ALERT: December 13th update on the status of the nationwide data transmission error preventing stream gauge data collected at affected locations from being displayed on the Advanced Hydrologic Prediction Services (AHPS) webpages. As of 11/08/2018, The USGS has restored all impacted operational stream gauges to transmitting status. The status map of gauge outages from other agencies is here. This will be the last outage map posted as over 95% of the gauge outages have been restored. Local NWS offices will continue to monitor the remaining gauge outages.

Weather Forecast Office Philadelphia/Mount Holly, NJ

Middle Atlantic River Forecast Center

Hydrograph

River at a Glance

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Inundation Mapping

Probability Information Weekly Chance of Exceeding Levels Not Available Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental) Not Available

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Printable Image About this graph Tabular Data (UTC) Tabular Data (EST) Datum: NAVD88 Metadata

NOTE: Forecasts for the Delaware River at Easton are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 30 Moderate Flood Stage: 26 Flood Stage: 22 Action Stage: 20 Low Stage (in feet): -9999 Historic Crests (1) 44.40 ft on 08/19/1955 (2) 38.10 ft on 10/10/1903 (3) 37.20 ft on 04/04/2005 (4) 37.09 ft on 06/29/2006 (5) 33.45 ft on 09/19/2004 (P) Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 29.23 ft on 09/09/2011 (2) 25.15 ft on 08/29/2011 (3) 26.11 ft on 03/12/2011 (4) 22.88 ft on 03/08/2011 (5) 20.72 ft on 10/02/2010 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) -0.30 ft on 09/20/1908 (2) -0.30 ft on 09/26/1941 For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer 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

If you notice any errors in the below information, please contact our Webmaster
41	The intersection of Third and Rose Streets in Phillipsburg begins to flood.
39	Union Square in Phillipsburg is flooded.
38	Approach roads on both sides of the Northampton Street bridge flood.
34	Portions of North Delaware Drive in Easton, closest to the river, begin to flood.
31	North Main Street at Broad Street in Phillipsburg is flooded.
28	Sawmill Street in Phillipsburg begins to flood due to a combination of Delaware River flooding and backwater effects from the Lopatcong Creek.
26	Flooding occurs in Easton up to Riverside Street.
25	Portions of Bushkill Drive and Route 611 are flooded due to a combination of Delaware River flooding and backwater effects on Bushkill Creek.
24	Larry Holmes Drive in Easton is subject to flooding. Riverside Way in Phillipsburg is flooded in the area of the boat ramp.
20	Minor flooding begins upstream in Harmony Station New Jersey and Sandts Eddy Pennsylvania.
18	Backwater from the Delaware causes flooding in Easton along the Lehigh River

About This Location

Latitude: 40.694444° N, Longitude: 75.203333° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 22 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 29 155.43 ft 177.43 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: U.S. Geological Survey (USGS) Data and Site Info for Easton

Additional Information

During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Automated Flood Warning Systems Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Flood Damage Costs/Fatalities in the US, 1903 - 2014 AHPS Web Brochure Snow Information Ensemble River Forecasts Hourly Precipitation

Collaborative Agencies 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 Philadelphia/Mount Holly Weather Forecast Office 732 Woodlane Road Mount Holly, NJ 08060-9615 (609) 261-6600 Ask Questions/Webmaster Page last modified: 21-Dec-2016 10:38 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities