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- W2891130181 abstract "This work studied the climatology of Mesoscale Convective Systems (MCSs) over West Africa. Infrared brightness temperature (BT) data was collected from Tropical Rainfall Measuring Mission (TRMM) website over the rainy season period for ten years (2006 - 2015) from 1 st of June to 30 th of September. The study area covers West Africa from 5oS to 25oN and 20oE to 20oW, it was divided to 5 o X 5 o boxes. The T-R criteria used to detect the minimum size of MCSs was a diameter of 200 km or more and a BT of 233 K (-40 oC) or less. All the MCSs were tracked for the months of June, July, August and September and compared the wettest (2014) and the driest (2009) years as observed from the ten years annual rainfall data collected from the archives of the Nigerian Meteorological Agency (NIMET). The results indicated that for both the driest and wettest years, latitudinal row 5oN - 10oN is the most active zone favorable for the initiation, propagation and decay of MCSs over West Africa with 45% of MCSs found there in the month of June and row 10oN - 15oN as the next favorable zone (29-32% of MCSs). In the month of July, the active zone shifted to 10oN - 15oN while the next favorable zone also shifted to 5oN - 10oN, which was maintained and became more favorable through August and September. There were almost double the number of MCSs occurrence in the wettest year compared to driest year. During wettest year, MCSs were found out to be slower than their driest year counterpart. The results also gave a better insight of the behavioral patterns of West African MCSs, hence improving general forecasting method and reliability. Keywords : active zone, initiation, propagation, DETRAWACS, tracking." @default.
- W2891130181 created "2018-09-27" @default.
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- W2891130181 date "2018-01-01" @default.
- W2891130181 modified "2023-09-24" @default.
- W2891130181 title "Climatology of Satellite-Derived Mesoscale Convective Systems over West Africa" @default.
- W2891130181 hasPublicationYear "2018" @default.
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