Upshear development of a thunderstorm. Warm rain development in a continental thunderstorm.
Hail processes within a supercell.
The colors indicate the Z values, with the color tables at the bottom of the figures providing reference. This series of images illustrates the evolution of this storm. It originated as a weak cell, labelled C0. With time, new cells initiated. Cells on the upshear side are labelled with a U, while cells on the downshear side are labelled with a D, with numbers indicating successively identified cells.