Alert archive / Kentucky / Tornado Warnings in 2018

Tornado Warning 41, NWS Louisville, KY

October 31, 2018Nelson County, Kentucky

NWS Louisville, KY issued this tornado warning at Oct 31, 2018, 6:06 PM EDT for Nelson County, Kentucky. It was in force for 24 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
Oct 31, 2018, 6:06 PM EDT (22:06 UTC)
Expired
Oct 31, 2018, 6:30 PM EDT
In force
24 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Nelson County, KY

The radar

The Louisville radar (KLVX), 33 km from the middle of the area, began a volume at 22:10 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

TimeReportWhereRemark
Oct 31, 6:24 PM EDTTSTM WND DMG1 Ene Nazareth, KYTREE DOWN BLOCKING VIRGINIA AVE. TIME ESTIMATED FROM RADAR.

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, 10.1 hours before the alert went out and 206 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2018-10-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2018-10-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
796 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

854 
WFUS53 KLMK 312206
TORLMK
KYC179-312230-
/O.NEW.KLMK.TO.W.0041.181031T2206Z-181031T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
606 PM EDT WED OCT 31 2018

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Northwestern Nelson County in central Kentucky...

* Until 630 PM EDT.
    
* At 606 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 11 miles northeast of Elizabethtown, moving east 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...
  Bardstown, Samuels Field Airport, Bellwood, Withrow, Bourbon
  Springs, Cravens and Hunters.

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 3789 8543 3776 8541 3777 8571 3778 8572
      3777 8573 3781 8573 3781 8572 3782 8568
      3782 8567 3783 8565
TIME...MOT...LOC 2206Z 255DEG 26KT 3779 8569 

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

$$

SCHOETTMER
2 follow-up statements
538 
WWUS53 KLMK 312218
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
618 PM EDT WED OCT 31 2018

KYC179-312230-
/O.CON.KLMK.TO.W.0041.000000T0000Z-181031T2230Z/
Nelson KY-
618 PM EDT WED OCT 31 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR CENTRAL
NELSON COUNTY...
    
At 617 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Bardstown, moving east 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...
Bardstown, Samuels Field Airport, Bellwood, Withrow, Bourbon Springs,
Cravens and Hunters.

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.

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 3789 8543 3776 8541 3777 8559 3785 8558
TIME...MOT...LOC 2217Z 255DEG 26KT 3781 8559 

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

$$

SCHOETTMER
010 
WWUS53 KLMK 312231
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
631 PM EDT WED OCT 31 2018

KYC179-312241-
/O.EXP.KLMK.TO.W.0041.000000T0000Z-181031T2230Z/
Nelson KY-
631 PM EDT WED OCT 31 2018

...THE TORNADO WARNING FOR CENTRAL NELSON COUNTY HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

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 3789 8543 3776 8541 3777 8559 3785 8558
TIME...MOT...LOC 2231Z 255DEG 26KT 3783 8548 

$$

SCHOETTMER

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 31, 4:49 PM EDTSpecial Weather StatementLMKBreckinridge26 min
Oct 31, 5:09 PM EDTSpecial Weather StatementLMKOhio21 min
Oct 31, 5:18 PM EDTSpecial Weather StatementLMKHardin27 min
Oct 31, 5:27 PM EDTAreal Flood AdvisoryLMKAnderson, Bourbon, Franklin, Harrison, Scott, Woodford3 hr
Oct 31, 5:41 PM EDTSevere Thunderstorm WarningLMKHardin, Larue, Nelson34 min
Oct 31, 5:45 PM EDTSpecial Weather StatementLMKGrayson30 min
Oct 31, 6:02 PM EDTSevere Thunderstorm WarningLMKHardin, Larue, Nelson28 min
Oct 31, 6:05 PM EDTSpecial Weather StatementLMKSpencer40 min
Oct 31, 6:29 PM EDTSevere Thunderstorm WarningLMKAnderson, Nelson, Washington31 min
Oct 31, 6:38 PM EDTAreal Flood WarningLMKHancock6 hr
Oct 31, 6:39 PM EDTSevere Thunderstorm WarningLMKAnderson, Nelson, Shelby, Spencer36 min
Oct 31, 6:43 PM EDTAreal Flood WarningLMKBreckinridge, Grayson, Hancock, Ohio6 hr
Oct 31, 6:58 PM EDTSpecial Weather StatementLMKMercer32 min
Oct 31, 7:03 PM EDTAreal Flood AdvisoryLMKAnderson, Bullitt, Jefferson, Shelby, Spencer3 hr
Oct 31, 7:32 PM EDTSpecial Weather StatementLMKFayette, Mercer, Woodford28 min

Nearby

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