What causes a sandstorm?


A sandstorm is caused by strong winds that blow over loose soil or sand. In desert areas at certain times of the year, sandstorms become more recurrent due to the strong heating of the air over the desert causing the lower atmosphere to become unstable.
2 Additional Answers
Sandstorms are known to be caused by convectional currents that generate strong winds that carry loose soil particles with them. These currents are generated when the ground surface is heated by energy from the sun. Sand storms are also known as dust storms, and are very common in deserts where there is a lot of loose soil particles.
A sandstorm is caused by a strong wind blowing over an area that has lots of sand. The wind will pick up more and more sand as it continues to blow. You can find more information here: http://www.weatherquestions.com/What_causes_sandstorms.htm
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