Alert archive / Kentucky / Flash Flood Warnings in 2026

Flash Flood Warning 14, NWS Louisville, KY

May 30, 2026Butler County, Kentucky

NWS Louisville, KY issued this flash flood warning at May 30, 2026, 4:38 AM CDT for Butler County, Kentucky. 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
May 30, 2026, 4:38 AM CDT (09:38 UTC)
Expired
May 30, 2026, 7:30 AM CDT
In force
3 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

County Butler County, KY

The radar

The Ft Campbell radar (KHPX), 75 km from the middle of the area, began a volume at 09:37 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

Nashville Metro, TN (KBNA), launched 00:00Z, 9.6 hours before the alert went out and 120 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, Nashville Metro, TN at 00:00Z on 2026-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 585 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, Nashville Metro, TN at 00:00Z on 2026-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
585 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
79 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
May 30, 3:51 AM CDTAreal Flood AdvisoryLMKBarren4 hr
May 30, 4:14 AM CDTAreal Flood AdvisoryLMKButler24 min
May 30, 4:16 AM CDTAreal Flood AdvisoryLMKClinton, Cumberland, Russell3 hr
May 30, 4:46 AM CDTAreal Flood AdvisoryLMKClinton, Cumberland3 hr
May 30, 4:56 AM CDTAreal Flood AdvisoryLMKButler3 hr
May 30, 5:26 AM CDTAreal Flood AdvisoryLMKMetcalfe3 hr
May 30, 5:29 AM CDTAreal Flood AdvisoryLMKButler, Logan, Warren2 hr
May 30, 5:55 AM CDTAreal Flood AdvisoryLMKAdair, Cumberland, Green, Metcalfe, Monroe3 hr

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.