Alert archive / Tennessee / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS Nashville, TN

March 31, 2016Giles County, Lawrence County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 31, 2016, 8:12 PM CDT for Giles County, Lawrence County, Tennessee. It was in force for 33 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 31, 2016, 8:12 PM CDT (01:12 UTC)
Expired: Mar 31, 2016, 8:45 PM CDT
In force: 33 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Giles County, TN, Lawrence County, TN

The radar

The Northeast Alabama radar (KHTX), 101 km from the middle of the area, began a volume at 01:12 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 31, 3:59 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Mar 31, 5:58 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.2 hours before the alert went out and 130 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: 217 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 861 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 488 m²/s²
0-3 km storm-relative helicity: 602 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

118 
WUUS54 KOHX 010112
SVROHX
TNC055-099-010145-
/O.NEW.KOHX.SV.W.0013.160401T0112Z-160401T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
812 PM CDT THU MAR 31 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN GILES COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN LAWRENCE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 845 PM CDT

* AT 812 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES SOUTHWEST
  OF PULASKI...MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  PULASKI...ARDMORE...ELKTON...MINOR HILL...GOODSPRING...PROSPECT AND
  FRANKEWING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR CENTRAL
TENNESSEE.

LAT...LON 3500 8742 3511 8739 3520 8683 3499 8684
TIME...MOT...LOC 0112Z 262DEG 25KT 3506 8716 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 7:05 PM CDT	Special Weather Statement	OHX	Jackson, Putnam	40 min
Mar 31, 7:08 PM CDT	Tornado Warning	OHX	Giles	22 min
Mar 31, 7:16 PM CDT	Special Weather Statement	OHX	Clay, Jackson, Overton, Putnam	44 min
Mar 31, 7:22 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence	23 min
Mar 31, 7:25 PM CDT	Tornado Warning	OHX	Giles	35 min
Mar 31, 7:37 PM CDT	Special Weather Statement	OHX	Fentress, Overton	38 min
Mar 31, 7:44 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	31 min
Mar 31, 7:46 PM CDT	Tornado Warning	OHX	Giles, Lawrence	29 min
Mar 31, 8:28 PM CDT	Flash Flood Warning	OHX	Giles, Lawrence, Wayne	3 hr
Mar 31, 8:48 PM CDT	Special Weather Statement	OHX	Giles	27 min
Mar 31, 9:05 PM CDT	Severe Thunderstorm Warning	OHX	Grundy	25 min
Mar 31, 10:02 PM CDT	Special Weather Statement	OHX	Cheatham, Davidson, Dickson, Williamson, Wilson	43 min
Mar 31, 11:48 PM CDT	River Flood Advisory	OHX	Lawrence	17 hr
Apr 1, 4:00 AM CDT	River Flood Advisory	OHX	Grundy	7 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2016 Every severe thunderstorm warning 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.