Observations used in the operational data assimilation system of the Canadian Meteorological Centre
Radiosondes
- wind, temperature and humidity profiles
- Volume of data: 60,000
Aircraft (AIREP, ACARS, AMDARS)
- single level winds and temperature
- Volume of data: 10,000
Ship data (SHIP) and surface data
- surface pressure, temperature, winds and humidity
- 20,000
BUOYS (fixed and drifting)
- surface pressure, temperature, winds
- 15,000 data