Meteorological Service for International Air

It is also provided in the Annex that close haison shall be maintained between those concerned with the supply and those concerned with the use of meteorological information on matters which affect the provision of meteorological service for international air navigation. Furthermore, States have responsibility establish one or more aerodrome and/or other meteorological offices which shall be adequate for the provision of the meteorological service required to satisfy the needs of international air navigation. ... 

The provision of air navigation services are mainly regulated by three Annexes to the Chicago Convention, namely Annex 2 (Rules of the Air), Annex 3 (Meteorological Service for International Air Navigation) and Annex 11 (Air Traffic Services). Of these, compliance with Annex 2 is mandatory and does not... 

The intensive research in air pollution modelling during the last years in some of the 10 countries is due to the fact that it was concentrated at the Meteorological Services and where the stracture and expertise was retained and fiirther developed (Bulgaria, Romania). Another factor for fijrther developments in the modelling studies is the existence of international stractures like WMO and EMEP where all 10 countries participate. 

---