Thorpex (THe Observing system Research and Predictability EXperiment) was established in May 2003 by the 14th World Meteorological Congress as a ten-year international global atmospheric research and development programme under the auspices of the WMO (World Meteorological Organization) Commission for Atmospheric Sciences (CAS).
IPY-Thorpex is a cluster of projects under the Thorpex program, all relating to weather or climate in the polar regions and all taking place within the framework of the International Polar Year (IPY).
Visit the international THORPEX web site.