Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 20, NWS Nashville, TN

April 5, 2017Putnam County, Tennessee

NWS Nashville, TN issued this tornado warning at Apr 5, 2017, 5:10 PM CDT for Putnam County, Tennessee. It was in force for 21 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, 5:10 PM CDT (22:10 UTC)
Expired: Apr 5, 2017, 5:31 PM CDT
In force: 21 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Putnam County, TN

The radar

The Nashville radar (KOHX), 107 km from the middle of the area, began a volume at 22:11 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, 10.2 hours before the alert went out and 110 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.

205 
WFUS54 KOHX 052210
TOROHX
TNC141-052245-
/O.NEW.KOHX.TO.W.0020.170405T2210Z-170405T2245Z/

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

The National Weather Service in Nashville has issued a

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

* Until 545 PM CDT
    
* At 510 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Baxter, or near Cookeville, moving northeast at 30
  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...
  Cookeville around 525 PM CDT. 
  Algood around 535 PM CDT. 
  Monterey around 545 PM CDT. 

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 3608 8554 3605 8561 3609 8565 3626 8545
      3624 8542 3622 8536 3622 8533 3620 8532
      3618 8528 3619 8526 3618 8526 3615 8521
      3615 8517 3614 8516
TIME...MOT...LOC 2210Z 237DEG 25KT 3609 8557 

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

$$

Shamburger

2 follow-up statements

758 
WWUS54 KOHX 052217 RRA
SVSOHX

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

TNC141-052245-
/O.CON.KOHX.TO.W.0020.000000T0000Z-170405T2245Z/
Putnam TN-
517 PM CDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR CENTRAL
PUTNAM COUNTY...
    
At 517 PM CDT, a severe thunderstorm capable of producing a tornado
was located over southern 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 dangerous storm will be near...
  Algood around 525 PM CDT. 
  Monterey around 535 PM CDT. 

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 3608 8554 3614 8559 3626 8545 3624 8542
      3622 8536 3622 8533 3620 8532 3618 8528
      3619 8526 3618 8526 3615 8521 3615 8517
      3614 8516
TIME...MOT...LOC 2217Z 234DEG 33KT 3614 8550 

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

$$

Shamburger

762 
WWUS54 KOHX 052231
SVSOHX

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

TNC141-052240-
/O.CAN.KOHX.TO.W.0020.000000T0000Z-170405T2245Z/
Putnam TN-
531 PM CDT WED APR 5 2017

...THE TORNADO WARNING FOR CENTRAL PUTNAM COUNTY IS CANCELLED...
    
The Tornado Warning that was previously in effect has been reissued 
for Putnam and Overton Counties. Please refer to that bulletin for 
the latest severe weather information.

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

LAT...LON 3608 8554 3614 8559 3626 8545 3624 8542
      3622 8536 3622 8533 3620 8532 3618 8528
      3619 8526 3618 8526 3615 8521 3615 8517
      3614 8516
TIME...MOT...LOC 2230Z 237DEG 25KT 3619 8540 

$$

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, 5:12 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, 5:26 PM CDT	Tornado Warning	OHX	Overton, Putnam	18 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.