A property of a moving fluid which represents the potential for helical flow (i.e. flow which follows the pattern of a corkscrew) to evolve. Helicity is proportional to the strength of the flow, the amount of vertical wind shear, and the amount of turning in the flow (i.e. vorticity).
Tweet Vote on HN Some severe storms hit St Clair during the afternoon with hail, very heavy rain and some […]
Tweet Vote on HN Insane Supercell Structure Dumas, Texas May 18 2010 Impressive Supercell in the Texas Panhandle near Dumas […]