Alert archive / Kentucky / Tornado Warnings in 2018

Tornado Warning 39, NWS Louisville, KY

September 8, 2018Hancock County, Kentucky; Perry County, Indiana

NWS Louisville, KY issued this tornado warning at Sep 8, 2018, 4:54 PM CDT for Hancock County, Kentucky; Perry County, Indiana. It was in force for 36 min. 1 report 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: Sep 8, 2018, 4:54 PM CDT (21:54 UTC)
Expired: Sep 8, 2018, 5:30 PM CDT
In force: 36 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Tornado: Radar indicated

Counties Perry County, IN, Hancock County, KY

The radar

The Louisville radar (KLVX), 74 km from the middle of the area, began a volume at 21:57 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
Sep 8, 5:00 PM CDT	TSTM WND DMG	3 Nnw Tell City, IN	TREES DOWN BETWEEN TELL CITY AND TROY.

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.9 hours before the alert went out and 212 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: 613 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 1106 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

003 
WFUS53 KLMK 082154
TORLMK
INC123-KYC091-082230-
/O.NEW.KLMK.TO.W.0039.180908T2154Z-180908T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
454 PM CDT SAT SEP 8 2018

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  West central Perry County in south central Indiana...
  North central Hancock County in central Kentucky...

* Until 530 PM CDT.
    
* At 453 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Adair, moving northeast at 30 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...
  Tell City, Troy, Petri, Adair, Lilly Dale, Fenn Haven, and 
  Gatchel. 

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado.

&&

LAT...LON 3799 8684 3800 8681 3802 8680 3800 8678
      3800 8677 3803 8678 3803 8677 3804 8679
      3806 8677 3808 8678 3810 8677 3811 8679
      3814 8677 3802 8656 3790 8682 3794 8687
TIME...MOT...LOC 2153Z 228DEG 24KT 3796 8681 

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

$$

13

2 follow-up statements

307 
WWUS53 KLMK 082205
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
505 PM CDT SAT SEP 8 2018

KYC091-082214-
/O.CAN.KLMK.TO.W.0039.000000T0000Z-180908T2230Z/
Hancock KY-
505 PM CDT SAT SEP 8 2018

...THE TORNADO WARNING FOR NORTH CENTRAL HANCOCK COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch is in effect until 1000 PM CDT.

LAT...LON 3802 8680 3800 8678 3800 8677 3803 8678
      3803 8677 3804 8679 3806 8677 3808 8678
      3809 8677 3810 8677 3811 8679 3814 8677
      3802 8656 3793 8676 3800 8681
TIME...MOT...LOC 2204Z 230DEG 17KT 3798 8677 

$$

INC123-082230-
/O.CON.KLMK.TO.W.0039.000000T0000Z-180908T2230Z/
Perry IN-
505 PM CDT SAT SEP 8 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR WEST
CENTRAL PERRY COUNTY...
    
At 504 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Tell City, moving northeast at 20 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...
Tell City, Troy, Lilly Dale, Gatchel, and Fenn Haven. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

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 3802 8680 3800 8678 3800 8677 3803 8678
      3803 8677 3804 8679 3806 8677 3808 8678
      3809 8677 3810 8677 3811 8679 3814 8677
      3802 8656 3793 8676 3800 8681
TIME...MOT...LOC 2204Z 230DEG 17KT 3798 8677 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

13

249 
WWUS53 KLMK 082226
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
526 PM CDT SAT SEP 8 2018

INC123-082235-
/O.EXP.KLMK.TO.W.0039.000000T0000Z-180908T2230Z/
Perry IN-
526 PM CDT SAT SEP 8 2018

...THE TORNADO WARNING FOR WEST CENTRAL PERRY COUNTY WILL EXPIRE AT
530 PM CDT...
                
The storm which prompted the warning has weakened.  However gusty 
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1000 PM CDT.

Trees were reported down as this storm moved between Tell City and 
Troy earlier.

Report severe weather to local law enforcement, post your report to
the National Weather Service Louisville  Facebook page, or tweet your
report using hashtag L, M, K, spotter.

LAT...LON 3802 8680 3800 8678 3800 8677 3803 8678
      3803 8677 3804 8679 3806 8677 3808 8678
      3809 8677 3810 8677 3811 8679 3814 8677
      3802 8656 3793 8676 3800 8681
TIME...MOT...LOC 2225Z 228DEG 24KT 3807 8665 

$$

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 7, 10:00 PM CDT	Special Weather Statement	LMK	Meade	45 min
Sep 8, 12:03 AM CDT	Special Weather Statement	LMK	Edmonson	42 min
Sep 8, 1:13 AM CDT	Special Weather Statement	LMK	Green	47 min
Sep 8, 7:30 AM CDT	Areal Flood Advisory	LMK	Nicholas	2 hr
Sep 8, 1:01 PM CDT	Areal Flood Advisory	LMK	Boyle, Clark, Fayette, Garrard, Jessamine, Lincoln and 1 more	119 min
Sep 8, 1:18 PM CDT	Special Weather Statement	LMK	Madison	27 min
Sep 8, 1:25 PM CDT	Severe Thunderstorm Warning	LMK	Madison	35 min
Sep 8, 2:34 PM CDT	Severe Thunderstorm Warning	LMK	Hancock	26 min
Sep 8, 3:09 PM CDT	Tornado Warning	LMK	Meade	36 min
Sep 8, 3:13 PM CDT	Areal Flood Advisory	LMK	Breckinridge, Hancock	2 hr
Sep 8, 3:20 PM CDT	Tornado Warning	LMK	Boyle, Casey, Lincoln	25 min
Sep 8, 3:45 PM CDT	Tornado Warning	LMK	Meade	30 min
Sep 8, 4:02 PM CDT	Special Weather Statement	LMK	Garrard, Lincoln	43 min
Sep 8, 4:23 PM CDT	Tornado Warning	LMK	Hancock	37 min
Sep 8, 5:32 PM CDT	Areal Flood Advisory	LMK	Meade	3 hr
Sep 8, 5:32 PM CDT	Special Weather Statement	LMK	Jefferson, Oldham	43 min
Sep 8, 5:45 PM CDT	Tornado Warning	LMK	Breckinridge, Meade	30 min
Sep 8, 6:08 PM CDT	Special Weather Statement	LMK	Shelby, Trimble	22 min
Sep 8, 6:34 PM CDT	Flash Flood Warning	LMK	Meade	116 min
Sep 8, 6:38 PM CDT	Special Weather Statement	LMK	Oldham	37 min
Sep 7, 7:04 PM CDT	Special Weather Statement	LMK	Orange	41 min
Sep 7, 7:35 PM CDT	Special Weather Statement	LMK	Perry	40 min
Sep 7, 8:15 PM CDT	Areal Flood Advisory	LMK	Perry	2 hr
Sep 7, 8:56 PM CDT	Special Weather Statement	LMK	Perry	34 min
Sep 7, 9:29 PM CDT	Special Weather Statement	LMK	Perry	46 min
Sep 8, 10:35 AM CDT	Areal Flood Advisory	LMK	Crawford, Dubois, Orange, Perry	6 hr
Sep 8, 2:30 PM CDT	Special Weather Statement	LMK	Perry	30 min
Sep 8, 2:40 PM CDT	Tornado Warning	LMK	Perry	35 min
Sep 8, 3:43 PM CDT	Flash Flood Warning	LMK	Perry	3 hr
Sep 8, 4:51 PM CDT	Flash Flood Warning	LMK	Crawford, Dubois, Perry	114 min

Nearby

Tornado Warnings in Kentucky, 2018 Tornado Warnings in Indiana, 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.