Alert archive / Tennessee / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 21, NWS Nashville, TN

April 3, 2018Hickman County, Maury County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 3, 2018, 8:38 PM CDT for Hickman County, Maury County, Tennessee. It was in force for 37 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 3, 2018, 8:38 PM CDT (01:38 UTC)
Expired: Apr 3, 2018, 9:15 PM CDT
In force: 37 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Hickman County, TN, Maury County, TN

The radar

The Nashville radar (KOHX), 97 km from the middle of the area, began a volume at 01:38 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.

What was reported inside it

Time	Report	Where	Remark
Apr 3, 8:42 PM CDT	TSTM WND DMG	2 S Centerville, TN	TREE DOWN ALONG SR 100
Apr 3, 9:10 PM CDT	TSTM WND DMG	9 Ne Centerville, TN	TREE DOWN AT GROUND HOLLOW RD AND PRIM SPRINGS RD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 3, 7:14 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.6 hours before the alert went out and 87 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: 398 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1862 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 243 m²/s²
0-3 km storm-relative helicity: 349 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.8

Open this sounding in Storm Lab

The text

As transmitted.

536 
WUUS54 KOHX 040138
SVROHX
TNC081-119-040215-
/O.NEW.KOHX.SV.W.0021.180404T0138Z-180404T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
838 PM CDT TUE APR 3 2018

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Maury County in Middle Tennessee...
  Southern Hickman County in Middle Tennessee...

* Until 915 PM CDT

* At 838 PM CDT, a severe thunderstorm was located 9 miles north of
  Hohenwald, moving east at 50 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Centerville, Williamsport and Primm Springs. 

The Mule Day Wagon Train will also be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3596 8722 3590 8721 3585 8721 3584 8719
      3564 8715 3562 8735 3566 8733 3566 8736
      3562 8742 3562 8747 3563 8750 3563 8755
      3565 8757 3565 8759 3563 8762 3562 8762
      3561 8765 3571 8767
TIME...MOT...LOC 0138Z 255DEG 42KT 3568 8756 

HAIL...0.75IN
WIND...60MPH
 
$$

Whitehead

1 follow-up statement

266 
WWUS54 KOHX 040159
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
859 PM CDT TUE APR 3 2018

TNC081-119-040215-
/O.CON.KOHX.SV.W.0021.000000T0000Z-180404T0215Z/
Maury TN-Hickman TN-
859 PM CDT TUE APR 3 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR NORTHWESTERN MAURY AND SOUTHEASTERN HICKMAN COUNTIES...

At 858 PM CDT, a severe thunderstorm was located 10 miles east of
Centerville, moving east at 50 mph.

HAZARD...60 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Centerville, Williamsport and Primm Springs. 

The Mule Day Wagon Train will also be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3596 8722 3590 8721 3585 8721 3584 8719
      3564 8715 3562 8735 3566 8733 3566 8736
      3565 8738 3566 8738 3583 8745
TIME...MOT...LOC 0158Z 255DEG 42KT 3574 8727 

HAIL...0.75IN
WIND...60MPH
 
$$

Whitehead

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 7:03 PM CDT	Special Weather Statement	OHX	Montgomery, Stewart	27 min
Apr 3, 7:22 PM CDT	Special Weather Statement	OHX	Cheatham, Dickson, Houston, Humphreys, Montgomery, Robertson	23 min
Apr 3, 7:47 PM CDT	Special Weather Statement	OHX	Dickson, Hickman, Perry	43 min
Apr 3, 8:17 PM CDT	Special Weather Statement	OHX	Sumner	43 min
Apr 3, 8:26 PM CDT	Special Weather Statement	OHX	Dickson, Houston, Humphreys, Montgomery, Stewart	49 min
Apr 3, 8:29 PM CDT	Areal Flood Advisory	OHX	Hickman, Humphreys, Perry	3 hr
Apr 3, 8:34 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Houston, Humphreys, Montgomery, Stewart	26 min
Apr 3, 8:35 PM CDT	Special Weather Statement	OHX	Davidson	40 min
Apr 3, 8:41 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson, Wilson	34 min
Apr 3, 8:43 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Williamson	32 min
Apr 3, 8:54 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Montgomery, Robertson	36 min
Apr 3, 9:03 PM CDT	Special Weather Statement	OHX	Smith, Trousdale, Wilson	42 min
Apr 3, 9:13 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Wilson	32 min
Apr 3, 9:17 PM CDT	Areal Flood Advisory	OHX	Davidson, Hickman, Williamson	3 hr
Apr 3, 9:18 PM CDT	Special Weather Statement	OHX	Robertson, Sumner	27 min
Apr 3, 9:25 PM CDT	Severe Thunderstorm Warning	OHX	Smith, Trousdale, Wilson	15 min
Apr 3, 9:26 PM CDT	Severe Thunderstorm Warning	OHX	Macon, Robertson, Sumner	34 min
Apr 3, 9:39 PM CDT	Special Weather Statement	OHX	Lawrence	36 min
Apr 3, 10:09 PM CDT	Special Weather Statement	OHX	Warren, White	51 min
Apr 3, 10:13 PM CDT	Special Weather Statement	OHX	Giles	47 min
Apr 3, 10:23 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Putnam	52 min
Apr 3, 10:28 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Van Buren, Warren, White	32 min
Apr 3, 10:58 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Van Buren, White	47 min
Apr 4, 2:47 AM CDT	Freeze Warning	OHX	Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more	30 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2018 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.