vvp7 vvp1 vvp2 vvp3 vvp4 vvp5 vvp6 vvp7 EHT (Echo Height Top) Gives a representation of the height to which the top of the clouds extend. HWind (Horizontal Wind) Shows wind flow at a specific altitude. PPI (Plan Position Indicator) A representation of the cloud echoes in a horizontal plane. SRI (Surface Rainfall Intensity) An estimate of rainfall intensity associated with different echoes. > MAX (Maximum) Shows a 2 dimensional (2D) flow for the horizontal and vertical profile of the clouds.