Polar Vortex 2024 Louisiana. Judah cohen from atmospheric and environmental research (aer) embarked on an experimental process of regular research, review, and analysis of the arctic oscillation (ao) and polar vortex (pv). The polar vortex arrives monday, sending temps plummeting and bringing rain (or sleet) and gusty, cold wind.

New orleans this week is slated to have its coldest day of winter so far, thanks to an arctic blast that’s moving across the country. Several weather graphics on social media show a very strong cold front, or polar vortex, coming from canada and pushing further southward in the weeks ahead.