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Weather Forecast Office Pittsburgh, PA Ohio River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Monongahela River at Point Marion Lock and Dam Tailwater (ft)Flow (kcfs)Observed: 11.87 ft at 1:15AM May 16, 2013Observed: 11.79 ft at 1:30AM May 16, 2013Observed: 11.74 ft at 1:45AM May 16, 2013Observed: 11.82 ft at 2:00AM May 16, 2013Observed: 11.7 ft at 2:15AM May 16, 2013Observed: 11.68 ft at 2:30AM May 16, 2013Observed: 11.63 ft at 2:45AM May 16, 2013Observed: 11.58 ft at 3:00AM May 16, 2013Observed: 11.53 ft at 3:15AM May 16, 2013Observed: 11.51 ft at 3:30AM May 16, 2013Observed: 11.46 ft at 3:45AM May 16, 2013Observed: 11.43 ft at 4:00AM May 16, 2013Observed: 11.44 ft at 4:15AM May 16, 2013Observed: 11.4 ft at 4:30AM May 16, 2013Observed: 11.4 ft at 4:45AM May 16, 2013Observed: 11.38 ft at 5:00AM May 16, 2013Observed: 11.38 ft at 5:15AM May 16, 2013Observed: 11.37 ft at 5:30AM May 16, 2013Observed: 11.38 ft at 5:45AM May 16, 2013Observed: 11.34 ft at 6:00AM May 16, 2013Observed: 11.45 ft at 6:15AM May 16, 2013Observed: 11.44 ft at 6:30AM May 16, 2013Observed: 11.42 ft at 6:45AM May 16, 2013Observed: 11.54 ft at 7:00AM May 16, 2013Observed: 11.49 ft at 7:15AM May 16, 2013Observed: 11.62 ft at 7:30AM May 16, 2013Observed: 11.69 ft at 7:45AM May 16, 2013Observed: 11.68 ft at 8:00AM May 16, 2013Observed: 11.74 ft at 8:15AM May 16, 2013Observed: 11.76 ft at 8:30AM May 16, 2013Observed: 11.86 ft at 8:45AM May 16, 2013Observed: 11.98 ft at 9:00AM May 16, 2013Observed: 12 ft at 9:15AM May 16, 2013Observed: 12.07 ft at 9:30AM May 16, 2013Observed: 12.08 ft at 9:45AM May 16, 2013Observed: 12.14 ft at 10:00AM May 16, 2013Observed: 12.17 ft at 10:15AM May 16, 2013Observed: 12.2 ft at 10:30AM May 16, 2013Observed: 12.22 ft at 10:45AM May 16, 2013Observed: 12.22 ft at 11:00AM May 16, 2013Observed: 12.26 ft at 11:15AM May 16, 2013Observed: 12.26 ft at 11:30AM May 16, 2013Observed: 12.28 ft at 11:45AM May 16, 2013Observed: 12.29 ft at 12:00PM May 16, 2013Observed: 12.3 ft at 12:15PM May 16, 2013Observed: 12.3 ft at 12:30PM May 16, 2013Observed: 12.32 ft at 12:45PM May 16, 2013Observed: 12.33 ft at 1:00PM May 16, 2013Observed: 12.33 ft at 1:15PM May 16, 2013Observed: 12.34 ft at 1:30PM May 16, 2013Observed: 12.34 ft at 1:45PM May 16, 2013Observed: 12.35 ft at 2:00PM May 16, 2013Observed: 12.35 ft at 2:15PM May 16, 2013Observed: 12.23 ft at 2:30PM May 16, 2013Observed: 12.34 ft at 2:45PM May 16, 2013Observed: 12.36 ft at 3:00PM May 16, 2013Observed: 12.34 ft at 3:15PM May 16, 2013Observed: 12.34 ft at 3:30PM May 16, 2013Observed: 12.36 ft at 3:45PM May 16, 2013Observed: 12.36 ft at 4:00PM May 16, 2013Observed: 12.35 ft at 4:15PM May 16, 2013Observed: 12.37 ft at 4:30PM May 16, 2013Observed: 12.37 ft at 4:45PM May 16, 2013Observed: 12.38 ft at 5:00PM May 16, 2013Observed: 12.18 ft at 5:15PM May 16, 2013Observed: 12.36 ft at 5:30PM May 16, 2013Observed: 12.42 ft at 5:45PM May 16, 2013Observed: 12.28 ft at 6:00PM May 16, 2013Observed: 12.33 ft at 6:15PM May 16, 2013Observed: 12.32 ft at 6:30PM May 16, 2013Observed: 12.29 ft at 6:45PM May 16, 2013Observed: 12.26 ft at 7:00PM May 16, 2013Observed: 12.26 ft at 7:15PM May 16, 2013Observed: 12.24 ft at 7:30PM May 16, 2013Observed: 12.22 ft at 7:45PM May 16, 2013Observed: 12.23 ft at 8:00PM May 16, 2013Observed: 12.2 ft at 8:15PM May 16, 2013Observed: 12.2 ft at 8:30PM May 16, 2013Observed: 12.19 ft at 8:45PM May 16, 2013Observed: 12.19 ft at 9:00PM May 16, 2013Observed: 12.18 ft at 9:15PM May 16, 2013Observed: 12.18 ft at 9:30PM May 16, 2013Observed: 12.17 ft at 9:45PM May 16, 2013Observed: 12.16 ft at 10:00PM May 16, 2013Observed: 12.17 ft at 10:15PM May 16, 2013Observed: 12.12 ft at 10:30PM May 16, 2013Observed: 12.12 ft at 10:45PM May 16, 2013Observed: 12.12 ft at 11:00PM May 16, 2013Observed: 12.11 ft at 11:15PM May 16, 2013Observed: 12 ft at 11:30PM May 16, 2013Observed: 11.86 ft at 11:45PM May 16, 2013Observed: 11.81 ft at 12:00AM May 17, 2013Observed: 11.76 ft at 12:15AM May 17, 2013Observed: 11.7 ft at 12:30AM May 17, 2013Observed: 11.61 ft at 12:45AM May 17, 2013Observed: 11.55 ft at 1:00AM May 17, 2013Observed: 11.48 ft at 1:15AM May 17, 2013Observed: 11.45 ft at 1:30AM May 17, 2013Observed: 11.42 ft at 1:45AM May 17, 2013Observed: 11.36 ft at 2:00AM May 17, 2013Observed: 11.33 ft at 2:15AM May 17, 2013Observed: 11.29 ft at 2:30AM May 17, 2013Observed: 11.26 ft at 2:45AM May 17, 2013Observed: 11.24 ft at 3:00AM May 17, 2013Observed: 11.22 ft at 3:15AM May 17, 2013Observed: 11.19 ft at 3:30AM May 17, 2013Observed: 11.17 ft at 3:45AM May 17, 2013Observed: 11.15 ft at 4:00AM May 17, 2013Observed: 11.13 ft at 4:15AM May 17, 2013Observed: 11.12 ft at 4:30AM May 17, 2013Observed: 11.1 ft at 4:45AM May 17, 2013Observed: 11.1 ft at 5:00AM May 17, 2013Observed: 11.4 ft at 5:15AM May 17, 2013Observed: 11.14 ft at 5:30AM May 17, 2013Observed: 11.29 ft at 5:45AM May 17, 2013Observed: 11.31 ft at 6:00AM May 17, 2013Observed: 11.43 ft at 6:15AM May 17, 2013Observed: 11.43 ft at 6:30AM May 17, 2013Observed: 11.56 ft at 6:45AM May 17, 2013Observed: 11.64 ft at 7:00AM May 17, 2013Observed: 11.66 ft at 7:15AM May 17, 2013Observed: 11.72 ft at 7:30AM May 17, 2013Observed: 11.75 ft at 7:45AM May 17, 2013Observed: 11.74 ft at 8:00AM May 17, 2013Observed: 11.82 ft at 8:15AM May 17, 2013Observed: 11.98 ft at 8:30AM May 17, 2013Observed: 11.88 ft at 8:45AM May 17, 2013Observed: 11.94 ft at 9:00AM May 17, 2013Observed: 11.94 ft at 9:15AM May 17, 2013Observed: 11.98 ft at 9:30AM May 17, 2013Observed: 12 ft at 9:45AM May 17, 2013Observed: 11.98 ft at 10:00AM May 17, 2013Observed: 11.99 ft at 10:15AM May 17, 2013Observed: 11.99 ft at 10:30AM May 17, 2013Observed: 12 ft at 10:45AM May 17, 2013Observed: 11.96 ft at 11:00AM May 17, 2013Observed: 11.97 ft at 11:15AM May 17, 2013Observed: 11.98 ft at 11:30AM May 17, 2013Observed: 11.98 ft at 11:45AM May 17, 2013Observed: 11.97 ft at 12:00PM May 17, 2013Observed: 11.97 ft at 12:15PM May 17, 2013Observed: 12.03 ft at 12:30PM May 17, 2013Observed: 12.07 ft at 12:45PM May 17, 2013Observed: 12.1 ft at 1:00PM May 17, 2013Observed: 12.12 ft at 1:15PM May 17, 2013Observed: 12.14 ft at 1:30PM May 17, 2013Observed: 12.18 ft at 1:45PM May 17, 2013Observed: 12.2 ft at 2:00PM May 17, 2013Observed: 12.21 ft at 2:15PM May 17, 2013Observed: 12.26 ft at 2:30PM May 17, 2013Observed: 12.06 ft at 2:45PM May 17, 2013Observed: 12.2 ft at 3:00PM May 17, 2013Observed: 12.28 ft at 3:15PM May 17, 2013Observed: 12.25 ft at 3:30PM May 17, 2013Observed: 12.29 ft at 3:45PM May 17, 2013Observed: 12.3 ft at 4:00PM May 17, 2013Observed: 12.27 ft at 4:15PM May 17, 2013Observed: 12.22 ft at 4:30PM May 17, 2013Observed: 12.25 ft at 4:45PM May 17, 2013Observed: 12.28 ft at 5:00PM May 17, 2013Observed: 12.27 ft at 5:15PM May 17, 2013Observed: 12.28 ft at 5:30PM May 17, 2013Observed: 12.28 ft at 5:45PM May 17, 2013Observed: 12.28 ft at 6:00PM May 17, 2013Observed: 12.28 ft at 6:15PM May 17, 2013Observed: 12.3 ft at 6:30PM May 17, 2013Observed: 12.26 ft at 6:45PM May 17, 2013Observed: 12.24 ft at 7:00PM May 17, 2013Observed: 12.29 ft at 7:15PM May 17, 2013Observed: 12.28 ft at 7:30PM May 17, 2013Observed: 12.28 ft at 7:45PM May 17, 2013Observed: 12.29 ft at 8:00PM May 17, 2013Observed: 12.31 ft at 8:15PM May 17, 2013Observed: 12.28 ft at 8:30PM May 17, 2013Highest Observation: 12.6 ft at 8:45PM May 17, 2013Observed: 12.25 ft at 9:00PM May 17, 2013Observed: 12.28 ft at 9:15PM May 17, 2013Observed: 12.34 ft at 9:30PM May 17, 2013Observed: 12.34 ft at 9:45PM May 17, 2013Observed: 12.37 ft at 10:00PM May 17, 2013Observed: 12.4 ft at 10:15PM May 17, 2013Observed: 12.1 ft at 10:30PM May 17, 2013Observed: 12.04 ft at 10:45PM May 17, 2013Observed: 12 ft at 11:00PM May 17, 2013Observed: 11.94 ft at 11:15PM May 17, 2013Observed: 11.84 ft at 11:30PM May 17, 2013Observed: 11.74 ft at 11:45PM May 17, 2013Observed: 11.65 ft at 12:00AM May 18, 2013Observed: 11.6 ft at 12:15AM May 18, 2013Observed: 11.55 ft at 12:30AM May 18, 2013Observed: 11.5 ft at 12:45AM May 18, 2013Observed: 11.46 ft at 1:00AM May 18, 2013Observed: 11.41 ft at 1:15AM May 18, 2013Observed: 11.38 ft at 1:30AM May 18, 2013Observed: 11.34 ft at 1:45AM May 18, 2013Observed: 11.32 ft at 2:00AM May 18, 2013Observed: 11.25 ft at 2:15AM May 18, 2013Observed: 11.66 ft at 2:30AM May 18, 2013Observed: 11 ft at 2:45AM May 18, 2013Observed: 11.21 ft at 3:00AM May 18, 2013Observed: 11.15 ft at 3:15AM May 18, 2013Observed: 11.2 ft at 3:30AM May 18, 2013Observed: 11.2 ft at 3:45AM May 18, 2013Observed: 11.1 ft at 4:00AM May 18, 2013Observed: 11.12 ft at 4:15AM May 18, 2013Observed: 11.12 ft at 4:30AM May 18, 2013Observed: 11.14 ft at 4:45AM May 18, 2013Observed: 10.82 ft at 5:00AM May 18, 2013Observed: 11.09 ft at 5:15AM May 18, 2013Observed: 11.19 ft at 5:30AM May 18, 2013Observed: 11.02 ft at 5:45AM May 18, 2013Observed: 11.07 ft at 6:00AM May 18, 2013Observed: 11.06 ft at 6:15AM May 18, 2013Observed: 11.07 ft at 6:30AM May 18, 2013Observed: 11.03 ft at 6:45AM May 18, 2013Observed: 11.02 ft at 7:00AM May 18, 2013Observed: 11.02 ft at 7:15AM May 18, 2013Observed: 11.17 ft at 7:30AM May 18, 2013Observed: 11.06 ft at 7:45AM May 18, 2013Observed: 10.9 ft at 8:00AM May 18, 2013Observed: 11.12 ft at 8:15AM May 18, 2013Observed: 11.02 ft at 8:30AM May 18, 2013Observed: 11.32 ft at 8:45AM May 18, 2013Observed: 11.28 ft at 9:00AM May 18, 2013Observed: 11.43 ft at 9:15AM May 18, 2013Observed: 11.46 ft at 9:30AM May 18, 2013Observed: 11.43 ft at 9:45AM May 18, 2013Observed: 11.58 ft at 10:00AM May 18, 2013Observed: 11.58 ft at 10:15AM May 18, 2013Observed: 11.57 ft at 10:30AM May 18, 2013Observed: 11.83 ft at 10:45AM May 18, 2013Observed: 11.62 ft at 11:00AM May 18, 2013Observed: 11.7 ft at 11:15AM May 18, 2013Observed: 11.87 ft at 11:30AM May 18, 2013Observed: 11.78 ft at 11:45AM May 18, 2013Observed: 11.8 ft at 12:00PM May 18, 2013Observed: 11.87 ft at 12:15PM May 18, 2013Observed: 11.68 ft at 12:30PM May 18, 2013Observed: 11.88 ft at 12:45PM May 18, 2013Observed: 11.9 ft at 1:00PM May 18, 2013Observed: 11.87 ft at 1:15PM May 18, 2013Observed: 11.92 ft at 1:30PM May 18, 2013Observed: 11.92 ft at 1:45PM May 18, 2013Observed: 11.93 ft at 2:00PM May 18, 2013Observed: 11.94 ft at 2:15PM May 18, 2013Observed: 11.96 ft at 2:30PM May 18, 2013Observed: 12.24 ft at 2:45PM May 18, 2013Observed: 11.98 ft at 3:00PM May 18, 2013Observed: 12 ft at 3:15PM May 18, 2013Observed: 11.99 ft at 3:30PM May 18, 2013Observed: 12.01 ft at 3:45PM May 18, 2013Observed: 11.98 ft at 4:00PM May 18, 2013Observed: 11.95 ft at 4:15PM May 18, 2013Observed: 11.94 ft at 4:30PM May 18, 2013Observed: 11.88 ft at 4:45PM May 18, 2013Observed: 11.92 ft at 5:00PM May 18, 2013Observed: 11.9 ft at 5:15PM May 18, 2013Observed: 11.87 ft at 5:30PM May 18, 2013Observed: 11.87 ft at 5:45PM May 18, 2013Observed: 11.91 ft at 6:00PM May 18, 2013Observed: 11.88 ft at 6:15PM May 18, 2013Observed: 11.89 ft at 6:30PM May 18, 2013Observed: 11.95 ft at 6:45PM May 18, 2013Observed: 11.94 ft at 7:00PM May 18, 2013Observed: 11.99 ft at 7:15PM May 18, 2013Observed: 11.99 ft at 7:30PM May 18, 2013Observed: 12.01 ft at 7:45PM May 18, 2013Observed: 12.02 ft at 8:00PM May 18, 2013Observed: 12.02 ft at 8:15PM May 18, 2013Observed: 12.05 ft at 8:30PM May 18, 2013Observed: 12.02 ft at 8:45PM May 18, 2013Observed: 11.98 ft at 9:00PM May 18, 2013Observed: 11.95 ft at 9:15PM May 18, 2013Observed: 11.83 ft at 9:30PM May 18, 2013Observed: 11.78 ft at 9:45PM May 18, 2013Observed: 11.8 ft at 10:00PM May 18, 2013Observed: 11.76 ft at 10:15PM May 18, 2013Observed: 11.68 ft at 10:30PM May 18, 2013Observed: 11.64 ft at 10:45PM May 18, 2013Observed: 11.58 ft at 11:00PM May 18, 2013Observed: 11.53 ft at 11:15PM May 18, 2013Observed: 11.51 ft at 11:30PM May 18, 2013Observed: 11.52 ft at 11:45PM May 18, 2013Observed: 11.48 ft at 12:00AM May 19, 2013Observed: 11.5 ft at 12:15AM May 19, 2013Forecast: 12.3 ft 2:00AM May 19, 2013Forecast: 12.2 ft 8:00AM May 19, 2013Forecast: 11.7 ft 2:00PM May 19, 2013Forecast: 11.4 ft 8:00PM May 19, 2013Forecast: 11.1 ft 2:00AM May 20, 2013Forecast: 11.7 ft 8:00AM May 20, 2013Forecast: 12 ft 2:00PM May 20, 2013Highest Forecast: 12.4 ft 8:00PM May 20, 2013Forecast: 11.9 ft 2:00AM May 21, 2013Forecast: 11.4 ft 8:00AM May 21, 2013Forecast: 11.3 ft 2:00PM May 21, 2013Forecast: 12.2 ft 8:00PM May 21, 2013Forecast: 11.5 ft 2:00AM May 22, 2013Forecast: 11 ft 8:00AM May 22, 2013Forecast: 11.2 ft 2:00PM May 22, 2013Forecast: 11.9 ft 8:00PM May 22, 2013Forecast: 11.1 ft 2:00AM May 23, 2013Forecast: 10.7 ft 8:00AM May 23, 2013Forecast: 10.8 ft 2:00PM May 23, 2013Forecast: 11.5 ft 8:00PM May 23, 2013PMRP1(plotting HTIRG) Graph Created (1:02AM May 19, 2013)ObservedForecast (issued 9:41PM May 18)Latest observed value: 11.5 ft at 12:15 AM EDT 19-May-2013. Flood Stage is 26 ft
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Metadata
NOTE: The above river forecast includes future rainfall/snowmelt. Forecast stages may be different if the actual rainfall/snowmelt is different than the forecast rainfall/snowmelt.

NOTE: Forecasts for the Monongahela River at Point Marion Lock and Dam are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Morgantown Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Grays Landing Lock and Dam
Flood Categories (in feet)
Major Flood Stage:28
Moderate Flood Stage:27
Flood Stage:26
Action Stage:20

Historical Crests
(1) 44.40 ft on 11/05/1985
(2) 34.00 ft on 01/19/1996
(3) 33.50 ft on 03/07/1967
(4) 32.30 ft on 02/19/2000
(5) 31.80 ft on 03/05/1963
(6) 30.20 ft on 03/20/1963
(7) 29.70 ft on 05/24/1968
(8) 27.60 ft on 01/26/1978
(9) 27.40 ft on 06/06/1981
(10) 27.20 ft on 08/18/1980
Show More Historical Crests

Low Water Records
(1) 0.00 ft on 01/01/1980
Legend
Gauge Location
Disclaimer
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
45 Flood waters extend to near the railroad tracks
40 Flood waters extend to Main and Cheat Streets
35 Flood waters reach portions of Fourth...Water...Second...Broadway...and Home Streets in Point Marion
34 Flood waters reach homes on Water Street...and the lock walls are overtopped at Point Marion Locks and Dam.
29.7 The first floors of about twenty-five homes in Point Marion are flooded...and backwater flooding occurs along Camp Run.
29 The locks go out of service at the Point Marion Locks and Dam...and navigation is suspended. Flood waters reach Water Street near the intersection with Penn Street in Point Marion.
27.5 Flood waters reach the access road to Point Marion Locks and Dam about 0.8 of a mile below the dam
26 Basement flooding begins in some homes and businesses in Point Marion
About This Location Collapse

Latitude: 39.726944° N, Longitude: 79.911667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 26 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 769 ft 795 ft  

Other Data Sources:
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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
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Pittsburgh Weather Forecast Office
192 Shafer Road
Moon Township, PA 15108
(412) 262-1591
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Page last modified: 13-Mar-2013 6:34 PM 		Disclaimer
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