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
Bookmark and Share

  
 

Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...


NOTE: Gauge readings may be delayed or temporarily unavailable due to satellite communication issues.
Weather Forecast Office State College, PA Ohio River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Clarion River at Ridgway Stage (ft)Flow (kcfs)Highest Observation: 3.09 ft at 11:45PM May 19, 2013Highest Observation: 3.09 ft at 12:00AM May 20, 2013Highest Observation: 3.09 ft at 12:15AM May 20, 2013Highest Observation: 3.09 ft at 12:30AM May 20, 2013Highest Observation: 3.09 ft at 12:45AM May 20, 2013Highest Observation: 3.09 ft at 1:00AM May 20, 2013Highest Observation: 3.09 ft at 1:15AM May 20, 2013Highest Observation: 3.09 ft at 1:30AM May 20, 2013Highest Observation: 3.09 ft at 1:45AM May 20, 2013Highest Observation: 3.09 ft at 2:00AM May 20, 2013Highest Observation: 3.09 ft at 2:15AM May 20, 2013Highest Observation: 3.09 ft at 2:30AM May 20, 2013Highest Observation: 3.09 ft at 2:45AM May 20, 2013Highest Observation: 3.09 ft at 3:00AM May 20, 2013Highest Observation: 3.09 ft at 3:15AM May 20, 2013Highest Observation: 3.09 ft at 3:30AM May 20, 2013Highest Observation: 3.09 ft at 3:45AM May 20, 2013Highest Observation: 3.09 ft at 4:00AM May 20, 2013Highest Observation: 3.09 ft at 4:15AM May 20, 2013Highest Observation: 3.09 ft at 4:30AM May 20, 2013Highest Observation: 3.09 ft at 4:45AM May 20, 2013Highest Observation: 3.09 ft at 5:00AM May 20, 2013Highest Observation: 3.09 ft at 5:15AM May 20, 2013Highest Observation: 3.09 ft at 5:30AM May 20, 2013Highest Observation: 3.09 ft at 5:45AM May 20, 2013Highest Observation: 3.09 ft at 6:00AM May 20, 2013Highest Observation: 3.09 ft at 6:15AM May 20, 2013Highest Observation: 3.09 ft at 6:30AM May 20, 2013Highest Observation: 3.09 ft at 6:45AM May 20, 2013Highest Observation: 3.09 ft at 7:00AM May 20, 2013Highest Observation: 3.09 ft at 7:15AM May 20, 2013Highest Observation: 3.09 ft at 7:30AM May 20, 2013Highest Observation: 3.09 ft at 7:45AM May 20, 2013Highest Observation: 3.09 ft at 8:00AM May 20, 2013Highest Observation: 3.09 ft at 8:15AM May 20, 2013Highest Observation: 3.09 ft at 8:30AM May 20, 2013Highest Observation: 3.09 ft at 8:45AM May 20, 2013Highest Observation: 3.09 ft at 9:00AM May 20, 2013Highest Observation: 3.09 ft at 9:15AM May 20, 2013Highest Observation: 3.09 ft at 9:30AM May 20, 2013Highest Observation: 3.09 ft at 9:45AM May 20, 2013Highest Observation: 3.09 ft at 10:00AM May 20, 2013Highest Observation: 3.09 ft at 10:15AM May 20, 2013Highest Observation: 3.09 ft at 10:30AM May 20, 2013Highest Observation: 3.09 ft at 10:45AM May 20, 2013Highest Observation: 3.09 ft at 11:00AM May 20, 2013Highest Observation: 3.09 ft at 11:15AM May 20, 2013Highest Observation: 3.09 ft at 11:30AM May 20, 2013Highest Observation: 3.09 ft at 11:45AM May 20, 2013Highest Observation: 3.09 ft at 12:00PM May 20, 2013Highest Observation: 3.09 ft at 12:15PM May 20, 2013Highest Observation: 3.09 ft at 12:30PM May 20, 2013Highest Observation: 3.09 ft at 12:45PM May 20, 2013Highest Observation: 3.09 ft at 1:00PM May 20, 2013Highest Observation: 3.09 ft at 1:15PM May 20, 2013Highest Observation: 3.09 ft at 1:30PM May 20, 2013Highest Observation: 3.09 ft at 1:45PM May 20, 2013Highest Observation: 3.09 ft at 2:00PM May 20, 2013Highest Observation: 3.09 ft at 2:15PM May 20, 2013Highest Observation: 3.09 ft at 2:30PM May 20, 2013Highest Observation: 3.09 ft at 2:45PM May 20, 2013Highest Observation: 3.09 ft at 3:00PM May 20, 2013Highest Observation: 3.09 ft at 3:15PM May 20, 2013Highest Observation: 3.09 ft at 3:30PM May 20, 2013Highest Observation: 3.09 ft at 3:45PM May 20, 2013Highest Observation: 3.09 ft at 4:00PM May 20, 2013Highest Observation: 3.09 ft at 4:15PM May 20, 2013Highest Observation: 3.09 ft at 4:30PM May 20, 2013Highest Observation: 3.09 ft at 4:45PM May 20, 2013Highest Observation: 3.09 ft at 5:00PM May 20, 2013Highest Observation: 3.09 ft at 5:15PM May 20, 2013Highest Observation: 3.09 ft at 5:30PM May 20, 2013Highest Observation: 3.09 ft at 5:45PM May 20, 2013Highest Observation: 3.09 ft at 6:00PM May 20, 2013Highest Observation: 3.09 ft at 6:15PM May 20, 2013Highest Observation: 3.09 ft at 6:30PM May 20, 2013Highest Observation: 3.09 ft at 6:45PM May 20, 2013Highest Observation: 3.09 ft at 7:00PM May 20, 2013Highest Observation: 3.09 ft at 7:15PM May 20, 2013Highest Observation: 3.09 ft at 7:30PM May 20, 2013Highest Observation: 3.09 ft at 7:45PM May 20, 2013Highest Observation: 3.09 ft at 8:00PM May 20, 2013Highest Observation: 3.09 ft at 8:15PM May 20, 2013Highest Observation: 3.09 ft at 8:30PM May 20, 2013Highest Observation: 3.09 ft at 8:45PM May 20, 2013Highest Observation: 3.09 ft at 9:00PM May 20, 2013Highest Observation: 3.09 ft at 9:15PM May 20, 2013Highest Observation: 3.09 ft at 9:30PM May 20, 2013Highest Observation: 3.09 ft at 9:45PM May 20, 2013Highest Observation: 3.09 ft at 10:00PM May 20, 2013Highest Observation: 3.09 ft at 10:15PM May 20, 2013Highest Observation: 3.09 ft at 10:30PM May 20, 2013Highest Observation: 3.09 ft at 10:45PM May 20, 2013Highest Observation: 3.09 ft at 11:00PM May 20, 2013Highest Observation: 3.09 ft at 11:15PM May 20, 2013Highest Observation: 3.09 ft at 11:30PM May 20, 2013Highest Observation: 3.09 ft at 11:45PM May 20, 2013Highest Observation: 3.09 ft at 12:00AM May 21, 2013Highest Observation: 3.09 ft at 12:15AM May 21, 2013Highest Observation: 3.09 ft at 12:30AM May 21, 2013Highest Observation: 3.09 ft at 12:45AM May 21, 2013Highest Observation: 3.09 ft at 1:00AM May 21, 2013Highest Observation: 3.09 ft at 1:15AM May 21, 2013Highest Observation: 3.09 ft at 1:30AM May 21, 2013Highest Observation: 3.09 ft at 1:45AM May 21, 2013Highest Observation: 3.09 ft at 2:00AM May 21, 2013Highest Observation: 3.09 ft at 2:15AM May 21, 2013Highest Observation: 3.09 ft at 2:30AM May 21, 2013Highest Observation: 3.09 ft at 2:45AM May 21, 2013Highest Observation: 3.09 ft at 3:00AM May 21, 2013Highest Observation: 3.09 ft at 3:15AM May 21, 2013Highest Observation: 3.09 ft at 3:30AM May 21, 2013Highest Observation: 3.09 ft at 3:45AM May 21, 2013Highest Observation: 3.09 ft at 4:00AM May 21, 2013Highest Observation: 3.09 ft at 4:15AM May 21, 2013Highest Observation: 3.09 ft at 4:30AM May 21, 2013Highest Observation: 3.09 ft at 4:45AM May 21, 2013Highest Observation: 3.09 ft at 5:00AM May 21, 2013Highest Observation: 3.09 ft at 5:15AM May 21, 2013Highest Observation: 3.09 ft at 5:30AM May 21, 2013Highest Observation: 3.09 ft at 5:45AM May 21, 2013Highest Observation: 3.09 ft at 6:00AM May 21, 2013Highest Observation: 3.09 ft at 6:15AM May 21, 2013Highest Observation: 3.09 ft at 6:30AM May 21, 2013Highest Observation: 3.09 ft at 6:45AM May 21, 2013Highest Observation: 3.09 ft at 7:00AM May 21, 2013Highest Observation: 3.09 ft at 7:15AM May 21, 2013Highest Observation: 3.09 ft at 7:30AM May 21, 2013Highest Observation: 3.09 ft at 7:45AM May 21, 2013Highest Observation: 3.09 ft at 8:00AM May 21, 2013Highest Observation: 3.09 ft at 8:15AM May 21, 2013Highest Observation: 3.09 ft at 8:30AM May 21, 2013Highest Observation: 3.09 ft at 8:45AM May 21, 2013Highest Observation: 3.09 ft at 9:00AM May 21, 2013Highest Observation: 3.09 ft at 9:15AM May 21, 2013Highest Observation: 3.09 ft at 9:30AM May 21, 2013Highest Observation: 3.09 ft at 9:45AM May 21, 2013Highest Observation: 3.09 ft at 10:00AM May 21, 2013Highest Observation: 3.09 ft at 10:15AM May 21, 2013Highest Observation: 3.09 ft at 10:30AM May 21, 2013Highest Observation: 3.09 ft at 10:45AM May 21, 2013Highest Observation: 3.09 ft at 11:00AM May 21, 2013Highest Observation: 3.09 ft at 11:15AM May 21, 2013Highest Observation: 3.09 ft at 11:30AM May 21, 2013Highest Observation: 3.09 ft at 11:45AM May 21, 2013Highest Observation: 3.09 ft at 12:00PM May 21, 2013Highest Observation: 3.09 ft at 12:15PM May 21, 2013Highest Observation: 3.09 ft at 12:30PM May 21, 2013Highest Observation: 3.09 ft at 12:45PM May 21, 2013Highest Observation: 3.09 ft at 1:00PM May 21, 2013Highest Observation: 3.09 ft at 1:15PM May 21, 2013Highest Observation: 3.09 ft at 1:30PM May 21, 2013Highest Observation: 3.09 ft at 1:45PM May 21, 2013Highest Observation: 3.09 ft at 2:00PM May 21, 2013Highest Observation: 3.09 ft at 2:15PM May 21, 2013Highest Observation: 3.09 ft at 2:30PM May 21, 2013Highest Observation: 3.09 ft at 2:45PM May 21, 2013Highest Observation: 3.09 ft at 3:00PM May 21, 2013Highest Observation: 3.09 ft at 3:15PM May 21, 2013Highest Observation: 3.09 ft at 3:30PM May 21, 2013Highest Observation: 3.09 ft at 3:45PM May 21, 2013Highest Observation: 3.09 ft at 4:00PM May 21, 2013Highest Observation: 3.09 ft at 4:15PM May 21, 2013Highest Observation: 3.09 ft at 4:30PM May 21, 2013Highest Observation: 3.09 ft at 4:45PM May 21, 2013Highest Observation: 3.09 ft at 5:00PM May 21, 2013Highest Observation: 3.09 ft at 5:15PM May 21, 2013Highest Observation: 3.09 ft at 5:30PM May 21, 2013Highest Observation: 3.09 ft at 5:45PM May 21, 2013Highest Observation: 3.09 ft at 6:00PM May 21, 2013Highest Observation: 3.09 ft at 6:15PM May 21, 2013Highest Observation: 3.09 ft at 6:30PM May 21, 2013Highest Observation: 3.09 ft at 6:45PM May 21, 2013Highest Observation: 3.09 ft at 7:00PM May 21, 2013Highest Observation: 3.09 ft at 7:15PM May 21, 2013Highest Observation: 3.09 ft at 7:30PM May 21, 2013Highest Observation: 3.09 ft at 7:45PM May 21, 2013Highest Observation: 3.09 ft at 8:00PM May 21, 2013Highest Observation: 3.09 ft at 8:15PM May 21, 2013Highest Observation: 3.09 ft at 8:30PM May 21, 2013Highest Observation: 3.09 ft at 8:45PM May 21, 2013Highest Observation: 3.09 ft at 9:00PM May 21, 2013Highest Observation: 3.09 ft at 9:15PM May 21, 2013Highest Observation: 3.09 ft at 9:30PM May 21, 2013Highest Observation: 3.09 ft at 9:45PM May 21, 2013Highest Observation: 3.09 ft at 10:00PM May 21, 2013Highest Observation: 3.09 ft at 10:15PM May 21, 2013Highest Observation: 3.09 ft at 10:30PM May 21, 2013Highest Observation: 3.09 ft at 10:45PM May 21, 2013Highest Observation: 3.09 ft at 11:00PM May 21, 2013Highest Observation: 3.09 ft at 11:15PM May 21, 2013Highest Observation: 3.09 ft at 11:30PM May 21, 2013Highest Observation: 3.09 ft at 11:45PM May 21, 2013Highest Observation: 3.09 ft at 12:00AM May 22, 2013Highest Observation: 3.09 ft at 12:15AM May 22, 2013Highest Observation: 3.09 ft at 12:30AM May 22, 2013Highest Observation: 3.09 ft at 12:45AM May 22, 2013Highest Observation: 3.09 ft at 1:00AM May 22, 2013Highest Observation: 3.09 ft at 1:15AM May 22, 2013Highest Observation: 3.09 ft at 1:30AM May 22, 2013Highest Observation: 3.09 ft at 1:45AM May 22, 2013Highest Observation: 3.09 ft at 2:00AM May 22, 2013Highest Observation: 3.09 ft at 2:15AM May 22, 2013Highest Observation: 3.09 ft at 2:30AM May 22, 2013Highest Observation: 3.09 ft at 2:45AM May 22, 2013Highest Observation: 3.09 ft at 3:00AM May 22, 2013Highest Observation: 3.09 ft at 3:15AM May 22, 2013Highest Observation: 3.09 ft at 3:30AM May 22, 2013Highest Observation: 3.09 ft at 3:45AM May 22, 2013Highest Observation: 3.09 ft at 4:00AM May 22, 2013Highest Observation: 3.09 ft at 4:15AM May 22, 2013Highest Observation: 3.09 ft at 4:30AM May 22, 2013Highest Observation: 3.09 ft at 4:45AM May 22, 2013Highest Observation: 3.09 ft at 5:00AM May 22, 2013Highest Observation: 3.09 ft at 5:15AM May 22, 2013Highest Observation: 3.09 ft at 5:30AM May 22, 2013Highest Observation: 3.09 ft at 5:45AM May 22, 2013Highest Observation: 3.09 ft at 6:00AM May 22, 2013Highest Observation: 3.09 ft at 6:15AM May 22, 2013Highest Observation: 3.09 ft at 6:30AM May 22, 2013Highest Observation: 3.09 ft at 6:45AM May 22, 2013Highest Observation: 3.09 ft at 7:00AM May 22, 2013Highest Observation: 3.09 ft at 7:15AM May 22, 2013Highest Observation: 3.09 ft at 7:30AM May 22, 2013Highest Observation: 3.09 ft at 7:45AM May 22, 2013Highest Observation: 3.09 ft at 8:00AM May 22, 2013Highest Observation: 3.09 ft at 8:15AM May 22, 2013Highest Observation: 3.09 ft at 8:30AM May 22, 2013Highest Observation: 3.09 ft at 8:45AM May 22, 2013Highest Observation: 3.09 ft at 9:00AM May 22, 2013Highest Observation: 3.09 ft at 9:15AM May 22, 2013Highest Observation: 3.09 ft at 9:30AM May 22, 2013Highest Observation: 3.09 ft at 9:45AM May 22, 2013Highest Observation: 3.09 ft at 10:00AM May 22, 2013Highest Observation: 3.09 ft at 10:15AM May 22, 2013Highest Observation: 3.09 ft at 10:30AM May 22, 2013Highest Observation: 3.09 ft at 10:45AM May 22, 2013Highest Observation: 3.09 ft at 11:00AM May 22, 2013Highest Observation: 3.09 ft at 11:15AM May 22, 2013Highest Observation: 3.09 ft at 11:30AM May 22, 2013Highest Observation: 3.09 ft at 11:45AM May 22, 2013Highest Observation: 3.09 ft at 12:00PM May 22, 2013Highest Observation: 3.09 ft at 12:15PM May 22, 2013Highest Observation: 3.09 ft at 12:30PM May 22, 2013Highest Observation: 3.09 ft at 12:45PM May 22, 2013Highest Observation: 3.09 ft at 1:00PM May 22, 2013Highest Observation: 3.09 ft at 1:15PM May 22, 2013Highest Observation: 3.09 ft at 1:30PM May 22, 2013Highest Observation: 3.09 ft at 1:45PM May 22, 2013Highest Observation: 3.09 ft at 2:00PM May 22, 2013Highest Observation: 3.09 ft at 2:15PM May 22, 2013Highest Observation: 3.09 ft at 2:30PM May 22, 2013Highest Observation: 3.09 ft at 2:45PM May 22, 2013Highest Observation: 3.09 ft at 3:00PM May 22, 2013Highest Observation: 3.09 ft at 3:15PM May 22, 2013Highest Observation: 3.09 ft at 3:30PM May 22, 2013Highest Observation: 3.09 ft at 3:45PM May 22, 2013Highest Observation: 3.09 ft at 4:00PM May 22, 2013Highest Observation: 3.09 ft at 4:15PM May 22, 2013Highest Observation: 3.09 ft at 4:30PM May 22, 2013Highest Observation: 3.09 ft at 4:45PM May 22, 2013Highest Observation: 3.09 ft at 5:00PM May 22, 2013Highest Observation: 3.09 ft at 5:15PM May 22, 2013Highest Observation: 3.09 ft at 5:30PM May 22, 2013Highest Observation: 3.09 ft at 5:45PM May 22, 2013Highest Observation: 3.09 ft at 6:00PM May 22, 2013Highest Observation: 3.09 ft at 6:15PM May 22, 2013Highest Observation: 3.09 ft at 6:30PM May 22, 2013Highest Observation: 3.09 ft at 6:45PM May 22, 2013Highest Observation: 3.09 ft at 7:00PM May 22, 2013Highest Observation: 3.09 ft at 7:15PM May 22, 2013Highest Observation: 3.09 ft at 7:30PM May 22, 2013Highest Observation: 3.09 ft at 7:45PM May 22, 2013Highest Observation: 3.09 ft at 8:00PM May 22, 2013Highest Observation: 3.09 ft at 8:15PM May 22, 2013Highest Observation: 3.09 ft at 8:30PM May 22, 2013Highest Observation: 3.09 ft at 8:45PM May 22, 2013Highest Observation: 3.09 ft at 9:00PM May 22, 2013Highest Observation: 3.09 ft at 9:15PM May 22, 2013Highest Observation: 3.09 ft at 9:30PM May 22, 2013Highest Observation: 3.09 ft at 9:45PM May 22, 2013Highest Observation: 3.09 ft at 10:00PM May 22, 2013Observed: 3.08 ft at 10:15PM May 22, 2013Observed: 3.08 ft at 10:30PM May 22, 2013Observed: 3.08 ft at 10:45PM May 22, 2013Observed: 3.08 ft at 11:00PM May 22, 2013USGS--Water Resources of the United StatesRDYP1(plotting HGIRG) Graph Created (11:42PM May 22, 2013)ObservedLatest observed value: 3.08 ft at 11:00 PM EDT 22-May-2013. Flood Stage is 16 ft
Printable Image
About this graph
Tabular Data
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Clarion River at Ridgway are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Upstream Gauge - at Johnsonburg Upstream Gauge Downstream Gauge Downstream Gauge - near Cooksburg
Flood Categories (in feet)
Major Flood Stage:20
Moderate Flood Stage:18
Flood Stage:16
Action Stage:11

Historical Crests
(1) 23.10 ft on 07/19/1964
(2) 20.27 ft on 01/19/1996
(3) 19.50 ft on 06/23/1972
(4) 19.21 ft on 12/01/2010
(5) 16.89 ft on 09/18/2004
Show More Historical Crests

Low Water Records
(1) 0.51 ft on 08/17/1949
(2) 0.55 ft on 11/07/1951
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
24 Record flooding is expected on the Clarion River in the vicinity of Ridgway. Water levels are expected to exceed those experienced in July of 1964.
22 Widespread flooding occurs along the right, or west bank. The left bank overflows and affects the sewage treatment plant.
20 The entire area along the right, or west bank is inundated. Numerous homes and businesses are affected by high water. Route 948 is closed due to flooding at several locations.
18 Homes on the right, or west bank above the highway bridge are affected by high water levels.
16 The right, or west bank overflows, affecting low lying areas.
About This Location Collapse

Latitude: 41.420833° N, Longitude: 78.736111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 16 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 1354.9 ft 1370.9 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Other Data Sources:
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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
Ask Questions/Webmaster
Page last modified: 13-Mar-2013 6:34 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities