Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

DID YOU KNOW... Please try our new TEST hydrograph page link at: https://preview.water.noaa.gov/gauges/abcde - Just replace “abcde” with your local hydrograph five character ID found in the lower left corner of the hydrograph.  In late March of 2024, the base URL path will become water.noaa.gov.  Feedback can be provided HERE

Weather Forecast Office Philadelphia/Mount Holly, NJ

Middle Atlantic River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (EST) Datum: NGVD29 Metadata

NOTE: Forecasts for the North Branch Rancocas Creek at Pemberton are issued routinely year-round.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 4.2 Moderate Flood Stage: 3.5 Flood Stage: 2.5 Action Stage: 2.3 Low Stage (in feet): 0 Historic Crests (1) 4.91 ft on 08/29/2011 (2) 4.45 ft on 06/20/2019 (3) 4.23 ft on 08/21/1939 (4) 4.20 ft on 07/14/2004 (5) 4.18 ft on 08/28/1971 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 2.52 ft on 08/24/2021 (2) 4.45 ft on 06/20/2019 (3) 3.03 ft on 11/27/2018 (4) 2.65 ft on 10/13/2018 (5) 2.81 ft on 06/12/2018 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 1.45 ft on 07/10/1993 (2) 1.47 ft on 07/12/1994

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
4.2	Homes along Lee Street, Joe Road, Jill Court, and Mae Avenue take on water. Residents along Old Georges Lane and Rancocas Trail are subject to evacuations.
3.5	Lee Street, Joe Road, and Jill Court in Southampton are subject to evacuations. Old Georges Lane, Rancocas Trail in the Ewansville section of Southampton are also flooded as is Mae Avenue. The flooding in Eastampton spreads to West Railroad Avenue.
2.5	Some minor flooding begins in Eastampton along Rustic, Peninsula, and Paducah Roads. Lee Street, Joe Road, and Jill Court in Southampton also begin to flood.

About This Location

Latitude: 39.969444° N, Longitude: 74.684444° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 2.5 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 31.19 ft 33.69 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 Pemberton

Additional Information

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels 10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS) Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours. Click individual graphics to enlarge. 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 Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management 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: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities