ECMWF transitioned core weather forecast data to open access in 2025 using a tiered service model, retaining over 93% of prior paying organizations and seeing large increases in open downloads.
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From Licensing to Open Access: Designing a Sustainable Transition in Operational Weather Data
ECMWF transitioned core weather forecast data to open access in 2025 using a tiered service model, retaining over 93% of prior paying organizations and seeing large increases in open downloads.