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Weather Forecast Office Philadelphia/Mount Holly, NJ
River Observations River Forecasts Long-Range Flood Risk Precipitation Download Other Information
Greater than: chance of exceeding river flood levels during
> 50% Major Flooding
> 50% Moderate Flooding
> 50% Minor Flooding
< 50% Chance of Flooding
Long-Range Flood Risk Not Calculated

Last map update:
03/29/2024 at 10:42:44 am EDT
03/29/2024 at 14:42:44 UTC
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Additional USGS river gages can be found at the following Water Science Center links.

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Additional water and weather forecasts can be found at the following Middle Atlantic River Forecast Center links.

72 Hour Precipitation Forecasts Used to Produce Hydrologic Forecasts

Amount of Rain Needed to Produce River Flooding Across Select Fast Responding Basins

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Amount of Rain Needed to Produce Flash Flooding

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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.
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: 2-Nov-2020 7:30 PM
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