Each ASCII file contains 9 columns of information: 1. TYPE - Type of Wind IR - Imager Long Wave IR Cloud Drift WVCT - Imager Cloud Top WV SWIR - Imager Low Level Short Wave IR VIS - Imager Low Level Visible OIR - Optical Flow Method Long Wave IR Cloud Drift 2. DAY - Julian Day (yyyyddd) 3. HMS - Time of the wind set 4. LAT - Latitude of wind vector + north - south 5. LON - Longitude of wind vector + west - east 6. SPD - Speed of the vector (meters per second) 7. DIR - Direction of vector 8. PRE - Pressure height assignment for vector (mb) 9. QI - EUMETSAT quality control value, note set to 60 for OIR winds