Over the past few days we have seen several jumps on forecast guidance(trends as some would call them, although the only real trend I think we've seen has been west with the Polar Vortex) which have significantly impacted the direction of the forecast this weekend. This post is actually going to draw on the features which were originally on the drawing board five days ago, which actually is a testament to the fact that aside from the PV, the models have been pretty good with the general idea of