Alert archive / Tennessee / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS Nashville, TN

February 25, 2018Giles County, Lawrence County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Feb 25, 2018, 12:16 AM CST for Giles County, Lawrence County, Tennessee. It was in force for 29 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: Feb 25, 2018, 12:16 AM CST (06:16 UTC)
Expired: Feb 25, 2018, 12:45 AM CST
In force: 29 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Giles County, TN, Lawrence County, TN

The radar

The Northeast Alabama radar (KHTX), 87 km from the middle of the area, began a volume at 06:18 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, 6.3 hours before the alert went out and 104 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: 78 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1167 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 235 m²/s²
0-3 km storm-relative helicity: 256 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

378 
WUUS54 KOHX 250616
SVROHX
TNC055-099-250645-
/O.NEW.KOHX.SV.W.0013.180225T0616Z-180225T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
1216 AM CST SUN FEB 25 2018

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Lawrence County in Middle Tennessee...
  Giles County in Middle Tennessee...

* Until 1245 AM CST

* At 1215 AM CST, a severe thunderstorm was located 8 miles southeast
  of Lawrenceburg, moving east at 40 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, Frankewing and
  Prospect.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3501 8730 3534 8722 3536 8692 3535 8691
      3534 8691 3534 8690 3532 8691 3531 8689
      3531 8687 3530 8686 3531 8685 3510 8683
      3499 8684
TIME...MOT...LOC 0615Z 263DEG 31KT 3517 8722 

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

07

1 follow-up statement

093 
WWUS54 KOHX 250637
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
1237 AM CST SUN FEB 25 2018

TNC099-250645-
/O.CAN.KOHX.SV.W.0013.000000T0000Z-180225T0645Z/
Lawrence TN-
1237 AM CST SUN FEB 25 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LAWRENCE COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.

LAT...LON 3501 8722 3511 8721 3535 8704 3536 8692
      3534 8690 3532 8691 3531 8689 3530 8686
      3531 8685 3512 8683 3499 8684
TIME...MOT...LOC 0635Z 263DEG 31KT 3519 8700 

$$

TNC055-250645-
/O.CON.KOHX.SV.W.0013.000000T0000Z-180225T0645Z/
Giles TN-
1237 AM CST SUN FEB 25 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CST
FOR GILES COUNTY...

At 1235 AM CST, a severe thunderstorm was located over 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, Frankewing and
Prospect.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3501 8722 3511 8721 3535 8704 3536 8692
      3534 8690 3532 8691 3531 8689 3530 8686
      3531 8685 3512 8683 3499 8684
TIME...MOT...LOC 0635Z 263DEG 31KT 3519 8700 

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

07

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 24, 8:01 PM CST	Severe Thunderstorm Warning	OHX	Stewart	29 min
Feb 24, 8:10 PM CST	Severe Thunderstorm Warning	OHX	Houston, Humphreys, Stewart	50 min
Feb 24, 8:17 PM CST	Tornado Warning	OHX	Houston, Stewart	43 min
Feb 24, 8:29 PM CST	Tornado Warning	OHX	Cheatham, Dickson, Houston, Montgomery, Stewart	46 min
Feb 24, 8:57 PM CST	Tornado Warning Tornado observedConsiderable damage threat	OHX	Montgomery, Robertson	33 min
Feb 24, 9:20 PM CST	Tornado Warning	OHX	Robertson	25 min
Feb 24, 9:28 PM CST	Special Weather Statement	OHX	Cheatham, Dickson, Hickman, Perry, Robertson	47 min
Feb 24, 9:34 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson, Sumner	26 min
Feb 24, 9:59 PM CST	Severe Thunderstorm Warning	OHX	Davidson, Macon, Robertson, Sumner, Trousdale	31 min
Feb 24, 9:59 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Dickson, Robertson, Sumner, Williamson and 1 more	46 min
Feb 24, 10:07 PM CST	Severe Thunderstorm Warning	OHX	Davidson, Dickson, Hickman, Lewis, Maury, Williamson	53 min
Feb 24, 10:41 PM CST	Severe Thunderstorm Warning	OHX	Clay, Davidson, Jackson, Macon, Maury, Rutherford and 5 more	49 min
Feb 24, 11:12 PM CST	Special Weather Statement	OHX	Lawrence, Maury	48 min
Feb 24, 11:21 PM CST	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Wayne	24 min
Feb 24, 11:27 PM CST	Severe Thunderstorm Warning	OHX	Clay, DeKalb, Jackson, Macon, Overton, Putnam and 3 more	48 min
Feb 24, 11:52 PM CST	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	38 min
Feb 25, 12:02 AM CST	Special Weather Statement	OHX	Bedford, Cannon, Giles, Marshall, Rutherford	43 min
Feb 25, 12:06 AM CST	Special Weather Statement	OHX	DeKalb, Jackson, Overton, Pickett	24 min
Feb 25, 9:45 AM CST	River Flood Advisory	OHX	Davidson	10 days
Feb 25, 3:02 PM CST	River Flood Advisory	OHX	Hickman	53 hr
Feb 25, 3:09 PM CST	River Flood Advisory	OHX	Montgomery, Robertson	11 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.