AAPP v8.4 released

AAPP update 8.4 has been released. The changes include: (i) updates for Metop-C and FY-3D; (ii) a tool to process CrIS from SDR to BUFR, including VIIRS cloud mask and the cluster analysis that was introduced in AAPP v8.3; (iii) corrections to BUFR encode/decode; (iv) portability updates. The software has been tested on both RHEL6 and RHEL7 (equivalent to CentOS6 and CentOS7).