The Local Organizing Committee (LOC) of the IAMAS Beijing 2005 Scientific Assembly is extremely honored to invite the International Association of Meteorology and Atmospheric Sciences to hold its conference in Beijing, China from August 2-11, 2005. The LOC is acting on behalf of the Chinese National Committee for IAMAS, Chinese National Committee for IUGG, the organizer of the event, in collaboration with several local and national organizations and research institutes. We appreciate your interest in the conference and look forward to your participance.