Alert archive / Kentucky / Flash Flood Warnings in 2026

Flash Flood Warning 131, NWS Louisville, KY

August 13, 2026Shelby County, Kentucky

NWS Louisville, KY issued this flash flood warning at Aug 13, 2026, 5:41 PM EDT for Shelby County, Kentucky. It was in force for 2 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 13, 2026, 5:41 PM EDT (21:41 UTC)
Expired
Aug 13, 2026, 8:04 PM EDT
In force
2 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

County Shelby County, KY

The radar

The Louisville radar (KLVX), 71 km from the middle of the area, began a volume at 21:45 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 12:00Z, 9.7 hours before the alert went out and 181 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 2026-08-13Temperature 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 2026-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.19395878Sfc1 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
662 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 8:22 PM EDTAreal Flood AdvisoryLMKGarrard, Lincoln3 hr
Aug 13, 1:57 AM EDTHeat AdvisoryLMKAllen, Butler, Hancock, Logan, Ohio, Simpson and 1 more19 hr
Aug 13, 3:35 AM EDTAreal Flood AdvisoryLMKClark, Madison3 hr
Aug 13, 4:40 PM EDTSpecial Weather StatementLMKOldham50 min
Aug 13, 4:48 PM EDTSpecial Weather StatementLMKShelby27 min
Aug 13, 5:14 PM EDTSpecial Weather StatementLMKShelby46 min
Aug 13, 5:19 PM EDTAreal Flood AdvisoryLMKJefferson, Oldham, Shelby3 hr
Aug 13, 5:51 PM EDTSpecial Weather StatementLMKHenry24 min
Aug 13, 5:58 PM EDTSpecial Weather StatementLMKTrimble32 min
Aug 13, 6:14 PM EDTSpecial Weather StatementLMKHenry31 min
Aug 13, 6:53 PM EDTAreal Flood AdvisoryLMKClark3 hr
Aug 13, 6:58 PM EDTAreal Flood AdvisoryLMKBourbon, Harrison, Scott3 hr
Aug 13, 7:14 PM EDTAreal Flood AdvisoryLMKHarrison3 hr
Aug 13, 4:30 AM EDTAreal Flood AdvisoryLMKOrange, Washington116 min
Aug 13, 5:34 PM EDTSpecial Weather StatementLMKScott41 min

Nearby

Flash Flood Warnings in Kentucky, 2026Every 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.