The new flyable condition layer seems not useful.

At the moment in Switzerland we have very good weather to fly, blue sky, GAFOR say the same (O) but the new layer are just red.

Chris

It is not applied on the level of specific met products, the correctional data in forecasting is built directly into the mathematical models - the quality of everything forecasting beyond 3 or 6 hours time frame was always established only by including actual data of a big number of forecast stations.