Alert archive / Kentucky / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 94, NWS Louisville, KY

June 17, 2019Spencer County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 17, 2019, 9:58 PM EDT for Spencer County, Kentucky. It was in force for 17 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 17, 2019, 9:58 PM EDT (01:58 UTC)
Expired: Jun 17, 2019, 10:15 PM EDT
In force: 17 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Spencer County, KY

The radar

The Louisville radar (KLVX), 54 km from the middle of the area, began a volume at 01:58 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.0 hours before the alert went out and 204 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: 764 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 821 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.2

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 17, 9:55 PM EDT, 3 minutes earlier.

Area forecast discussion, Jun 17, 9:55 PM EDT, 3 minutes before

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Hazardous weather outlook, Jun 17, 3:56 PM EDT, 6 hours 2 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
356 PM EDT Mon Jun 17 2019

INZ076>079-083-084-089>092-KYZ025-029>043-047>049-055>057-182000-
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Meade-Bullitt-Oldham-Trimble-Henry-Shelby-Franklin-
Spencer-Anderson-Woodford-Fayette-Bourbon-Nicholas-Mercer-Jessamine-
Boyle-Garrard-Madison-
Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper,
English, Tell City, Corydon, New Albany, Jeffersonville,
Brandenburg, Shepherdsville, Louisville, La Grange, Bedford, Milton,
New Castle, Shelbyville, Frankfort, Georgetown, Cynthiana,
Taylorsville, Lawrenceburg, Versailles, Lexington, Paris, Carlisle,
Harrodsburg, Nicholasville, Winchester, Danville, Lancaster,
and Richmond
356 PM EDT Mon Jun 17 2019 /256 PM CDT Mon Jun 17 2019/

...FLASH FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON...

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

.DAY ONE...Tonight.

Scattered thunderstorms will produce locally heavy rainfall.
Flash flooding is possible if heavy rain falls in the same locations
where heavy rain occurred on Sunday.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Rounds of thunderstorms will continue into Tuesday along and south
of a frontal boundary over the Ohio Valley. Locally heavy rain,
lightning, and isolated strong wind gusts are expected.

Additional thunderstorms are expected Wednesday evening into
Thursday as a low pressure system moves over the Ohio Valley. Strong
thunderstorms will be possible with gusty winds, torrential
rainfall, and lightning. Flash flooding could occur with any repeated
rounds of heavy rain over the same areas.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report flooding to the National Weather
Service.

KYZ023-024-026>028-045-046-053-054-061>067-070>078-081-082-182000-
Hancock-Breckinridge-Ohio-Grayson-Hardin-Nelson-Washington-Larue-
Marion-Butler-Edmonson-Hart-Green-Taylor-Casey-Lincoln-Logan-Warren-
Simpson-Allen-Barren-Monroe-Metcalfe-Adair-Russell-Cumberland-
Clinton-
Including the cities of Lewisport, Hawesville, Hardinsburg,
Hartford, Leitchfield, Elizabethtown, Bardstown, Springfield,
Hodgenville, Lebanon, Morgantown, Brownsville, Horse Cave,
Greensburg, Campbellsville, Liberty, Stanford, Russellville,
Bowling Green, Franklin, Providence, Scottsville, Glasgow,
Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville,
and Albany
356 PM EDT Mon Jun 17 2019 /256 PM CDT Mon Jun 17 2019/

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

.DAY ONE...Tonight.

Scattered thunderstorms will produce briefly heavy rainfall.
Localized minor flooding is possible if heavy rain falls repeatedly
in the same locations.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Rounds of thunderstorms will continue into Tuesday along and south
of a frontal boundary over the Ohio Valley. Locally heavy rain,
lightning, and isolated strong wind gusts are expected.

Additional thunderstorms are expected Wednesday evening into
Thursday as the low pressure system moves over the Ohio Valley.
Strong thunderstorms will be possible with gusty winds, torrential
rainfall, and lightning. Flash flooding could occur with any repeated
rounds of heavy rain over the same areas.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report flooding to the National Weather
Service.

13/EBW

In the hours before

Special weather statement, Jun 17, 7:33 PM EDT, 2 hours 25 minutes before

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Special weather statement, Jun 17, 8:01 PM EDT, 1 hour 57 minutes before

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Special weather statement, Jun 17, 8:38 PM EDT, 1 hour 20 minutes before

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Special weather statement, Jun 17, 8:49 PM EDT, 1 hour 9 minutes before

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Special weather statement, Jun 17, 9:23 PM EDT, 35 minutes before

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Special weather statement, Jun 17, 9:45 PM EDT, 13 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 17, 8:01 PM EDT	Special Weather Statement	LMK	Edmonson	44 min
Jun 17, 8:38 PM EDT	Special Weather Statement	LMK	Edmonson, Hart	52 min
Jun 17, 8:49 PM EDT	Special Weather Statement	LMK	Bullitt	26 min
Jun 17, 9:23 PM EDT	Special Weather Statement	LMK	Bullitt	37 min
Jun 17, 9:36 PM EDT	Areal Flood Advisory	LMK	Franklin, Shelby	3 hr
Jun 17, 9:45 PM EDT	Special Weather Statement	LMK	Bullitt	30 min
Jun 17, 10:16 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Shelby, Spencer	29 min
Jun 17, 10:39 PM EDT	Areal Flood Advisory	LMK	Breckinridge, Bullitt, Hancock, Hardin, Meade	2 hr
Jun 17, 10:44 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Fayette, Franklin, Scott, Woodford	31 min
Jun 17, 10:46 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hardin	14 min
Jun 17, 11:00 PM EDT	Severe Thunderstorm Warning	LMK	Hardin	30 min
Jun 17, 11:01 PM EDT	Areal Flood Advisory	LMK	Franklin, Scott	3 hr
Jun 18, 1:03 AM EDT	Areal Flood Advisory	LMK	Fayette, Jessamine, Mercer, Washington, Woodford	3 hr
Jun 18, 2:37 AM EDT	River Flood Advisory	LMK	Franklin	36 hr
Jun 18, 3:40 AM EDT	River Flood Warning	LMK	Franklin	11 hr
Jun 18, 8:48 AM EDT	River Flood Warning	LMK	Nicholas, Robertson	17 hr
Jun 18, 9:48 AM EDT	Areal Flood Advisory	LMK	Cumberland, Monroe	3 hr
Jun 18, 5:04 PM EDT	Flash Flood Warning	LMK	Jefferson	116 min
Jun 18, 9:37 AM EDT	Areal Flood Advisory	LMK	Dubois	113 min
Jun 18, 1:52 PM EDT	Areal Flood Advisory	LMK	Crawford, Dubois, Harrison, Orange, Washington	3 hr
Jun 18, 2:15 PM EDT	Areal Flood Advisory	LMK	Clark, Washington	3 hr
Jun 18, 7:10 PM EDT	River Flood Advisory	LMK	Harrison, Washington	22 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2019 Every severe thunderstorm warning in 2019

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.