Polar Vortex February 20 2025 Map. A polar vortex will bring brutally cold temperatures and an arctic blast to much of the u.s. For the gefsv12 forecast issued on 18 december 2024, the winds at 60 degrees north (the mean location of the polar vortex) are forecast to remain stronger than normal for at.

An area stretching from texas to tennessee is bracing for the expected arrival of freezing rain and snow, as some other parts of the country that already received an arctic blast. Forecasts indicate that the arctic polar vortex will deliver frigid winds across large portions of the u.s.