I'm not aware of any reason deer would move less with an east wind. Or any other particular direction, for that matter.
I agree. I can't think of why a deer would have any concept of a cardinal direction.
What I've observed, is yes deer don't seem to like a moderate or heavier wind at their back when
they are moving. ("Moving" meaning a moderate to slow walk while also eating or going to water. ) My theory is that it interferes both with their hearing AND sense of smell, which are the two primary ways they detect danger, plus when they move I think they are more cautious than when standing still or lying down as the advantage goes to a predator lying in ambush.
I've noticed that in a steady wind, say above 10 mph, plus with a cold air temp, they tend to move to sheltered areas, and then stop, or if they are in the sheltered area when the wind picks up, they don't move much if at all. I think this is simply from comfort. It's colder if they moved, and if they are inside some thick brush (and can feed right there) it's warmer and they have food so no reason to leave. Plus I think they instinctively know that a predator has to come to them, so they have more of an advantage in detecting the danger that way.
I see the most movement in deer when it's cold, and not much wind, or better, when there is a slight drizzle of rain or it rained earlier in the day and they got soaked. The falling rain tends to knock down scent, but the deer get wet, and need calories to keep up the body heat, so they have to move. In cold conditions but clear, again they need the calories, so have to move.
Now a PhD studying cervids probably would tell me my sample is too small so I'm full of error. I've seen on blustery days deer so set on staying put that they didn't move until somebody actually stepped on them...., some biologists would say the deer should be moving in those conditions, and then the deer bolted at warp speed. Not what you want when taking a shot.
:idunno:
LD