A snow fence is a structure used to force drifing of snow to occur in a predictable place, rather than in a more natural method. A typical style of snow fence seen in North America today is often one of 2 varieties: orange plastic attached to stakes at regular intervals or a cedar or other lightweight woodstrip and wire fence, also attached to metal stakes. The drifting of snow behind a fence follows the laws of physics as the pressure on the downwind side is less than that on the windward side, allowing light materials such as snow or leaves to settle there. ---- '''For more information on the science of drifting snow, see:''' http://www.wrds.uwyo.edu/wrds/rmfres/fengrows.html http://www.agr.gc.ca/pfra/water/snowfence_e.htm This article is a stub.