Alert archive / Kentucky / Flash Flood Warnings in 2025

Flash Flood Warning 43, NWS Louisville, KY

April 4, 202515 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Apr 4, 2025, 11:50 AM EDT for 15 counties in Kentucky. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 4, 2025, 11:50 AM EDT (15:50 UTC)
Expired
Apr 4, 2025, 7:16 PM EDT
In force
7 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Anderson County, KY, Boyle County, KY, Bullitt County, KY, Franklin County, KY, Hardin County, KY, Jefferson County, KY, Larue County, KY, Marion County, KY, Mercer County, KY, Nelson County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Washington County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 60 km from the middle of the area, began a volume at 15:53 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 12:00Z, 3.8 hours before the alert went out and 217 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 12:00Z on 2025-04-04Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2025-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 square meters per square second.1939587897Sfc1 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
705 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
312 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 flash flood 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 flash flood warning went out at Apr 4, 10:14 AM EDT, 1 hour 36 minutes earlier.

Area forecast discussion, Apr 4, 10:14 AM EDT, 1 hour 36 minutes before
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Hazardous weather outlook, Apr 4, 10:22 AM EDT, 1 hour 28 minutes before
Hazardous Weather Outlook
National Weather Service Louisville KY
1022 AM EDT Fri Apr 4 2025

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-051430-
Orange-Washington IN-Scott IN-Jefferson IN-Dubois-Crawford-Perry-
Harrison IN-Floyd-Clark IN-Hancock-Breckinridge-Meade-Ohio-Grayson-
Hardin-Bullitt-Jefferson-Oldham-Trimble-Henry-Shelby-Franklin-
Scott KY-Harrison KY-Spencer-Anderson-Woodford-Fayette-Bourbon-
Nicholas-Nelson-Washington KY-Mercer-Jessamine-Clark KY-Larue-Marion-
Boyle-Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-
Lincoln-Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-
Russell-Cumberland-Clinton-
1022 AM EDT Fri Apr 4 2025 /922 AM CDT Fri Apr 4 2025/

...FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY MORNING...

This Hazardous Weather Outlook is for portions of southern Indiana
and central Kentucky.

.DAY ONE...This afternoon and tonight.

Rounds of additional showers and thunderstorms continue today and
tonight. Some storms may be strong to severe with damaging winds and
isolated tornadoes possible west of I-65. Heavy rainfall is also
likely with localized flooding issues expected.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Additional showers and strong storms continue into the weekend.
High-impact, major rainfall, and flooding is anticipated across the
lower Ohio and Tennessee Valleys through Sunday. Widespread minor to
moderate river flooding is expected, and major river flooding is
possible.

.SPOTTER INFORMATION STATEMENT...

Spotters are needed to report heavy rainfall and any instances of
flooding or flash flooding.

&&

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

MJ

In the hours before

Local storm report, Apr 4, 6:21 AM EDT, 5 hours 29 minutes before
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Local storm report, Apr 4, 6:34 AM EDT, 5 hours 16 minutes before
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Local storm report, Apr 4, 6:37 AM EDT, 5 hours 13 minutes before
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Local storm report, Apr 4, 9:40 AM EDT, 2 hours 10 minutes before
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Local storm report, Apr 4, 11:13 AM EDT, 37 minutes before
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Local storm report, Apr 4, 11:42 AM EDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 9:30 PM EDTFlash Flood WarningLMKBarren, Breckinridge, Bullitt, Butler, Edmonson, Grayson and 16 more8 hr
Apr 3, 10:56 PM EDTRiver Flood WarningLMKHart5 days
Apr 3, 11:02 PM EDTRiver Flood WarningLMKWarren4 days
Apr 3, 11:20 PM EDTFlash Flood WarningLMKHenry, Jefferson, Oldham, Shelby, Trimble8 hr
Apr 4, 12:14 AM EDTRiver Flood WarningLMKCarroll, Henry, Owen7 days
Apr 4, 12:14 AM EDTRiver Flood WarningLMKClark, Madison4 days
Apr 4, 12:14 AM EDTRiver Flood WarningLMKGarrard, Jessamine5 days
Apr 4, 12:27 AM EDTSpecial Weather StatementLMKButler33 min
Apr 4, 12:29 AM EDTFlash Flood WarningLMKAnderson, Bourbon, Clark, Fayette, Franklin, Harrison and 7 more8 hr
Apr 4, 12:32 AM EDTRiver Flood WarningLMKNicholas, Robertson6 days
Apr 4, 12:40 AM EDTFlash Flood WarningLMKButler, Edmonson, Grayson, Logan, Warren12 hr
Apr 4, 1:10 AM EDTSpecial Weather StatementLMKMercer, Washington35 min
Apr 4, 1:35 AM EDTFlash Flood Warning Considerable damage threatLMKBreckinridge, Bullitt, Butler, Edmonson, Grayson, Hardin and 5 more3 hr
Apr 4, 1:36 AM EDTSpecial Weather StatementLMKButler, Logan, Ohio, Warren39 min
Apr 4, 2:06 AM EDTSpecial Weather StatementLMKGreen, Hart, Larue24 min
Apr 4, 2:53 AM EDTFlash Flood WarningLMKAnderson, Bourbon, Boyle, Clark, Fayette, Garrard and 6 more6 hr
Apr 4, 3:10 AM EDTFlash Flood WarningLMKAdair, Barren, Boyle, Casey, Edmonson, Green and 8 more7 hr
Apr 4, 4:55 AM EDTRiver Flood WarningLMKHarrison3 days
Apr 4, 5:30 AM EDTFlash Flood WarningLMKBarren, Breckinridge, Bullitt, Butler, Edmonson, Grayson and 15 more3 hr
Apr 4, 6:00 AM EDTFlash Flood WarningLMKAnderson, Boyle, Bullitt, Franklin, Hardin, Jefferson and 9 more3 hr
Apr 4, 7:30 AM EDTRiver Flood WarningLMKGarrard, Jessamine, Mercer5 days
Apr 4, 7:30 AM EDTRiver Flood WarningLMKAnderson, Franklin, Woodford6 days
Apr 4, 8:21 AM EDTAreal Flood WarningLMKAnderson, Bourbon, Clark, Fayette, Franklin, Harrison and 7 more12 hr
Apr 4, 8:23 AM EDTAreal Flood WarningLMKBarren, Breckinridge, Bullitt, Butler, Edmonson, Grayson and 15 more12 hr
Apr 4, 8:38 AM EDTAreal Flood WarningLMKAnderson, Bourbon, Boyle, Clark, Fayette, Garrard and 6 more12 hr
Apr 4, 8:42 AM EDTAreal Flood WarningLMKAnderson, Boyle, Bullitt, Franklin, Hardin, Jefferson and 9 more3 hr
Apr 4, 8:48 AM EDTAreal Flood WarningLMKHenry, Jefferson, Oldham, Shelby, Trimble14 hr
Apr 4, 9:24 AM EDTFlash Flood WarningLMKBreckinridge, Butler, Edmonson, Grayson, Green, Hancock and 7 more6 hr
Apr 4, 10:36 AM EDTAreal Flood WarningLMKAdair, Barren, Boyle, Casey, Edmonson, Green and 8 more12 hr
Apr 4, 11:10 AM EDTAreal Flood WarningLMKAllen, Barren, Butler, Edmonson, Logan, Metcalfe and 3 more12 hr
Apr 4, 12:22 PM EDTRiver Flood WarningLMKJefferson, Oldham9 days
Apr 4, 12:22 PM EDTRiver Flood WarningLMKHardin, Jefferson, Meade21 days
Apr 4, 12:22 PM EDTRiver Flood WarningLMKTrimble8 days
Apr 4, 3:50 PM EDTAreal Flood WarningLMKBreckinridge, Butler, Edmonson, Grayson, Green, Hancock and 6 more8 hr
Apr 4, 4:17 PM EDTSevere Thunderstorm WarningLMKAllen, Barren, Logan, Simpson, Warren28 min
Apr 4, 4:21 PM EDTSevere Thunderstorm WarningLMKBarren, Edmonson, Warren24 min
Apr 4, 4:36 PM EDTSpecial Weather StatementLMKEdmonson, Warren24 min
Apr 4, 4:39 PM EDTSevere Thunderstorm WarningLMKBarren, Edmonson, Hart36 min
Apr 4, 5:10 PM EDTSpecial Weather StatementLMKBarren35 min
Apr 4, 5:11 PM EDTSevere Thunderstorm WarningLMKBarren, Hart23 min
Apr 4, 5:16 PM EDTSpecial Weather StatementLMKAllen, Barren29 min
Apr 4, 5:31 PM EDTSevere Thunderstorm WarningLMKGreen, Hart14 min
Apr 4, 5:41 PM EDTSpecial Weather StatementLMKHart34 min
Apr 4, 5:43 PM EDTSpecial Weather StatementLMKMetcalfe32 min
Apr 4, 5:48 PM EDTSpecial Weather StatementLMKGreen, Taylor27 min
Apr 4, 6:03 PM EDTSpecial Weather StatementLMKOhio27 min
Apr 4, 6:13 PM EDTSpecial Weather StatementLMKMetcalfe32 min
Apr 4, 6:18 PM EDTSpecial Weather StatementLMKTaylor27 min
Apr 4, 6:30 PM EDTSpecial Weather StatementLMKMadison30 min
Apr 4, 6:36 PM EDTSpecial Weather StatementLMKAdair39 min
Apr 4, 6:53 PM EDTSpecial Weather StatementLMKClark22 min
Apr 4, 7:16 PM EDTAreal Flood WarningLMKAnderson, Boyle, Bullitt, Franklin, Hardin, Jefferson and 9 more6 hr
Apr 4, 7:17 AM EDTRiver Flood WarningLMKHarrison, Washington61 hr

Nearby

Flash Flood Warnings in Kentucky, 2025Every flash flood warning in 2025

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.