1. Watch for oncoming sandstorms by checking the horizon for what appears to be a moving along the surface of the terrain.
vapor trail
bright light
rainbow
dark cloud

vapor trail

Explanation:

If we look at a photo showing a sandstorm, we can see that this storm resembles a darkened steam trail moving across the surface. A photo with a sandstorm is in the attached image.

Sandstorms are common in places with arid and semi-arid climate, especially during summer and spring. This storm is caused by strong winds that carry small particles of sand and small stones and pieces of rock into the atmosphere. This causes several respiratory problems, in addition to harming common daily activities.