Editorial: From warm blob to deep freeze? Chicago should brace for winter’s return

The leaves have changed seemingly overnight, and this morning we looked up in wonder at yellows, reds and oranges where we saw green just days ago.

The air is crisp and cool, a joy to breathe in.

We found ourselves rummaging through our winter bins for a warmer jacket and a scarf for the commute. In the next couple of weeks, we’ll all need to change out our summer clothes for our winter garb. Remember, just last week temperatures were still in the 60s and 70s.

And while we’ve all become accustomed to milder winters, meteorologists predict this one could be unforgiving thanks to — of all things — a “warm blob.”

That term sounds like science fiction, but it’s real. In this instance, it refers to a large pocket of unusually warm water in the North Pacific, which could trigger shifts in th