ND SD MN WI IA all pretty much the same RE: wind as far as I know.
"The yaw will cause turbulence to the side of the vehicle,
but not cause much impedance to the forward direction."
That's debatable. Turbulence pretty much wrecks aero.
P.S. Wind resource data:
http://www.ncdc.noaa.gov/oa/climate/...d/avgwind.html
and
My area: 10-13mph ave/yr
Yours: 5-8mph ave/yr
My first guess was high. Well, seems the weatherman is always talking about 15-30mph winds!
Yeah, you have sorta half of what I have. That thar is our difference in perception re: yaw.
Well... a lot of us live here!