AT 20 MPH.
THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
WEDNESDAY EVENING FOR CENTRAL TENNESSEE.
&&
LAT...LON 3636 8692 3628 8713 3630 8713 3630 8715
3631 8716 3630 8719 3662 8733 3666 8722
3666 8710
TIME...MOT...LOC 0058Z 347DEG 18KT 3649 8719
$$
JLMThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:12 PM CDT | Tornado Warning | OHX | Davidson, Robertson, Sumner | 33 min |
| Jun 17, 7:19 PM CDT | Tornado Warning | OHX | Montgomery, Robertson | 26 min |
| Jun 17, 8:09 PM CDT | Severe Thunderstorm Warning | OHX | Montgomery | 36 min |
| Jun 17, 8:17 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Dickson, Montgomery, Williamson | 28 min |
| Jun 17, 8:46 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson, Montgomery | 12 min |
| Jun 17, 10:11 PM CDT | Severe Thunderstorm Warning | OHX | Stewart | 34 min |
| Jun 17, 11:13 PM CDT | Severe Thunderstorm Warning | OHX | Montgomery, Stewart | 32 min |
| Jun 18, 12:00 AM CDT | Areal Flood Advisory | OHX | Stewart | 3 hr |
| Jun 18, 12:01 PM CDT | Severe Thunderstorm Warning | OHX | Fentress, Pickett | 29 min |
| Jun 18, 12:15 PM CDT | Severe Thunderstorm Warning | OHX | Clay, Fentress, Overton, Pickett | 30 min |
Nearby
Tornado Warnings in Tennessee, 2009Every tornado warning in 2009Tornadoes 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; the sounding from the Mesonet's radiosonde archive.