February looks Chillier than it did a couple of weeks ago

In mid-January, signs seemed to be pointing to a flatly milder than average February across the northern U.S. A still very strong El Nino looked to become the dominant player again, and colder periods tend to be less common in the north during strong el ninos. Now (the end of January), I am seeing signs more colder weather due to a ridge of high pressure in the west expected to develop, along with a trough in the east. That kind of pattern favors arctic air being redirected on a NW flow back into the upper midwest, the Great Lakes, and…