Job at EGNT..... and you say: "the only specific info on the JD regarding experience relates to meteorology and I can swat up (still have the manuals from when I was PPL training".
I'd bet that what they are looking for is someone to do met observations and reading a PPL met book won't help terribly much. However, do read through it so that you can have a stab at any questions they may ask. If the interviewer asked you to look out the window and say what the clouds were and their likely height, could you do it? If you can get a copy of the Met Observers Handbook then that would be much more useful and you would have to do a training course before becoming a qualified observer.