A high Cape index on a given area not always correspond with the Skew-T diagram on the same location. Shortly, the diagram doesn't show any CAPE's envelop. Have I misunderstood something ?
The sounding forecast provided by Windy is not a skew-T diagram.
The temp. axis is perpendicular to pressure levels.
On skew-T, the temperature lines are skewed at 45°.
if you want to "draw" the CAPE envelop ...
we have good news!
John (@johnckealy ) wrote a new plugin called skewt
that gives outputs like:
then you can analyze skew-T by yourself