Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 17, NWS Nashville, TN

March 27, 2017Wayne County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 27, 2017, 7:14 PM CDT for Wayne County, Tennessee. It was in force for 31 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 27, 2017, 7:14 PM CDT (00:14 UTC)
Expired: Mar 27, 2017, 7:45 PM CDT
In force: 31 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Wayne County, TN

The radar

The Columbus AFB radar (KGWX), 149 km from the middle of the area, began a volume at 00:17 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 27, 12:08 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Mar 27, 2:24 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.2 hours before the alert went out and 151 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: 12 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1009 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 229 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

541 
WFUS54 KOHX 280014
TOROHX
TNC181-280045-
/O.NEW.KOHX.TO.W.0017.170328T0014Z-170328T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
714 PM CDT MON MAR 27 2017

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Southern Wayne County in Middle Tennessee...

* Until 745 PM CDT
    
* At 712 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Olive Hill, or 11 miles east of Savannah, moving 
  east at 35 mph. another possible tornado was located near 
  Collinwood, also moving east at 35 mph.

  HAZARD...Tornado and quarter size hail. 

  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...
  Lutts around 725 PM CDT.
  Collinwood around 740 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Lutts.

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 3502 8763 3514 8798 3527 8798 3529 8759
TIME...MOT...LOC 0012Z 282DEG 30KT 3521 8804 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Shamburger

1 follow-up statement

282 
WWUS54 KOHX 280035
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
735 PM CDT MON MAR 27 2017

TNC181-280045-
/O.EXP.KOHX.TO.W.0017.000000T0000Z-170328T0045Z/
Wayne TN-
735 PM CDT MON MAR 27 2017

...THE TORNADO WARNING FOR SOUTHERN WAYNE COUNTY WILL EXPIRE AT 745
PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.  However large hail 
and damaging winds are still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 800 PM CDT for
Middle Tennessee.

Remember, a Severe Thunderstorm Warning still remains in effect for
Wayne County until 800 PM CDT.

LAT...LON 3502 8763 3514 8798 3527 8798 3529 8759
TIME...MOT...LOC 0035Z 282DEG 30KT 3517 8782 

$$

Shamburger

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 7:00 PM CDT	Special Weather Statement	OHX	Giles, Lewis	45 min
Mar 27, 7:22 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	38 min
Mar 27, 7:45 PM CDT	Special Weather Statement	OHX	Bedford, Marshall	45 min
Mar 27, 7:58 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Wayne	62 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.