Originally Posted by
meleagertoo
Could you please expand on that procedure?
Aircrew drawing pictures of clouds? What on earth for?
I was never involved with such activities, but I will hazard a guess. Crews collected such information so that met organisations could do some validation of their
forecasts with what the flight crews
actually encountered on their route. Bear in mind, this was
well before the internet age, or even the common use of satellites.