Alert archive / Ohio / River Flood Advisories in 2017

River Flood Advisory 4, NWS Wilmington, OH

November 18, 2017Delaware County, Franklin County, Ohio

NWS Wilmington, OH issued this river flood advisory at Nov 18, 2017, 9:47 PM EST for Delaware County, Franklin County, Ohio. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Nov 18, 2017, 9:47 PM EST (02:47 UTC)
Expired: Nov 19, 2017, 10:00 AM EST
In force: 12 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

Counties Delaware County, OH, Franklin County, OH

The radar

The Cincinnati radar (KILN), 105 km from the middle of the area, began a volume at 02:49 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 river

Written for the forecast point Olentangy River near Worthington (WRTO1). The gauge peaked at 9.57 ft at Nov 19, 2017, 12:00 AM EST.

Action stage: 8 ft
Minor stage: 11 ft
Moderate stage: 13 ft
Major stage: 15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03226800, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood advisory 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 river flood advisory went out at Nov 18, 8:20 PM EST, 1 hour 27 minutes earlier.

Area forecast discussion, Nov 18, 8:20 PM EST, 1 hour 27 minutes before

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Hazardous weather outlook, Nov 18, 8:16 PM EST, 1 hour 31 minutes before

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In the hours before

Local storm report, Nov 18, 8:45 PM EST, 1 hour 2 minutes before

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Local storm report, Nov 18, 8:47 PM EST, 1 hour before

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Local storm report, Nov 18, 8:51 PM EST, 56 minutes before

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Local storm report, Nov 18, 8:55 PM EST, 52 minutes before

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Local storm report, Nov 18, 9:00 PM EST, 47 minutes before

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Local storm report, Nov 18, 9:46 PM EST, 1 minute 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
Nov 18, 8:04 PM EST	Areal Flood Warning	ILN	Champaign, Delaware, Logan, Union	20 hr
Nov 18, 10:11 PM EST	Areal Flood Warning	ILN	Auglaize, Shelby	10 hr
Nov 19, 8:13 AM EST	Areal Flood Warning	ILN	Auglaize, Shelby	8 hr
Nov 19, 9:28 AM EST	River Flood Warning	ILN	Miami	11 hr
Nov 18, 7:21 PM EST	Special Weather Statement	ILN	Bracken, Mason, Pendleton, Robertson	39 min

Nearby

River Flood Advisories in Ohio, 2017 Every river flood advisory 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.