Alert archive / Ohio / River Flood Warnings in 2020

River Flood Warning 29, NWS Wilmington, OH

May 19, 2020Delaware County, Franklin County, Ohio

NWS Wilmington, OH issued this river flood warning at May 19, 2020, 2:33 AM EDT for Delaware County, Franklin County, Ohio. It took effect at May 19, 2020, 3:37 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: May 19, 2020, 2:33 AM EDT (06:33 UTC)
In effect from: May 19, 2020, 3:37 AM EDT
Expired: May 19, 2020, 3:19 PM EDT
In force: 12 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: Minor

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 06:36 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).

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 warning 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 warning went out at May 19, 1:46 AM EDT, 47 minutes earlier.

Area forecast discussion, May 19, 1:46 AM EDT, 47 minutes before

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Hazardous weather outlook, May 18, 8:53 PM EDT, 5 hours 40 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington OH
853 PM EDT Mon May 18 2020

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-200100-
Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Ohio-
Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-
Pendleton-Bracken-Robertson-Mason-Lewis-Hardin-Mercer-Auglaize-Darke-
Shelby-Logan-Union OH-Delaware-Miami-Champaign-Clark-Madison-
Franklin OH-Licking-Preble-Montgomery-Greene-Fayette OH-Pickaway-
Fairfield-Butler-Warren-Clinton-Ross-Hocking-Hamilton-Clermont-Brown-
Highland-Adams-Pike-Scioto-
853 PM EDT Mon May 18 2020

...FLASH FLOOD WATCH IN EFFECT THROUGH TUESDAY EVENING...

This Hazardous Weather Outlook is for East Central Indiana,
Southeast Indiana, Northeast Kentucky, Northern Kentucky, Central
Ohio, South Central Ohio, Southwest Ohio and West Central Ohio.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, May 19, 1:01 AM EDT, 1 hour 32 minutes before

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Local storm report, May 19, 1:10 AM EDT, 1 hour 23 minutes before

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Local storm report, May 19, 1:12 AM EDT, 1 hour 21 minutes before

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Local storm report, May 19, 1:35 AM EDT, 58 minutes before

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Local storm report, May 19, 2:01 AM EDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
201 AM EDT TUE MAY 19 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0100 AM     HEAVY RAIN       5 SSE GAHANNA           39.95N 82.84W
05/19/2020  M3.89 INCH       FRANKLIN           OH   TRAINED SPOTTER

            25 HOUR STORM TOTAL WITH 1.2 INCHES IN THE LAST HOUR.

&&

NMCGINNI

Local storm report, May 19, 2:31 AM EDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
231 AM EDT TUE MAY 19 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0208 AM     HEAVY RAIN       1 WNW WESTERVILLE       40.13N 82.94W
05/19/2020  M4.05 INCH       FRANKLIN           OH   BROADCAST MEDIA

            26 HOUR STORM TOTAL. 1.83 INCHES FELL IN THE LAST 2 HOURS
            WITH HEAVY RAIN CONTINUING.

&&

NMCGINNI

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 8:10 PM EDT	Areal Flood Advisory	ILN	Brown, Clermont, Hamilton	3 hr
May 18, 8:34 PM EDT	Areal Flood Advisory	ILN	Butler, Miami, Montgomery, Preble, Warren	3 hr
May 18, 9:18 PM EDT	Areal Flood Advisory	ILN	Adams, Brown, Highland	4 hr
May 18, 10:22 PM EDT	Areal Flood Advisory	ILN	Fayette, Madison	4 hr
May 19, 12:18 AM EDT	Areal Flood Advisory	ILN	Delaware, Franklin, Pickaway, Pike, Ross, Scioto	5 hr
May 19, 12:48 AM EDT	River Flood Warning	ILN	Adams	29 hr
May 19, 12:52 AM EDT	Flash Flood Warning	ILN	Delaware, Franklin	10 hr
May 19, 1:23 AM EDT	River Flood Advisory	ILN	Delaware, Franklin	36 hr
May 19, 2:26 AM EDT	Areal Flood Advisory	ILN	Delaware, Fairfield, Licking	3 hr
May 19, 5:15 AM EDT	Areal Flood Advisory	ILN	Pickaway, Pike, Ross, Scioto	3 hr
May 19, 5:20 AM EDT	River Flood Warning	ILN	Licking	22 hr
May 19, 5:30 AM EDT	Areal Flood Advisory	ILN	Delaware, Fairfield, Licking	2 hr
May 19, 5:53 AM EDT	Areal Flood Advisory	ILN	Butler, Clermont, Hamilton, Warren	8 hr
May 19, 6:04 AM EDT	Flash Flood Warning	ILN	Hamilton	4 hr
May 19, 6:20 AM EDT	Areal Flood Advisory	ILN	Brown	4 hr
May 19, 6:43 AM EDT	River Flood Warning	ILN	Licking	40 hr
May 19, 7:00 AM EDT	River Flood Warning	ILN	Hamilton	23 hr
May 19, 7:27 AM EDT	River Flood Warning	ILN	Hamilton	36 hr
May 19, 7:27 AM EDT	River Flood Warning	ILN	Clark	18 hr
May 19, 7:28 AM EDT	River Flood Warning	ILN	Pickaway	4 days
May 19, 7:47 AM EDT	Flash Flood Warning	ILN	Butler, Montgomery, Preble, Warren	4 hr
May 19, 7:51 AM EDT	Areal Flood Warning	ILN	Delaware	9 hr
May 19, 8:12 AM EDT	Areal Flood Warning	ILN	Franklin	3 hr
May 19, 8:12 AM EDT	Areal Flood Warning	ILN	Franklin	3 hr
May 19, 8:55 AM EDT	River Flood Warning	ILN	Clermont, Hamilton, Warren	22 hr
May 19, 8:55 AM EDT	River Flood Warning	ILN	Clermont, Hamilton	27 hr
May 19, 9:36 AM EDT	Areal Flood Warning	ILN	Greene, Warren	8 hr
May 19, 9:56 AM EDT	Flash Flood Warning Considerable damage threat	ILN	Hamilton	5 hr
May 19, 10:12 AM EDT	River Flood Warning	ILN	Shelby	34 hr
May 19, 10:12 AM EDT	River Flood Warning	ILN	Montgomery	37 hr
May 19, 10:12 AM EDT	River Flood Warning	ILN	Warren	34 hr
May 19, 10:12 AM EDT	River Flood Warning	ILN	Butler	52 hr
May 19, 10:18 AM EDT	River Flood Warning	ILN	Hocking	42 hr
May 19, 10:18 AM EDT	River Flood Warning	ILN	Licking	28 hr
May 19, 10:28 AM EDT	River Flood Warning	ILN	Franklin	11 hr
May 19, 10:28 AM EDT	River Flood Warning	ILN	Ross	3 days
May 19, 10:28 AM EDT	River Flood Warning	ILN	Pike, Scioto	5 days
May 19, 10:28 AM EDT	River Flood Warning	ILN	Franklin, Pickaway	37 hr
May 19, 11:08 AM EDT	Areal Flood Warning	ILN	Delaware	9 hr
May 19, 11:12 AM EDT	Areal Flood Advisory	ILN	Franklin	9 hr
May 19, 11:37 AM EDT	Areal Flood Warning	ILN	Butler, Warren	6 hr
May 19, 1:24 PM EDT	Areal Flood Advisory	ILN	Hamilton	6 hr
May 19, 2:52 PM EDT	Flash Flood Warning	ILN	Hamilton	4 hr
May 19, 3:56 PM EDT	Areal Flood Advisory	ILN	Adams, Brown, Clermont	6 hr
May 19, 4:58 PM EDT	Areal Flood Advisory	ILN	Adams, Highland, Scioto	6 hr
May 19, 5:20 PM EDT	Areal Flood Advisory	ILN	Butler, Warren	4 hr
May 19, 6:30 PM EDT	Areal Flood Warning	ILN	Hamilton	5 hr
May 19, 6:43 PM EDT	Areal Flood Warning	ILN	Greene, Warren	19 hr
May 19, 7:54 PM EDT	Areal Flood Advisory	ILN	Delaware	4 hr
May 18, 10:14 PM EDT	Flash Flood Warning	ILN	Lewis	4 hr
May 19, 4:45 AM EDT	Areal Flood Advisory	ILN	Campbell, Kenton, Pendleton	4 hr
May 19, 5:22 AM EDT	Flash Flood Warning	ILN	Campbell, Kenton, Pendleton	4 hr
May 19, 8:26 AM EDT	River Flood Warning	ILN	Pendleton	56 hr
May 19, 8:26 AM EDT	River Flood Warning	ILN	Campbell, Kenton, Pendleton	52 hr
May 19, 9:12 AM EDT	Flash Flood Warning Considerable damage threat	ILN	Campbell, Kenton, Pendleton	6 hr
May 19, 10:15 AM EDT	Areal Flood Advisory	ILN	Bracken, Campbell, Mason, Pendleton, Robertson	10 hr
May 19, 12:04 PM EDT	Flash Flood Warning	ILN	Boone, Gallatin, Grant, Kenton, Pendleton	3 hr
May 19, 6:32 PM EDT	Areal Flood Warning	ILN	Pendleton	16 hr

Nearby

River Flood Warnings in Ohio, 2020 Every river flood warning in 2020

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.