Alert archive / Kentucky / Flash Flood Watches in 2016

Flash Flood Watch 5, NWS Wilmington, OH

July 27, 20167 counties in Ohio; 12 counties in Kentucky; 4 counties in Indiana

NWS Wilmington, OH issued this flash flood watch at Jul 27, 2016, 3:04 PM EDT for 7 counties in Ohio; 12 counties in Kentucky; 4 counties in Indiana. It took effect at Jul 28, 2016, 2:00 AM EDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Jul 27, 2016, 3:04 PM EDT (19:04 UTC)
In effect from: Jul 28, 2016, 2:00 AM EDT
Expired: Jul 28, 2016, 3:19 PM EDT
In force: 13 hr
Issued by: NWS Wilmington, OH
Flood severity: None

All 23 counties

Dearborn 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, Clermont County, OH, Hamilton County, OH, Highland County, OH, Pike County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 75 km from the middle of the area, began a volume at 19:06 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, 7.1 hours before the alert went out and 77 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: 505 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 822 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 27, 2:04 PM EDT, 1 hour earlier.

Area forecast discussion, Jul 27, 2:04 PM EDT, 1 hour before

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Hazardous weather outlook, Jul 27, 5:12 AM EDT, 9 hours 52 minutes before

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Nearby

Flash Flood Watches in Kentucky, 2016 Flash Flood Watches in Ohio, 2016 Flash Flood Watches in Indiana, 2016 Every flash flood watch in 2016

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.