Total-totals Index can be found in the lower meteogram for Brussels (together with the Lifted Index). Color scale:<40 yellow, >40 orange.

Some critical values for Total-Totals Index, only to be used for coverage of thunderstorm if they occur, and to be used in combination with CAPE, LI and KO index:


44-45 = isolated thunderstorms
46-51 = scattered thunderstorm
52-55 = scattered to frequent thunderstorms 

Note: overestimation with cold upper air.