Snow lifted from the surface of the earth by the wind to a height of 6 feet or more above the ground and blown about in such quantities that the reported horizontal visibility is reduced to less than 7 miles.
Wind-driven snow that causes reduced visibility and sometimes significant drifting. Blowing snow may be snow that is falling or snow that was once loose on the ground and picked up by the wind.
snow lifted from the earth's surface by the wind to a height of more than two metres. Blowing snow is higher than drifting snow.