But they get the narrative correct anyway. From The New York Times:
Brace for the Polar Vortex; It May Be Visiting More Often
Find your long johns, break out the thick socks and raid the supermarket. After a month of relatively mild winter weather, the Midwest and the East Coast are bracing for what is becoming a seasonal rite of passage: the polar vortex.
The phrase has become synonymous with frigid temperatures that make snowstorms more likely. A blast of arctic air heralded the vortex’s arrival on Monday.
If it seems as if these polar freezes are happening more often, you’re right. “They are definitely becoming more common,” said Jennifer Francis, a senior scientist at the Woods Hole Research Center. “There have been a couple of studies that have documented that.”
The Polar Vortex is a purely natural phenomenon - it has happened before, it will happen again.
It is funny too as when you go to the link that Dr. Francisposted, it goes to a single paper that talks about the Polar Vortex but connects it to the variability of the El Niño–Southern Oscillation. No mention of global warming. The ENSO is also a natural phenomenon - it has happened before, it will happen again.
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