En français

ECCC logo

TOC > MSC data > HRDPS > HRDPS-West Changelog

Chronology of changes to the High Resolution Deterministic Prediction System West (HRDPS-West)

Tuesday June 11, 2024

Upgrade to Version 1.5.0 of the High Resolution Deterministic Prediction System West (HRDPS-West) at the Canadian Meteorological Centre

On Tuesday June 11st, 2024, starting with the 1200 UTC run, the Canadian Meteorological Centre (CMC) will upgrade the High Resolution Deterministic Prediction System West (HRDPS-West) to version 1.5.0.

Significant change:

  • GEM version 5.2.0 upgrade
  • SLEVE vertical coordinate implementation
  • Bourgouin approach for surface precipitation phase partitioning
  • Geophysical fields update
  • Sea(lake) ice initialization(processing) changes .

A brief summary of the innovations included in this upgrade and their impact on performance can be consulted in this document.

The official note announcing the implementation of these changes is available at this link.

A technical note with more details on HRDPS-West 1.5.0 is available at this link.

The technical specifications document for HRDPS-West 1.5.0 is available at this link.

Tuesday June 28, 2022

Upgrade to Version 1.4.0 of the HRDPS-W adapted to the New High Performance Computing Infrastructure.

See details at this link.

Wednesday December 1st, 2021

Upgrade to Version 1.3.0 of the High Resolution Deterministic Prediction System West (HRDPS-W) at the Canadian Meteorological Centre

On Wednesday December 1st, 2021, starting with the 1200 UTC run, the Canadian Meteorological Centre (CMC) will upgrade the High Resolution Deterministic Prediction System West (HRDPS-W) to version 1.3.0.

The changes included in this upgrade are summarized as follows :

  • Migration to GEM version 5.1 with retro-physic.
  • Model configuration similar to HRDPS-National .
  • New geophysical fields.
  • New version of the HRDPS pilot model, version 6.0.0.
  • Extended forecast up to 48h.

The official note announcing the implementation of these changes is available at this link.

A technical note with more details on HRDPS-West 1.3.0 is available at this link.

The technical specifications document for HRDPS-West 1.3.0 is available at this link.