This is the NAEFS which is the North American ensemble forecast system. This is a loop of 5 day chunks over the next 14 days. I have never seen this product forecast even close to this level of cold it’s forecasting. #natgas #oott #PolarVortex pic.twitter.com/75mfkdUqjy

— BAM Weather (BAMWX) (@bamwxcom) February 5, 2021