DHPS produces analyses in near real-time and forecasts over the next six days. From the analyses and forecasts, DHPS provides hourly estimates of:

• River discharge and;
• The volume of water stored in the river channel or at the outlet of an explicitly represented natural lake or regulated reservoir

DHPS also provides analyses and forecasts of some variables averaged over the surface of specified large lakes (listed above) during successive 12-hour periods. Those variables are:

• Precipitation
• Evaporation
• Terrestrial runoff

Outputs currently available via NetCDF

Currently DHPS data is only available through ECCC's internal Science Network

.tar package for each run contains the following:

• Analysis_River-DischargeTwelve hours of river discharge analyses. The analyses correspond to the hour preceding the issue hour.For example, the YYYYMMDDT13Z file contains analysis for the hour starting 12:00Z and ending 12:59Z.
• Storage-River-Channel River channel storage forecasts. There are six files, one for every 24 forecast hours from 24 to 144 hours.
• Storage-LowZone Contains Depth of water in the lower zone storage or subterranean reservoir (kg/m2). Refer to the technical documentation for a detailed description of LZS in WATROUTE.
• Average of twelve hours of spatial analyses for evaporation(Analysis_Evap-SpatialAvg12h), precipitation(Analysis_Precip-SpatialAvg12 ), and total runoff (Analysis_Total-Runoff-Avg12h) for the Great Lakes, Great Slave Lake, Great Bear Lake, Lake Athabasca, and Lake St. Clair. Evaporation and precipitation are averaged over the lake area. Runoff represents the total runoff into a body of water from its immediate watershed, distributed over the surface of that body of water or its immediate watershed. In the resulting files, every lake grid cell contains the spatial-temporal average value for the given variable.
• Drainage-Area This is a constant field that defines the area of the terrain that drains into a given grid cell, including the grid cell itself.
• FlowDir-Corrected Containing corrected flow directions underlying the river network of a modelling domain. Values range from 1 to 128, incremented by powers of 2, progressing clockwise starting from 1 to indicate East and ending with 128 to indicate Northeast. All bodies of water that are represented explicitly by the model are assigned a value of 256.
• Waterbody-ID This file contains all bodies of water that are processed by the river-routing model explicitly. They are indexed numerically, starting at one. There are separate indexes for each basin, so as a result, the are six “1”s in this file. For additional details, please see the technical note.
• River-Discharge Forecasted river discharge. There are a total of 144 files, one for each forecast hour.
• Forecasts of 12-hour accumulations of spatially averaged evaporation (Evap-SpatialAvg), precipitation (Precip-SpatialAvg), and runoff( Total-Runoff-Avg ). There are 12 files,one for every 12 forecast hours from 12 to 144 hours. (012H to 144H). Evaporation and precipitation are averaged over the lake area. Runoff represents the total runoff into a body of water from its immediate watershed, distributed over the surface of that body of water or its immediate watershed. In the resulting files, every lake grid cell contains the spatial-temporal average value for the given variable.

click here for descriptions of various operational statuses

Note: Multiple sets of data exist under different suites and operational statuses