Alert archive / Ohio / Flash Flood Watches in 2017

Flash Flood Watch 5, NWS Wilmington, OH

June 22, 201729 counties in Ohio; 12 counties in Kentucky; 8 counties in Indiana

NWS Wilmington, OH issued this flash flood watch at Jun 22, 2017, 1:09 PM EDT for 29 counties in Ohio; 12 counties in Kentucky; 8 counties in Indiana. It took effect at Jun 23, 2017, 2:00 AM EDT. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued: Jun 22, 2017, 1:09 PM EDT (17:09 UTC)
In effect from: Jun 23, 2017, 2:00 AM EDT
Expired: Jun 23, 2017, 11:40 PM EDT
In force: 22 hr
Issued by: NWS Wilmington, OH
Flood severity: None

All 49 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne 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, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 21 km from the middle of the area, began a volume at 17:10 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, 5.2 hours before the alert went out and 23 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: 1 J/kg
Mixed-layer CIN: -263 J/kg
Mixed-layer LCL: 1465 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 45 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 Jun 22, 11:22 AM EDT, 1 hour 47 minutes earlier.

Area forecast discussion, Jun 22, 11:22 AM EDT, 1 hour 47 minutes before

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Hazardous weather outlook, Jun 22, 5:00 AM EDT, 8 hours 9 minutes before

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Nearby

Flash Flood Watches in Ohio, 2017 Flash Flood Watches in Kentucky, 2017 Flash Flood Watches in Indiana, 2017 Every flash flood watch in 2017

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.