10 0 WIND DERIVED FROM CLOUD MOTION OBSERVED IN THE WATER VAPOUR CHANNEL 21 1 WIND DERIVED FROM CLOUD MOTION OBSERVED IN THE INFRARED CHANNEL 32 2 WIND DERIVED FROM CLOUD MOTION OBSERVED IN THE VISIBLE CHANNEL 43 3 WIND DERIVED FROM CLOUD MOTION OBSERVED IN WATER VAPOUR CHANNEL (CLOUD OR CLEAR AIR NOT SPECIFIED) 54 4 WIND DERIVED FROM MOTION OBSERVED IN COMBINATION OF SPECTRAL CHANNELS 65 5 WIND DERIVED FROM MOTION OBSERVED IN THE WATER VAPOUR CHANNEL IN CLEAR AIR 76 6 WIND DERIVED FROM MOTION OBSERVED IN THE OZONE CHANNEL 87 7 WIND DERIVED FROM MOTION OBSERVED IN WATER VAPOUR CHANNEL (CLOUD OR CLEAR AIR NOT SPECIFIED) 98 8 WIND DERIVED FROM ALTIMETER 109 9 WIND DERIVED FROM RADIOMETER 1113 13 ROOT MEAN SQUARE 1215 15 MISSING VALUE 13