EFAS Data Download Taking a Long Time

Datasets and Usage
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Hi everyone,
I’m downloading EFAS flood forecast data from both the website and the API for my Master’s thesis.

But I’ve noticed that it’s taking a really long time, sometimes even up to a full day just to download one month’s worth of data for only river discharge in the last 6 hours, even though the files don’t seem very large. This has made collecting data from the website very difficult and time-consuming.
Has anyone else experienced this? Or is there a way to make the download process faster?

Thanks in advance!

2

Dear @Noemi_Barbieri

Thank you for your query.

For the most efficient way to download CEMS data via the EWDS, please follow the guidance outlined in EWDS - Best Practices.

If you have followed the recommended best practices and the download is still slow, please open a ticket on the ECMWF Support Portal and share your script so we can take a closer look.

Kind regards, CEMS Flood Support