Q1 What was the biggest technical challenges to be able to participate in S2S/TIGGE projects at the beginning? What could improve next time?

Challenges:

• conversion to required GRIB2 format is a challenge, specially from NetCDF for example
• fixed reforecast production
• numerous S2S parameters 

User survey summary

User survey summary - preliminary findings summarising examples of comments from the user survey (only issues not acknowledgements)