By the summer of 2019, swarms had reached over the Red Sea and the Gulf of Aden into Ethiopia and Somalia, where they continued breeding and started causing concerns. This might have been as far as the locusts got were it not for the fact that during October 2018, East Africa experienced unusually widespread and intense autumn rains, which were capped in December by a rare late season cyclone Pawan that made landfall in Somalia. These events triggered yet another reproductive spasm.[11][12] [13]