Alert archive / Tennessee / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 113, NWS Nashville, TN

June 27, 2018DeKalb County, Van Buren County, Warren County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jun 27, 2018, 6:27 PM CDT for DeKalb County, Van Buren County, Warren 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: Jun 27, 2018, 6:27 PM CDT (23:27 UTC)
Expired: Jun 27, 2018, 7:00 PM CDT
In force: 33 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties DeKalb County, TN, Van Buren County, TN, Warren County, TN

The radar

The Nashville radar (KOHX), 97 km from the middle of the area, began a volume at 23:30 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 12:00Z, 11.5 hours before the alert went out and 93 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: 596 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 603 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 358 m²/s²
0-3 km storm-relative helicity: 420 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.3

Open this sounding in Storm Lab

The text

As transmitted.

563 
WUUS54 KOHX 272327
SVROHX
TNC041-175-177-280000-
/O.NEW.KOHX.SV.W.0113.180627T2327Z-180628T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
627 PM CDT WED JUN 27 2018

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  South central De Kalb County in Middle Tennessee...
  Van Buren County in Middle Tennessee...
  Warren County in Middle Tennessee...

* Until 700 PM CDT.

* At 627 PM CDT, a severe thunderstorm was located 7 miles northwest
  of McMinnville, moving southeast at 45 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  McMinnville, Spencer, Centertown, Rock Island State Park and Fall
  Creek Falls State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3560 8539 3555 8546 3553 8559 3572 8598
      3578 8594 3580 8593 3582 8591 3583 8588
      3586 8590 3589 8588 3580 8561 3579 8560
      3580 8560 3571 8532
TIME...MOT...LOC 2327Z 296DEG 38KT 3578 8585 

HAIL...1.00IN
WIND...60MPH
 
$$

Rose

2 follow-up statements

028 
WWUS54 KOHX 272341
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
641 PM CDT WED JUN 27 2018

TNC041-272351-
/O.CAN.KOHX.SV.W.0113.000000T0000Z-180628T0000Z/
De Kalb TN-
641 PM CDT WED JUN 27 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL DE KALB COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3564 8582 3578 8571 3563 8537 3560 8539
      3555 8546 3553 8559
TIME...MOT...LOC 2341Z 303DEG 40KT 3566 8570 

$$

TNC175-177-280000-
/O.CON.KOHX.SV.W.0113.000000T0000Z-180628T0000Z/
Van Buren TN-Warren TN-
641 PM CDT WED JUN 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHWESTERN VAN BUREN AND EASTERN WARREN COUNTIES...

At 641 PM CDT, a severe thunderstorm was located near McMinnville,
moving southeast at 45 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
McMinnville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3564 8582 3578 8571 3563 8537 3560 8539
      3555 8546 3553 8559
TIME...MOT...LOC 2341Z 303DEG 40KT 3566 8570 

HAIL...1.00IN
WIND...60MPH
 
$$

Rose

000 
WWUS54 KOHX 272359
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
659 PM CDT WED JUN 27 2018

TNC175-177-280009-
/O.EXP.KOHX.SV.W.0113.000000T0000Z-180628T0000Z/
Van Buren TN-Warren TN-
659 PM CDT WED JUN 27 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN VAN BUREN AND
EASTERN WARREN COUNTIES WILL EXPIRE AT 700 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

LAT...LON 3564 8582 3578 8571 3563 8537 3560 8539
      3555 8546 3553 8559
TIME...MOT...LOC 2359Z 296DEG 38KT 3558 8551 

$$

Rose

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 8:28 PM CDT	Special Weather Statement	OHX	Montgomery, Stewart	47 min
Jun 26, 8:42 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Stewart	48 min
Jun 26, 9:08 PM CDT	Special Weather Statement	OHX	Houston, Humphreys, Montgomery, Stewart	52 min
Jun 26, 9:48 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Stewart	42 min
Jun 26, 9:59 PM CDT	Special Weather Statement	OHX	Houston, Humphreys, Montgomery, Robertson, Stewart	61 min
Jun 26, 10:38 PM CDT	Special Weather Statement	OHX	Cheatham, Robertson, Sumner	37 min
Jun 26, 11:14 PM CDT	Special Weather Statement	OHX	Cheatham, Davidson, Macon, Sumner, Trousdale	46 min
Jun 27, 12:25 AM CDT	Special Weather Statement	OHX	Clay, Fentress, Jackson, Overton, Pickett, Putnam	50 min
Jun 27, 2:11 AM CDT	Special Weather Statement	OHX	Bedford, Coffee	34 min
Jun 27, 2:38 AM CDT	Special Weather Statement	OHX	Warren	52 min
Jun 27, 3:21 AM CDT	Special Weather Statement	OHX	Grundy, Van Buren	24 min
Jun 27, 6:37 AM CDT	Areal Flood Advisory	OHX	Davidson, Sumner, Wilson	113 min
Jun 27, 7:48 AM CDT	Areal Flood Advisory	OHX	Macon, Smith, Sumner, Trousdale, Wilson	117 min
Jun 27, 8:10 AM CDT	Special Weather Statement	OHX	Smith	35 min
Jun 27, 8:44 AM CDT	Areal Flood Advisory	OHX	Macon, Smith, Trousdale, Wilson	2 hr
Jun 27, 9:47 AM CDT	Areal Flood Advisory	OHX	Clay, Jackson, Putnam, Smith	118 min
Jun 27, 12:23 PM CDT	Special Weather Statement	OHX	DeKalb, White	52 min
Jun 27, 12:45 PM CDT	Areal Flood Advisory	OHX	DeKalb	3 hr
Jun 27, 1:35 PM CDT	Areal Flood Advisory	OHX	Putnam, White	115 min
Jun 27, 2:15 PM CDT	Special Weather Statement	OHX	Clay, Macon, Pickett	60 min
Jun 27, 2:21 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Overton, Pickett	39 min
Jun 27, 2:31 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon	29 min
Jun 27, 2:58 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Fentress, Jackson, Macon, Overton, Pickett	47 min
Jun 27, 3:24 PM CDT	Special Weather Statement	OHX	Dickson, Humphreys	51 min
Jun 27, 3:35 PM CDT	Flash Flood Warning	OHX	Clay, Jackson, Macon, Smith	115 min
Jun 27, 3:36 PM CDT	Special Weather Statement	OHX	Macon	39 min
Jun 27, 3:47 PM CDT	Special Weather Statement	OHX	Robertson	28 min
Jun 27, 3:55 PM CDT	Special Weather Statement	OHX	Cheatham, Dickson	50 min
Jun 27, 4:02 PM CDT	Special Weather Statement	OHX	Putnam, Smith	28 min
Jun 27, 4:05 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson	12 min
Jun 27, 4:08 PM CDT	Severe Thunderstorm Warning	OHX	Robertson, Sumner	18 min
Jun 27, 4:17 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Montgomery, Robertson	28 min
Jun 27, 4:23 PM CDT	Special Weather Statement	OHX	White	37 min
Jun 27, 4:24 PM CDT	Severe Thunderstorm Warning	OHX	Macon, Sumner, Trousdale, Wilson	36 min
Jun 27, 4:46 PM CDT	Special Weather Statement	OHX	Van Buren	29 min
Jun 27, 4:51 PM CDT	Special Weather Statement	OHX	Davidson	24 min
Jun 27, 4:54 PM CDT	Severe Thunderstorm Warning	OHX	Jackson, Macon, Smith, Trousdale, Wilson	36 min
Jun 27, 4:56 PM CDT	Special Weather Statement	OHX	Wilson	34 min
Jun 27, 5:00 PM CDT	Special Weather Statement	OHX	Davidson	30 min
Jun 27, 5:13 PM CDT	Severe Thunderstorm Warning	OHX	Van Buren, Warren, White	20 min
Jun 27, 5:17 PM CDT	Flash Flood Warning	OHX	Clay, Jackson, Macon, Overton, Putnam, Smith and 1 more	3 hr
Jun 27, 5:25 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Smith, Wilson	22 min
Jun 27, 5:26 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Jackson, Putnam, Smith, White	34 min
Jun 27, 5:51 PM CDT	Special Weather Statement	OHX	DeKalb	24 min
Jun 27, 6:02 PM CDT	Special Weather Statement	OHX	White	28 min
Jun 27, 6:38 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy	18 min
Jun 27, 6:58 PM CDT	Special Weather Statement	OHX	Coffee, Grundy	32 min

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.