POLAR VORTEX VS. EL NIÑO: WHY POLAR VORTEX DISRUPTION MAY NOT LEAD TO COLDER TEMPS: The Polar Vortex has been disrupted at the earliest point in a calendar year on record. However, temperatures will remain warmer than average across the Lower 48 over the next few days thanks to warm Pacific air being ushered in by El Niño. Watch FOX Weather for more details on what this could mean heading into December: #polarvortex #arctic #elnino #winter #fall #climate