As today’s Live weather depiction on approach to EDDH was a bit underwhelming, I posted in the “Live weather does not match” thread. I probably should have posted here, but as to me it seems not solely a problem with the METAR integration but with the data resolution in general as well, I chose the other thread.
However: The METAR blending process should use the forecast model with the best resolution for any given area, and especially blending the “9999” METAR value for visibilty needs to take the available data from the forecast model for the surrounding area into account, as “9999” doesn’t mean “unlimited”.
For details: