Alert archive / Tennessee / Tornado Warnings in 2015

Tornado Warning 33, NWS Memphis, TN

December 23, 2015Hardin County, Tennessee

NWS Memphis, TN issued this tornado warning at Dec 23, 2015, 7:02 PM CST for Hardin County, Tennessee. It was in force for 11 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: Dec 23, 2015, 7:02 PM CST (01:02 UTC)
Expired: Dec 23, 2015, 7:13 PM CST
In force: 11 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Hardin County, TN

The radar

The Columbus AFB radar (KGWX), 130 km from the middle of the area, began a volume at 01:03 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
Dec 23, 11:57 AM CST	Tornado Watch PDS	SPC	9 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 1.0 hours before the alert went out and 176 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: 1861 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

016 
WFUS54 KMEG 240102
TORMEG
TNC071-240130-
/O.NEW.KMEG.TO.W.0033.151224T0102Z-151224T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
702 PM CST WED DEC 23 2015

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN HARDIN COUNTY IN WEST TENNESSEE...

* UNTIL 730 PM CST
        
* AT 702 PM CST...A SEVERE THUNDERSTORM PRODUCING A TORNADO WAS
  LOCATED NEAR WALNUT GROVE...OR NEAR J P COLEMAN STATE PARK...MOVING
  NORTHEAST AT 45 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. 

* LOCATIONS IMPACTED INCLUDE...
  WALNUT GROVE 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 3500 8801 3501 8814 3502 8813 3513 8799
      3509 8798 3501 8798
TIME...MOT...LOC 0102Z 227DEG 38KT 3498 8807 

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

$$

1 follow-up statement

823 
WWUS54 KMEG 240113
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
713 PM CST WED DEC 23 2015

TNC071-240123-
/O.CAN.KMEG.TO.W.0033.000000T0000Z-151224T0130Z/
HARDIN TN-
713 PM CST WED DEC 23 2015

...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 800 PM CST FOR WESTERN
TENNESSEE.

LAT...LON 3500 8801 3501 8814 3502 8813 3513 8799
      3509 8798 3501 8798
TIME...MOT...LOC 0112Z 227DEG 38KT 3506 8796 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 23, 6:01 PM CST	Tornado Warning	MEG	Benton	13 min
Dec 23, 6:04 PM CST	Flash Flood Warning	MEG	Decatur, Hardin	116 min
Dec 23, 6:20 PM CST	Tornado Warning	MEG	Hardin	40 min
Dec 23, 6:24 PM CST	Flash Flood Warning	MEG	Hardin, McNairy	3 hr

Nearby

Tornado Warnings in Tennessee, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.