Alert archive / Tennessee / Tornado Warnings in 2018

Tornado Warning 7, NWS Nashville, TN

June 23, 2018Lawrence County, Wayne County, Tennessee

NWS Nashville, TN issued this tornado warning at Jun 23, 2018, 9:28 PM CDT for Lawrence County, Wayne County, Tennessee. It was in force for 32 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: Jun 23, 2018, 9:28 PM CDT (02:28 UTC)
Expired: Jun 23, 2018, 10:00 PM CDT
In force: 32 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Lawrence County, TN, Wayne County, TN

The radar

The Northeast Alabama radar (KHTX), 135 km from the middle of the area, began a volume at 02:27 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
Jun 23, 5:40 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.5 hours before the alert went out and 149 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: 389 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1162 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

As transmitted.

515 
WFUS54 KOHX 240228
TOROHX
TNC099-181-240300-
/O.NEW.KOHX.TO.W.0007.180624T0228Z-180624T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
928 PM CDT SAT JUN 23 2018

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Southeastern Wayne County in Middle Tennessee...
  Southwestern Lawrence County in Middle Tennessee...

* Until 1000 PM CDT.

* At 928 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles north of St. Florian, or 14 miles north of
  Florence, moving east at 10 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Weather spotters reported funnel cloud.

  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
  southeastern Wayne and southwestern Lawrence Counties, including
  the following locations... Iron City and St. Joseph.

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 3500 8770 3511 8767 3509 8736 3500 8739
TIME...MOT...LOC 0228Z 284DEG 10KT 3501 8761 

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

$$

Rose

1 follow-up statement

008 
WWUS54 KOHX 240253
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
953 PM CDT SAT JUN 23 2018

TNC099-181-240303-
/O.EXP.KOHX.TO.W.0007.000000T0000Z-180624T0300Z/
Wayne TN-Lawrence TN-
953 PM CDT SAT JUN 23 2018

...THE TORNADO WARNING FOR SOUTHEASTERN WAYNE AND SOUTHWESTERN
LAWRENCE COUNTIES WILL EXPIRE AT 1000 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1000 PM CDT for Middle
Tennessee.

LAT...LON 3500 8770 3511 8767 3509 8736 3500 8739
TIME...MOT...LOC 0253Z 299DEG 10KT 3497 8754 

$$

Rose

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 7:46 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	29 min
Jun 23, 8:01 PM CDT	Tornado Warning	OHX	Wayne	29 min
Jun 23, 8:52 PM CDT	Areal Flood Advisory	OHX	Wayne	3 hr
Jun 23, 8:55 PM CDT	Tornado Warning	OHX	Lawrence, Wayne	35 min
Jun 23, 9:38 PM CDT	Flash Flood Warning	OHX	Lawrence, Wayne	3 hr
Jun 23, 11:23 PM CDT	Flash Flood Warning	OHX	Wayne	3 hr
Jun 24, 12:40 PM CDT	Special Weather Statement	OHX	Cumberland	35 min
Jun 24, 1:59 PM CDT	Special Weather Statement	OHX	Marshall	31 min
Jun 24, 2:06 PM CDT	Special Weather Statement	OHX	Overton, Putnam	39 min
Jun 24, 2:23 PM CDT	Special Weather Statement	OHX	Coffee	22 min
Jun 24, 2:46 PM CDT	Special Weather Statement	OHX	Cumberland	44 min
Jun 24, 3:40 PM CDT	Special Weather Statement	OHX	Jackson	35 min
Jun 24, 3:49 PM CDT	Special Weather Statement	OHX	Cumberland	41 min
Jun 24, 4:04 PM CDT	Severe Thunderstorm Warning	OHX	Overton, Putnam	26 min
Jun 24, 4:24 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Putnam	18 min
Jun 24, 4:30 PM CDT	Special Weather Statement	OHX	Fentress, Overton, Pickett	30 min
Jun 24, 4:45 PM CDT	Special Weather Statement	OHX	Jackson, Overton	30 min
Jun 24, 6:45 PM CDT	Special Weather Statement	OHX	Sumner	30 min
Jun 24, 6:50 PM CDT	Special Weather Statement	OHX	Bedford	25 min

Nearby

Tornado Warnings in Tennessee, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.