Alert archive / Tennessee / Tornado Warnings in 2015

Tornado Warning 27, NWS Nashville, TN

December 23, 2015Rutherford County, Tennessee

NWS Nashville, TN issued this tornado warning at Dec 23, 2015, 8:50 PM CST for Rutherford County, Tennessee. It was in force for 25 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: Dec 23, 2015, 8:50 PM CST (02:50 UTC)
Expired: Dec 23, 2015, 9:15 PM CST
In force: 25 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Rutherford County, TN

The radar

The Nashville radar (KOHX), 40 km from the middle of the area, began a volume at 02:51 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
Dec 23, 4:49 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.8 hours before the alert went out and 29 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: 26 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 89 kt
0-1 km storm-relative helicity: 598 m²/s²
0-3 km storm-relative helicity: 698 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

284 
WFUS54 KOHX 240250
TOROHX
TNC149-240315-
/O.NEW.KOHX.TO.W.0027.151224T0250Z-151224T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
850 PM CST WED DEC 23 2015

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

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

* UNTIL 915 PM CST
    
* AT 850 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 9 MILES WEST OF MURFREESBORO...MOVING NORTHEAST
  AT 60 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  MURFREESBORO AROUND 855 PM CST.
  WALTERHILL AROUND 905 PM CST.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
LASCASSAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3601 8638 3602 8636 3598 8631 3596 8624
      3597 8622 3596 8621 3590 8616 3574 8658
      3579 8663 3579 8661 3581 8661 3581 8662
      3582 8661 3583 8663 3584 8660 3585 8660
      3604 8643
TIME...MOT...LOC 0250Z 233DEG 52KT 3580 8656 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

AL

2 follow-up statements

852 
WWUS54 KOHX 240258
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
858 PM CST WED DEC 23 2015

TNC149-240315-
/O.CON.KOHX.TO.W.0027.000000T0000Z-151224T0315Z/
RUTHERFORD TN-
858 PM CST WED DEC 23 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CST FOR CENTRAL
RUTHERFORD COUNTY...
    
AT 858 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MURFREESBORO...MOVING NORTHEAST AT 60 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  WALTERHILL AROUND 910 PM CST.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
LASCASSAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3601 8638 3602 8636 3598 8631 3596 8624
      3597 8622 3596 8621 3592 8618 3580 8649
      3583 8655 3587 8655 3600 8643
TIME...MOT...LOC 0258Z 231DEG 51KT 3587 8645 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

AL

601 
WWUS54 KOHX 240311
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
911 PM CST WED DEC 23 2015

TNC149-240320-
/O.EXP.KOHX.TO.W.0027.000000T0000Z-151224T0315Z/
RUTHERFORD TN-
911 PM CST WED DEC 23 2015

...THE TORNADO WARNING FOR CENTRAL RUTHERFORD COUNTY WILL EXPIRE AT
915 PM CST...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND EXITED THE
WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST FOR CENTRAL
TENNESSEE.

LAT...LON 3601 8638 3602 8636 3598 8631 3596 8624
      3597 8622 3596 8621 3592 8618 3580 8649
      3583 8655 3587 8655 3600 8643
TIME...MOT...LOC 0309Z 233DEG 52KT 3587 8645 

$$

AL

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 23, 6:05 PM CST	Special Weather Statement	OHX	Houston, Humphreys	25 min
Dec 23, 6:07 PM CST	Tornado Warning	OHX	Humphreys	23 min
Dec 23, 6:13 PM CST	Tornado Warning	OHX	Hickman, Lewis, Perry	32 min
Dec 23, 6:30 PM CST	Severe Thunderstorm Warning	OHX	Dickson, Houston, Humphreys, Montgomery	30 min
Dec 23, 6:35 PM CST	Tornado Warning Tornado observedConsiderable damage threat	OHX	Hickman, Maury	25 min
Dec 23, 6:48 PM CST	Tornado Warning	OHX	Wayne	27 min
Dec 23, 6:50 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Montgomery, Robertson	25 min
Dec 23, 6:56 PM CST	Tornado Warning	OHX	Cheatham, Dickson, Montgomery, Robertson	34 min
Dec 23, 6:58 PM CST	Tornado Warning	OHX	Hickman, Williamson	32 min
Dec 23, 7:08 PM CST	Tornado Warning Tornado observedConsiderable damage threat	OHX	Lawrence, Lewis, Wayne	37 min
Dec 23, 7:08 PM CST	Tornado Warning	OHX	Cheatham, Davidson, Williamson	37 min
Dec 23, 7:12 PM CST	Tornado Warning	OHX	Wayne	33 min
Dec 23, 7:24 PM CST	Special Weather Statement	OHX	Robertson	36 min
Dec 23, 7:30 PM CST	Tornado Warning	OHX	Davidson, Sumner, Wilson	30 min
Dec 23, 7:30 PM CST	Tornado Warning	OHX	Lawrence, Lewis, Maury	30 min
Dec 23, 7:33 PM CST	Tornado Warning	OHX	Lawrence, Wayne	27 min
Dec 23, 7:45 PM CST	Special Weather Statement	OHX	Sumner	45 min
Dec 23, 7:53 PM CST	Special Weather Statement	OHX	Cheatham, Dickson	37 min
Dec 23, 7:58 PM CST	Tornado Warning	OHX	Giles, Lawrence, Maury	32 min
Dec 23, 8:09 PM CST	Tornado Warning	OHX	Maury, Williamson	36 min
Dec 23, 8:12 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson	21 min
Dec 23, 8:17 PM CST	Tornado Warning	OHX	Cheatham, Davidson, Dickson	11 min
Dec 23, 8:24 PM CST	Tornado Warning	OHX	Marshall, Maury, Rutherford, Williamson	36 min
Dec 23, 8:33 PM CST	Special Weather Statement	OHX	Wayne	27 min
Dec 23, 8:44 PM CST	Severe Thunderstorm Warning	OHX	Lawrence, Lewis, Wayne	17 min
Dec 23, 9:11 PM CST	Special Weather Statement	OHX	Williamson	34 min
Dec 23, 9:15 PM CST	Flash Flood Warning	OHX	Lawrence, Lewis, Maury, Wayne	3 hr
Dec 23, 10:22 PM CST	Special Weather Statement	OHX	Jackson	23 min
Dec 23, 10:24 PM CST	Tornado Warning	OHX	DeKalb, Jackson, Putnam, Smith	36 min
Dec 23, 10:50 PM CST	Severe Thunderstorm Warning	OHX	Clay, Fentress, Overton, Pickett	25 min
Dec 23, 10:53 PM CST	Special Weather Statement	OHX	DeKalb, Putnam	37 min
Dec 23, 11:01 PM CST	Severe Thunderstorm Warning	OHX	DeKalb, Overton, Putnam, White	29 min
Dec 23, 11:13 PM CST	Severe Thunderstorm Warning	OHX	Fentress, Overton, Pickett	32 min
Dec 23, 11:25 PM CST	Special Weather Statement	OHX	Fentress	35 min

Nearby

Tornado Warnings in Tennessee, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.