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Weather Forecast Office Burlington, VT

Northeast River Forecast Center

Hydrograph

River at a Glance

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Printable Image About this graph Tabular Data (UTC) Tabular Data (EST) Datum: NGVD29 Metadata

NOTE: Gauge reading may be affected by ice. Forecast flows are unadjusted for ice. NOTE: Forecasts are not available for the Black River (Northern VT) at Coventry. Only observed stages are available for this point.

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Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 0 Moderate Flood Stage: 0 Flood Stage: 8 Action Stage: 7 Low Stage (in feet): -9999 Historic Crests Currently none available. Recent Crests Currently none available. Low Water Records Currently none available.

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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7	Route 5 between Coventry and Newport will be flooded.
6	Flood waters reach edge of Route 5 between Coventry and Newport. During heavy rain/flash flood event use 6 ft as guidance threshold for flood warning (ALBFFWBTV) for Orleans County. During slow rises such as snowmelt only, water approaches road and 6 ft stage alone should not be criteria for warning issuance.
5	Field flooding occurs along Route 14 between Albany and Irasburg.
Photos (1) View downstream, Black River at Coventry VT (2) View upstream, Black River at Coventry VT (3) Gage house, view from streambank, Black River at Coventry VT (4) Gage House, Black River at Coventry VT

About This Location

Latitude: 44.868889° N, Longitude: 72.270556° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 8 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 29 710 718 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 Coventry

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Area River Monitor Flood Damage Costs/Fatalities in the US Precipitation Frequency Information Inundation Mapping Locations Precipitation Frequencies for Northeast US

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Monthly Hydrologic Conditions Report (NWS Form E-5) Northeast River Forecast Center Flash Flood Guidance Snow Information Flood Safety Ensemble River Forecasts Hourly Precipitation

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