steering level

A hypothetical level, in the atmosphere, where the velocity of the basic flow bears a direct relationship to the velocity of movement of an atmospheric disturbance embedded in the flow.

Related terms:

• steering
• thermal steering
• stratospheric steering
• critical level of escape
• level of nondivergence
• warm-tongue steering
• isopycnic level
• upper-level cyclone
• sea-level pressure
• icing level