What weather phenomenon is a sandstorm?

Sand-duststorm is the collective name for sandstorm and duststorm, and is a symbol of desertification.

It refers to a disastrous weather phenomenon in which strong winds stir up a large amount of sand and dust from the ground, causing the horizontal visibility to be less than 1 km. It is sudden and short-duration and has low probability and high harm. A sandstorm refers to a sandstorm caused by strong winds blowing large amounts of sand into the near-surface layer; a dust storm is a storm caused by strong winds carrying large amounts of dust and other fine particles into high altitudes.

It refers to a disastrous weather phenomenon in which strong winds stir up a large amount of sand and dust from the ground, causing the horizontal visibility to be less than 1 km. It is sudden and short-duration and has low probability and high harm.