Over the Gulf of Guinea, the second rainy season, which runs from September to November, is predicted to be below average to average. Rainfall is predicted to be average in Senegal, The Gambia, Mauritania, and western Mali, and above average in southern and eastern Mali, Niger, Burkina Faso, central and northern Nigeria, Chad, northern Cameroon, and the Central African Republic. Until the end of October, there is a strong probability of localized flooding along the Senegal River in Senegal, the upstream Niger River in Central Mali and Burkina Faso, the major rivers in Nigeria, and the Logone River in Chad. Last but not least, Mauritania may still see the emergence of new adult locust populations. They might appear in Niger, Mali, and Chad. In Mauritania, Mali, Niger, and Chad, summer breeding will rise.