National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Philadelphia/Mount Holly, NJ

Middle Atlantic River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (EDT)

Datum: NGVD29

Metadata

NOTE: Forecasts are not available for the Green Pond Brook at Picatinny. Only observed stages are available for this point.

Return to Area Map

Flood Categories (in feet)

Major Flood Stage:	0
Moderate Flood Stage:	0
Flood Stage:	3
Action Stage:	2.5
Low Stage (in feet):	-9999

Historic Crests
(1) 3.84 ft on 08/28/2011
(2) 3.51 ft on 04/05/1984
(3) 3.50 ft on 04/05/1984
(4) 3.49 ft on 03/14/2010
(5) 3.30 ft on 09/13/1987
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 3.84 ft on 08/28/2011
(2) 3.49 ft on 03/14/2010
(3) 3.00 ft on 04/16/2007
(4) 2.99 ft on 04/16/2007
(5) 3.00 ft on 04/02/2005
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.34 ft on 10/16/1983

Zoom Level:16

	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.

About This Location

Latitude: 40.959444° N, Longitude: 74.540000° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	3 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	712.54	715.54	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 Picatinny

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

Additional Resources

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
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Page last modified: 1-Mar-2019 12:35 AM

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