1# Code table 4.2 - Parameter number by product discipline and parameter category 20 0 Equivalent radar reflectivity factor for rain (mm6 m-3) 31 1 Equivalent radar reflectivity factor for snow (mm6 m-3) 42 2 Equivalent radar reflectivity factor for parameterized convection (mm6 m-3) 53 3 Echo top (m) 64 4 Reflectivity (dB) 75 5 Composite reflectivity (dB) 8# 6-191 Reserved 9# 192-254 Reserved for local use 10255 255 Missing 11