True, but sods law says [and in my experience] that it WILL happen when you don't want it to
Just like air traffic telling you to turn left 090, hold SW of BBB vor 270R 8DME descend an maintain 5000, sqwark ABCD, contact XYZ on aaa.bbb just as you enter a particularly turbulent bit of cloud, after it has been clear for ages [I'm sure they do it on purpose
]
CU
EA