Information on original NetCDF

https://catalogue.ceda.ac.uk/uuid/93cf539bc3004cc8b98006e69078d86b

BUFR

	CCI AVHRR	CCI CryoClim	IMS
dataCategory	12	12	12
dataSubCategory	162	162	165
oldSubtype	162	162	165
satelliteID	57088	0	0
satelliteIdentifier	223	-	-
satelliteInstruments	591	-	-

Original NetCDF files can be converted to BUFR by the attached Python script: convert.py and convert.sh
The converted BUFR has topography information as with IMS.

ODB

	CCI AVHRR	CCI CryoClim	IMS
obstype	18	18	18
codetype	18	18	18
reportype	40006	40006	40001
groupid	41	41	41

Scripts for NetCDF2BUFR

https://git.ecmwf.int/users/dako/repos/tools/browse/encode_cci