Alert archive / Kentucky / Flash Flood Watches in 2015

Flash Flood Watch 10, NWS Wilmington, OH

July 12, 20154 counties in Ohio; 10 counties in Kentucky; 7 counties in Indiana

NWS Wilmington, OH issued this flash flood watch at Jul 12, 2015, 3:44 AM EDT for 4 counties in Ohio; 10 counties in Kentucky; 7 counties in Indiana. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 12, 2015, 3:44 AM EDT (07:44 UTC)
Expired: Jul 12, 2015, 9:15 AM EDT
In force: 6 hr
Issued by: NWS Wilmington, OH
Flood severity: None

All 21 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Butler County, OH, Clermont County, OH, Hamilton County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 87 km from the middle of the area, began a volume at 07:47 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 00:00Z, 7.7 hours before the alert went out and 90 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1214 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 28 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this flash flood watch went out at Jul 12, 1:16 AM EDT, 2 hours 28 minutes earlier.

Area forecast discussion, Jul 12, 1:16 AM EDT, 2 hours 28 minutes before

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In the hours before

Special weather statement, Jul 12, 2:48 AM EDT, 56 minutes before

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The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 12, 7:54 AM EDT	Areal Flood Advisory	ILN	Brown, Clermont	3 hr
Jul 12, 5:41 AM EDT	Special Weather Statement	ILN	Boone, Carroll, Gallatin	34 min
Jul 12, 6:02 AM EDT	Areal Flood Advisory	ILN	Carroll, Gallatin	3 hr
Jul 12, 6:13 AM EDT	Special Weather Statement	ILN	Gallatin	32 min
Jul 12, 5:28 PM EDT	Areal Flood Advisory	ILN	Bracken, Robertson	3 hr
Jul 12, 2:48 AM EDT	Special Weather Statement	ILN	Ripley	27 min
Jul 12, 4:34 AM EDT	Areal Flood Advisory	ILN	Fayette, Franklin	3 hr
Jul 12, 5:08 AM EDT	Areal Flood Advisory	ILN	Franklin, Ripley, Switzerland	3 hr

Nearby

Flash Flood Watches in Kentucky, 2015 Flash Flood Watches in Indiana, 2015 Flash Flood Watches in Ohio, 2015 Every flash flood watch in 2015

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.