Alert archive / Kentucky / Flash Flood Watches in 2019

Flash Flood Watch 4, NWS Louisville, KY

June 17, 201922 counties in Kentucky; 10 counties in Indiana

NWS Louisville, KY issued this flash flood watch at Jun 17, 2019, 3:41 AM EDT for 22 counties in Kentucky; 10 counties in Indiana. It took effect at Jun 17, 2019, 8:00 AM EDT. It was in force for 65 hr.

The area

The counties it named.

The facts

Issued
Jun 17, 2019, 3:41 AM EDT (07:41 UTC)
In effect from
Jun 17, 2019, 8:00 AM EDT
Expired
Jun 20, 2019, 12:45 AM EDT
In force
65 hr
Issued by
NWS Louisville, KY
Flood severity
None
All 32 counties

Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Orange County, IN, Perry County, IN, Scott County, IN, Washington County, IN, Anderson County, KY, Bourbon County, KY, Boyle County, KY, Bullitt County, KY, Clark County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Madison County, KY, Meade County, KY, Mercer County, KY, Nicholas County, KY, Oldham County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 63 km from the middle of the area, began a volume at 07:45 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, 7.7 hours before the alert went out and 187 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, Cncnati-Daytn, OH at 00:00Z on 2019-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 959 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2019-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.193958Sfc1 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
959 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jun 17, 3:36 AM EDT, 5 minutes earlier.

Area forecast discussion, Jun 17, 3:36 AM EDT, 5 minutes before
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Hazardous weather outlook, Jun 16, 10:55 PM EDT, 4 hours 46 minutes before
Hazardous Weather Outlook
National Weather Service Louisville KY
1055 PM EDT Sun Jun 16 2019

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-180300-
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-
Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson-Woodford-
Fayette-Bourbon-Nicholas-Nelson-Mercer-Jessamine-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 Paoli, Salem, Scottsburg, Madison, 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, Richmond, Morgantown,
Brownsville, Horse Cave, Greensburg, Campbellsville, Liberty,
Stanford, Russellville, Bowling Green, Franklin, Providence,
Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown,
Burkesville, and Albany
1055 PM EDT Sun Jun 16 2019 /955 PM CDT Sun Jun 16 2019/

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

.DAY ONE...Overnight.

Widespread showers and a few thunderstorms are expected to continue
into the overnight hours. Moderate to heavy rainfall can be expected,
mainly in areas north of the Western Kentucky and Bluegrass Parkways.
Any storm will be capable of brief gusty winds and lightning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Rounds of thunderstorms are forecast Monday 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 and Thursday as the
next weather system approaches our area. A few strong storms are
possible with that system with heavy rain, locally strong wind gusts,
and lightning.

Still more storms are in the forecast from late Friday through the
weekend.

.SPOTTER INFORMATION STATEMENT...

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

13/EBW/MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 8:29 PM EDTAreal Flood AdvisoryLMKHenry, Jefferson, Oldham, Shelby, Trimble3 hr
Jun 16, 8:32 PM EDTAreal Flood AdvisoryLMKMeade3 hr
Jun 16, 8:48 PM EDTAreal Flood AdvisoryLMKBourbon, Clark, Fayette, Jessamine, Madison117 min
Jun 16, 8:48 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Hancock, Meade42 min
Jun 16, 8:53 PM EDTSpecial Weather StatementLMKJefferson37 min
Jun 16, 10:46 PM EDTAreal Flood AdvisoryLMKJefferson3 hr
Jun 17, 12:07 AM EDTAreal Flood AdvisoryLMKClark, Fayette, Jessamine, Madison3 hr
Jun 17, 3:16 PM EDTSpecial Weather StatementLMKHardin29 min
Jun 17, 3:53 PM EDTSpecial Weather StatementLMKBullitt37 min
Jun 17, 4:22 PM EDTSpecial Weather StatementLMKSpencer23 min
Jun 17, 4:50 PM EDTSpecial Weather StatementLMKAnderson25 min
Jun 17, 5:16 PM EDTSevere Thunderstorm WarningLMKAnderson, Mercer, Washington, Woodford29 min
Jun 17, 5:39 PM EDTSpecial Weather StatementLMKFayette51 min
Jun 17, 6:17 PM EDTSpecial Weather StatementLMKClark43 min
Jun 17, 6:31 PM EDTSpecial Weather StatementLMKTrimble29 min
Jun 17, 6:35 PM EDTSevere Thunderstorm WarningLMKTrimble25 min
Jun 17, 7:33 PM EDTSpecial Weather StatementLMKLogan, Simpson42 min
Jun 17, 7:39 PM EDTAreal Flood AdvisoryLMKTrimble3 hr
Jun 16, 8:42 PM EDTSpecial Weather StatementLMKPerry33 min
Jun 16, 8:43 PM EDTAreal Flood WarningLMKCrawford, Dubois, Orange, Perry, Washington6 hr
Jun 17, 3:43 PM EDTSpecial Weather StatementLMKDubois32 min
Jun 17, 3:49 PM EDTFlash Flood WarningLMKDubois3 hr
Jun 17, 4:11 PM EDTSpecial Weather StatementLMKOrange34 min
Jun 17, 4:25 PM EDTSpecial Weather StatementLMKOrange35 min
Jun 17, 7:43 PM EDTAreal Flood WarningLMKDubois94 min

Nearby

Flash Flood Watches in Kentucky, 2019Flash Flood Watches in Indiana, 2019Every flash flood watch 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.