Polar Vortex 2024 Map Usa. When the polar vortex is shifted or stretched out off the pole to lower latitudes, it can sometimes help reinforce wintry weather outbreaks. A wrinkle in the winter forecast may arrive as soon as early january.

Its position can determine what part of the u.s. A weaker polar vortex usually means a weaker jet stream, which increases the chance of a more dynamic.