A haboob is a strong wind and sand storm. Although haboobs are most common in Sudan, where about 24 occur each year, they can arise in many arid environments and are not uncommon in the American Southwest. They are often preceded by thunderstorms. Once a thunderstorm begins releasing precipitation, its winds change direction. When the downdraft reaches the ground, it stirs up loose sand, sending a wall of sand through the air at high speeds. “Haboob” comes from an Arabic word meaning what? Discuss