The SSW back in January has been trickling down into the troposphere for some time, but this next dip down comes with the lobe of the vortex displaced closer to North America. Subsequently, rather than Siberia, the coldest air will now displace over North America. #Energy #NatGas pic.twitter.com/qp71s37Nc5

— Bret Walts (@BretWaltsWx) February 2, 2021