Originally Posted by mathman
Originally Posted by Ramblin_Razorback
Separate topic related to wind effects:
First time I ever shot at 600 yards was an eye opener, but I didn't realize at first what I was seeing. The vertical dispersion wasn't bad - about what one would extrapolate from groups at 100 and 200 yards. However, the horizontal dispersion was awful, and what I didn't realize immediately was that even the very light breeze had a tremendous effect at 600 yards (and from more experience I found wind effects are still very noticeable even at half that distance). Therefore, eliminating wind effects to the extent possible is absolutely critical to assessing a rifle's and load's capabilities.

I *think* for a constant cross breeze the deflection grows a bit more than quadratic with distance.
I'm going to disagree. I think it's exactly quadratic.

I belong on eroding granite, among the pines.