To identify the physicochemical and atmospheric conditions of a dust storm at the Dezful station (As Dezful Regional Representative). at first the frequency of the dust storm phenomena was investigated at the Dezful station in Twenty years (1994 -2013). During three events on June 24. July 21. https://www.roneverhart.com/Madrid-The-Leadfoot-Zak-Maytum-Pro-Model-32-Freeride-Deck-Performance-Series/