Notice that the trailing piece of energy is less far behind. May mean that the lull we saw in past guidance will be less represented here due to earlier interaction?
12z NAM may be slightly less amped. S/W slightly weaker and downstream ridge slightly weaker. May turn out to be a good thing for sensible weather south of Concord, NH
Who cares, it's an article and its title. Perhaps articles should include footnotes of definitions for every single word used too.
"He said blue, but it's actually aquamarine". I don't understand the significance of the complaint
You seem intentionally obtuse...
The domain of the extratropical includes discussions of the polar vortex, since the polar vortex exists outside of the tropics.