Alert archive / Tennessee / Tornado Warnings in 2016

Tornado Warning 23, NWS Nashville, TN

November 30, 2016Cumberland County, Tennessee

NWS Nashville, TN issued this tornado warning at Nov 30, 2016, 2:21 AM CST for Cumberland 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: Nov 30, 2016, 2:21 AM CST (08:21 UTC)
Expired: Nov 30, 2016, 2:32 AM CST
In force: 11 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Cumberland County, TN

The radar

The Knoxville radar (KMRX), 130 km from the middle of the area, began a volume at 08:21 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.4 hours before the alert went out and 158 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: 1648 m above ground
0-6 km bulk shear: 90 kt
0-1 km storm-relative helicity: 321 m²/s²
0-3 km storm-relative helicity: 354 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

698 
WFUS54 KOHX 300821
TOROHX
TNC035-300845-
/O.NEW.KOHX.TO.W.0023.161130T0821Z-161130T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
221 AM CST WED NOV 30 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CUMBERLAND COUNTY IN MIDDLE TENNESSEE...

* UNTIL 245 AM CST
    
* AT 221 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR FAIRFIELD GLADE...OR 12 MILES NORTHEAST OF
  CROSSVILLE...MOVING NORTHEAST AT 35 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHEASTERN CUMBERLAND COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3593 8486 3607 8499 3615 8489 3613 8487
      3608 8483 3610 8482 3609 8480 3605 8479
      3600 8473
TIME...MOT...LOC 0821Z 233DEG 31KT 3606 8486 

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

$$

SHAMBURGER

1 follow-up statement

313 
WWUS54 KOHX 300832
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
232 AM CST WED NOV 30 2016

TNC035-300842-
/O.CAN.KOHX.TO.W.0023.000000T0000Z-161130T0845Z/
CUMBERLAND TN-
232 AM CST WED NOV 30 2016

...THE TORNADO WARNING FOR NORTHEASTERN CUMBERLAND COUNTY IS
CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
NASHVILLE.

LAT...LON 3593 8486 3607 8499 3615 8489 3613 8487
      3608 8483 3610 8482 3609 8480 3605 8479
      3600 8473
TIME...MOT...LOC 0830Z 233DEG 31KT 3612 8476 

$$

SHAMBURGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 29, 7:41 PM CST	Special Weather Statement	OHX	Maury	34 min
Nov 29, 8:33 PM CST	Special Weather Statement	OHX	Giles	27 min
Nov 29, 8:44 PM CST	Tornado Warning	OHX	Giles	16 min
Nov 29, 8:48 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Coffee	42 min
Nov 29, 8:51 PM CST	Special Weather Statement	OHX	Warren	24 min
Nov 29, 8:57 PM CST	Tornado Warning	OHX	Bedford, Coffee	33 min
Nov 29, 9:27 PM CST	Tornado Warning	OHX	Coffee, Warren	33 min
Nov 29, 10:04 PM CST	Severe Thunderstorm Warning	OHX	Coffee, Grundy	26 min
Nov 29, 10:29 PM CST	Severe Thunderstorm Warning	OHX	Grundy	18 min
Nov 29, 10:42 PM CST	Tornado Warning	OHX	Grundy, Van Buren, Warren	33 min
Nov 29, 11:09 PM CST	Severe Thunderstorm Warning	OHX	Coffee, Grundy	51 min
Nov 30, 1:40 AM CST	Areal Flood Advisory	OHX	Bedford, Coffee, Grundy, Warren	2 hr
Nov 30, 2:10 AM CST	Severe Thunderstorm Warning	OHX	Grundy	35 min

Nearby

Tornado Warnings in Tennessee, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.