Description

This mosaic is calculated over the North American domain with a horizontal spatial resolution of 1 km. This mosaic therefore includes all the Canadian and American radars available in the network and which can reach a maximum of 180 contributing radars. To better represent precipitation over the different seasons, this mosaic renders in mm/h to represent rain and in cm/h to represent snow. For the two precipitation types (rain and snow), we use two different mathematical relationships to convert the reflectivity by rainfall rates (mm/h rain cm/h for snow). This is a hybrid mosaic from DPQPE (Dual-Pol Quantitative Precipitation Estimation) for S-Band radars. For the US Nexrad radars, ECCC uses the most similar product from the US Meteorological Service (NOAA). This product displays radar reflectivity converted into precipitation rates, using the same formulas as the Canadian radars.

Resources

Name	Format	Description	Link
MSC Open Data documentation	HTML		https://eccc-msc.github.io/open-data/msc-data/obs_radar/readme_radar_en/
MSC Open Data documentation	HTML		https://eccc-msc.github.io/open-data/msc-data/obs_radar/readme_radar_fr/
Radar precipitation rate (Rain) (1 km) [mm/h]	WMS		https://geo.meteo.gc.ca/geomet?lang=fr&service=WMS&request=GetCapabilities&layers=RADAR_1KM_RRAI
Radar precipitation rate (Rain) (1 km) [mm/h]	WMS		https://geo.weather.gc.ca/geomet?lang=en&service=WMS&request=GetCapabilities&layers=RADAR_1KM_RRAI

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