Description

This polygon layer reflects short-range (up to 84 hours) accumulated precipitation forecasts from the Regional Deterministic Prediction System (RDPS), a high-resolution (~10 km) weather model developed by Environment and Climate Change Canada (ECCC). It supports flood forecasting, hydrological modeling, and operational planning by providing refined, near-real-time precipitation guidance for Canada and surrounding areas. Short-Range Forecasts: RDPS runs multiple times per day, offering precipitation outlooks for days 0–3.5 with updates every six hours. High Resolution: At ~10 km, RDPS captures critical mesoscale phenomena like localized downpours, lake-effect snow, and terrain-driven precipitation. Hydrological Utility: Especially valuable for sub-basin-level flood risk assessment and water resource management in near-term scenarios. Technical Basis: The RDPS is a limited-area configuration of the GEM model, using initial/boundary conditions from ECCC’s Global Deterministic Prediction System (GDPS).

Resources

Name	Format	Description	Link
CSV	CSV		https://geoportal.gov.mb.ca/api/download/v1/items/f06087b70fe34b44bcb44a164d8c4ccc/csv?layers=0
GeoJSON	GeoJSON		https://geoportal.gov.mb.ca/api/download/v1/items/f06087b70fe34b44bcb44a164d8c4ccc/geojson?layers=0
KML	KML		https://geoportal.gov.mb.ca/api/download/v1/items/f06087b70fe34b44bcb44a164d8c4ccc/kml?layers=0
Shapefile	ESRI Shape		https://geoportal.gov.mb.ca/api/download/v1/items/f06087b70fe34b44bcb44a164d8c4ccc/shapefile?layers=0
original metadata (https://geoportal.gov.mb.ca)	HTML		https://geoportal.gov.mb.ca/datasets/manitoba::rdps-forecasted-accumulated-precipitation-84-hrs
ArcGIS GeoService	Ersi REST		https://services.arcgis.com/mMUesHYPkXjaFGfS/arcgis/rest/services/RDPS_Forecasted_Accumulated_Precipitation_84_hrs/FeatureServer/0
ArcGIS GeoService	Ersi REST		https://services.arcgis.com/mMUesHYPkXjaFGfS/arcgis/rest/services/RDPS_Forecasted_Accumulated_Precipitation_84_hrs/FeatureServer/0

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