The migration from TAC to BUFR is progressing and we are in a phase when new BUFR data are released progressively, transmission of TAC data is discontinued and many of the changes are not adequately or timely advertised. We the aim to provide a daily picture from a NWP point of view we have reviewed the maps made available since few years including a representation of the most common problems preventing the assimilation of some of the BUFR data:  Monitoring Maps

Progress report on migration to BUFR, ECMWF, March 2015

Progress towards high-resolution, real-time radiosonde reports (BAMS, 2016)