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.

Weather Forecast Office Boston / Norton, MA

Northeast River Forecast Center

Hydrograph

River at a Glance

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

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Printable Image About this graph Tabular Data (UTC) Tabular Data (EST) Datum: NAVD88 Metadata

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the Wood River at Hope Valley are issued routinely year-round.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Flood Categories (in feet) Major Flood Stage: 9 Moderate Flood Stage: 7 Flood Stage: 5 Action Stage: 4.5 Low Stage (in feet): -9999 Historic Crests (1) 13.72 ft on 03/30/2010 (2) 10.26 ft on 06/06/1982 (3) 8.67 ft on 03/22/1980 (4) 8.26 ft on 03/18/1968 (5) 8.24 ft on 01/27/1978 (6) 8.24 ft on 03/31/2014 (7) 8.24 ft on 03/30/2014 (8) 8.00 ft on 10/15/2005 (9) 7.99 ft on 01/22/1979 (10) 7.45 ft on 09/12/1954 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 5.65 ft on 07/17/2023 (2) 5.52 ft on 03/15/2023 (3) 6.04 ft on 01/27/2023 (4) 5.05 ft on 12/24/2022 (5) 5.97 ft on 09/03/2021 (6) 5.84 ft on 12/26/2020 (7) 5.42 ft on 04/14/2020 (8) 5.63 ft on 12/15/2019 (9) 5.41 ft on 04/27/2019 (10) 6.38 ft on 01/25/2019 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available. For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

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

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11	In recent history the river has only approached or exceeded this level during the June 1982 and March 2010 floods. Prolonged road closures are likely. Heed the advice of local officials, and evacuate if asked to do so. Avoid flooded roads.
9	FEMA Flood Insurance Studies indicate that if you are located in the 1% (100 Year) floodplain, your property is at a high risk for flooding. A 1 percent flood is a flood that has a 1 percent chance of occurring in any year. Flooding along the Wood River will block access to portions of Tall Timbers Drive, Leroy Drive, Wood River Circle and Wood River Drive for a prolonged period of time. Dow Field in Hopkinton is substantially inundated. Floodwaters back up behind the Skunk Hill Road Bridge.
8.7	FEMA Flood Insurance documents indicate that at 8.7 feet, if you are located in the 1% (100 year) floodplain, your property is at a high risk for flooding. A 1 percent flood is a flood that has a 1 percent chance of occurring in any year. Flooding along the Wood River will block access to portions of Tall Timbers Drive, Leroy Drive, Wood River Circle and Wood River Drive for a prolonged period of time. Dow Field in Hopkinton is substantially flooded, and floodwaters back up behind Skunk Hill Road Bridge.
8	In Richmond, the Wood River blocks sections of Tall Timbers Drive, Leroy Drive, Wood River Circle and Wood River Drive. Dow field off of main Street in Hopkinton is substantially flooded. Also, floodwaters begin to reach the bottom edge of the Skunk Hill Road Bridge on the Richmond and Hopkinton Town Line.
7	In Richmond, the Wood River blocks sections of Tall Timbers Drive, Leroy Drive, Wood River Circle and Wood River Drive. Dow Field off of Main Street in Hopkinton is substantially flooded.
6	In Richmond, the Wood River renders portions of Wood River Drive and Wood River Circle impassable. In Hopkinton, the Wood River floods sections of Dow Park off of Main Street.
5	In Richmond, floodwaters begin to pond onto Wood River Drive. In Hopkinton off of Main Street, the Wood River begins to flood Dow Park.

About This Location

Latitude: 41.498155° N, Longitude: 71.716456° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 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 60.21 65.21 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available 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 Hope Valley

Additional Information

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels 10 Day (HEFS) 7 Day (NAEFS) 7 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.

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 Boston / Norton Weather Forecast Office 46 Commerce Way Norton, MA 02766 (508) 622-3250 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities