ECCC NWP (ECCC_NWP)
Upstream: Environment and Climate Change Canada Datamart (dd.weather.gc.ca) GRIB2 for HRDPS, RDPS, GDPS, REPS, GEPS, etc. URLs combine model-specific paths, cycles, lead times, and parameters.
Transport: HTTP GET via coldcast.download.download_requests().
Auth: None for anonymous Datamart HTTP access (subject to ECCC terms of use).
CLI: coldcast download eccc_nwp [--model HRDPS|RDPS|…]
Settings: ECCC_NWP with default_model and per-model sub-keys.
Code: coldcast.sources.eccc_nwp