README.cbnc.txt RADAR, ETL Vertical Pointing; Final 12-hr Cloud Boundaries (netCDF)(Uttal) File naming convention: ddmonyyyy.00:00-12:00.bnd.nc.gz (can also be 12:00-24:00 for 12 hour period) NOTE: If .gz is present at end of files, they will have to be uncompressed using gunzip. Description of file information: 12-hour, cloud boundary netCDF files. Contains the following data fields: base_time: File start time in seconds since 1970-01-01 00:00:00 00:00. time_offset: Time axis in seconds from base_time. LayerBottomHeight: Bottom heights of hydrometeor layers from radar in m, AGL. Up to 10 layers. LayerTopHeight: Top heights of hydrometeor layers from radar in m, AGL. Up to 10 layers. NOTE: All of this information is also contained in the header of each netCDF file.