FLHurricane.com: dust, dust, and more dust

please be patient with me everybody for all my questions.

during the past several years of my increasing attention to the germinal development of tropical systems, included in many of the nhc tropical weather discussions, mention is made of surges of african dust moving westerly, along with tropical waves...sometimes in front of them, sometimes behind them, sometimes in immediate proximity with them.

three questions;

is there a direct climalogical association with the generation of these surges of dust and with tropical waves?

to what degree does the proximity of these dust surges have on the development of thses waves into more organized and powerful systems? in front of, in back of, on top of....

and, does there seem to be more dust in the air this year as compared to recent years?

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