GRB satellite trends.

The Sandwich display (Vis with transparent IR overlay) depicts a quick increase in convection and cooling cloud tops across southwestern GRB's area

This is along an advancing boundary associated with a shortwave trough noted in all 4 water vapor images approaching western WI.

The interpolated 8km GLM data depicts an increase in this activity well, and seems a little more intuitive than the grid box/flash display.

-64BoggsLites