Definitions of the core climate extreme indices (Climdex) (English, French, HTML)

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Publisher-reported update

2026-06-12

Canada's Changing Climate Report (CCCR) is about how and why Canada’s climate has changed and what changes are projected for the future. Chapter 8 assesses past and future changes in Canada’s weather and climate extremes. These tables are meant to serve as supplementary material for CCCR 2026 Ch. 8. The supplementary tables include regional values and 80% uncertainty ranges of climate extreme indices (https://climate-scenarios.canada.ca/?page=climdex-indices) based on climate model output. Projections are based on CanDCS-M6 (https://climate-scenarios.canada.ca/?page=CanDCS6-indices), an ensemble of 26 downscaled (1/12°) and bias-corrected models from phase six of the Coupled Model Intercomparison Project (CMIP6).

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