MARCI weather report: April 20-26, 2015

Over the past week, increased dust- lifting activity occurred in the northern hemisphere of Mars. Local scale dust storms were observed over Elysium, Utopia, Amazonis, northern Alba Patera, and the Phlegra Montes in the beginning of the week. This activity preceded a large regional dust storm that traveled along the Acidalia storm-track into eastern Valles Marineris and Margaritifer Terra. By the end of the week, dust was observed extending over southern Tempe and across northwestern Arabia. As storms… [More at link, including video]