Alert archive / Ohio / Flash Flood Watches in 2006

Flash Flood Watch 3, NWS Wilmington, OH

September 23, 200612 counties in Ohio; 12 counties in Kentucky; 5 counties in Indiana

NWS Wilmington, OH issued this flash flood watch at Sep 23, 2006, 4:07 AM EDT for 12 counties in Ohio; 12 counties in Kentucky; 5 counties in Indiana. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Sep 23, 2006, 4:07 AM EDT (08:07 UTC)
Expired: Sep 23, 2006, 10:08 PM EDT
In force: 18 hr
Issued by: NWS Wilmington, OH
Flood severity: None

All 29 counties

Dearborn County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Clermont County, OH, Clinton County, OH, Fayette County, OH, Hamilton County, OH, Highland County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 61 km from the middle of the area, began a volume at 08:09 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, 8.1 hours before the alert went out and 63 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: 630 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 345 m²/s²
0-3 km storm-relative helicity: 368 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 Sep 23, 1:37 AM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Sep 23, 1:37 AM EDT, 2 hours 30 minutes before

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Hazardous weather outlook, Sep 22, 5:53 PM EDT, 10 hours 14 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
Sep 23, 2:39 PM EDT	Flash Flood Warning	ILN	Grant, Owen, Pendleton	3 hr

Nearby

Flash Flood Watches in Ohio, 2006 Flash Flood Watches in Kentucky, 2006 Flash Flood Watches in Indiana, 2006 Every flash flood watch in 2006

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.