hwind7 hwind1 hwind2 hwind3 hwind4 hwind5 hwind6 hwind7 PPI (Plan Position Indicator) A representation of the cloud echoes in a horizontal plane. MAX (Maximum) Shows a 2 dimensional (2D) flow for the horizontal and vertical profile of the clouds. EHT (Echo Height Top) Gives a representation of the height to which the top of the clouds extend. SRI (Surface Rainfall Intensity) An estimate of rainfall intensity associated with different echoes. VVP (Velocity Volume Processing) Provides an estimate of the wind profile up to a certain height.