i factor in visible moisture, cloud bases, cloud types.

Its especially important in the mountainous environment where I instruct because the MEA (or sometimes even the MOCA) is at 10k feet which generally means there really is no climbing and there is no going down unless its for an approach or youve found VFR.

That and forecast products can and have been wrong, very wrong and I don't want to get up there and discover that first hand .