Alert archive / Kentucky / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 25, NWS Louisville, KY

March 12, 2020Butler County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 12, 2020, 4:01 PM CDT for Butler County, Kentucky. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 12, 2020, 4:01 PM CDT (21:01 UTC)
Expired
Mar 12, 2020, 4:30 PM CDT
In force
29 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Butler County, KY

The radar

The Ft Campbell radar (KHPX), 75 km from the middle of the area, began a volume at 21:03 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, 9.0 hours before the alert went out and 120 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°0°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

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 12, 2:03 PM CDT, 1 hour 58 minutes earlier.

Area forecast discussion, Mar 12, 2:03 PM CDT, 1 hour 58 minutes before
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Hazardous weather outlook, Mar 12, 11:13 AM CDT, 4 hours 48 minutes before
Hazardous Weather Outlook
National Weather Service Louisville KY
1213 PM EDT Thu Mar 12 2020

INZ076-077-083-084-089>092-KYZ023>043-045>049-053>057-131615-
Orange-Washington-Dubois-Crawford-Perry-Harrison-Floyd-Clark-Hancock-
Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-Jefferson-Oldham-
Trimble-Henry-Shelby-Franklin-Scott-Spencer-Anderson-Woodford-
Fayette-Bourbon-Nicholas-Nelson-Mercer-Jessamine-Larue-Marion-Boyle-
Garrard-Madison-
Including the cities of Paoli, Salem, Jasper, English, Tell City,
Corydon, New Albany, Jeffersonville, Lewisport, Hawesville,
Hardinsburg, Brandenburg, Hartford, Leitchfield, Elizabethtown,
Shepherdsville, Louisville, La Grange, Bedford, Milton, New Castle,
Shelbyville, Frankfort, Georgetown, Cynthiana, Taylorsville,
Lawrenceburg, Versailles, Lexington, Paris, Carlisle, Bardstown,
Springfield, Harrodsburg, Nicholasville, Winchester, Hodgenville,
Lebanon, Danville, Lancaster, and Richmond
1213 PM EDT Thu Mar 12 2020 /1113 AM CDT Thu Mar 12 2020/

...FLASH FLOOD WATCH IN EFFECT FROM 5 PM EDT /4 PM CDT/ THIS
AFTERNOON THROUGH LATE TONIGHT...

This hazardous weather outlook is for portions of south central
Indiana and Central Kentucky.

.DAY ONE...This Afternoon and Tonight.

Thunderstorms are likely this afternoon and evening in advance of a
cold frontal passage. Scattered severe storms are expected. These
storms will be capable of tornadoes, damaging winds, and large hail.
Possible training storms with heavy rain are also capable of
producing flash flooding. The most likely time frame for severe
weather is 4 PM EDT to Midnight EDT.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters should activate this afternoon and evening, especially after
3 PM EDT. Relay any severe weather to the National Weather Service in
Louisville.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

KYZ061>067-070>078-081-082-131615-
Butler-Edmonson-Hart-Green-Taylor-Casey-Lincoln-Logan-Warren-Simpson-
Allen-Barren-Monroe-Metcalfe-Adair-Russell-Cumberland-Clinton-
Including the cities of Morgantown, Brownsville, Horse Cave,
Greensburg, Campbellsville, Liberty, Stanford, Russellville,
Bowling Green, Franklin, Providence, Scottsville, Glasgow,
Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville,
and Albany
1213 PM EDT Thu Mar 12 2020 /1113 AM CDT Thu Mar 12 2020/

This hazardous weather outlook is for portions of south central
Kentucky.

.DAY ONE...This Afternoon and Tonight.

Thunderstorms are likely this afternoon and evening in advance of a
cold frontal passage. Scattered severe storms are expected. These
storms will be capable of tornadoes, damaging winds, large hail, and
locally heavy rainfall. The most likely time frame for severe
weather is 3 PM EDT to Midnight EDT.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters should activate this afternoon and evening, especially after
3 PM EDT. Relay any severe weather to the National Weather Service in
Louisville.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

INZ078-079-131615-
Scott-Jefferson-
Including the cities of Scottsburg and Madison
1213 PM EDT Thu Mar 12 2020

This hazardous weather outlook is for portions of south central
Indiana.

.DAY ONE...This Afternoon and Tonight.

Thunderstorms are likely this afternoon and evening in advance of a
cold frontal passage. Scattered severe storms are expected. These
storms will be capable of tornadoes, damaging winds, large hail, and
locally heavy rainfall. The most likely time frame for severe
weather is 6 PM EDT to Midnight EDT.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters should activate this afternoon and evening, especially after
3 PM EDT. Relay any severe weather to the National Weather Service in
Louisville.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

CG/RJS

In the hours before

Special weather statement, Mar 12, 3:37 PM CDT, 24 minutes before
Special Weather Statement
National Weather Service Louisville KY
337 PM CDT Thu Mar 12 2020

KYZ070>072-122100-
Warren-Logan-Simpson-
337 PM CDT Thu Mar 12 2020

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN LOGAN...SIMPSON AND
SOUTHWESTERN WARREN COUNTIES...

At 336 PM CDT, a strong thunderstorm was located 8 miles southwest of
Russellville, moving east at 60 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Southwestern Bowling Green, Russellville, Crestmoor, Memphis
Junction, Auburn, Adairville, Woodburn, Gordonsville, Black Jack and
Dennis.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Tornado Watch remains in effect until 500 PM CDT for south central
Kentucky.

LAT...LON 3665 8659 3664 8688 3665 8706 3674 8706
      3676 8705 3686 8706 3698 8645 3665 8643
      3665 8651 3663 8656
TIME...MOT...LOC 2036Z 265DEG 57KT 3675 8697

RJS
Special weather statement, Mar 12, 3:50 PM CDT, 11 minutes before
Special Weather Statement
National Weather Service Louisville KY
350 PM CDT Thu Mar 12 2020

KYZ026-061-071-122130-
Warren-Butler-Ohio-
350 PM CDT Thu Mar 12 2020

...A STRONG THUNDERSTORM WILL AFFECT BUTLER...NORTHWESTERN WARREN AND
SOUTH CENTRAL OHIO COUNTIES...

At 350 PM CDT, a strong thunderstorm was located near Dunmor, moving
east at 50 mph.

Winds in excess of 40 mph and half inch hail are possible with this
storm.

Locations impacted include...
Morgantown, Casey, Lee, Rochester, Woodbury, Monford, Huntsville,
Mining City, Dimple and Aberdeen.

A Tornado Watch remains in effect until 500 PM CDT for south central
and central Kentucky.

LAT...LON 3737 8653 3737 8650 3707 8639 3707 8694
      3708 8693 3709 8690 3710 8690 3711 8689
      3713 8690 3713 8692 3716 8693 3718 8692
      3718 8690 3719 8689 3719 8691 3722 8690
      3723 8692 3724 8691 3724 8694 3728 8698
TIME...MOT...LOC 2050Z 266DEG 42KT 3717 8696

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, 4:04 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, 4:33 PM CDTTornado WarningLMKButler, Edmonson, Grayson27 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

Severe Thunderstorm Warnings in Kentucky, 2020Every severe thunderstorm warning 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.