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This probabilistic forecast is issued by the Ohio River Forecast Center.
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Experimental Short Range Forecast Uncertainty (AHPS) - External Links: Product Description Document | Customer Survey
About this graph
Forecasts for the Scioto River at Prospect are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Larue Upstream Gauge
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 13.5
Flood Stage: 12
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 21.10 ft on 03/25/1913
(2) 15.30 ft on 01/21/1959
(3) 15.14 ft on 03/07/1963
(4) 15.00 ft on 03/22/1927
(5) 14.90 ft on 07/18/1915
(6) 14.80 ft on 04/22/1920
(7) 14.31 ft on 06/20/2019
(8) 14.30 ft on 07/05/1987
(9) 14.19 ft on 01/01/1991
(10) 14.18 ft on 01/06/2005
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.00 ft on 02/20/2022 (P)
(2) 14.31 ft on 06/20/2019
(3) 12.12 ft on 11/05/2018
(4) 11.39 ft on 11/21/2017
(5) 9.12 ft on 06/24/2017
(6) 10.86 ft on 05/08/2017
(7) 10.07 ft on 01/15/2017
(8) 13.99 ft on 06/16/2015
(9) 11.99 ft on 12/08/2011
(10) 13.90 ft on 03/03/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.90 ft on 08/01/1930
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
22 FEMA 0.2 percent flood level. Comparable to the 1913 flood of record. Devastating flooding to Prospect and communities north.
20 Floodwaters inundate most of northern, western, and southern Prospect.
19.5 FEMA 1 percent flood level.
18 Flood waters threatens the Route 47 bridge with widespread flooding along northern parts of town west of 5th Street. Flood waters threaten Main Street in downtown Prospect. Many roads in and out of town are inundated. Homes in northern Deleware County are inundated along Route 257 north.
15 Widespread flooding occurs northern parts of Prospect. The most significant flooding occurs on north Elm Street, Northeast Street, Sellers Street, and Mulberry Street. Both River Road and Route 257 north of Route 36 are impassable with water several feet deep in areas. Homes become inundated.
14 Long stretches of both River Road and Route 257 are flooded in northwest Deleware county, from near Route 36 to the Marion County line.
13.5 Flooding occurs along several streets north of Market Street including North Elm Street, Northeast Street, Sellers Street, and Mulberry Street. Extensive crop flooding. Highway 203 is covered with flood waters for 2 miles.
13 Water covers large stretches of River Road and portions of Route 257 north of Route 36 in northwest Delaware county.
12 Highway 203 inaccessible north of Prospect. In Prospect, Elm, West River, Prospect, and Upper Sandusky Roads are flood. Water covers portions of River Road north of Hoskins Road in northwest Deleware County. Lowland flooding also begins along State Route 257 north of Route 36.
10 Highway 203 is inaccessible north of Prospect. Flooding occurs near Elm Street in northern parts of Prospect.
9 Water inundates low portions of Highway 203 north of Prospect.
(1) Photo of river gauge house south of Prospect. Tipping bucket visible on the roof. Photo courtesy of
(2) Gauge house for the Prospect river gauge. Photo taken by NWS CLE Hydrologist.
(3) Photo taken by NWS CLE Hydrologist.
(4) Downstream shot of the Scioto River from the Hoskins Road bridge. Photo taken by NWS CLE Hydrologist
(5) Wire weight on the downstream side of the bridge. Photo taken by NWS CLE Hydrologist.
(6) Looking upstream of the gauge. Photo taken by NWS Cleveland.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 10 day graphics.

Click individual graphics to enlarge.

Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Cleveland Weather Forecast Office
925 Keynote Circle, Suite #314
Brooklyn Heights, OH 44131
(216) 416-2900
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Page last modified: 2-Nov-2020 7:30 PM
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