# Code table 4.2 - Parameter number by product discipline and parameter category 0 0 Visibility (m) 1 1 Albedo (%) 2 2 Thunderstorm probability (%) 3 3 Mixed layer depth (m) 4 4 Volcanic ash ((Code table 4.206)) 5 5 Icing top (m) 6 6 Icing base (m) 7 7 Icing ((Code table 4.207)) 8 8 Turbulence top (m) 9 9 Turbulence base (m) 10 10 Turbulence ((Code table 4.208)) 11 11 Turbulent kinetic energy (J/kg) 12 12 Planetary boundary-layer regime ((Code table 4.209)) 13 13 Contrail intensity ((Code table 4.210)) 14 14 Contrail engine type ((Code table 4.211)) 15 15 Contrail top (m) 16 16 Contrail base (m) 17 17 Maximum snow albedo (%) 18 18 Snow free albedo (%) 19 19 Snow albedo (%) 20 20 Icing (%) 21 21 In-cloud turbulence (%) 22 22 Clear air turbulence (CAT) (%) 23 23 Supercooled large droplet probability (%) 24 24 Convective turbulent kinetic energy (J/kg) 25 25 Weather ((Code table 4.225)) 26 26 Convective outlook ((Code table 4.224)) 27 27 Icing scenario ((Code table 4.227)) 28 28 Mountain wave turbulence (eddy dissipation rate) (m2/3 s-1) 29 29 Clear air turbulence (CAT) (m2/3 s-1) 30 30 Eddy dissipation parameter (m2/3 s-1) 31 31 Maximum of eddy dissipation parameter in layer (m2/3 s-1) 32 32 Highest freezing level (m) 33 33 Visibility through liquid fog (m) 34 34 Visibility through ice fog (m) 35 35 Visibility through blowing snow (m) # 36-191 Reserved # 192-254 Reserved for local use 255 255 Missing