a) To advise and help the president on all matters related to the work of the Commission;

b) To assist the president in planning and coordinating the work of the Commission its Open Programme Area Groups and Expert Teams;

c) To plan, coordinate and actively manage the work of the Commission, its Open Programme Area Groups, Expert Teams and Task Teams, including evaluating the progress achieved in the work programmes and advising on the new priority activities;

d) To monitor the implementation of the IMOP Programme in relation to the WMO Strategic Plans and advise the president on appropriate actions;

e) To advise the president on matters related to cooperation with other technical commissions, regional associations and other relevant international organizations and governmental or non-governmental bodies;

f) To coordinate the activities of the Commission with respect to other technical commissions, regional associations and WMO Cross-cutting programmes;

g) To mobilize experts to enable the work of the Commission to be achieved;

h) To keep under review the internal structure and working methods of the Commission and make necessary adjustments to the working structure during the intersessional period, for efficiency reasons and/or to meet emerging requirements of the Organization;

i) To keep under review the terms of reference of the Open Programme Area Groups and Expert Teams and make necessary adjustments;

j) To advise the president on designations of experts to carry out specific tasks as necessary between sessions of the Commission;

k) OPAG chairs will participate in the meetings of the ETs under their responsibility.