GFS predicting an anomalous early & possibly significant disruption of the #PolarVortex (PV) that will likely have important impacts on N Hemispheric weather heading into November. Lots to discuss in tomorrow's blog. "If there's something strange with the PV, who you gonna call?" pic.twitter.com/3Nkt6pWth4

— Judah Cohen (@judah47) October 10, 2021