1. ECMWF web sites
2. Logging in and account settings
3. Data types and format
4. Retrieving small data amounts from the web
5. Retrieve larger data sets on MARS
5. File transfer via ftp
6. Retrieve operational ECMWF fields for FLEXPART
7. Retrieve high-resolution nested ECMWF fields for FLEXPART
8. Some operational ECMWF fields are missing – how to get them!