New C3S application published: Weather Replay

We are pleased to announce that the new C3S application Weather Replay has been launched today, 11 May 2026:

Weather Replay is an interactive web-application designed to visualise weather data from the ERA5 reanalysis on an interactive 3D globe (or flat map) with dynamic animations.


The Weather Replay application in action comparing temperature and pressure between two dates of interest.

You can read more in the web article: Weather Replay: your time machine to revisit past weather

For any enquiries regarding this application, please contact us.

ECMWF support

It’s very good, it would be even better if 2m dew point, snowfall, and snow depth could be added.