A soldier walks through a sandstorm in Camp Bastion, Afghanistan. Sandstorms are regular occurrences at certain times of the year in the arid areas of Afghanistan.The strong heating of the air over the desert causes the lower atmosphere to become unstable. This instability mixes strong winds in the middle troposphere downward to the surface, producing stronger winds at the surface. *Organization: Army *Object Name: NavySandstorm 2 *Category: MOD *Supplemental Categories: Operations, Theatres, Afghanistan *Keywords: Afghanistan, Camp Bastion, British Army, Sandstorm, Sand, Desert , Storm, Yellow *Country: Afghanistan