WIS will be a common infrastructure serving all WMO programmes in a cost-effective and satisfactory manner. All of these systems will utilize the WMO Information System (WIS) as the main data collection and exchange system. Requirements are summarised in sixteen areas: CAS, IPY, CHy, JCOMM, CAeM, TCP, PWS, DRR, CIMO, CCI, CAgM, WCRP, GCOS, GEO, ETR and SAT.
WMO programmes who will benefit from the services offered by WIS for the implementation of their data exchange tasks.
NMHS’s who will be able to interactively alter their operational data provisions
Individual users, either a person or an institution, who will be the main beneficiary of WIS, because WIS will provide a single entry point for any data request, be it on a routine basis by dissemination of certain user defined information sets or on an ad-hoc basis for a special data set..
GEOSS because WIS could also form the base for its information systems