Portuguese language in Africa as a second language, in countries like Angola and Mozambique, where Portuguese is an official language, but also in countries like South Africa and Senegal, thanks to migrants coming from Portuguese speaking countries. Some statistics claim that there are over 30 million Portuguese speakers in the continent. Like French and English, Portuguese has become a post-colonial language in Africa and one of the working languages of the African Union (AU) and the Southern African Development Community (SADC). Portuguese co-exists in Guinea-Bissau, Cape Verde, and São Tomé and Principe with Portuguese-based creoles (Upper Guinea and Gulf of Guinea Creoles), and in
2009 West Africa floods Ouagadougou where rainfall in one day was equal to 25% of normal annual rainfall for the whole country. Countries in West Africa and the southern Sahel get most of their annual rainfall during the boreal summer months from June to September. This rainy season, also known as the West African monsoon, is associated with a seasonal reversal of prevailing winds in the lower atmosphere, where moist air is blown in from the Atlantic Ocean and released over the continent. The exceptionally heavy rainfall experienced in West Africa during the 2009 monsoon season is associated with the periodic warming of the