Alert archive / Ohio / Flash Flood Watches in 2015

Flash Flood Watch 3, NWS Wilmington, OH

June 17, 201521 counties in Ohio; Fayette County, Union County, Wayne County, Indiana

NWS Wilmington, OH issued this flash flood watch at Jun 17, 2015, 3:56 AM EDT for 21 counties in Ohio; Fayette County, Union County, Wayne County, Indiana. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: Jun 17, 2015, 3:56 AM EDT (07:56 UTC)
Expired: Jun 17, 2015, 10:26 PM EDT
In force: 19 hr
Issued by: NWS Wilmington, OH
Flood severity: None

All 24 counties

Fayette County, IN, Union County, IN, Wayne County, IN, Auglaize County, OH, Champaign County, OH, Clark County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hardin County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Preble County, OH, Shelby County, OH, Union County, OH

The radar

The Cincinnati radar (KILN), 65 km from the middle of the area, began a volume at 07:58 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, 7.9 hours before the alert went out and 64 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: 51 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1241 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

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 17, 1:50 AM EDT, 2 hours 6 minutes earlier.

Area forecast discussion, Jun 17, 1:50 AM EDT, 2 hours 6 minutes before

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Hazardous weather outlook, Jun 16, 7:26 PM EDT, 8 hours 30 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
Jun 16, 8:42 PM EDT	River Flood Warning	ILN	Mercer	4 days
Jun 16, 8:54 PM EDT	Areal Flood Warning	ILN	Auglaize, Hardin, Logan, Mercer	12 hr
Jun 17, 8:05 AM EDT	Flash Flood Warning	ILN	Auglaize, Champaign, Darke, Logan, Mercer, Shelby	4 hr
Jun 17, 8:20 AM EDT	Flash Flood Warning	ILN	Auglaize, Champaign, Hardin, Logan, Union	4 hr
Jun 17, 8:40 AM EDT	Areal Flood Warning	ILN	Auglaize, Hardin, Mercer	3 days
Jun 17, 9:42 AM EDT	River Flood Warning	ILN	Shelby	3 days
Jun 17, 9:58 AM EDT	Areal Flood Advisory	ILN	Delaware, Union	3 hr
Jun 17, 11:12 AM EDT	Areal Flood Advisory	ILN	Clark, Fayette, Franklin, Greene, Madison, Miami and 3 more	3 hr
Jun 17, 11:58 AM EDT	Areal Flood Warning	ILN	Auglaize, Champaign, Darke, Hardin, Logan, Mercer and 2 more	67 hr
Jun 17, 1:06 PM EDT	Areal Flood Warning	ILN	Delaware, Union	42 hr
Jun 17, 4:43 PM EDT	Areal Flood Advisory	ILN	Darke, Miami, Shelby	3 hr
Jun 17, 5:21 PM EDT	Special Weather Statement	ILN	Adams	24 min
Jun 17, 6:02 PM EDT	Special Weather Statement	ILN	Highland	28 min
Jun 17, 6:29 PM EDT	Special Weather Statement	ILN	Highland	31 min
Jun 17, 6:49 PM EDT	Special Weather Statement	ILN	Pike	26 min
Jun 17, 6:53 PM EDT	Severe Thunderstorm Warning	ILN	Pike	41 min

Nearby

Flash Flood Watches in Ohio, 2015 Flash Flood Watches in Indiana, 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.