Polar Vortex 2025 Ohio Path. A weaker polar vortex usually means a weaker jet stream, which. A polar vortex could bring cold winds to much of the u.s.

— the plunging polar vortex brought subfreezing temperatures tuesday to some of the southernmost points of the u.s., threatening to dump snow on parts of. As the new year approaches—but what exactly is a polar vortex, and how could it affect the weather in 2025?.