text: Onye na-arụ ọrụ dịka onye nchịkọta otu Nigerian Hydrological Services Agency nke ngalaba Federal Ministry of Water Resources bụ Olayinka Ogunwale, kwuputara maka idemmiri a n'Ọka, ebe ha na-eme nzukọ ha na-eme kwa afọ, ebe a na-akọwa olileanya gbasara idemmiri a kpọrọ 'Annual Flood Outlook (AFO)' nke 2018.