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Copernicus Arctic Regional Reanalysis (CARRA) Service Page

Copernicus CARRA 2.5 km, 3-hourly regional reanalysis over the European Arctic (1991-present) including precipitation, with documentation and links to the Climate Data Store download.

climate.copernicus.eu

At a glance

Region
Europe
Coverage
1991-present, 2.5 km 3-hourly
Access
Free
Category
International
Last updated
2025

What's inside

  • Regional reanalysis
  • Precipitation

Terms explained

What you can do with it

Typical work that data of this type supports.

  1. 01

    Design storms

    Build rainfall intensity-duration-frequency curves for drainage design.

    Because it has: Precipitation

  2. 02

    Model input

    Drive hydrological, crop and urban drainage models.

  3. 03

    Risk screening

    Screen projects and assets for climate risk.

    Because it has: Regional reanalysis

Where AI adds value

Ideas for machine learning and AI agents built on this kind of data.

  1. 01

    Downscaling

    Turn coarse rainfall grids into field or ward scale estimates.

  2. 02

    Gauge + satellite fusion

    Correct satellite rainfall with gauges using machine learning.

  3. 03

    Bias correction

    Correct and downscale climate model output for a site.

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