Planette ECMWF IFS S2S Reforecast Data

Description

Global IFS-CY49R1 S2S reforecasts: 10-member ensemble, 46-day lead, 1.5° atmosphere/surface and 1° ocean, 2006–2025.This dataset is derived from the ECMWF Data Store (S2S on-the-fly reforecasts) and published by Planette as a single cloud-native Icechunk/Zarr data cube at s3://planette-ifs-46-day/reforecasts for efficient analysis with xarray.

Update Frequency

Monthly

License

This data is published under a Creative Commons Attribution 4.0 International (CC BY 4.0): https://creativecommons.org/licenses/by/4.0/legalcode

Documentation

https://github.com/PlanetteAI/planette_ifs_archive/blob/main/README.md

Managed By

Planette.ai

See all datasets managed by Planette.ai.

Contact

kyle.rasch@planette.ai

How to Cite

Planette ECMWF IFS S2S Reforecast Data was accessed on DATE from https://registry.opendata.aws/ifs-s2s-forecast-data. European Centre for Medium-Range Weather Forecasts (2026): S2S global sub-seasonal to seasonal ensemble real-time forecasts from multiple NWP centres since 2015. ECMWF Data Store. https://ecds.ecmwf.int/datasets/s2s-reforecasts?tab=overview

Usage Examples

Tutorials

• Get To Know A Dataset IFS by Kyle Rasch
  

Tools & Applications

• icechunk by earth-mover
  
• xarray by xarray Developers
  
• zarr-python by zarr Developers
  

Publications

• ECMWF S2S Reforecasts Documentation by European Centre for Medium-Range Weather Forecasts
  
• The Sub-seasonal to Seasonal (S2S) Prediction Project Database. by Vitart et al.