Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 21, NWS Nashville, TN

April 5, 2017Overton County, Putnam County, Tennessee

NWS Nashville, TN issued this tornado warning at Apr 5, 2017, 5:26 PM CDT for Overton County, Putnam County, Tennessee. It was in force for 18 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: Apr 5, 2017, 5:26 PM CDT (22:26 UTC)
Expired: Apr 5, 2017, 5:44 PM CDT
In force: 18 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Overton County, TN, Putnam County, TN

The radar

The Nashville radar (KOHX), 121 km from the middle of the area, began a volume at 22:28 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
Apr 5, 1:50 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.4 hours before the alert went out and 126 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1902 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 161 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

009 
WFUS54 KOHX 052226
TOROHX
TNC133-141-052300-
/O.NEW.KOHX.TO.W.0021.170405T2226Z-170405T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
526 PM CDT WED APR 5 2017

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Central Overton County in Middle Tennessee...
  Central Putnam County in Middle Tennessee...

* Until 600 PM CDT
    
* At 526 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Algood, or near Cookeville, moving northeast at 40
  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 tornadic thunderstorm will remain over mainly rural areas of
  central Overton and central Putnam Counties, including the
  following locations: Crawford and Rickman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3646 8515 3643 8515 3641 8514 3640 8512
      3630 8512 3626 8511 3612 8546 3619 8552
TIME...MOT...LOC 2226Z 230DEG 35KT 3620 8542 

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

$$

Shamburger

2 follow-up statements

085 
WWUS54 KOHX 052237
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
537 PM CDT WED APR 5 2017

TNC141-052247-
/O.CAN.KOHX.TO.W.0021.000000T0000Z-170405T2300Z/
Putnam TN-
537 PM CDT WED APR 5 2017

...THE TORNADO WARNING FOR CENTRAL PUTNAM COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore the warning has been cancelled.

A tornado watch remains in effect until 900 PM CDT for Middle
Tennessee.

LAT...LON 3646 8515 3643 8515 3641 8514 3640 8512
      3630 8512 3626 8511 3620 8530 3626 8541
TIME...MOT...LOC 2237Z 231DEG 33KT 3625 8532 

$$

TNC133-052300-
/O.CON.KOHX.TO.W.0021.000000T0000Z-170405T2300Z/
Overton TN-
537 PM CDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR CENTRAL
OVERTON COUNTY...
    
At 537 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Algood, or 9 miles south of
Livingston, moving northeast at 40 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. 

Locations impacted include...
Crawford and Rickman. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3646 8515 3643 8515 3641 8514 3640 8512
      3630 8512 3626 8511 3620 8530 3626 8541
TIME...MOT...LOC 2237Z 231DEG 33KT 3625 8532 

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

$$

Shamburger

945 
WWUS54 KOHX 052244
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
544 PM CDT WED APR 5 2017

TNC133-052254-
/O.CAN.KOHX.TO.W.0021.000000T0000Z-170405T2300Z/
Overton TN-
544 PM CDT WED APR 5 2017

...THE TORNADO WARNING FOR CENTRAL OVERTON COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 900 PM CDT for Middle
Tennessee.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Nashville.

LAT...LON 3646 8515 3643 8515 3641 8514 3640 8512
      3630 8512 3626 8511 3620 8530 3626 8541
TIME...MOT...LOC 2244Z 230DEG 35KT 3630 8525 

$$

Shamburger

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 3:39 PM CDT	Special Weather Statement	OHX	Sumner	36 min
Apr 5, 3:51 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee	39 min
Apr 5, 3:54 PM CDT	Special Weather Statement	OHX	Robertson	21 min
Apr 5, 4:02 PM CDT	Wind Advisory	OHX	Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more	29 hr
Apr 5, 4:10 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Rutherford, Wilson	35 min
Apr 5, 4:15 PM CDT	Special Weather Statement	OHX	Sumner	30 min
Apr 5, 4:18 PM CDT	Tornado Warning	OHX	Coffee	27 min
Apr 5, 4:27 PM CDT	Special Weather Statement	OHX	Smith	33 min
Apr 5, 4:29 PM CDT	Special Weather Statement	OHX	Smith	31 min
Apr 5, 4:29 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Warren	46 min
Apr 5, 4:36 PM CDT	Severe Thunderstorm Warning	OHX	Jackson, Macon, Smith	24 min
Apr 5, 4:47 PM CDT	Special Weather Statement	OHX	Trousdale	28 min
Apr 5, 4:51 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon, Smith	24 min
Apr 5, 4:54 PM CDT	Tornado Warning	OHX	Grundy, Van Buren, Warren	36 min
Apr 5, 4:59 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Warren	31 min
Apr 5, 5:06 PM CDT	Special Weather Statement	OHX	Putnam	24 min
Apr 5, 5:10 PM CDT	Tornado Warning	OHX	Putnam	21 min
Apr 5, 5:12 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon	33 min
Apr 5, 5:14 PM CDT	Special Weather Statement	OHX	Macon, Smith	31 min
Apr 5, 5:22 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, DeKalb, Warren, White	23 min
Apr 5, 5:38 PM CDT	Special Weather Statement	OHX	DeKalb	37 min
Apr 5, 5:41 PM CDT	Special Weather Statement	OHX	Grundy, Van Buren	49 min
Apr 5, 5:46 PM CDT	Special Weather Statement	OHX	Cannon, DeKalb	44 min
Apr 5, 5:55 PM CDT	Special Weather Statement	OHX	Grundy	35 min
Apr 5, 5:58 PM CDT	Special Weather Statement	OHX	Overton	32 min
Apr 5, 6:08 PM CDT	Special Weather Statement	OHX	Fentress, Overton, Pickett, Putnam	37 min
Apr 5, 6:12 PM CDT	Severe Thunderstorm Warning	OHX	Clay, DeKalb, Jackson, Overton, Putnam	33 min
Apr 5, 6:42 PM CDT	Special Weather Statement	OHX	Overton	48 min
Apr 5, 6:58 PM CDT	Special Weather Statement	OHX	White	32 min

Nearby

Tornado Warnings in Tennessee, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.