Or something. Science!
"There's really nothing abnormal about the air that's coming into the area," he said. "It's just been a very persistent pattern" of cold air.
Blair said it's an amplified pattern of the jet stream, with cold air filtering in behind a large trough of low pressure. Simplifying, he explained: "Troughs are typically associated with unstable or unsettled weather, and, at this time of the year, much colder air."
Frigid temperatures are expected to hold into Tuesday. If Chicago makes it to 60 hours below zero, it will be the longest stretch since 1983 — when it was below zero for 98 hours — and the third longest in 80 years.
Chicago Public Schools called off Monday's classes for its nearly 400,000 students, as did suburban districts. Earlier this month, when it was below zero for 36 straight hours, CPS closed for two days.
Funny enough, there is no real mention of climate change or global warming. If even NBC is giving up on trying to tie warming to freezing cold, maybe it's time to give us back our light bulbs and dump the reformulated gasoline and maybe... just maybe... start growing corn just for food.
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