Well, we have been patiently watching and waiting for a pattern change....Today's 18z GFS shows what might just be the first signs of that. Here is a 500mb depiction of what would be a colder pattern shaping up for the east. Notice the ridge trying to develop out west and the eastern trough. Also, notice the SE Canada vortex that is in an ideal spot to provide us with a colder pattern. Also the model is trying to raise heights over southern Greenland. It would be nice if this type of pattern wer