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| 35.0 |
Widespread catastrophic flooding occurs in areas outside the flood wall and levee system. This is the design height of the flood protection works anround Sunbury. |
| 34.0 |
Most areas adjacent to the river...which are not protected by the flood wall and levee system...are affected by high water. Catasrophic flooding occurs in some of these areas. |
| 32.0 |
Widespread flooding occurs in areas not protected by the flood wall and levee system. Many homes and businesses are affected. |
| 30.0 |
Widespread flooding occurs in areas not protected by the flood wall and levee system. Many homes and businesses are affected. |
| 28.0 |
Widespread flooding occurs in areas not protected by the flood wall and levee system. Many homes and businesses are affected. |
| 26.0 |
High water affects a number of homes and businesses in areas not protected by the flood wall and levee system. |
| 24.0 |
Both banks overflow. Areas not protected by the flood wall and levee system are affected. |
| 22.0 |
River interests are encouraged to monitor conditions for further rises. |
| 20.0 |
River interests are encouraged to monitor conditions for further rises. Shilellimy State Park closed due to high water. |
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Photos
(1) looking upstream
(2) view of the gagehouse
(3) looking downstream
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Latitude: 40.835000° N,
Longitude: 76.826000° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
24 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 |
408.6 ft |
432.6 ft |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
N/A |
N/A |
Older USGS topographic maps, MSL benchmarks |
| Other |
N/A |
N/A |
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Hydrologic Resources
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Additional Resources
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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. |
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NWS Information |
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weather.gov 
