I can't tell if the curve in the cloud is a change in elevation,
or is a lateral curve.

It's a lateral curve, with no change in elevation. The cloud smoothly
follows the valley beneath and to the right.

Jose
--
"Never trust anything that can think for itself, if you can't see where
it keeps its brain." (chapter 10 of book 3 - Harry Potter).
for Email, make the obvious change in the address.