Alert archive / Kentucky / Flash Flood Warnings in 2022

Flash Flood Warning 17, NWS Louisville, KY

August 5, 2022Ohio County, Kentucky

NWS Louisville, KY issued this flash flood warning at Aug 5, 2022, 2:19 AM CDT for Ohio 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: Aug 5, 2022, 2:19 AM CDT (07:19 UTC)
Expired: Aug 5, 2022, 5:30 AM CDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

County Ohio County, KY

The radar

The Ft Campbell radar (KHPX), 91 km from the middle of the area, began a volume at 07:22 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

Lincoln, IL (KILX), launched 00:00Z, 7.3 hours before the alert went out and 334 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: 1503 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 20 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 Aug 5, 2:14 AM CDT, 5 minutes earlier.

Area forecast discussion, Aug 5, 2:14 AM CDT, 5 minutes before

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Hazardous weather outlook, Aug 4, 9:10 PM CDT, 5 hours 9 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 4, 7:04 PM CDT	Areal Flood Advisory	LMK	Fayette	3 hr
Aug 5, 1:32 AM CDT	Areal Flood Advisory	LMK	Ohio	3 hr
Aug 5, 2:37 AM CDT	Areal Flood Advisory	LMK	Bullitt, Jefferson, Oldham	3 hr
Aug 5, 3:18 AM CDT	Areal Flood Advisory	LMK	Adair, Casey, Green, Marion, Taylor, Washington	3 hr
Aug 5, 4:01 AM CDT	Areal Flood Advisory	LMK	Clinton	3 hr
Aug 5, 5:22 AM CDT	Areal Flood Advisory	LMK	Boyle, Casey, Clark, Fayette, Garrard, Jessamine and 3 more	3 hr
Aug 5, 6:51 AM CDT	Areal Flood Advisory	LMK	Logan	3 hr
Aug 5, 7:45 AM CDT	Areal Flood Advisory	LMK	Harrison, Scott	3 hr
Aug 5, 11:42 AM CDT	Areal Flood Advisory	LMK	Cumberland, Monroe	3 hr
Aug 5, 11:48 AM CDT	Areal Flood Advisory	LMK	Marion, Taylor	3 hr
Aug 5, 12:17 PM CDT	Areal Flood Advisory	LMK	Anderson, Marion, Mercer, Nelson, Washington	3 hr
Aug 5, 12:28 PM CDT	Areal Flood Advisory	LMK	Casey, Lincoln	3 hr
Aug 5, 12:52 PM CDT	Areal Flood Advisory	LMK	Anderson, Franklin, Woodford	3 hr
Aug 5, 1:07 PM CDT	Flash Flood Warning	LMK	Anderson, Mercer, Washington	3 hr
Aug 5, 9:42 AM CDT	Areal Flood Advisory	LMK	Crawford, Perry	2 hr

Nearby

Flash Flood Warnings in Kentucky, 2022 Every flash flood warning in 2022

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.