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backing wind



Sandbox (plural Bbmccal/Sandboxs)

  1. (meteorology,weather) A wind which shifts in a counterclockwise direction with time at a given location (e.g., from southerly to easterly), or changes direction in a counterclockwise sense with height (e.g., westerly at the surface but becoming more southerly aloft). In storm spotting, a backing wind usually refers to the turning of a south or southwest surface wind with time to a more easterly or southeasterly direction. Backing of the surface wind can increase the potential for tornado development by increasing the directional shear at low levels.


veering wind