The Director-General, Nigerian Meteorological Agency (NiMet), Prof. Sani Mashi says the mixture of harmattan and heat conditions presently being experienced in some parts of Nigeria is caused by oscillation of Inter Tropical Divide (ITD).
Mashi, in an interview with newsmen in Abuja on Sunday, explained that ITD is the point where the South-westerly air mass and north-easterly air mass meet.
He further explained that the climate of Nigeria was being controlled by those two major air masses that were moving along opposite directions.
According to him, while the north-easterly travels from Chad, through the Sahara desert into Nigeria through the north eastern direction, south-westerly comes from the ocean through the coastal side.
“Wherever they meet, that point is a divide that is known as Inter Tropical…
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