Sand that is raised by the wind to less than 6 feet above the ground; visibility is not reduced below 7 statute miles at eye level although objects below this level may be veiled or hidden by the particles moving nearly horizontal to the ground:
LOW DRIFTING SAND
Meaning of LOW DRIFTING SAND in English
Weather and meteorology English vocabulary. Английский словарь погоды и метеорологии . 2012