Robert Moore wrote:
Hiro wrote

I looked through FAA's PHAK, AIM, and AC00-45F, but none of
them indicated anything about the heading.

And..of course, (pun intended) wind does not have "heading",
just a "direction from". Aircraft and ships have heading.

Bob Moore
You know, that's your point of view. The wind sees things very
differently, I can assure you.