Alert archive / Tennessee / Tornado Warnings in 2011
Tornado Warning 19, NWS Huntsville, AL
NWS Huntsville, AL issued this tornado warning at Mar 23, 2011, 7:23 PM CDT for Franklin County, Moore County, Tennessee. It was in force for 37 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
- Mar 23, 2011, 7:23 PM CDT (00:23 UTC)
- Expired
- Mar 23, 2011, 8:00 PM CDT
- In force
- 37 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
Counties Franklin County, TN, Moore County, TN
The radar
The Northeast Alabama radar (KHTX), 52 km from the middle of the area, began a volume at 00:23 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.
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 23, 4:06 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 0.4 hours before the alert went out and 89 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
- 239 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 900 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
116
WFUS54 KHUN 240023
TORHUN
TNC051-127-240100-
/O.NEW.KHUN.TO.W.0019.110324T0023Z-110324T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
723 PM CDT WED MAR 23 2011
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN FRANKLIN COUNTY IN TENNESSEE...
NORTHERN MOORE COUNTY IN TENNESSEE...
* UNTIL 800 PM CDT
* AT 723 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES
NORTHWEST OF OAK GROVE...OR ABOUT NEAR SHELBYVILLE...MOVING EAST AT
50 MPH.
* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
OAK GROVE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT OR STORM
SHELTER. 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.
&&
LAT...LON 3541 8625 3540 8626 3539 8624 3537 8627
3535 8619 3537 8615 3536 8611 3522 8618
3536 8652 3537 8651 3537 8648 3533 8644
3538 8633 3543 8627
TIME...MOT...LOC 0023Z 281DEG 41KT 3543 8644
$$
KULA2 follow-up statements
828
WWUS54 KHUN 240035
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
735 PM CDT WED MAR 23 2011
TNC051-127-240100-
/O.CON.KHUN.TO.W.0019.000000T0000Z-110324T0100Z/
MOORE TN-FRANKLIN TN-
735 PM CDT WED MAR 23 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHWESTERN FRANKLIN AND NORTHERN MOORE COUNTIES...
AT 734 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 11 MILES NORTHWEST OF
OAK GROVE...OR ABOUT 6 MILES SOUTHEAST OF SHELBYVILLE...MOVING EAST
SOUTHEAST AT 45 MPH.
TULLAHOMA AND OAK GROVE ARE IN THE PATH OF THIS PROBABLE TORNADO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 3541 8625 3540 8626 3539 8624 3537 8627
3535 8619 3537 8615 3536 8611 3522 8618
3533 8644 3538 8633 3543 8627
TIME...MOT...LOC 0034Z 289DEG 37KT 3540 8634
$$
KULA297
WWUS54 KHUN 240055
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
755 PM CDT WED MAR 23 2011
TNC051-127-240105-
/O.EXP.KHUN.TO.W.0019.000000T0000Z-110324T0100Z/
MOORE TN-FRANKLIN TN-
755 PM CDT WED MAR 23 2011
...THE TORNADO WARNING FOR NORTHWESTERN FRANKLIN AND NORTHERN MOORE
COUNTIES EXPIRES AT 800 PM CDT...
DOPPLER RADAR INDICATES THE TORNADIC THUNDERSTORM THAT PROMPTED THE
WARNING HAS MOVED OUT OF THE WARNED AREA. THEREFORE THE TORNADO
WARNING HAS BEEN ALLOWED TO EXPIRE.
HEAVY RAIN...SMALL HAIL...GUSTY WINDS...AND LIGHTNING ARE STILL
POSSIBLE FROM THIS THUNDERSTORM. STAY INDOORS UNTIL THE STORM HAS
PASSED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHERN ALABAMA AND CENTRAL TENNESSEE.
LAT...LON 3541 8625 3540 8626 3539 8624 3537 8627
3535 8619 3537 8615 3536 8611 3522 8618
3533 8644 3538 8633 3543 8627
TIME...MOT...LOC 0055Z 289DEG 37KT 3533 8609
$$
KULAThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 7:09 PM CDT | Special Weather Statement | HUN | Franklin, Lincoln, Moore | 81 min |
| Mar 23, 7:20 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln | 25 min |
| Mar 23, 7:28 PM CDT | Tornado Warning | HUN | Lincoln | 47 min |
| Mar 23, 8:00 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln | 30 min |
| Mar 23, 8:04 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lincoln | 41 min |
Nearby
Tornado Warnings in Tennessee, 2011Every tornado warning in 2011Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.