If I had to guess, I'd suspect you're
asking about the low-level cloud that is skinny through the right two-thirds
of the photo, expanding into a larger formation to the left one-third.

Yep, that's the one.

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.