Alert archive / Tennessee / Tornado Warnings in 2011

Tornado Warning 13, NWS Nashville, TN

February 24, 20118 counties in Tennessee

NWS Nashville, TN issued this tornado warning at Feb 24, 2011, 10:39 PM CST for 8 counties in Tennessee. It was in force for 36 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: Feb 24, 2011, 10:39 PM CST (04:39 UTC)
Expired: Feb 24, 2011, 11:15 PM CST
In force: 36 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Clay County, TN, Fentress County, TN, Jackson County, TN, Macon County, TN, Overton County, TN, Pickett County, TN, Smith County, TN, Trousdale County, TN

The radar

The Nashville radar (KOHX), 112 km from the middle of the area, began a volume at 04:43 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
Feb 24, 7:41 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.7 hours before the alert went out and 119 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: 17 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 538 m²/s²
0-3 km storm-relative helicity: 629 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

502 
WFUS54 KOHX 250439
TOROHX
TNC027-049-087-111-133-137-159-169-250515-
/O.NEW.KOHX.TO.W.0013.110225T0439Z-110225T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1039 PM CST THU FEB 24 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  CLAY COUNTY IN MIDDLE TENNESSEE...
  NORTHERN FENTRESS COUNTY IN MIDDLE TENNESSEE...
  JACKSON COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN MACON COUNTY IN MIDDLE TENNESSEE...
  NORTHERN OVERTON COUNTY IN MIDDLE TENNESSEE...
  PICKETT COUNTY IN MIDDLE TENNESSEE...
  NORTHERN SMITH COUNTY IN MIDDLE TENNESSEE...
  EAST CENTRAL TROUSDALE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 1115 PM CST

* AT 1037 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 6 MILES NORTH OF CARTHAGE...AND MOVING NORTHEAST
  AT 70 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GAINESBORO...CELINA...LIVINGSTON...BYRDSTOWN AND JAMESTOWN.

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 3623 8606 3638 8611 3664 8534 3663 8497
      3661 8478 3647 8469 3645 8469
TIME...MOT...LOC 0439Z 244DEG 59KT 3636 8593

$$

BOYD

1 follow-up statement

012 
WWUS54 KOHX 250454
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1054 PM CST THU FEB 24 2011

TNC111-159-169-250504-
/O.CAN.KOHX.TO.W.0013.000000T0000Z-110225T0515Z/
SMITH TN-TROUSDALE TN-MACON TN-
1054 PM CST THU FEB 24 2011

...THE TORNADO WARNING FOR SOUTHEASTERN MACON...EAST CENTRAL
TROUSDALE AND NORTHERN SMITH COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3630 8572 3647 8581 3664 8534 3663 8497
      3661 8478 3647 8469 3645 8469
TIME...MOT...LOC 0454Z 247DEG 58KT 3640 8566

$$

TNC027-049-087-133-137-250515-
/O.CON.KOHX.TO.W.0013.000000T0000Z-110225T0515Z/
JACKSON TN-OVERTON TN-FENTRESS TN-PICKETT TN-CLAY TN-
1054 PM CST THU FEB 24 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CLAY...PICKETT...NORTHERN
FENTRESS...NORTHERN OVERTON AND NORTHERN JACKSON COUNTIES UNTIL 1115
PM CST...

AT 1052 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED NEAR GAINESBORO...MOVING NORTHEAST AT 65 MPH. THIS 
STORM HAS A HISTORY OF PRODUCING DAMAGE.

LOCATIONS IMPACTED INCLUDE...
  CELINA...LIVINGSTON...BYRDSTOWN AND JAMESTOWN.

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 3630 8572 3647 8581 3664 8534 3663 8497
      3661 8478 3647 8469 3645 8469
TIME...MOT...LOC 0454Z 247DEG 58KT 3640 8566

$$

LAROSA

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 24, 7:22 PM CST	Tornado Warning	OHX	Stewart	24 min
Feb 24, 8:24 PM CST	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys, Stewart	36 min
Feb 24, 8:30 PM CST	Tornado Warning	OHX	Perry	30 min
Feb 24, 8:30 PM CST	Tornado Warning	OHX	Benton, Houston, Humphreys, Stewart	30 min
Feb 24, 8:54 PM CST	Tornado Warning	OHX	Hickman	36 min
Feb 24, 8:58 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Houston, Humphreys, Montgomery and 2 more	63 min
Feb 24, 9:00 PM CST	Severe Thunderstorm Warning	OHX	Lewis, Wayne	45 min
Feb 24, 9:00 PM CST	Tornado Warning	OHX	Cheatham, Dickson, Houston, Humphreys, Montgomery	30 min
Feb 24, 9:12 PM CST	Tornado Warning	OHX	Dickson, Humphreys	33 min
Feb 24, 9:20 PM CST	Tornado Warning	OHX	Montgomery, Robertson, Sumner	25 min
Feb 24, 9:26 PM CST	Severe Thunderstorm Warning	OHX	Maury, Williamson	34 min
Feb 24, 9:30 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Macon, Montgomery, Robertson and 3 more	60 min
Feb 24, 9:34 PM CST	Tornado Warning	OHX	Cheatham, Davidson, Williamson	26 min
Feb 24, 9:46 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Maury, Rutherford, Williamson	59 min
Feb 24, 9:58 PM CST	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Lewis, Wayne	62 min
Feb 24, 10:02 PM CST	Tornado Warning Emergency	OHX	Davidson, Rutherford, Wilson	28 min
Feb 24, 10:08 PM CST	Tornado Warning	OHX	Davidson, Macon, Smith, Sumner, Trousdale, Wilson	37 min
Feb 24, 10:17 PM CST	Tornado Warning	OHX	Macon, Sumner, Trousdale	43 min
Feb 24, 10:26 PM CST	Severe Thunderstorm Warning	OHX	Clay, Fentress, Jackson, Macon, Overton, Pickett and 5 more	79 min
Feb 24, 10:27 PM CST	Flash Flood Warning	OHX	Stewart	3 hr
Feb 24, 10:36 PM CST	Tornado Warning	OHX	Clay, Jackson, Macon	24 min
Feb 24, 10:37 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Marshall, Maury, Rutherford	23 min
Feb 24, 10:45 PM CST	Severe Thunderstorm Warning	OHX	DeKalb	30 min
Feb 24, 11:03 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Marshall, Rutherford, Warren	42 min
Feb 24, 11:14 PM CST	Severe Thunderstorm Warning	OHX	DeKalb, White	31 min
Feb 24, 11:31 PM CST	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Van Buren, Warren	44 min
Feb 24, 11:34 PM CST	Severe Thunderstorm Warning	OHX	Cumberland	41 min
Feb 24, 11:40 PM CST	Severe Thunderstorm Warning	OHX	White	35 min
Feb 24, 11:40 PM CST	Severe Thunderstorm Warning	OHX	Fentress, Overton, Pickett, Putnam	50 min
Feb 25, 12:07 AM CST	Severe Thunderstorm Warning	OHX	Cumberland	23 min
Feb 25, 1:25 AM CST	River Flood Warning	OHX	Bedford	6 days

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.