and where is the forth member state situated?
It is not in a free association with France,
Macau
 is a city in the western Pearl River Delta by the South China Sea. 
what time of year is hail most likely In North America it occurs between  March and October,with the bulk of the occurrences from May through September. what does it refers to? Hail is a form of solid precipitation. It is distinct from ice pellets (American English "sleet") what are the factors favoring it? Movement of dry air into strong thunderstorms over continents can increase the frequency of hail by promoting evaporational cooling which lowers the freezing level of thunderstorm clouds giving hail a larger volume to grow in. what cases of it are recorded? Megacryometeors, large rocks of ice that are not associated with thunderstorms, are not officially recognized by the World Meteorological Organization as "hail," which are aggregations of ice associated with thunderstorms, and therefore records of extreme characteristics of megacryometeors are not given as hail records where is this mentioned organization based? UNANSWERABLE who governs it? Convention of the World Meteorological Organization who are its member states? British Caribbean Territories (joint meteorological organization and membership), French Polynesia, Hong Kong, Macau, Curaçao and Sint Maarten and New Caledonia. is the aforementioned form of ice hazardous? Yes. It can cause damage to utomobiles, aircraft, skylights, glass-roofed structures, livestock, and most commonly, crops, roofs, when exceed in diameter, planes can be seriously damaged within seconds, hailstones accumulating on the ground can also be hazardous to landing aircraft,Wheat, corn, soybeans, and tobacco are the most sensitive crops to hail damage. Hail is one of Canada's most expensive hazards. is there any day for meteorology that the organization follows? The World Meteorological Day is held annually on 23 March. what are the themes of this day? UNANSWERABLE what is the location of the mentioned second member state? It is an overseas collectivity of the French Republic and its sole overseas country. It is composed of 118 geographically dispersed islands and atolls stretching over an expanse of more than in the South Pacific Ocean. Its total land area is . how is its relationship with france? It is not in a free association with France,
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Macau [SEP] Introduction
Macau, also spelled Macao (; , ; official "Macau"), and officially the Macao Special Administrative Region of the People's Republic of China, is a city in the western Pearl River Delta by the South China Sea. It is a special administrative region of China and maintains separate governing and economic systems from those of mainland China. With a population of 649,335 and an area of , it is the most densely populated region in the world. Macau is a former colony of the Portuguese Empire, after Ming China leased the territory as a trading post in 1557. Portugal paid an annual rent and administered the territory under Chinese sovereignty until 1887 when it gained perpetual colonial rights in the Sino-Portuguese Treaty of Peking.