Alert archive / Kentucky / Flood Watches in 2026

Flood Watch 13, NWS Louisville, KY

August 19, 202617 counties in Kentucky

NWS Louisville, KY issued this flood watch at Aug 19, 2026, 9:24 PM CDT for 17 counties in Kentucky. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Aug 19, 2026, 9:24 PM CDT (02:24 UTC)
Expired
Aug 20, 2026, 7:00 AM CDT
In force
10 hr
Issued by
NWS Louisville, KY
Flood severity
None

Counties Adair County, KY, Allen County, KY, Barren County, KY, Butler County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Grayson County, KY, Green County, KY, Hart County, KY, Logan County, KY, Metcalfe County, KY, Monroe County, KY, Ohio County, KY, Russell County, KY, Simpson County, KY, Warren County, KY

The radar

The Nashville radar (KOHX), 101 km from the middle of the area, began a volume at 02:25 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, 2.4 hours before the alert went out and 114 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 2026-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 310 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 2026-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 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
310 J/kg
Mixed-layer CIN
-212 J/kg
Mixed-layer LCL
1337 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 1:54 AM CDTSpecial Weather StatementLMKBreckinridge51 min
Aug 20, 2:11 AM CDTSevere Thunderstorm WarningLMKLogan34 min
Aug 20, 2:26 AM CDTSpecial Weather StatementLMKButler, Edmonson49 min
Aug 20, 2:26 AM CDTSpecial Weather StatementLMKHardin34 min
Aug 20, 2:35 AM CDTSpecial Weather StatementLMKSimpson25 min
Aug 20, 2:42 AM CDTSpecial Weather StatementLMKWarren48 min
Aug 20, 2:59 AM CDTSpecial Weather StatementLMKAllen, Simpson46 min
Aug 20, 3:15 AM CDTSpecial Weather StatementLMKBarren, Metcalfe30 min
Aug 20, 3:42 AM CDTSpecial Weather StatementLMKCumberland, Monroe33 min
Aug 20, 4:15 AM CDTSpecial Weather StatementLMKClinton, Cumberland, Russell30 min
Aug 20, 3:50 AM CDTAreal Flood AdvisoryLMKOrange3 hr

Nearby

Flood Watches in Kentucky, 2026Every flood watch 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.