Polar Vortex In January 2025. Pieces of the polar vortex are projected to swirl southward out of northern canada and into parts of the u.s. The beginning of 2025 will be marked by the year’s first polar vortex, bringing snow, storms, and frigid temperatures that will impact the majority of the country and millions of americans.
A massive polar vortex is heading toward the u.s., bringing extreme cold that could make january 2025 the coldest month in over a decade. • the stratospheric polar vortex occurs at around 15 km to 50 km high.