Alert archive / Ohio / Flash Flood Watches in 2015

Flash Flood Watch 2, NWS Wilmington, OH

June 15, 2015Auglaize County, Hardin County, Mercer County, Ohio

NWS Wilmington, OH issued this flash flood watch at Jun 15, 2015, 12:37 PM EDT for Auglaize County, Hardin County, Mercer County, Ohio. It took effect at Jun 15, 2015, 4:00 PM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Jun 15, 2015, 12:37 PM EDT (16:37 UTC)
In effect from: Jun 15, 2015, 4:00 PM EDT
Expired: Jun 16, 2015, 3:33 AM EDT
In force: 12 hr
Issued by: NWS Wilmington, OH
Flood severity: None

Counties Auglaize County, OH, Hardin County, OH, Mercer County, OH

The radar

The Cincinnati radar (KILN), 133 km from the middle of the area, began a volume at 16:38 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, 4.6 hours before the alert went out and 133 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: 553 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 829 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 132 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.2

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 15, 10:26 AM EDT, 2 hours 11 minutes earlier.

Area forecast discussion, Jun 15, 10:26 AM EDT, 2 hours 11 minutes before

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Hazardous weather outlook, Jun 15, 5:02 AM EDT, 7 hours 35 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 14, 8:03 PM EDT	Areal Flood Advisory	ILN	Hardin, Logan	3 hr
Jun 14, 8:07 PM EDT	Special Weather Statement	ILN	Miami	23 min
Jun 14, 8:48 PM EDT	Special Weather Statement	ILN	Hardin	27 min
Jun 14, 9:59 PM EDT	Special Weather Statement	ILN	Miami	31 min
Jun 14, 11:20 PM EDT	Special Weather Statement	ILN	Licking	25 min
Jun 15, 12:13 AM EDT	Special Weather Statement	ILN	Miami, Montgomery	32 min
Jun 15, 1:03 AM EDT	Special Weather Statement	ILN	Champaign	27 min
Jun 15, 1:20 AM EDT	Special Weather Statement	ILN	Franklin	40 min
Jun 15, 1:30 AM EDT	Special Weather Statement	ILN	Madison	30 min
Jun 15, 2:53 PM EDT	Special Weather Statement	ILN	Pike	37 min
Jun 15, 5:07 PM EDT	Areal Flood Advisory	ILN	Auglaize, Hardin, Mercer	3 hr
Jun 15, 7:43 PM EDT	Areal Flood Advisory	ILN	Auglaize, Hardin, Logan, Mercer	3 hr

Nearby

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.