1 Impressive Dagger Moth, a moth of the Noctuidae family; see Acronicta impressa.  Impressive Syndrome, a genetic disorder that occurs in horses and humans; see Hyperkalemic periodic paralysis.
The ITCZ is a zone of convergence at the thermal equator, where the trade winds meet. It is an area of high pressure. The ITCZ is a zone of convergence at the thermal equator, where the trade winds meet. The ITCZ is a zone of convergence at the equator, where the trade winds meet. It is stationary throughout the year.
VII. 1  Climate zones and rainfall - summary. 2  The equatorial region (ITCZ): Rising branch of Hadley cell; upward motion, adiabatic cooling, saturation, high clouds, convection, heavy rain. Evaporation is less high than in the subtropics because the relative humidity in the air is high.