Notation	Name	Description	Status
1	Wind derived from cloud motion observed in the infrared channel		stable
2	Wind derived from cloud motion observed in the visible channel		stable
3	Wind derived from cloud motion observed in the water vapour channel		stable
4	Wind derived from motion observed in a combination of spectral channels		stable
5	Wind derived from motion observed in the water vapour channel in clear air		stable
6	Wind derived from motion observed in the ozone channel		stable
7	Wind derived from motion observed in water vapour channel (cloud or clear air not specified)		stable
13	Root-mean-square		stable
15	Missing value		stable