Alert archive / Kentucky / Flash Flood Warnings in 2026

Flash Flood Warning 129, NWS Louisville, KY

August 12, 2026Henry County, Oldham County, Trimble County, Kentucky; Clark County, Jefferson County, Scott County, Indiana

NWS Louisville, KY issued this flash flood warning at Aug 12, 2026, 8:26 AM EDT for Henry County, Oldham County, Trimble County, Kentucky; Clark County, Jefferson County, Scott County, Indiana. It was in force for 3 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: Aug 12, 2026, 8:26 AM EDT (12:26 UTC)
Expired: Aug 12, 2026, 11:30 AM EDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Clark County, IN, Jefferson County, IN, Scott County, IN, Henry County, KY, Oldham County, KY, Trimble County, KY

The radar

The Louisville radar (KLVX), 78 km from the middle of the area, began a volume at 12:29 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, 0.4 hours before the alert went out and 173 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: 589 J/kg
Mixed-layer CIN: -173 J/kg
Mixed-layer LCL: 925 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.4

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 Aug 11, 7:57 PM EDT, 12 hours 29 minutes earlier.

Area forecast discussion, Aug 11, 7:57 PM EDT, 12 hours 29 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
Aug 11, 8:09 PM EDT	Special Weather Statement	LMK	Henry, Shelby	36 min
Aug 11, 8:12 PM EDT	Special Weather Statement	LMK	Hardin	33 min
Aug 11, 8:14 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Cumberland	46 min
Aug 11, 8:15 PM EDT	Special Weather Statement	LMK	Meade	30 min
Aug 11, 8:18 PM EDT	Severe Thunderstorm Warning	LMK	Hardin	19 min
Aug 11, 8:22 PM EDT	Severe Thunderstorm Warning	LMK	Green, Hart, Larue, Nelson	23 min
Aug 11, 8:37 PM EDT	Areal Flood Advisory	LMK	Adair, Casey, Russell	3 hr
Aug 11, 8:39 PM EDT	Special Weather Statement	LMK	Anderson, Fayette, Franklin, Jessamine, Mercer, Woodford	36 min
Aug 11, 8:39 PM EDT	Special Weather Statement	LMK	Green, Hart, Taylor	36 min
Aug 11, 8:44 PM EDT	Areal Flood Advisory	LMK	Adair	9 min
Aug 11, 8:53 PM EDT	Flash Flood Warning	LMK	Adair, Russell	3 hr
Aug 11, 8:57 PM EDT	Special Weather Statement	LMK	Adair, Russell	48 min
Aug 11, 9:02 PM EDT	Areal Flood Advisory	LMK	Green, Hardin, Larue, Taylor	3 hr
Aug 11, 9:11 PM EDT	Flash Flood Warning	LMK	Taylor	3 hr
Aug 11, 9:12 PM EDT	Special Weather Statement	LMK	Green	33 min
Aug 11, 9:13 PM EDT	Flash Flood Warning	LMK	Adair, Casey, Russell	3 hr
Aug 11, 9:16 PM EDT	Special Weather Statement	LMK	Clark, Madison	29 min
Aug 11, 9:43 PM EDT	Special Weather Statement	LMK	Adair, Clinton, Cumberland, Metcalfe, Monroe, Russell	47 min
Aug 11, 9:46 PM EDT	Special Weather Statement	LMK	Allen, Barren, Butler, Logan, Simpson, Warren	44 min
Aug 11, 10:04 PM EDT	Special Weather Statement	LMK	Warren	26 min
Aug 11, 10:10 PM EDT	Areal Flood Advisory	LMK	Russell	3 hr
Aug 11, 10:27 PM EDT	Special Weather Statement	LMK	Allen, Logan, Simpson	33 min
Aug 12, 4:17 AM EDT	Special Weather Statement	LMK	Bourbon, Clark, Fayette, Jessamine, Madison, Woodford	43 min
Aug 12, 5:03 AM EDT	Flash Flood Warning	LMK	Trimble	5 hr
Aug 12, 5:12 AM EDT	Special Weather Statement	LMK	Clark, Garrard, Jessamine, Madison	48 min
Aug 12, 5:22 AM EDT	Areal Flood Advisory	LMK	Henry	15 min
Aug 12, 5:29 AM EDT	Special Weather Statement	LMK	Franklin, Henry, Shelby	46 min
Aug 12, 5:37 AM EDT	Flash Flood Warning	LMK	Henry, Trimble	3 hr
Aug 12, 5:38 AM EDT	Severe Thunderstorm Warning	LMK	Franklin, Scott, Woodford	37 min
Aug 12, 5:47 AM EDT	Flash Flood Warning	LMK	Anderson, Fayette, Garrard, Jessamine, Mercer, Woodford	6 hr
Aug 12, 6:30 AM EDT	Flash Flood Warning	LMK	Anderson, Franklin, Henry, Scott, Shelby, Woodford	5 hr
Aug 12, 7:16 AM EDT	Areal Flood Advisory	LMK	Fayette, Garrard, Jessamine, Madison	5 hr
Aug 12, 7:42 AM EDT	Areal Flood Advisory	LMK	Casey, Garrard, Lincoln	4 hr
Aug 12, 8:57 AM EDT	Areal Flood Advisory	LMK	Bullitt, Jefferson, Shelby, Spencer	3 hr
Aug 12, 9:33 AM EDT	Areal Flood Advisory	LMK	Anderson, Jessamine, Mercer, Nelson, Washington	3 hr
Aug 12, 4:00 PM EDT	Special Weather Statement	LMK	Edmonson	30 min
Aug 12, 4:30 PM EDT	Special Weather Statement	LMK	Edmonson	30 min
Aug 12, 4:50 PM EDT	Special Weather Statement	LMK	Franklin, Henry	40 min
Aug 12, 4:54 PM EDT	Special Weather Statement	LMK	Hart	36 min
Aug 12, 5:10 PM EDT	Severe Thunderstorm Warning	LMK	Hancock	50 min
Aug 12, 5:18 PM EDT	Special Weather Statement	LMK	Harrison, Nicholas, Scott	27 min
Aug 12, 5:20 PM EDT	Special Weather Statement	LMK	Hart	25 min
Aug 12, 5:22 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock	38 min
Aug 12, 5:29 PM EDT	Special Weather Statement	LMK	Grayson	46 min
Aug 12, 5:30 PM EDT	Areal Flood Advisory	LMK	Harrison	2 hr
Aug 12, 5:41 PM EDT	Special Weather Statement	LMK	Bourbon, Fayette, Nicholas	34 min
Aug 12, 5:43 PM EDT	Flash Flood Warning	LMK	Harrison, Nicholas	2 hr
Aug 12, 5:47 PM EDT	Special Weather Statement	LMK	Metcalfe	28 min
Aug 12, 5:48 PM EDT	Areal Flood Advisory	LMK	Barren, Edmonson, Hart	2 hr
Aug 12, 5:50 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock	40 min
Aug 12, 5:52 PM EDT	Special Weather Statement	LMK	Breckinridge	38 min
Aug 12, 6:00 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hardin	30 min
Aug 12, 6:06 PM EDT	Special Weather Statement	LMK	Anderson, Bullitt, Mercer, Nelson, Washington	39 min
Aug 12, 6:13 PM EDT	Special Weather Statement	LMK	Clark, Jessamine, Madison	32 min
Aug 12, 6:21 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hancock, Ohio	39 min
Aug 12, 6:27 PM EDT	Severe Thunderstorm Warning	LMK	Hardin, Meade	33 min
Aug 12, 6:36 PM EDT	Areal Flood Advisory	LMK	Anderson, Bullitt, Clark, Fayette, Franklin, Garrard and 8 more	3 hr
Aug 12, 6:44 PM EDT	Special Weather Statement	LMK	Boyle, Washington	31 min
Aug 12, 6:46 PM EDT	Special Weather Statement	LMK	Garrard, Madison, Mercer	29 min
Aug 12, 6:56 PM EDT	Special Weather Statement	LMK	Ohio	49 min
Aug 12, 7:15 PM EDT	Special Weather Statement	LMK	Boyle, Garrard, Lincoln, Madison, Marion	45 min
Aug 12, 7:21 PM EDT	Areal Flood Advisory	LMK	Boyle, Garrard, Jessamine, Lincoln, Marion, Mercer and 1 more	3 hr
Aug 12, 7:32 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Lincoln	28 min
Aug 12, 4:53 AM EDT	Areal Flood Advisory	LMK	Jefferson	10 min
Aug 12, 4:19 PM EDT	Severe Thunderstorm Warning	LMK	Dubois	56 min
Aug 12, 4:59 PM EDT	Special Weather Statement	LMK	Perry	31 min

Nearby

Flash Flood Warnings in Kentucky, 2026 Flash Flood Warnings in Indiana, 2026 Every flash flood warning in 2026

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.