columns overleaf for drawing the clouds below, at your level, and above, which we co-pilots completed. This was then passed to the Sig for bashing out on HF, or VHF if in range. At the end of the trip the completed form would be handed in to Met in a debrief. Thus it was that my masterpiece (there were those who used different coloured pencils for defining better the layered clouds, vertical extent, precipitation, etc but I felt that was all a bit gauche myself) was handed over to the Gan Forecaster.
Could you please expand on that procedure?
Aircrew drawing pictures of clouds? What on earth for?