TOC > MSC data > CaLDAS-NSRPS > CaLDAS-NSRPS Changelog
Chronology of changes to the Canadian Land Data Assimilation System in the National Surface and River Prediction System (CaLDAS-NSRPS)
Tuesday June 11, 2024
Upgrade to Version 4.0.0 of the Canadian Land Data Assimilation System in the National Surface and River Prediction System (CaLDAS-NSRPS) at the Canadian Meteorological Centre
On Tuesday June 11, 2024, starting with the 1200 UTC run, the Meteorological Service of Canada's Canadian Meteorological Centre (CMC) will upgrade the Canadian Land Data Assimilation System in the National Surface and River Prediction System (CaLDAS-NSRPS) to v4.0.0
Significant changes:
- Improved IMS Data Upscaling
- Enhanced Precipitation-Phase Partitioning
- Utilization of relative humidity (HR) field from HRDPS forcings
- Transition to HRDPS Forcings for the skin temperature Retrieval
- Addressing Summer Cold Biases in Water Surfaces
A brief summary of the innovations included in this upgrade and their impact on performance can be found in this document.
The official note announcing this implementation is available at this link.
The technical specifications document for CaLDAS-NSRPS 4.0.0 is available at this link.
A technical note with more details on this change at this link
Tuesday June 28, 2022
Upgrade to Version 3.2.0 of the CaLDAS-NSRPS adapted to the New High Performance Computing Infrastructure.
See details at this link
Wednesday December 1st, 2021
Upgrade to Version 3.1.0 of the Canadian Land Data Assimilation System in the National Surface and River Prediction System (CaLDAS-NSRPS) at the Canadian Meteorological Centre
Effective Wednesday, December 1st, 2021, the Canadian Meteorological Centre (CMC) will update the Canadian Land Data Assimilation System in the National Surface and River Prediction System (CaLDAS-NSRPS) to v3.1.0.
A brief summary of the innovations included in this upgrade and their impact on performance can be found in this document.
The official note announcing this implementation is available at this location.