"Just because you are a student on a qualifying cross-country doesn't absolve you from responsibility nor should you consider yourself any less affected by the weather!!!"
SITW.. Of course I was in no way implying that I absolve myself of any responsibility - heaven forbid! I'm fully aware of my responsibilities with regard to flight planning and the supreme importance of the weather in this regard. I'm also aware that the information contained in F214, F215 etc. is inexact and that the actual conditions encountered in flight can vary greatly. However I do tend to favour exactness, even when the science itself is inexact and this is why I asked about the degree of accuracy advised when interpolating. You've answered my question comprehensively, for which I'm very grateful.
Last edited by vegancruiser; 17th Jun 2014 at 16:17.