The 12z GFS takes the tropospheric polar vortex (white fuzzball in left image) and drops it into the Midwest at the beginning of February. The result? An Arctic outbreak for the ages east of the Rockies. Unlike the Christmas outbreak, this has no ensemble support. It's trash. 🗑️ pic.twitter.com/ij6OZk5H1i

— Chris Martz (@ChrisMartzWX) January 21, 2023