dataset · Global

ECMWF AIFS ENS - dynamical.org Icechunk Zarr

The Artificial Intelligence Forecasting System (AIFS) is a data driven forecast model developed by the European Centre for Medium-Range Weather Forecasts (ECMWF). AIFS ENS is the ensemble configuration of AIFS, containing 51 ensemble members. AIFS is trained on ECMWF's ERA5 re-analysis and ECMWF's operational numerical weather prediction (NWP) analyses. These datasets have been translated to cloud-optimized Icechunk Zarr format by [dynamical.org](https://dynamical.org). - [ECMWF AIFS ENS forecas

Source details

Licence: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/)

Evidence quality: 32.5

Listed in aws-odr public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

Evidence

• arn:aws:s3:::dynamical-ecmwf-aifs-ens, arn:aws:sns:us-west-2:761136292730:dynamical-ecmwf-aifs-ens-object_created
• https://registry.opendata.aws/dynamical-ecmwf-aifs-ens/

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.