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Weather Forecast Office Philadelphia/Mount Holly, NJ Middle Atlantic River Forecast Center

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Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels
Chance of Exceeding Levels
During Entire Period
Delaware River at Riegelsville Forecast crest: 5.1 ft at 7:00am Feb 10 Observed crest: 5.32 ft at 9:45pm Feb 06 Observed: 5.32 ft at 9:45pm Feb 6 Observed: 5.3 ft at 10:00pm Feb 6 Observed: 5.31 ft at 10:15pm Feb 6 Observed: 5.3 ft at 10:30pm Feb 6 Observed: 5.28 ft at 10:45pm Feb 6 Observed: 5.29 ft at 11:00pm Feb 6 Observed: 5.28 ft at 11:15pm Feb 6 Observed: 5.26 ft at 11:30pm Feb 6 Observed: 5.27 ft at 11:45pm Feb 6 Observed: 5.24 ft at 12:00am Feb 7 Observed: 5.23 ft at 12:15am Feb 7 Observed: 5.24 ft at 12:30am Feb 7 Observed: 5.24 ft at 12:45am Feb 7 Observed: 5.23 ft at 1:00am Feb 7 Observed: 5.21 ft at 1:15am Feb 7 Observed: 5.18 ft at 1:30am Feb 7 Observed: 5.19 ft at 1:45am Feb 7 Observed: 5.17 ft at 2:00am Feb 7 Observed: 5.15 ft at 2:15am Feb 7 Observed: 5.14 ft at 2:30am Feb 7 Observed: 5.14 ft at 2:45am Feb 7 Observed: 5.14 ft at 3:00am Feb 7 Observed: 5.14 ft at 3:15am Feb 7 Observed: 5.14 ft at 3:30am Feb 7 Observed: 5.12 ft at 3:45am Feb 7 Observed: 5.12 ft at 4:00am Feb 7 Observed: 5.11 ft at 4:15am Feb 7 Observed: 5.09 ft at 4:30am Feb 7 Observed: 5.09 ft at 4:45am Feb 7 Observed: 5.08 ft at 5:00am Feb 7 Observed: 5.06 ft at 5:15am Feb 7 Observed: 5.06 ft at 5:30am Feb 7 Observed: 5.05 ft at 5:45am Feb 7 Observed: 5.03 ft at 6:00am Feb 7 Observed: 5.01 ft at 6:15am Feb 7 Observed: 4.99 ft at 6:30am Feb 7 Observed: 4.97 ft at 6:45am Feb 7 Observed: 4.96 ft at 7:00am Feb 7 Observed: 4.94 ft at 7:15am Feb 7 Observed: 4.93 ft at 7:30am Feb 7 Observed: 4.9 ft at 7:45am Feb 7 Observed: 4.89 ft at 8:00am Feb 7 Observed: 4.87 ft at 8:15am Feb 7 Observed: 4.85 ft at 8:30am Feb 7 Observed: 4.81 ft at 8:45am Feb 7 Observed: 4.79 ft at 9:00am Feb 7 Observed: 4.73 ft at 9:15am Feb 7 Observed: 4.73 ft at 9:30am Feb 7 Observed: 4.71 ft at 9:45am Feb 7 Observed: 4.66 ft at 10:00am Feb 7 Observed: 4.65 ft at 10:15am Feb 7 Observed: 4.65 ft at 10:30am Feb 7 Observed: 4.62 ft at 10:45am Feb 7 Observed: 4.6 ft at 11:00am Feb 7 Observed: 4.59 ft at 11:15am Feb 7 Observed: 4.58 ft at 11:30am Feb 7 Observed: 4.6 ft at 11:45am Feb 7 Observed: 4.6 ft at 12:00pm Feb 7 Observed: 4.62 ft at 12:15pm Feb 7 Observed: 4.6 ft at 12:30pm Feb 7 Observed: 4.58 ft at 12:45pm Feb 7 Observed: 4.57 ft at 1:00pm Feb 7 Observed: 4.57 ft at 1:15pm Feb 7 Observed: 4.54 ft at 1:30pm Feb 7 Observed: 4.56 ft at 1:45pm Feb 7 Observed: 4.57 ft at 2:00pm Feb 7 Observed: 4.59 ft at 2:15pm Feb 7 Observed: 4.6 ft at 2:30pm Feb 7 Observed: 4.58 ft at 2:45pm Feb 7 Observed: 4.58 ft at 3:00pm Feb 7 Observed: 4.52 ft at 3:15pm Feb 7 Observed: 4.52 ft at 3:30pm Feb 7 Observed: 4.53 ft at 3:45pm Feb 7 Observed: 4.55 ft at 4:00pm Feb 7 Observed: 4.51 ft at 4:15pm Feb 7 Observed: 4.51 ft at 4:30pm Feb 7 Observed: 4.55 ft at 4:45pm Feb 7 Observed: 4.53 ft at 5:00pm Feb 7 Observed: 4.56 ft at 5:15pm Feb 7 Observed: 4.53 ft at 5:30pm Feb 7 Observed: 4.58 ft at 5:45pm Feb 7 Observed: 4.57 ft at 6:00pm Feb 7 Observed: 4.59 ft at 6:15pm Feb 7 Observed: 4.61 ft at 6:30pm Feb 7 Observed: 4.64 ft at 6:45pm Feb 7 Observed: 4.72 ft at 7:00pm Feb 7 Observed: 4.75 ft at 7:15pm Feb 7 Observed: 4.74 ft at 7:30pm Feb 7 Observed: 4.78 ft at 7:45pm Feb 7 Observed: 4.84 ft at 8:00pm Feb 7 Observed: 4.89 ft at 8:15pm Feb 7 Observed: 4.92 ft at 8:30pm Feb 7 Observed: 4.99 ft at 8:45pm Feb 7 Observed: 5.02 ft at 9:00pm Feb 7 Observed: 5.04 ft at 9:15pm Feb 7 Observed: 5.05 ft at 9:30pm Feb 7 Observed: 5.07 ft at 9:45pm Feb 7 Observed: 5.1 ft at 10:00pm Feb 7 Observed: 5.12 ft at 10:15pm Feb 7 Observed: 5.13 ft at 10:30pm Feb 7 Observed: 5.12 ft at 10:45pm Feb 7 Observed: 5.15 ft at 11:00pm Feb 7 Observed: 5.16 ft at 11:15pm Feb 7 Observed: 5.16 ft at 11:30pm Feb 7 Observed: 5.16 ft at 11:45pm Feb 7 Observed: 5.16 ft at 12:00am Feb 8 Observed: 5.16 ft at 12:15am Feb 8 Observed: 5.16 ft at 12:30am Feb 8 Observed: 5.15 ft at 12:45am Feb 8 Observed: 5.15 ft at 1:00am Feb 8 Observed: 5.14 ft at 1:15am Feb 8 Observed: 5.13 ft at 1:30am Feb 8 Observed: 5.14 ft at 1:45am Feb 8 Observed: 5.12 ft at 2:00am Feb 8 Observed: 5.11 ft at 2:15am Feb 8 Observed: 5.09 ft at 2:30am Feb 8 Observed: 5.1 ft at 2:45am Feb 8 Observed: 5.08 ft at 3:00am Feb 8 Observed: 5.07 ft at 3:15am Feb 8 Observed: 5.07 ft at 3:30am Feb 8 Observed: 5.05 ft at 3:45am Feb 8 Observed: 5.04 ft at 4:00am Feb 8 Observed: 5.03 ft at 4:15am Feb 8 Observed: 5.03 ft at 4:30am Feb 8 Observed: 5.02 ft at 4:45am Feb 8 Observed: 5 ft at 5:00am Feb 8 Observed: 4.99 ft at 5:15am Feb 8 Observed: 4.97 ft at 5:30am Feb 8 Observed: 4.96 ft at 5:45am Feb 8 Observed: 4.95 ft at 6:00am Feb 8 Observed: 4.94 ft at 6:15am Feb 8 Observed: 4.93 ft at 6:30am Feb 8 Observed: 4.92 ft at 6:45am Feb 8 Observed: 4.9 ft at 7:00am Feb 8 Observed: 4.89 ft at 7:15am Feb 8 Observed: 4.87 ft at 7:30am Feb 8 Observed: 4.85 ft at 7:45am Feb 8 Observed: 4.85 ft at 8:00am Feb 8 Observed: 4.82 ft at 8:15am Feb 8 Observed: 4.8 ft at 8:30am Feb 8 Observed: 4.77 ft at 8:45am Feb 8 Observed: 4.7 ft at 9:00am Feb 8 Observed: 4.71 ft at 9:15am Feb 8 Observed: 4.69 ft at 9:30am Feb 8 Observed: 4.66 ft at 9:45am Feb 8 Observed: 4.62 ft at 10:00am Feb 8 Observed: 4.59 ft at 10:15am Feb 8 Observed: 4.61 ft at 10:30am Feb 8 Observed: 4.6 ft at 10:45am Feb 8 Observed: 4.55 ft at 11:00am Feb 8 Observed: 4.54 ft at 11:15am Feb 8 Observed: 4.57 ft at 11:30am Feb 8 Observed: 4.56 ft at 11:45am Feb 8 Observed: 4.53 ft at 12:00pm Feb 8 Observed: 4.53 ft at 12:15pm Feb 8 Observed: 4.5 ft at 12:30pm Feb 8 Observed: 4.51 ft at 12:45pm Feb 8 Observed: 4.49 ft at 1:00pm Feb 8 Observed: 4.51 ft at 1:15pm Feb 8 Observed: 4.52 ft at 1:30pm Feb 8 Observed: 4.52 ft at 1:45pm Feb 8 Observed: 4.54 ft at 2:00pm Feb 8 Observed: 4.53 ft at 2:15pm Feb 8 Observed: 4.52 ft at 2:30pm Feb 8 Observed: 4.5 ft at 2:45pm Feb 8 Observed: 4.51 ft at 3:00pm Feb 8 Observed: 4.5 ft at 3:15pm Feb 8 Observed: 4.49 ft at 3:30pm Feb 8 Observed: 4.5 ft at 3:45pm Feb 8 Observed: 4.49 ft at 4:00pm Feb 8 Observed: 4.49 ft at 4:15pm Feb 8 Observed: 4.48 ft at 4:30pm Feb 8 Observed: 4.48 ft at 4:45pm Feb 8 Observed: 4.48 ft at 5:00pm Feb 8 Observed: 4.47 ft at 5:15pm Feb 8 Observed: 4.48 ft at 5:30pm Feb 8 Observed: 4.49 ft at 5:45pm Feb 8 Observed: 4.5 ft at 6:00pm Feb 8 Observed: 4.51 ft at 6:15pm Feb 8 Observed: 4.52 ft at 6:30pm Feb 8 Observed: 4.53 ft at 6:45pm Feb 8 Observed: 4.56 ft at 7:00pm Feb 8 Observed: 4.57 ft at 7:15pm Feb 8 Observed: 4.6 ft at 7:30pm Feb 8 Observed: 4.61 ft at 7:45pm Feb 8 Observed: 4.65 ft at 8:00pm Feb 8 Observed: 4.66 ft at 8:15pm Feb 8 Observed: 4.69 ft at 8:30pm Feb 8 Observed: 4.72 ft at 8:45pm Feb 8 Observed: 4.74 ft at 9:00pm Feb 8 Observed: 4.75 ft at 9:15pm Feb 8 Observed: 4.78 ft at 9:30pm Feb 8 Observed: 4.79 ft at 9:45pm Feb 8 Observed: 4.8 ft at 10:00pm Feb 8 Observed: 4.85 ft at 10:15pm Feb 8 Observed: 4.85 ft at 10:30pm Feb 8 Observed: 4.87 ft at 10:45pm Feb 8 Observed: 4.88 ft at 11:00pm Feb 8 Observed: 4.9 ft at 11:15pm Feb 8 Observed: 4.9 ft at 11:30pm Feb 8 Observed: 4.91 ft at 11:45pm Feb 8 Observed: 4.91 ft at 12:00am Feb 9 Observed: 4.91 ft at 12:15am Feb 9 Observed: 4.92 ft at 12:30am Feb 9 Observed: 4.91 ft at 12:45am Feb 9 Observed: 4.92 ft at 1:00am Feb 9 Observed: 4.93 ft at 1:15am Feb 9 Observed: 4.92 ft at 1:30am Feb 9 Observed: 4.93 ft at 1:45am Feb 9 Observed: 4.94 ft at 2:00am Feb 9 Observed: 4.94 ft at 2:15am Feb 9 Observed: 4.94 ft at 2:30am Feb 9 Observed: 4.94 ft at 2:45am Feb 9 Observed: 4.94 ft at 3:00am Feb 9 Observed: 4.95 ft at 3:15am Feb 9 Observed: 4.96 ft at 3:30am Feb 9 Observed: 4.96 ft at 3:45am Feb 9 Observed: 4.96 ft at 4:00am Feb 9 Observed: 4.96 ft at 4:15am Feb 9 Observed: 4.96 ft at 4:30am Feb 9 Observed: 4.96 ft at 4:45am Feb 9 Observed: 4.96 ft at 5:00am Feb 9 Observed: 4.95 ft at 5:15am Feb 9 Observed: 4.95 ft at 5:30am Feb 9 Observed: 4.94 ft at 5:45am Feb 9 Observed: 4.95 ft at 6:00am Feb 9 Observed: 4.94 ft at 6:15am Feb 9 Observed: 4.94 ft at 6:30am Feb 9 Observed: 4.92 ft at 6:45am Feb 9 Observed: 4.91 ft at 7:00am Feb 9 Observed: 4.91 ft at 7:15am Feb 9 Observed: 4.89 ft at 7:30am Feb 9 Observed: 4.89 ft at 7:45am Feb 9 Observed: 4.86 ft at 8:00am Feb 9 Observed: 4.86 ft at 8:15am Feb 9 Observed: 4.86 ft at 8:30am Feb 9 Observed: 4.86 ft at 8:45am Feb 9 Observed: 4.85 ft at 9:00am Feb 9 Observed: 4.84 ft at 9:15am Feb 9 Observed: 4.81 ft at 9:30am Feb 9 Observed: 4.81 ft at 9:45am Feb 9 Observed: 4.8 ft at 10:00am Feb 9 Observed: 4.8 ft at 10:15am Feb 9 Observed: 4.79 ft at 10:30am Feb 9 Observed: 4.78 ft at 10:45am Feb 9 Observed: 4.78 ft at 11:00am Feb 9 Observed: 4.78 ft at 11:15am Feb 9 Observed: 4.77 ft at 11:30am Feb 9 Observed: 4.76 ft at 11:45am Feb 9 Observed: 4.77 ft at 12:00pm Feb 9 Observed: 4.76 ft at 12:15pm Feb 9 Observed: 4.76 ft at 12:30pm Feb 9 Observed: 4.75 ft at 12:45pm Feb 9 Observed: 4.74 ft at 1:00pm Feb 9 Observed: 4.74 ft at 1:15pm Feb 9 Observed: 4.74 ft at 1:30pm Feb 9 Observed: 4.74 ft at 1:45pm Feb 9 Observed: 4.73 ft at 2:00pm Feb 9 Observed: 4.73 ft at 2:15pm Feb 9 Observed: 4.73 ft at 2:30pm Feb 9 Observed: 4.73 ft at 2:45pm Feb 9 Observed: 4.73 ft at 3:00pm Feb 9 Observed: 4.73 ft at 3:15pm Feb 9 Observed: 4.73 ft at 3:30pm Feb 9 Observed: 4.73 ft at 3:45pm Feb 9 Observed: 4.74 ft at 4:00pm Feb 9 Observed: 4.72 ft at 4:15pm Feb 9 Observed: 4.73 ft at 4:30pm Feb 9 Observed: 4.74 ft at 4:45pm Feb 9 Observed: 4.77 ft at 5:00pm Feb 9 Observed: 4.76 ft at 5:15pm Feb 9 Observed: 4.76 ft at 5:30pm Feb 9 Observed: 4.77 ft at 5:45pm Feb 9 Observed: 4.78 ft at 6:00pm Feb 9 Observed: 4.79 ft at 6:15pm Feb 9 Observed: 4.8 ft at 6:30pm Feb 9 Observed: 4.79 ft at 6:45pm Feb 9 Observed: 4.81 ft at 7:00pm Feb 9 Observed: 4.81 ft at 7:15pm Feb 9 Observed: 4.81 ft at 7:30pm Feb 9 Observed: 4.81 ft at 7:45pm Feb 9 Observed: 4.84 ft at 8:00pm Feb 9 Observed: 4.85 ft at 8:15pm Feb 9 Observed: 4.87 ft at 8:30pm Feb 9 Forecast: 4.8 ft at 1:00pm Feb 9 Forecast: 5 ft at 7:00pm Feb 9 Forecast: 5 ft at 1:00am Feb 10 Forecast: 5.1 ft at 7:00am Feb 10 Forecast: 5 ft at 1:00pm Feb 10 Forecast: 4.9 ft at 7:00pm Feb 10 Forecast: 4.9 ft at 1:00am Feb 11 Forecast: 4.9 ft at 7:00am Feb 11 Forecast: 4.8 ft at 1:00pm Feb 11 Forecast: 4.8 ft at 7:00pm Feb 11 Forecast: 4.8 ft at 1:00am Feb 12 Forecast: 4.7 ft at 7:00am Feb 12 Graph Created (10:04pm Feb 9, 2010) Observed Forecast (issued 9:46am Feb 9)  USGS--Water Resources of the United States RGLN4 (plotting HGIRG)   Gage 0  Datum: 125.12 Latest observed value: 4.87 ft at 8:30 PM EST 9-Feb-2010. Flood Stage is 22.0 ft.   Stage (ft) Flow (kcfs)
Printable Image
About this graph
Tabular Data
XML Data
RSS Files
Datum: N/A
Metadata
NOTE: Forecasts for the Delaware River at Riegelsville are issued routinely year-round.

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Upstream Gauge - at Easton Upstream Gauge Downstream Gauge Downstream Gauge - at Frenchtown

Flood Categories (in feet)
Major Flood Stage:30
Moderate Flood Stage:26
Flood Stage:22
Action Stage:18

Historical Crests
(1) 38.85 ft on 08/20/1955
(2) 35.90 ft on 10/10/1903
(3) 34.07 ft on 04/03/2005
(4) 33.62 ft on 06/29/2006
(5) 32.45 ft on 03/19/1936
Show More Historical Crests

Low Water Records
Currently none available.

Delaware River at Riegelsville location map

Flood Impacts Collapse
30.0 The town of Reigelsville Pennsylvania begins to flood.
20.0 Local businesses begin to flood.
15.0 Treasure Island Scout Camp floods.
14.5 The entrance to Bull Island State Park is closed. Now unsafe to cross over to Treasure Island Scout Camp.

About This Location Collapse
Latitude: 40.594400° N, Longitude: 75.190000° W, Horizontal Datum: NAD83

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 N/A N/A Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 125.12 ft 147.12 ft Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other N/A N/A  

Other Data Sources:
U.S. Geological Survey (USGS) Data and Site Info for Riegelsville

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
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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Page last modified: 29-Jun-2009 10:11 PM
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