#Code Table 0.0: Discipline of processed data in the GRIB message, number of GRIB Master table
0 0 Meteorological products
1 1 Hydrological products
2 2 Land surface products
3 3 Satellite remote sensing products (formerly Space products) 
4 4 Space weather products 
10 10 Oceanographic products
20 20 Health and socioeconomic impacts
255 255 Missing