Alert archive / Kentucky / Flash Flood Warnings in 2022

Flash Flood Warning 15, NWS Louisville, KY

July 25, 2022Marion County, Washington County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 25, 2022, 3:49 PM EDT for Marion County, Washington County, Kentucky. It was in force for 56 min. 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 25, 2022, 3:49 PM EDT (19:49 UTC)
Expired: Jul 25, 2022, 4:45 PM EDT
In force: 56 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Marion County, KY, Washington County, KY

The radar

The Louisville radar (KLVX), 73 km from the middle of the area, began a volume at 19:51 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 12:00Z, 7.8 hours before the alert went out and 209 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: 1251 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 953 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 36 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 25, 3:21 PM EDT, 28 minutes earlier.

Area forecast discussion, Jul 25, 3:21 PM EDT, 28 minutes before

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Hazardous weather outlook, Jul 25, 3:44 PM EDT, 5 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 25, 3:38 AM EDT	Areal Flood Advisory	LMK	Breckinridge, Hancock	5 hr
Jul 25, 5:38 AM EDT	Areal Flood Advisory	LMK	Breckinridge, Hancock, Ohio	3 hr
Jul 25, 6:41 AM EDT	Areal Flood Advisory	LMK	Ohio	3 hr
Jul 25, 8:33 AM EDT	Areal Flood Advisory	LMK	Butler	57 min
Jul 25, 2:58 PM EDT	Areal Flood Advisory	LMK	Larue, Marion, Nelson, Washington	2 hr
Jul 24, 8:33 PM EDT	Special Weather Statement	LMK	Dubois	27 min
Jul 24, 9:00 PM EDT	Special Weather Statement	LMK	Dubois	30 min
Jul 24, 9:15 PM EDT	Severe Thunderstorm Warning	LMK	Dubois	30 min
Jul 24, 9:23 PM EDT	Special Weather Statement	LMK	Crawford	37 min
Jul 24, 9:39 PM EDT	Severe Thunderstorm Warning	LMK	Crawford	23 min
Jul 25, 12:43 AM EDT	Areal Flood Advisory	LMK	Dubois	52 min
Jul 25, 1:35 AM EDT	Flash Flood Warning	LMK	Dubois	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.