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Weather Forecast Office Wilmington, OH Ohio River Forecast Center

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Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels
Chance of Exceeding Levels
During Entire Period
Ohio River at Meldahl Dam Observed crest: 33.57 ft at 6:30am Feb 08 Observed: 28.35 ft at 9:45pm Feb 6 Observed: 28.52 ft at 10:00pm Feb 6 Observed: 28.56 ft at 10:15pm Feb 6 Observed: 28.69 ft at 10:30pm Feb 6 Observed: 28.71 ft at 10:45pm Feb 6 Observed: 28.83 ft at 11:00pm Feb 6 Observed: 28.85 ft at 11:15pm Feb 6 Observed: 28.87 ft at 11:30pm Feb 6 Observed: 28.94 ft at 11:45pm Feb 6 Observed: 29.04 ft at 12:00am Feb 7 Observed: 29.06 ft at 12:15am Feb 7 Observed: 29.09 ft at 12:30am Feb 7 Observed: 29.11 ft at 12:45am Feb 7 Observed: 29.53 ft at 1:00am Feb 7 Observed: 29.63 ft at 1:15am Feb 7 Observed: 29.8 ft at 1:30am Feb 7 Observed: 29.78 ft at 1:45am Feb 7 Observed: 29.92 ft at 2:00am Feb 7 Observed: 29.94 ft at 2:15am Feb 7 Observed: 30 ft at 2:30am Feb 7 Observed: 30.11 ft at 2:45am Feb 7 Observed: 30.16 ft at 3:00am Feb 7 Observed: 30.2 ft at 3:15am Feb 7 Observed: 30.27 ft at 3:30am Feb 7 Observed: 30.3 ft at 3:45am Feb 7 Observed: 30.29 ft at 4:00am Feb 7 Observed: 30.34 ft at 4:15am Feb 7 Observed: 30.43 ft at 4:30am Feb 7 Observed: 30.44 ft at 4:45am Feb 7 Observed: 30.53 ft at 5:00am Feb 7 Observed: 30.53 ft at 5:15am Feb 7 Observed: 30.53 ft at 5:30am Feb 7 Observed: 30.54 ft at 5:45am Feb 7 Observed: 30.56 ft at 6:00am Feb 7 Observed: 30.59 ft at 6:15am Feb 7 Observed: 30.6 ft at 6:30am Feb 7 Observed: 30.64 ft at 6:45am Feb 7 Observed: 30.68 ft at 7:00am Feb 7 Observed: 30.72 ft at 7:15am Feb 7 Observed: 30.71 ft at 7:30am Feb 7 Observed: 30.75 ft at 7:45am Feb 7 Observed: 30.78 ft at 8:00am Feb 7 Observed: 30.79 ft at 8:15am Feb 7 Observed: 30.78 ft at 8:30am Feb 7 Observed: 30.84 ft at 8:45am Feb 7 Observed: 30.83 ft at 9:00am Feb 7 Observed: 30.87 ft at 9:15am Feb 7 Observed: 31.06 ft at 9:30am Feb 7 Observed: 31.08 ft at 9:45am Feb 7 Observed: 31.16 ft at 10:00am Feb 7 Observed: 31.19 ft at 10:15am Feb 7 Observed: 31.17 ft at 10:30am Feb 7 Observed: 31.29 ft at 10:45am Feb 7 Observed: 31.33 ft at 11:00am Feb 7 Observed: 31.26 ft at 11:15am Feb 7 Observed: 31.31 ft at 11:30am Feb 7 Observed: 31.33 ft at 11:45am Feb 7 Observed: 31.47 ft at 12:00pm Feb 7 Observed: 31.38 ft at 12:15pm Feb 7 Observed: 31.47 ft at 12:30pm Feb 7 Observed: 31.46 ft at 12:45pm Feb 7 Observed: 31.55 ft at 1:00pm Feb 7 Observed: 31.73 ft at 1:15pm Feb 7 Observed: 31.81 ft at 1:30pm Feb 7 Observed: 31.73 ft at 1:45pm Feb 7 Observed: 31.78 ft at 2:00pm Feb 7 Observed: 31.87 ft at 2:15pm Feb 7 Observed: 31.86 ft at 2:30pm Feb 7 Observed: 31.96 ft at 2:45pm Feb 7 Observed: 31.91 ft at 3:00pm Feb 7 Observed: 31.99 ft at 3:15pm Feb 7 Observed: 32.01 ft at 3:30pm Feb 7 Observed: 32.03 ft at 3:45pm Feb 7 Observed: 32.04 ft at 4:00pm Feb 7 Observed: 32.07 ft at 4:15pm Feb 7 Observed: 32.16 ft at 4:30pm Feb 7 Observed: 32.15 ft at 4:45pm Feb 7 Observed: 32.22 ft at 5:00pm Feb 7 Observed: 32.19 ft at 5:15pm Feb 7 Observed: 32.18 ft at 5:30pm Feb 7 Observed: 32.23 ft at 5:45pm Feb 7 Observed: 32.17 ft at 6:00pm Feb 7 Observed: 32.21 ft at 6:15pm Feb 7 Observed: 32.32 ft at 6:30pm Feb 7 Observed: 32.34 ft at 6:45pm Feb 7 Observed: 32.36 ft at 7:00pm Feb 7 Observed: 32.4 ft at 7:15pm Feb 7 Observed: 32.34 ft at 7:30pm Feb 7 Observed: 32.38 ft at 7:45pm Feb 7 Observed: 32.34 ft at 8:00pm Feb 7 Observed: 32.4 ft at 8:15pm Feb 7 Observed: 32.48 ft at 8:30pm Feb 7 Observed: 32.32 ft at 8:45pm Feb 7 Observed: 32.53 ft at 9:00pm Feb 7 Observed: 32.49 ft at 9:15pm Feb 7 Observed: 32.62 ft at 9:30pm Feb 7 Observed: 32.37 ft at 9:45pm Feb 7 Observed: 32.62 ft at 10:00pm Feb 7 Observed: 32.56 ft at 10:15pm Feb 7 Observed: 32.73 ft at 10:30pm Feb 7 Observed: 32.77 ft at 10:45pm Feb 7 Observed: 32.75 ft at 11:00pm Feb 7 Observed: 32.68 ft at 11:15pm Feb 7 Observed: 32.72 ft at 11:30pm Feb 7 Observed: 32.75 ft at 11:45pm Feb 7 Observed: 32.78 ft at 12:00am Feb 8 Observed: 32.77 ft at 12:15am Feb 8 Observed: 32.97 ft at 12:30am Feb 8 Observed: 32.96 ft at 12:45am Feb 8 Observed: 32.99 ft at 1:00am Feb 8 Observed: 33.06 ft at 1:15am Feb 8 Observed: 33.05 ft at 1:30am Feb 8 Observed: 33.08 ft at 1:45am Feb 8 Observed: 33.13 ft at 2:00am Feb 8 Observed: 33.15 ft at 2:15am Feb 8 Observed: 33.15 ft at 2:30am Feb 8 Observed: 33.15 ft at 2:45am Feb 8 Observed: 33.18 ft at 3:00am Feb 8 Observed: 33.24 ft at 3:15am Feb 8 Observed: 33.19 ft at 3:30am Feb 8 Observed: 33.34 ft at 3:45am Feb 8 Observed: 33.36 ft at 4:00am Feb 8 Observed: 33.37 ft at 4:15am Feb 8 Observed: 33.41 ft at 4:30am Feb 8 Observed: 33.43 ft at 4:45am Feb 8 Observed: 33.47 ft at 5:00am Feb 8 Observed: 33.39 ft at 5:15am Feb 8 Observed: 33.47 ft at 5:30am Feb 8 Observed: 33.49 ft at 5:45am Feb 8 Observed: 33.48 ft at 6:00am Feb 8 Observed: 33.49 ft at 6:15am Feb 8 Observed: 33.57 ft at 6:30am Feb 8 Observed: 33.51 ft at 6:45am Feb 8 Observed: 33.51 ft at 7:00am Feb 8 Observed: 33.47 ft at 7:15am Feb 8 Observed: 33.56 ft at 7:30am Feb 8 Observed: 33.52 ft at 7:45am Feb 8 Observed: 33.55 ft at 8:00am Feb 8 Observed: 33.54 ft at 8:15am Feb 8 Observed: 33.56 ft at 8:30am Feb 8 Observed: 33.56 ft at 8:45am Feb 8 Observed: 33.52 ft at 9:00am Feb 8 Observed: 33.29 ft at 9:15am Feb 8 Observed: 33.11 ft at 9:30am Feb 8 Observed: 33.16 ft at 9:45am Feb 8 Observed: 33.08 ft at 10:00am Feb 8 Observed: 33.11 ft at 10:15am Feb 8 Observed: 33.13 ft at 10:30am Feb 8 Observed: 33.03 ft at 10:45am Feb 8 Observed: 33.02 ft at 11:00am Feb 8 Observed: 32.99 ft at 11:15am Feb 8 Observed: 32.92 ft at 11:30am Feb 8 Observed: 32.98 ft at 11:45am Feb 8 Observed: 32.92 ft at 12:00pm Feb 8 Observed: 32.96 ft at 12:15pm Feb 8 Observed: 32.93 ft at 12:30pm Feb 8 Observed: 32.87 ft at 12:45pm Feb 8 Observed: 32.86 ft at 1:00pm Feb 8 Observed: 32.9 ft at 1:15pm Feb 8 Observed: 32.82 ft at 1:30pm Feb 8 Observed: 32.86 ft at 1:45pm Feb 8 Observed: 32.81 ft at 2:00pm Feb 8 Observed: 32.83 ft at 2:15pm Feb 8 Observed: 32.82 ft at 2:30pm Feb 8 Observed: 32.79 ft at 2:45pm Feb 8 Observed: 32.81 ft at 3:00pm Feb 8 Observed: 32.83 ft at 3:15pm Feb 8 Observed: 32.8 ft at 3:30pm Feb 8 Observed: 32.82 ft at 3:45pm Feb 8 Observed: 32.78 ft at 4:00pm Feb 8 Observed: 32.72 ft at 4:15pm Feb 8 Observed: 32.75 ft at 4:30pm Feb 8 Observed: 32.74 ft at 4:45pm Feb 8 Observed: 32.71 ft at 5:00pm Feb 8 Observed: 32.75 ft at 5:15pm Feb 8 Observed: 32.74 ft at 5:30pm Feb 8 Observed: 32.69 ft at 5:45pm Feb 8 Observed: 32.67 ft at 6:00pm Feb 8 Observed: 32.64 ft at 6:15pm Feb 8 Observed: 32.69 ft at 6:30pm Feb 8 Observed: 32.63 ft at 6:45pm Feb 8 Observed: 32.62 ft at 7:00pm Feb 8 Observed: 32.61 ft at 7:15pm Feb 8 Observed: 32.5 ft at 7:30pm Feb 8 Observed: 32.35 ft at 7:45pm Feb 8 Observed: 32.26 ft at 8:00pm Feb 8 Observed: 32.28 ft at 8:15pm Feb 8 Observed: 32.2 ft at 8:30pm Feb 8 Observed: 32.1 ft at 8:45pm Feb 8 Observed: 32.11 ft at 9:00pm Feb 8 Observed: 32.11 ft at 9:15pm Feb 8 Observed: 32.01 ft at 9:30pm Feb 8 Observed: 32 ft at 9:45pm Feb 8 Observed: 32 ft at 10:00pm Feb 8 Observed: 31.94 ft at 10:15pm Feb 8 Observed: 31.96 ft at 10:30pm Feb 8 Observed: 31.94 ft at 10:45pm Feb 8 Observed: 31.9 ft at 11:00pm Feb 8 Observed: 31.88 ft at 11:15pm Feb 8 Observed: 31.92 ft at 11:30pm Feb 8 Observed: 31.85 ft at 11:45pm Feb 8 Observed: 31.79 ft at 12:00am Feb 9 Observed: 31.77 ft at 12:15am Feb 9 Observed: 31.78 ft at 12:30am Feb 9 Observed: 31.73 ft at 12:45am Feb 9 Observed: 31.67 ft at 1:00am Feb 9 Observed: 31.74 ft at 1:15am Feb 9 Observed: 31.64 ft at 1:30am Feb 9 Observed: 31.65 ft at 1:45am Feb 9 Observed: 31.57 ft at 2:00am Feb 9 Observed: 31.6 ft at 2:15am Feb 9 Observed: 31.65 ft at 2:30am Feb 9 Observed: 31.3 ft at 2:45am Feb 9 Observed: 31.28 ft at 3:00am Feb 9 Observed: 31.21 ft at 3:15am Feb 9 Observed: 31.2 ft at 3:30am Feb 9 Observed: 31.16 ft at 3:45am Feb 9 Observed: 31.04 ft at 4:00am Feb 9 Observed: 31.04 ft at 4:15am Feb 9 Observed: 31.02 ft at 4:30am Feb 9 Observed: 30.98 ft at 4:45am Feb 9 Observed: 30.9 ft at 5:00am Feb 9 Observed: 30.82 ft at 5:15am Feb 9 Observed: 30.65 ft at 5:30am Feb 9 Observed: 30.49 ft at 5:45am Feb 9 Observed: 30.34 ft at 6:00am Feb 9 Observed: 30.33 ft at 6:15am Feb 9 Observed: 30.22 ft at 6:30am Feb 9 Observed: 30.18 ft at 6:45am Feb 9 Observed: 30.13 ft at 7:00am Feb 9 Observed: 29.98 ft at 7:15am Feb 9 Observed: 29.98 ft at 7:30am Feb 9 Observed: 29.96 ft at 7:45am Feb 9 Observed: 29.86 ft at 8:00am Feb 9 Observed: 29.85 ft at 8:15am Feb 9 Observed: 29.79 ft at 8:30am Feb 9 Observed: 29.74 ft at 8:45am Feb 9 Observed: 29.71 ft at 9:00am Feb 9 Observed: 29.62 ft at 9:15am Feb 9 Observed: 29.58 ft at 9:30am Feb 9 Observed: 29.6 ft at 9:45am Feb 9 Observed: 29.49 ft at 10:00am Feb 9 Observed: 29.51 ft at 10:15am Feb 9 Observed: 29.49 ft at 10:30am Feb 9 Observed: 29.43 ft at 10:45am Feb 9 Observed: 29.37 ft at 11:00am Feb 9 Observed: 29.38 ft at 11:15am Feb 9 Observed: 28.99 ft at 11:30am Feb 9 Observed: 28.97 ft at 11:45am Feb 9 Observed: 28.86 ft at 12:00pm Feb 9 Observed: 28.85 ft at 12:15pm Feb 9 Observed: 28.76 ft at 12:30pm Feb 9 Observed: 28.81 ft at 12:45pm Feb 9 Observed: 28.65 ft at 1:00pm Feb 9 Observed: 28.63 ft at 1:15pm Feb 9 Observed: 28.57 ft at 1:30pm Feb 9 Observed: 28.55 ft at 1:45pm Feb 9 Observed: 28.47 ft at 2:00pm Feb 9 Observed: 28.41 ft at 2:15pm Feb 9 Observed: 28.36 ft at 2:30pm Feb 9 Observed: 28.32 ft at 2:45pm Feb 9 Observed: 28.27 ft at 3:00pm Feb 9 Observed: 28.18 ft at 3:15pm Feb 9 Observed: 27.86 ft at 3:30pm Feb 9 Observed: 27.8 ft at 3:45pm Feb 9 Observed: 27.75 ft at 4:00pm Feb 9 Observed: 27.73 ft at 4:15pm Feb 9 Observed: 27.67 ft at 4:30pm Feb 9 Observed: 27.57 ft at 4:45pm Feb 9 Observed: 27.49 ft at 5:00pm Feb 9 Observed: 27.49 ft at 5:15pm Feb 9 Observed: 27.34 ft at 5:30pm Feb 9 Observed: 27.36 ft at 5:45pm Feb 9 Observed: 27.12 ft at 6:00pm Feb 9 Observed: 26.98 ft at 6:15pm Feb 9 Observed: 26.75 ft at 6:30pm Feb 9 Observed: 26.75 ft at 6:45pm Feb 9 Observed: 26.64 ft at 7:00pm Feb 9 Observed: 26.66 ft at 7:15pm Feb 9 Observed: 26.56 ft at 7:30pm Feb 9 Observed: 26.49 ft at 7:45pm Feb 9 Observed: 26.44 ft at 8:00pm Feb 9 Observed: 26.34 ft at 8:15pm Feb 9 Observed: 26.26 ft at 8:30pm Feb 9 Forecast: 29.5 ft at 1:00pm Feb 9 Forecast: 28.4 ft at 7:00pm Feb 9 Forecast: 26.9 ft at 1:00am Feb 10 Forecast: 25.6 ft at 7:00am Feb 10 Forecast: 24.3 ft at 1:00pm Feb 10 Forecast: 23.5 ft at 7:00pm Feb 10 Forecast: 23 ft at 1:00am Feb 11 Forecast: 22.7 ft at 7:00am Feb 11 Forecast: 22.6 ft at 1:00pm Feb 11 Forecast: 22.6 ft at 7:00pm Feb 11 Forecast: 22.3 ft at 1:00am Feb 12 Forecast: 22 ft at 7:00am Feb 12 Forecast: 21.7 ft at 1:00pm Feb 12 Forecast: 21.3 ft at 7:00pm Feb 12 Forecast: 20.9 ft at 1:00am Feb 13 Forecast: 20.5 ft at 7:00am Feb 13 Forecast: 20 ft at 1:00pm Feb 13 Forecast: 19.6 ft at 7:00pm Feb 13 Forecast: 19.2 ft at 1:00am Feb 14 Forecast: 18.9 ft at 7:00am Feb 14 Graph Created (9:54pm Feb 9, 2010) Observed Forecast (issued 9:44am Feb 9) MELO1 (plotting HTIRG)   Gage 0  Datum: 443.00 Latest observed value: 26.26 ft at 8:30 PM EST 9-Feb-2010. Flood Stage is 51.0 ft.   Tailwater (ft) Flow (kcfs)
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Tabular Data
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Metadata
NOTE: Forecasts for the Ohio River at Meldahl Dam are issued routinely year-round.

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Upstream Gauge - at Maysville Upstream Gauge Downstream Gauge Downstream Gauge - at Cincinnati

Flood Categories (in feet)
Major Flood Stage:64
Moderate Flood Stage:58
Flood Stage:51
Action Stage:48

Historical Crests
(1) 76.00 ft on 01/26/1937
(2) 63.20 ft on 03/13/1964
(3) 62.50 ft on 03/05/1997
(4) 54.40 ft on 01/11/2005
(5) 53.80 ft on 01/03/1991
(6) 53.73 ft on 01/24/1996
(7) 52.00 ft on 01/31/1994
(8) 51.80 ft on 02/21/2000
(9) 51.77 ft on 12/12/1972
(10) 51.30 ft on 01/09/2004
Show More Historical Crests

Low Water Records
(1) 0 ft on 09/09/1999

Ohio River at Meldahl Dam location map

Flood Impacts Collapse
76.0 This is the flood of record which was set in January 1937. At stages near 76 feet...the entire floodplain is inundated. Much of Highway 52 is flooded...and many low lying residences and businesses must be evacuated.
66.0 The Villages of Moscow and Neville are completely flooded. Major backwater flooding into creeks and streams occurs over Clermont...Brown...Bracken and Pendleton Counties.
63.0 The Village of Neville becomes inaccessible and much of Moscow becomes flooded. Large amounts of property damage can be expected and evacuations of homes and businesses becomes widespread. US 52 is flooded in long stretches.
61.0 The entire Village of Neville in Clermont County becomes flooded. Much of US 52 is impassible for long stretches. Significant lowland and backwater flooding can be expected along the river.
58.0 Much of the Village of Neville floods...with evacuations of homes and businesses becoming necessary. Significant backwater flooding occurs along creeks and streams emptying into the Ohio River. US 52 becomes flooded in many low areas.
55.0 The Village of Neville Ohio begins to experience lowland flooding...while backwater flooding along creeks and streams results in lowland flooding along the river. Route 52 becomes cut off in southern Clermont County at Bear Creek and Maple Creek near Neville.
54.0 Route 52 and State Route 232 near Point Pleasant Ohio become covered with water...while backwater flooding near the river worsens in Clermont...Brown...Bracken and Pendleton Counties.
53.0 Water rises over Route 52 below the locks...and backwater flooding begins along several creeks and streams in Clermont and Brown counties in Ohio and Bracken and Pendleton Counties in Kentucky.
51.0 Lowland and backwater flooding impacts some roads in southern Clermont and Brown Counties in Ohio and Bracken County in Kentucky.
50.0 Lowland flooding near the river increases...as well as backwater flooding in southern Clermont and Brown counties in Ohio and Bracken County in Kentucky.
49.0 Lowland flooding near the river begins...as well as backwater flooding in southern Clermont and Brown counties in Ohio and Bracken county in Kentucky.

About This Location Collapse
Latitude: 38.795000° N, Longitude: 84.151700° W, Horizontal Datum: NAD83

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 51 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 N/A N/A Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 443 ft 494 ft Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other N/A N/A  

Other Data Sources:
Corps of Engineers (COE) Info for Meldahl Dam

Additional Information Collapse
'Normal' pool elevation for the 'lower' gage is 12'

Resources Collapse
Hydrologic Resources
Additional Resources
   

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
Wilmington Weather Forecast Office
1901 South State Route 134
Wilmington, OH 45177
(937) 383-0031
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Page last modified: 29-Jun-2009 10:11 PM
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