Time for another weenie handbook quote...Back to 1st edition, chaper 1, section 1 2nd paragraph. This is one of our first quotes..."When models are diverging at 5-7 days we say 'The energy in the PAC or NW Teritories is not being sampled properly due to sparse data'".
We also hug the piss out of the snowiest and most threatening model. Go GFS LFG!