VVP (Velocity Volume Processing) Provides an estimate of the wind profile up to a certain height HWind (Horizontal Wind) Shows wind flow at a specific altitude. PPI (Plan Position Indicator) Gives a representation of the cloud echoes in a horizontal plane. SRI (Surface Rainfall Intensity) An estimate of rain intensity associated with different echoes. ` MAX (Maximum Precipitation) Shows a 2-dimensional (2D) flow for the horizontal and vertical profile of the clouds.