Alert archive / Kentucky / Tornado Warnings in 2020

Tornado Warning 3, NWS Louisville, KY

March 12, 2020Butler County, Edmonson County, Grayson County, Kentucky

NWS Louisville, KY issued this tornado warning at Mar 12, 2020, 4:33 PM CDT for Butler County, Edmonson County, Grayson County, Kentucky. It was in force for 27 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
Mar 12, 2020, 4:33 PM CDT (21:33 UTC)
Expired
Mar 12, 2020, 5:00 PM CDT
In force
27 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Butler County, KY, Edmonson County, KY, Grayson County, KY

The radar

The Louisville radar (KLVX), 75 km from the middle of the area, began a volume at 21:37 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 12, 11:44 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.6 hours before the alert went out and 138 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 2020-03-12Temperature 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 2020-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 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
662 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

296 
WFUS53 KLMK 122133
TORLMK
KYC031-061-085-122200-
/O.NEW.KLMK.TO.W.0003.200312T2133Z-200312T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
433 PM CDT Thu Mar 12 2020

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  East central Butler County in south central Kentucky...
  Southeastern Grayson County in central Kentucky...
  Northern Edmonson County in south central Kentucky...

* Until 500 PM CDT.
    
* At 433 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles northwest of Brownsville, moving east at 40
  mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Roundhill, Black Gold, Broadway, Peonia, Sadler, Nash, Sunfish,
  Straw, Huff and Conoloway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This Tornado Warning replaces the Severe Thunderstorm Warning issued
for the same area.

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 3745 8618 3733 8612 3734 8614 3734 8615
      3735 8616 3733 8616 3725 8608 3722 8647
      3728 8652
TIME...MOT...LOC 2133Z 250DEG 33KT 3726 8645 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RJS
2 follow-up statements
281 
WWUS53 KLMK 122140
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
440 PM CDT Thu Mar 12 2020

KYC031-122150-
/O.CAN.KLMK.TO.W.0003.000000T0000Z-200312T2200Z/
Butler KY-
440 PM CDT Thu Mar 12 2020

...THE TORNADO WARNING FOR EAST CENTRAL BUTLER 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 remains in effect until 500 PM CDT for south central
and central Kentucky.

LAT...LON 3745 8618 3733 8612 3734 8614 3734 8615
      3735 8616 3733 8616 3725 8608 3723 8642
      3732 8644
TIME...MOT...LOC 2140Z 250DEG 33KT 3728 8637 

$$

KYC061-085-122200-
/O.CON.KLMK.TO.W.0003.000000T0000Z-200312T2200Z/
Grayson KY-Edmonson KY-
440 PM CDT Thu Mar 12 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN GRAYSON AND NORTHERN EDMONSON COUNTIES...
    
At 440 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northwest of Brownsville, moving east at 40 mph.

HAZARD...Tornado and quarter size hail.

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...
Black Gold, Broadway, Peonia, Sadler, Nash, Sunfish, Straw, Huff,
Conoloway and Iberia.

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 3745 8618 3733 8612 3734 8614 3734 8615
      3735 8616 3733 8616 3725 8608 3723 8642
      3732 8644
TIME...MOT...LOC 2140Z 250DEG 33KT 3728 8637 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RJS
555 
WWUS53 KLMK 122147
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
447 PM CDT Thu Mar 12 2020

KYC061-085-122200-
/O.CON.KLMK.TO.W.0003.000000T0000Z-200312T2200Z/
Grayson KY-Edmonson KY-
447 PM CDT Thu Mar 12 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN GRAYSON AND NORTHEASTERN EDMONSON COUNTIES...
    
At 444 PM CDT, a confirmed tornado was located near Brownsville, 
moving east at 40 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Fire department confirmed tornado.

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...
Ollie, Black Gold, Bee Spring, Ponderosa, Prosperity, Broadway,
Sunfish, Straw, Conoloway and Huffman.

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 3742 8617 3733 8612 3734 8614 3734 8615
      3735 8616 3733 8616 3725 8608 3724 8635
      3730 8638
TIME...MOT...LOC 2146Z 250DEG 36KT 3727 8630 

TORNADO...OBSERVED
HAIL...1.00IN

$$

RJS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 9:57 AM CDTFlash Flood WatchLMKAnderson, Bourbon, Boyle, Breckinridge, Bullitt, Clark and 25 more15 hr
Mar 12, 3:37 PM CDTSpecial Weather StatementLMKLogan, Simpson23 min
Mar 12, 3:50 PM CDTSpecial Weather StatementLMKButler40 min
Mar 12, 4:01 PM CDTSevere Thunderstorm WarningLMKButler29 min
Mar 12, 4:04 PM CDTSpecial Weather StatementLMKAllen, Simpson26 min
Mar 12, 4:12 PM CDTSpecial Weather StatementLMKHancock48 min
Mar 12, 4:28 PM CDTSevere Thunderstorm WarningLMKButler, Edmonson, Grayson32 min
Mar 12, 4:54 PM CDTSpecial Weather StatementLMKGrayson36 min
Mar 12, 4:57 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hancock, Hardin, Ohio33 min
Mar 12, 4:58 PM CDTTornado WarningLMKEdmonson, Hart32 min
Mar 12, 4:59 PM CDTSevere Thunderstorm WarningLMKButler, Ohio46 min
Mar 12, 5:27 PM CDTSevere Thunderstorm WarningLMKButler, Edmonson, Warren59 min
Mar 12, 5:31 PM CDTSevere Thunderstorm WarningLMKGrayson, Hardin, Hart, Larue29 min
Mar 12, 5:34 PM CDTFlash Flood WarningLMKGrayson, Hardin3 hr
Mar 12, 5:34 PM CDTSpecial Weather StatementLMKBreckinridge, Hancock26 min
Mar 12, 5:41 PM CDTFlash Flood WarningLMKButler, Ohio3 hr
Mar 12, 5:43 PM CDTSevere Thunderstorm WarningLMKGreen, Hart, Taylor47 min
Mar 12, 5:59 PM CDTFlash Flood WarningLMKHart3 hr
Mar 12, 6:03 PM CDTSevere Thunderstorm WarningLMKButler, Ohio, Warren27 min
Mar 12, 6:05 PM CDTSevere Thunderstorm WarningLMKBarren38 min
Mar 12, 6:16 PM CDTFlash Flood WarningLMKGreen, Taylor3 hr
Mar 12, 6:21 PM CDTFlash Flood WarningLMKBarren, Edmonson, Hart, Warren3 hr
Mar 12, 6:24 PM CDTSevere Thunderstorm WarningLMKButler, Edmonson, Warren36 min
Mar 12, 6:27 PM CDTSevere Thunderstorm WarningLMKAdair, Casey, Green, Taylor33 min
Mar 12, 6:40 PM CDTSpecial Weather StatementLMKAdair, Metcalfe35 min
Mar 12, 6:45 PM CDTSevere Thunderstorm WarningLMKBarren, Edmonson, Warren45 min
Mar 12, 6:52 PM CDTFlash Flood WarningLMKLarue2 hr
Mar 12, 6:59 PM CDTTornado WarningLMKAdair, Casey, Taylor31 min

Nearby

Tornado Warnings in Kentucky, 2020Every tornado warning in 2020Tornadoes in 2020

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.