There was some local fog in this part of western NY in April. I did not know how high the cloud was so I hoped sending my Phantom 3 up 250 feet was enough. It ran a Litchi waypoint path so it would go about a mile south and then turn and come back. Luckily I got the height just right and the bird was just above the edge of the cloud. At one point the props become obvious because I mistakenly put a speed increase at one of the Litchi waypoints. So it went from 15 to 28 mph rather suddenly. Another piece of serendipity is that the bird turned just before it looks like it will go into the cloud (around 1 minute in). I wonder what would have happened had it gone into the cloud.
Marko
Here's another link to the same file if the first doesn't connect. (This may be a slower connection.)
Above the Cloud