Alert archive / Kentucky / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 119, NWS Louisville, KY

June 12, 2018Breckinridge County, Hardin County, Meade County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 12, 2018, 3:43 PM CDT for Breckinridge County, Hardin County, Meade County, Kentucky. It was in force for 47 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: Jun 12, 2018, 3:43 PM CDT (20:43 UTC)
Expired: Jun 12, 2018, 4:30 PM CDT
In force: 47 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Breckinridge County, KY, Hardin County, KY, Meade County, KY

The radar

The Louisville radar (KLVX), 29 km from the middle of the area, began a volume at 20:44 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.7 hours before the alert went out and 191 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: 1248 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 676 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: -6 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 Jun 12, 2:29 PM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Jun 12, 2:29 PM CDT, 1 hour 14 minutes before

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Hazardous weather outlook, Jun 12, 2:41 PM CDT, 1 hour 2 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
341 PM EDT Tue Jun 12 2018

INZ079-KYZ026>043-045>049-053>057-061>067-070>078-081-082-131945-
Jefferson-Ohio-Grayson-Hardin-Bullitt-Oldham-Trimble-Henry-Shelby-
Franklin-Scott-Harrison-Spencer-Anderson-Woodford-Fayette-Bourbon-
Nicholas-Nelson-Washington-Mercer-Jessamine-Clark-Larue-Marion-Boyle-
Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-Lincoln-
Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-Russell-
Cumberland-Clinton-
Including the cities of Madison, 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, Richmond, Morgantown,
Brownsville, Horse Cave, Greensburg, Campbellsville, Liberty,
Stanford, Russellville, Bowling Green, Franklin, Providence,
Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown,
Burkesville, and Albany
341 PM EDT Tue Jun 12 2018 /241 PM CDT Tue Jun 12 2018/

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

.DAY ONE...Tonight.

Scattered to numerous thunderstorms are expected this evening into
tonight. Strong winds and small hail are possible with the stronger
storms, and heavy rainfall could result in minor flooding issues.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Scattered thunderstorms are possible on Wednesday. Heavy rainfall,
gusty winds, and small hail will be the main threats with the
strongest storms.

Strong high pressure will bring increased heat and humidity into the
region over the weekend into early next week. Afternoon heat index
values are expected to top out in the 95 to 100 degree range each day
Saturday through Monday. Take the necessary precautions if planning
to be outdoors during these days.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report any strong winds, hail, heavy
rainfall amounts or flooding to the National Weather Service in
Louisville.

INZ076>078-083-084-089>092-KYZ023>025-131945-
Orange-Washington-Scott-Dubois-Crawford-Perry-Harrison-Floyd-Clark-
Hancock-Breckinridge-Meade-
Including the cities of Paoli, Salem, Scottsburg, Jasper, English,
Tell City, Corydon, New Albany, Jeffersonville, Lewisport,
Hawesville, Hardinsburg, and Brandenburg
341 PM EDT Tue Jun 12 2018 /241 PM CDT Tue Jun 12 2018/

...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

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

.DAY ONE...Tonight.

Scattered to numerous thunderstorms are expected this evening into
tonight. Strong winds and small hail are possible with the stronger
storms, and heavy rainfall could result in flash flooding.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Scattered thunderstorms are possible on Wednesday. Heavy rainfall,
gusty winds, and small hail will be the main threats with the
strongest storms.

Strong high pressure will bring increased heat and humidity into the
region over the weekend into early next week. Afternoon heat index
values are expected to top out in the 95 to 100 degree range each day
Saturday through Monday. Take the necessary precautions if planning
to be outdoors during these days.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report any strong winds, hail, heavy
rainfall amounts or flooding to the National Weather Service in
Louisville.

AMS/BJS

In the hours before

Special weather statement, Jun 12, 12:41 PM CDT, 3 hours 2 minutes before

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Special weather statement, Jun 12, 1:22 PM CDT, 2 hours 21 minutes before

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Special weather statement, Jun 12, 1:54 PM CDT, 1 hour 49 minutes before

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Special weather statement, Jun 12, 2:37 PM CDT, 1 hour 6 minutes before

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Special weather statement, Jun 12, 3:18 PM CDT, 25 minutes before

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Special weather statement, Jun 12, 3:34 PM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 8:08 PM CDT	Special Weather Statement	LMK	Barren	37 min
Jun 11, 9:02 PM CDT	Special Weather Statement	LMK	Hart	28 min
Jun 11, 9:59 PM CDT	Areal Flood Advisory	LMK	Green	2 hr
Jun 11, 11:18 PM CDT	Special Weather Statement	LMK	Jefferson	27 min
Jun 11, 11:20 PM CDT	Special Weather Statement	LMK	Garrard, Lincoln	25 min
Jun 12, 11:45 AM CDT	Special Weather Statement	LMK	Spencer	30 min
Jun 12, 12:09 PM CDT	Special Weather Statement	LMK	Anderson	36 min
Jun 12, 12:41 PM CDT	Special Weather Statement	LMK	Scott, Woodford	49 min
Jun 12, 1:11 PM CDT	Flash Flood Watch	LMK	Breckinridge, Hancock, Meade	7 hr
Jun 12, 1:22 PM CDT	Special Weather Statement	LMK	Bourbon	38 min
Jun 12, 1:28 PM CDT	Areal Flood Advisory	LMK	Bourbon, Nicholas	2 hr
Jun 12, 1:54 PM CDT	Special Weather Statement	LMK	Ohio	36 min
Jun 12, 2:37 PM CDT	Special Weather Statement	LMK	Ohio	38 min
Jun 12, 3:18 PM CDT	Special Weather Statement	LMK	Breckinridge	42 min
Jun 12, 3:34 PM CDT	Special Weather Statement	LMK	Grayson	26 min
Jun 12, 4:06 PM CDT	Special Weather Statement	LMK	Edmonson, Grayson	39 min
Jun 12, 4:22 PM CDT	Special Weather Statement	LMK	Hardin, Meade	23 min
Jun 12, 4:56 PM CDT	Special Weather Statement	LMK	Hardin	34 min
Jun 12, 4:59 PM CDT	Special Weather Statement	LMK	Bullitt, Nelson	31 min
Jun 12, 5:18 PM CDT	Special Weather Statement	LMK	Hancock	42 min
Jun 12, 5:23 PM CDT	Special Weather Statement	LMK	Bullitt, Larue, Nelson, Spencer	37 min
Jun 12, 5:30 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Larue, Nelson	30 min
Jun 12, 5:36 PM CDT	Severe Thunderstorm Warning	LMK	Hardin, Larue	9 min
Jun 12, 5:50 PM CDT	Special Weather Statement	LMK	Spencer	25 min
Jun 12, 5:55 PM CDT	Special Weather Statement	LMK	Nelson	35 min
Jun 12, 6:00 PM CDT	Special Weather Statement	LMK	Breckinridge, Hancock, Ohio	45 min
Jun 12, 6:10 PM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	35 min
Jun 12, 6:15 PM CDT	Special Weather Statement	LMK	Anderson, Boyle, Franklin, Marion, Mercer, Taylor and 2 more	45 min
Jun 12, 6:29 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Mercer, Washington	31 min
Jun 12, 6:37 PM CDT	Areal Flood Advisory	LMK	Anderson, Mercer, Washington	113 min
Jun 12, 6:42 PM CDT	Special Weather Statement	LMK	Breckinridge, Ohio	63 min
Jun 12, 6:58 PM CDT	Special Weather Statement	LMK	Boyle, Mercer	47 min
Jun 11, 10:20 PM CDT	Special Weather Statement	LMK	Dubois, Perry	55 min
Jun 12, 2:41 AM CDT	Flash Flood Watch	LMK	Clark, Dubois, Orange, Scott, Washington	10 hr
Jun 12, 8:52 AM CDT	Flash Flood Warning	LMK	Dubois	3 hr
Jun 12, 10:04 AM CDT	Areal Flood Advisory	LMK	Dubois	3 hr
Jun 12, 4:34 PM CDT	Special Weather Statement	LMK	Dubois	41 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2018 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.