Alert archive / Kentucky / Tornado Warnings in 2018

Tornado Warning 10, NWS Louisville, KY

April 3, 2018Boyle County, Marion County, Kentucky

NWS Louisville, KY issued this tornado warning at Apr 3, 2018, 9:07 PM EDT for Boyle County, Marion County, Kentucky. It was in force for 23 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, 9:07 PM EDT (01:07 UTC)
Expired: Apr 3, 2018, 9:30 PM EDT
In force: 23 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Boyle County, KY, Marion County, KY

The radar

The Louisville radar (KLVX), 96 km from the middle of the area, began a volume at 01:07 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, 9:34 PM EDT	TORNADO	3 Nne Parksville, KY	A NWS STORM SURVEY DETERMINED AN EF-1 TORNADO WITH MAXIMUM WINDS OF 90-95 MPH OCCURRED 5.9 MILES WEST-SOUTHWEST OF DANVILLE, KY. THE TORNADO DESTROYED OR HEAVILY DAMAGED SEVERAL BARNS, AND TOOK THE ROOF OFF A SINGLE STORY BRICK HOME ON WEBSTER ROAD. THE DAMAGE
Apr 3, 9:35 PM EDT	TSTM WND GST 59	2 Ne Parksville, KY	REPORTED AT BOYLE COUNTY.

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, 7:30 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.1 hours before the alert went out and 213 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.

692 
WFUS53 KLMK 040107
TORLMK
KYC021-155-040130-
/O.NEW.KLMK.TO.W.0010.180404T0107Z-180404T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
907 PM EDT TUE APR 3 2018

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  East central Marion County in central Kentucky...
  Southwestern Boyle County in central Kentucky...

* Until 930 PM EDT
    
* At 906 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Lebanon, moving east at 40 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. 

* Locations impacted include...
  Lebanon, Brumfield, Alum Springs, Mitchellsburg, Parksville, Gravel
  Switch, Forkland, Riley, Penick and Aliceton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3755 8484 3753 8491 3753 8500 3755 8500
      3755 8503 3754 8504 3752 8504 3750 8525
      3758 8525 3767 8485 3756 8482
TIME...MOT...LOC 0106Z 255DEG 36KT 3754 8519 

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

$$

DM

1 follow-up statement

719 
WWUS53 KLMK 040115
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
915 PM EDT TUE APR 3 2018

KYC021-155-040130-
/O.CON.KLMK.TO.W.0010.000000T0000Z-180404T0130Z/
Marion KY-Boyle KY-
915 PM EDT TUE APR 3 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR EAST
CENTRAL MARION AND SOUTHWESTERN BOYLE COUNTIES...
    
At 915 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles east of Lebanon, moving east at 40 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. 

Locations impacted include...
Brumfield, Alum Springs, Mitchellsburg, Parksville, Gravel Switch,
Forkland, Riley and Aliceton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3755 8484 3753 8491 3753 8500 3755 8500
      3755 8503 3754 8504 3752 8504 3751 8510
      3761 8512 3767 8485 3756 8482
TIME...MOT...LOC 0115Z 255DEG 36KT 3756 8508 

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

$$

DM

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 8:03 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Ohio	27 min
Apr 3, 8:12 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Nelson	33 min
Apr 3, 8:17 PM EDT	Tornado Warning	LMK	Hardin, Larue	28 min
Apr 3, 8:21 PM EDT	Severe Thunderstorm Warning	LMK	Henry, Trimble	9 min
Apr 3, 8:28 PM EDT	Severe Thunderstorm Warning	LMK	Green, Hart, Larue	32 min
Apr 3, 8:31 PM EDT	Special Weather Statement	LMK	Henry	29 min
Apr 3, 8:31 PM EDT	Severe Thunderstorm Warning	LMK	Larue, Marion, Nelson, Washington	29 min
Apr 3, 8:34 PM EDT	Special Weather Statement	LMK	Edmonson, Warren	26 min
Apr 3, 8:35 PM EDT	Tornado Warning	LMK	Larue, Marion, Nelson	25 min
Apr 3, 8:36 PM EDT	Severe Thunderstorm Warning	LMK	Edmonson, Hart, Warren	24 min
Apr 3, 8:37 PM EDT	Special Weather Statement	LMK	Anderson, Mercer	23 min
Apr 3, 8:40 PM EDT	Special Weather Statement	LMK	Henry, Shelby	35 min
Apr 3, 8:41 PM EDT	Tornado Warning Tornado observed	LMK	Green, Hart	19 min
Apr 3, 8:57 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Casey, Garrard, Lincoln, Marion, Mercer and 1 more	48 min
Apr 3, 8:59 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Edmonson, Green, Hart, Lincoln and 4 more	46 min
Apr 3, 9:01 PM EDT	Special Weather Statement	LMK	Anderson	29 min
Apr 3, 9:11 PM EDT	Tornado Warning	LMK	Marion, Taylor	19 min
Apr 3, 9:14 PM EDT	Severe Thunderstorm Warning	LMK	Harrison, Scott	31 min
Apr 3, 9:20 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock	25 min
Apr 3, 9:25 PM EDT	Tornado Warning	LMK	Casey, Marion, Taylor	20 min
Apr 3, 9:31 PM EDT	Tornado Warning	LMK	Boyle, Garrard, Lincoln	29 min
Apr 3, 9:37 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Jessamine	23 min
Apr 3, 9:41 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hardin	21 min
Apr 3, 9:41 PM EDT	Tornado Warning	LMK	Casey, Garrard, Lincoln	19 min
Apr 3, 9:46 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Logan, Warren	29 min
Apr 3, 9:47 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Lincoln	28 min
Apr 3, 9:56 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Madison	49 min
Apr 3, 9:56 PM EDT	Tornado Warning	LMK	Garrard, Lincoln	34 min
Apr 3, 9:59 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark	31 min
Apr 3, 10:04 PM EDT	Severe Thunderstorm Warning	LMK	Madison	26 min
Apr 3, 10:11 PM EDT	Severe Thunderstorm Warning	LMK	Logan, Simpson	34 min
Apr 3, 10:15 PM EDT	Severe Thunderstorm Warning	LMK	Lincoln	30 min
Apr 3, 10:16 PM EDT	Tornado Warning	LMK	Madison	14 min
Apr 3, 10:27 PM EDT	Special Weather Statement	LMK	Mercer, Washington	33 min
Apr 3, 10:34 PM EDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Simpson, Warren	26 min
Apr 3, 10:39 PM EDT	Special Weather Statement	LMK	Green, Marion, Taylor	36 min
Apr 3, 10:57 PM EDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Cumberland, Metcalfe, Monroe	33 min
Apr 3, 11:05 PM EDT	Special Weather Statement	LMK	Bourbon, Boyle, Clark, Fayette, Garrard, Jessamine and 3 more	25 min
Apr 3, 11:18 PM EDT	Special Weather Statement	LMK	Clinton, Cumberland	27 min
Apr 3, 11:39 PM EDT	Special Weather Statement	LMK	Casey, Lincoln	21 min
Apr 4, 12:09 AM EDT	Severe Thunderstorm Warning	LMK	Garrard, Madison	21 min
Apr 4, 3:43 AM EDT	Freeze Warning	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	30 hr
Apr 4, 11:18 AM EDT	River Flood Warning	LMK	Jefferson, Oldham	4 days
Apr 4, 11:18 AM EDT	River Flood Warning	LMK	Hardin, Jefferson, Meade	27 hr

Nearby

Tornado Warnings in Kentucky, 2018 Every tornado warning in 2018 Tornadoes 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.