Alert archive / Kentucky / Flash Flood Warnings in 2022

Flash Flood Warning 12, NWS Louisville, KY

July 18, 2022Clinton County, Cumberland County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 18, 2022, 8:18 AM CDT for Clinton County, Cumberland 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: Jul 18, 2022, 8:18 AM CDT (13:18 UTC)
Expired: Jul 18, 2022, 11:30 AM CDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Clinton County, KY, Cumberland County, KY

The radar

The Nashville radar (KOHX), 129 km from the middle of the area, began a volume at 13:19 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, 1.3 hours before the alert went out and 324 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: 118 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 471 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: -17 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 Jul 18, 5:11 AM CDT, 3 hours 7 minutes earlier.

Area forecast discussion, Jul 18, 5:11 AM CDT, 3 hours 7 minutes before

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Hazardous weather outlook, Jul 18, 2:58 AM CDT, 5 hours 20 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
Jul 17, 9:53 PM CDT	Areal Flood Advisory	LMK	Breckinridge, Hardin	3 hr
Jul 18, 12:01 AM CDT	Special Weather Statement	LMK	Hancock, Ohio	29 min
Jul 18, 12:24 AM CDT	Special Weather Statement	LMK	Butler	36 min
Jul 18, 12:36 AM CDT	Special Weather Statement	LMK	Breckinridge, Hancock	39 min
Jul 18, 12:49 AM CDT	Areal Flood Advisory	LMK	Hardin	3 hr
Jul 18, 7:11 AM CDT	Areal Flood Advisory	LMK	Clinton, Cumberland, Monroe	3 hr
Jul 18, 7:49 AM CDT	Areal Flood Advisory	LMK	Clinton, Cumberland, Russell	2 hr
Jul 18, 10:16 AM CDT	Areal Flood Advisory	LMK	Clinton, Cumberland	3 hr
Jul 18, 11:29 AM CDT	Areal Flood Advisory	LMK	Clinton, Cumberland	106 min
Jul 18, 12:42 AM CDT	Areal Flood Advisory	LMK	Perry	3 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.