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Hydrograph River at a Glance Download
Connecticut River at Holyoke - Upper Pool (ft)Flow (kcfs)Highest Observation: 5.4 ft at 9:16AM Apr 21, 2014Observed: 4.5 ft at 8:41AM Apr 22, 2014Observed: 3.78 ft at 8:12AM Apr 23, 2014Forecast: 3.8 ft 2:00PM Apr 23, 2014Forecast: 3.8 ft 8:00PM Apr 23, 2014Forecast: 3.7 ft 2:00AM Apr 24, 2014Forecast: 3.7 ft 8:00AM Apr 24, 2014Forecast: 3.8 ft 2:00PM Apr 24, 2014Forecast: 4 ft 8:00PM Apr 24, 2014Forecast: 4.1 ft 2:00AM Apr 25, 2014Highest Forecast: 4.2 ft 8:00AM Apr 25, 2014HLUM3(plotting HPIRZ) Graph Created (12:00PM Apr 23, 2014)ObservedForecast (issued 10:59AM Apr 22)Latest observed value: 3.78 ft at 8:12 AM EDT 23-Apr-2014. Flood Stage is 9 ft
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NOTE: Forecasts for the Connecticut River at Holyoke - Upper are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Northampton Upstream Gauge Downstream Gauge Downstream Gauge - at Holyoke
Flood Categories (in feet)
Major Flood Stage:12
Moderate Flood Stage:10
Flood Stage:9
Action Stage:8

Historical Crests
(1) 16.80 ft on 03/19/1936
(2) 14.90 ft on 09/22/1938
(3) 14.75 ft on 11/05/1927
(4) 13.20 ft on 04/20/1933
(5) 12.70 ft on 03/29/1913
(6) 12.70 ft on 10/05/1869
(7) 12.50 ft on 04/20/1862
(8) 12.10 ft on 04/08/1901
(9) 12.01 ft on 05/31/1984
(10) 12.00 ft on 04/06/1960
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Low Water Records
(1) -6.00 ft on 08/26/1880
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.
 
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If you notice any errors in the below information, please contact our Webmaster
16 THIS IS A SERIOUS FLOOD SITUATION. WIDESPREAD FLOODING ALONG THE CONNECTICUT RIVER FROM HATFIELD AND HADLEY TO HOLYOKE IS LIKELY. ACTION MUST BE TAKEN IMMEDIATELY TO PROTECT LIFE AND PROPERTY. FOLLOW THE DIRECTIONS OF YOUR LOCAL EMERGENCY MANAGEMENT OFFICALS. IF YOU ARE ASKED TO EVACUATE...DO SO IMMEDIATELY.
12 FLOODING ALONG PORTIONS OF ROUTE 5 MAINLY NORTH OF TOWN IS EXPECTED. SOME ROADWAYS MAY BE CLOSED DUE TO FLOODING.
9 LOWLAND FLOODING IN PORTIONS OF EASTHAMPTON AND SOUTH HADLEY IS LIKELY.
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Latitude: 42.213889° N, Longitude: 72.602778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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 Not Available Not Available 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 NULL NULL  

Current/Historical Observations:

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Page last modified: 8-Apr-2014 8:38 AM
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