Figure 19 Warm liquid water cloud 20 Supercooled liquid water cloud 21 Mixed phase cloud 22 Optically thin ice cloud 23 Optically thick ice cloud 24 Multi-layered cloud In Code table 4.3, Code Meaning Figure 16 Physical retrieval 17 Regression analysis New parameters in GRIB2 Code Table 4.2 for moisture, radiation 2015-2.2.8(DRMM-III) and clouds [FT2015-2 except for Code table 4.5 (FT2016-1)] <> Add entries: In Code table 4.2, Domain Parameter Parameter Description Units Comment or Category Number note 0 0 027 Wet bulb temperature K 0 4 013 Direct short wave radiation flux W m-2 0 4 014 Diffuse short wave radiation flux W m-2 0 6 040 Mass density of convective cloud kg m-3 water droplets 0 6 047 Volume fraction of cloud water Numeric Note x droplets 0 6 048 Volume fraction of cloud ice Numeric Note x particles 0 6 049 Volume fraction of cloud (ice and/or Numeric Note x water) Note: (x) The sum of the water and ice fractions may exceed the total due to overlap between the volumes containing ice and those containing liquid water. Fixed surface type for cloud base fields Add an entry to GRIB2 Code table 4.5 [FT2016-1] Code figure Meaning Unit 013 Lowest level where vertically integrated cloud cover exceeds the specified % percentage (cloud base for a given percentage cloud cover) New GRIB2 Parameters in Code table 4.2 2015-2.2.9(DRMM-III) [FT2015-2] <> Add entries: In Code table 4.2, Product Discipline 0 – Meteorological products, Parameter category 2: momentum Number Parameter Units 41 u-component of geostrophic wind m s-1 42 v-component of geostrophic wind m s-1 43 Geostrophic wind direction degree true 44 Geostrophic wind speed m s-1
Figure 19 Warm liquid water cloud 20 Supercooled liquid water cloud 21 Mixed phase cloud 22 Optically thin ice cloud 23 Optically thick ice cloud 24 Multi-layered cloud In Code table 4.3, Code Figure Meaning 16 Physical retrieval 17 Regression analysis 2015-2.2.8(DRMM-III) New parameters in GRIB2 Code Table 4.2 for moisture, radiation and clouds [FT2015-2 except for Code table 4.5 (FT2016-1)] <> Add entries: In Code table 4.2, Domain Parameter Category Parameter Number Description Units Comment or note 0 0 027 Wet bulb temperature K 0 4 013 Direct short wave radiation flux W m-2 0 4 014 Diffuse short wave radiation flux W m-2 0 6 040 Mass density of convective cloud water droplets kg m-3 0 6 047 Volume fraction of cloud water droplets Numeric Note x 0 6 048 Volume fraction of cloud ice particles Numeric Note x 0 6 049 Volume fraction of cloud (ice and/or water) Numeric Note x Note: (x) The sum of the water and ice fractions may exceed the total due to overlap between the volumes containing ice and those containing liquid water. Add an entry to GRIB2 Code table 4.5 Fixed surface type for cloud base fields [FT2016-1] Code figure Meaning Unit 013 Lowest level where vertically integrated cloud cover exceeds the specified percentage (cloud base for a given percentage cloud cover) % 2015-2.2.9(DRMM-III) New GRIB2 Parameters in Code table 4.2 [FT2015-2] <> Add entries: In Code table 4.2, Product Discipline 0 – Meteorological products, Parameter category 2: momentum Number Parameter Units 41 u-component of geostrophic wind m s-1 42 v-component of geostrophic wind m s-1 43 Geostrophic wind direction degree true 44 Geostrophic wind speed m s-1
ICT-ISS-2016-i04.03(02)_DraftReport_IPET-DRMM-IV_Geneva_annex.docx