News

  1. Open Data & API workshop March 2026

    On Monday, the 23rd of March 2026, we will organise the KNMI Open Data & API workshop. This day, aimed at anyone using or ...

    05-02-202615:56
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  2. Harmonie Cy43 p1 retention period is now extended

    From January 8th onward the retention period of Harmonie Cy43 p1 has been changed. Instead of a maximum retention period of 72 ...

    13-01-202611:00
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  3. In 2026 we will transition to a new version of Harmonie

    In 2026, there will be a transition from the current Harmonie 43 (HA43) weather model to the new Harmonie46 (HA46) version. This ...

    18-12-202514:14
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