Lagos State Will Experience 240 Days Of Rainfall Beginning From March 19th – Commissioner
The Commissioner for the Environment and Water Resources, Mr Tunji Bello has said that Lagos State will experience a rainy season of about 240 to 270 days.
Bello, who disclosed this at the 2020 Seasonal Rainfall Predictions on Tuesday, said the 2020 rainfall is predicted to begin in March 19 and end Nov. 22.
According to him, the Nigerian Meteorological Agency (NIMET) predicted thag there would be days with extremely high rainfall which might result in sea level rise and flooding.
“Seasonal Rainfall Prediction (SRP) is to allay fears of residents and prepare them ahead for the likely consequences of the rain,”he said.
“Lagos Island is expected to have a rainfall onset date of March 19, with an error margin of three days, while its cessation date is expected to be November 26.
“It is also expected that Lagos Island will have about 252 days of rainfall and about 1,714 millimeters of rainfall over the year.
“It can be deduced that Lagos State shall experience a rainy season of 240-270 days, while the maximum annual rainfall is predicted to be 1,750 millimeters.
“Year 2020 will likely experience days with extremely high rainfall amount which may result in flooding.
“Another contributory factor to possible flooding in the state is sea level rise.
“This poses the biggest risk to coastal areas and the state’s drainage infrastructure, as anytime there is high tidal movement, it may “lock up” the discharged points of drainage channels and until it recedes, there will be no discharge.
“Such occurrences also caused back flows, resulting to flooding but as soon as the Lagoon recedes, all generated storm water run-off will immediately discharge and our roads will be free.”
Mr Bello explained that residents staying coastal areas will witness flash-floods which he describes as ‘natural’, but it will disappear in a matter of time if the drains are clean.
He assured Lagos residents that the state would continue to reap the gains of planning, as the flood control measures in the state had been stepped up to contain any unforeseen weather condition.
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