Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
NOAA National Weather Service's GIS Data and Product Survey... Click here to take the survey.


Hydrograph River at a Glance Download
Monongahela River at Charleroi Lock and Dam Tailwater (ft)Flow (kcfs)Observed: 13.8 ft at 5:00PM Mar 27, 2015Observed: 13.6 ft at 6:00PM Mar 27, 2015Observed: 13.5 ft at 7:00PM Mar 27, 2015Observed: 12.9 ft at 8:00PM Mar 27, 2015Observed: 12.9 ft at 9:00PM Mar 27, 2015Observed: 12.8 ft at 10:00PM Mar 27, 2015Observed: 13 ft at 11:00PM Mar 27, 2015Observed: 13.3 ft at 12:00AM Mar 28, 2015Observed: 13.3 ft at 12:30AM Mar 28, 2015Observed: 13.6 ft at 1:00AM Mar 28, 2015Observed: 13.7 ft at 2:00AM Mar 28, 2015Observed: 13.9 ft at 3:00AM Mar 28, 2015Observed: 14 ft at 4:00AM Mar 28, 2015Observed: 14 ft at 5:00AM Mar 28, 2015Observed: 13.5 ft at 6:00AM Mar 28, 2015Observed: 13.4 ft at 7:00AM Mar 28, 2015Observed: 12.9 ft at 8:00AM Mar 28, 2015Observed: 12.6 ft at 9:00AM Mar 28, 2015Observed: 12.4 ft at 10:00AM Mar 28, 2015Observed: 12.3 ft at 11:00AM Mar 28, 2015Observed: 12.4 ft at 12:00PM Mar 28, 2015Observed: 12.4 ft at 12:15PM Mar 28, 2015Observed: 12.6 ft at 1:00PM Mar 28, 2015Observed: 12.7 ft at 2:00PM Mar 28, 2015Observed: 12.9 ft at 3:00PM Mar 28, 2015Observed: 13.2 ft at 4:00PM Mar 28, 2015Observed: 13.3 ft at 5:00PM Mar 28, 2015Observed: 13.4 ft at 6:00PM Mar 28, 2015Observed: 13.5 ft at 7:00PM Mar 28, 2015Observed: 13.7 ft at 8:00PM Mar 28, 2015Observed: 14.3 ft at 9:00PM Mar 28, 2015Observed: 14.4 ft at 10:00PM Mar 28, 2015Observed: 14.5 ft at 11:00PM Mar 28, 2015Highest Observation: 14.7 ft at 12:00AM Mar 29, 2015Highest Observation: 14.7 ft at 1:00AM Mar 29, 2015Highest Observation: 14.7 ft at 1:15AM Mar 29, 2015Observed: 14.5 ft at 2:00AM Mar 29, 2015Observed: 14.4 ft at 2:15AM Mar 29, 2015Observed: 14.1 ft at 3:00AM Mar 29, 2015Observed: 13.8 ft at 4:00AM Mar 29, 2015Observed: 13.7 ft at 4:30AM Mar 29, 2015Observed: 13.4 ft at 5:00AM Mar 29, 2015Observed: 13.1 ft at 6:00AM Mar 29, 2015Observed: 12.8 ft at 7:00AM Mar 29, 2015Observed: 12.3 ft at 8:00AM Mar 29, 2015Observed: 12.1 ft at 9:00AM Mar 29, 2015Observed: 12.1 ft at 10:00AM Mar 29, 2015Observed: 12.2 ft at 11:00AM Mar 29, 2015Observed: 12.3 ft at 12:00PM Mar 29, 2015Observed: 12.2 ft at 1:00PM Mar 29, 2015Observed: 12.3 ft at 2:00PM Mar 29, 2015Observed: 12.3 ft at 3:00PM Mar 29, 2015Observed: 12.3 ft at 4:00PM Mar 29, 2015Observed: 12.4 ft at 5:00PM Mar 29, 2015Observed: 12.3 ft at 6:00PM Mar 29, 2015Observed: 12.3 ft at 7:00PM Mar 29, 2015Observed: 12.3 ft at 8:00PM Mar 29, 2015Observed: 12.4 ft at 9:00PM Mar 29, 2015Observed: 12.4 ft at 10:00PM Mar 29, 2015Observed: 12.4 ft at 11:00PM Mar 29, 2015Observed: 12.4 ft at 12:00AM Mar 30, 2015Observed: 12.4 ft at 1:00AM Mar 30, 2015Observed: 12.4 ft at 2:00AM Mar 30, 2015Observed: 12.4 ft at 3:00AM Mar 30, 2015Observed: 12.4 ft at 4:00AM Mar 30, 2015Observed: 12.4 ft at 4:30AM Mar 30, 2015Observed: 12.3 ft at 5:00AM Mar 30, 2015Observed: 12.1 ft at 6:00AM Mar 30, 2015Observed: 12 ft at 6:30AM Mar 30, 2015Observed: 12 ft at 7:00AM Mar 30, 2015Observed: 12 ft at 8:00AM Mar 30, 2015Observed: 11.8 ft at 9:00AM Mar 30, 2015Observed: 11.8 ft at 10:00AM Mar 30, 2015Forecast: 12.2 ft 8:00PM Mar 30, 2015Forecast: 13.5 ft 2:00AM Mar 31, 2015Forecast: 12.3 ft 8:00AM Mar 31, 2015Forecast: 11.7 ft 2:00PM Mar 31, 2015Forecast: 12.5 ft 8:00PM Mar 31, 2015Forecast: 13.6 ft 2:00AM Apr 01, 2015Forecast: 13 ft 8:00AM Apr 01, 2015Forecast: 12.5 ft 2:00PM Apr 01, 2015Forecast: 13.3 ft 8:00PM Apr 01, 2015Highest Forecast: 14 ft 2:00AM Apr 02, 2015Forecast: 13.2 ft 8:00AM Apr 02, 2015Forecast: 12.5 ft 2:00PM Apr 02, 2015Forecast: 13 ft 8:00PM Apr 02, 2015Forecast: 13.7 ft 2:00AM Apr 03, 2015Forecast: 12.9 ft 8:00AM Apr 03, 2015Forecast: 12 ft 2:00PM Apr 03, 2015Forecast: 12.6 ft 8:00PM Apr 03, 2015Forecast: 13.4 ft 2:00AM Apr 04, 2015Forecast: 12.7 ft 8:00AM Apr 04, 2015CHRP1(plotting HTIRZ) Graph Created (4:01PM Mar 30, 2015)ObservedForecast (issued 10:05AM Mar 30)Latest observed value: 11.8 ft at 10:00 AM EDT 30-Mar-2015. Flood Stage is 28 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
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 Charleroi Lock and Dam are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Maxwell Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Elizabeth Lock and Dam
Flood Categories (in feet)
Major Flood Stage: 35
Moderate Flood Stage: 31
Flood Stage: 28
Action Stage: 22.6
Low Stage (in feet): 0

Historic Crests
(1) 42.70 ft on 11/05/1985
(2) 41.10 ft on 03/09/1967
(3) 39.90 ft on 03/18/1936
(4) 39.80 ft on 01/20/1996
(5) 39.40 ft on 03/05/1963
(6) 39.20 ft on 06/04/1941
(7) 38.50 ft on 02/19/2000
(8) 38.00 ft on 10/16/1954
(9) 37.20 ft on 08/06/1956
(10) 36.10 ft on 03/28/1963
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 25.37 ft on 03/15/2015
(2) 33.13 ft on 03/05/2015
(3) 29.30 ft on 01/26/2010
(4) 27.43 ft on 06/05/2008
(5) 31.92 ft on 12/14/2007
(6) 28.08 ft on 03/29/2005
(7) 27.50 ft on 01/12/2005
(8) 28.50 ft on 01/06/2005
(9) 26.30 ft on 09/18/2004
(10) 28.70 ft on 04/14/2004
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 01/01/1980

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:15
KML Image
Gauge LocationGauge Map Marker
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
If you notice any errors in the below information, please contact our Webmaster
37 50 homes are flooded in Roscoe. Flooding also occurs in the towns of Elco, Allenport, and Stockdale.
36 Several homes are flooded on Lynn Street in Roscoe.
35 Backwater flooding in Monongahela along Pigeon Creek causes flood waters up to 4.5 feet in businesses in the lowest building in Penos Plaza and up to 6 feet in Armstrong Park. Backwater flooding spreads upstream along Pigeon Creek to the Route 43 overpass on Park Avenue.
34.1 Division of American Chain and Cable Co. In Monessen floods.
33 Flooding is widspread in Fayette City.
32 Flooding occurs on Connellsville, Fourth, Cook, and Main Streets in Fayette City
31.6 Lock walls overtopped.
30 Backwater flooding along Pigeon Creek in Monongahela, begins to flood the lowest building in Penos Plaza, Armstrong Park, and closes Wall Street Bridge across Pigeon Creek.
29 Navigation suspended, lock out of service.
28 In Monongahela, backwater flooding along Pigeon Creek begins from the intersection of Park Way and Park Avenue.
26 Route 201 in closed due to flooding along Donner's Run.
About This Location Collapse

Latitude: 40.149444° N, Longitude: 79.901667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 28 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 29 717.900024414062 ft 745.900024414062 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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
Pittsburgh Weather Forecast Office
192 Shafer Road
Moon Township, PA 15108
(412) 262-1591
Ask Questions/Webmaster
Page last modified: 12-Feb-2015 9:34 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities