allthough problems with cold fuel during flight may be a concern as well I`m trying to talk here about ground operations and this was the reason for my stress:
between 99 and 01 was flying on F100 between HEL and CDG and many times we were the first who requested deicing in CDG, because the cold wing had built up clear ice on top during approach through rain.
sometimes airport deicing staff just refused to show up and we had to heat up the wings with warm air from airconditioning unit (a procedure approved by Fokker).
that`s why I still would like to upgrade the fuel system of e.g. F100...