There's been lots of speculation about and hoping for a SE snowstorm around Christmas. Certainly the threat has shown up and vanished on various model iterations. Today's 12Z GFS shows the possibility of such a storm. Since we're inside the 10 day window, we might as well discuss it, just for fun if for no other reason. Look at the 192 500 mb map: You'll notice a southern stream shortwave that has traversed the country as well as a northern stream wave dropping south. There's a block aro