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Weather Forecast Office Boston / Norton, MA

Northeast River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (EST)

Datum: NGVD29

Metadata

NOTE: Forecasts for the Connecticut River at Northampton are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	120
Moderate Flood Stage:	115
Flood Stage:	112
Action Stage:	110
Low Stage (in feet):	100

Historic Crests
(1) 129.40 ft on 03/19/1936
(2) 125.00 ft on 09/22/1938
(3) 120.80 ft on 05/31/1984
(4) 119.90 ft on 04/06/1960
(5) 118.60 ft on 01/01/1949
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 112.28 ft on 04/23/2019
(2) 113.00 ft on 04/17/2019
(3) 112.88 ft on 02/27/2016
(4) 113.12 ft on 04/17/2014
(5) 112.70 ft on 09/08/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
130	This is near the flood of record, a very dangerous flood. Numerous road closures along the river are likely. Portions of Route 5 may be flooded in Northampton, Easthampton, and northern Holyoke. Know alternate routes. Follow detours to avoid these flooded areas. The Connecticut River may overtop the flood dike in some areas. Widespread inundation along the Mill River in Hatfield through the Valley and South Street neighborhood is expected.
126	The river elevation is approaching the flood of record. Significant impact to both residential and business interests is expected. Follow evacuation orders from local officials. Some roadways, including portions of Route 5 will be closed due to flooding. Know alternate routes and obey all road closures to avoid these areas.
123	Significant flooding will impact Northampton, Easthampton, Hadley and South Hadley. Avoid flooded areas. Follow the directions of local officials, and evacuate if asked to do so. This is a major flood, various low lying residential areas in the vicinity of the river will become inundated and various road closures will occur.
121	Extensive flooding is likely to impact Northampton, Easthampton, Hadley and South Hadley. Follow the directions of local officials and evacuate immediately if asked to do so.
119	Hatfield will continue to experience more extensive flooding as flood waters spread across King Street as well as parts of Main Street on the north side of town. Multiple street closures are likely. Significant flooding occurs in Northampton, Easthampton, Hadley and South Hadley. Follow the directions of local officials and evacuate immediately if asked to do so.
118	Flooding spreads across sections of Hatfield, Hadley, Northampton, Easthampton and South Hadley. Should evacuations be required, follow the directions of local officials and head to higher ground quickly. Farming interests will be significantly impacted in the Pioneer Valley as flood waters continue to rise.
117	Flooding impacts a large portion of the Oxbow in Northampton. Flooding associated with back water from the Connecticut will continue to impact Hatfield. Flooding will continue to worsen along the Mill River in Hatfield while flooding begins to affect parts of Cronin Hill. Some streets may be closed and some local evacuations may be required. Flooding will also become more widespread throughout Northampton.
115	Flooding affects a large portion of the Oxbow in Northampton. Flood waters also reach Route 5, a portion of which may be impassable. Flooding spreads across the lower lying sections of Hadley. In Hatfield, back water from the Connecticut River will push the Mill River over its banks, flooding parts of Valley Street and surrounding areas.
114	Flooding affects the Oxbow in Northampton, including Riverside Homes on Island Road. Flooding also spreads across parts of Hadley. In Hatfield, back water from the Connecticut River will push the Mill River over its banks flooding parts of Valley Street and surrounding areas.
113	Minor flooding will affect portions of Northampton in the vicinity of the Oxbow and Hadley along Aqua Vitae Road. Farming interests in Hatfield outside flood dike protection will experience flooding.
112	Lowland flooding is expected in and around Northampton including low lying sections of the Oxbow. Minor flooding affects Hadley along Aqua Vitae Road. In Hatfield, flooding is expected in the lowest lying sections, primarily farming interests outside flood dike protection.

About This Location

Latitude: 42.310833° N, Longitude: 72.621944° W, Horizontal Datum: NAD27

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	112 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	-0.671	111.33	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	0.0	112.0	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	NULL	NULL

Additional Information

Potential River Levels - Used to

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels
3 Day (SREF)	7 Day (NAEFS)	7 Day (GEFS)

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

River stage data provided by the Northampton Department of Public Works.

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

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

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