Alert archive / Tennessee / Tornado Warnings in 2018

Tornado Warning 49, NWS Memphis, TN

November 5, 2018Hardin County, Tennessee

NWS Memphis, TN issued this tornado warning at Nov 5, 2018, 10:28 PM CST for Hardin County, Tennessee. It was in force for 8 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: Nov 5, 2018, 10:28 PM CST (04:28 UTC)
Expired: Nov 5, 2018, 10:36 PM CST
In force: 8 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Hardin County, TN

The radar

The Columbus AFB radar (KGWX), 137 km from the middle of the area, began a volume at 04:32 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
Nov 5, 7:04 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 4.5 hours before the alert went out and 172 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: 22 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 602 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

197 
WFUS54 KMEG 060428
TORMEG
TNC071-060515-
/O.NEW.KMEG.TO.W.0049.181106T0428Z-181106T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
1028 PM CST MON NOV 5 2018

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Southeastern Hardin County in western Tennessee...

* Until 1115 PM CST.
    
* At 1028 PM CST, doppler radar indicated a severe thunderstorm
  producing a tornado was located near Walnut Grove, or 9 miles
  northeast of Pickwick Landing State Park, moving east at 50 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...
  Walnut Grove, Lowryville, Center Star and Pollards Mill. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3502 8814 3519 8822 3527 8798 3506 8799
TIME...MOT...LOC 0428Z 249DEG 43KT 3514 8810 

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

$$

1 follow-up statement

049 
WWUS54 KMEG 060436
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1036 PM CST MON NOV 5 2018

TNC071-060446-
/O.CAN.KMEG.TO.W.0049.000000T0000Z-181106T0515Z/
Hardin TN-
1036 PM CST MON NOV 5 2018

...THE TORNADO WARNING FOR SOUTHEASTERN HARDIN COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 300 AM CST for western
Tennessee.

LAT...LON 3502 8814 3519 8822 3527 8798 3506 8799
TIME...MOT...LOC 0435Z 249DEG 43KT 3518 8798 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 5, 7:03 PM CST	Special Weather Statement	MEG	Tipton	42 min
Nov 5, 8:09 PM CST	Special Weather Statement	MEG	Henry	51 min
Nov 5, 8:20 PM CST	Tornado Warning	MEG	Benton, Carroll, Henry	40 min
Nov 5, 9:12 PM CST	River Flood Warning	MEG	Crockett, Dyer, Lauderdale	26 hr
Nov 5, 9:53 PM CST	Areal Flood Advisory	MEG	Hardeman, McNairy	59 min
Nov 6, 1:22 AM CST	Dense Fog Advisory	MEG	Benton, Carroll, Chester, Crockett, Decatur, Dyer and 14 more	7 hr

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.