Polar Vortex 2024 Usa Today
Polar Vortex 2024 Usa Today. The swirling ring of cold air is now spinning in. Earlier this month, a sudden atmospheric warming event caused the arctic's polar vortex to reverse its trajectory.
The jet stream usually pens the polar vortex in and keeps it there, but at times, some of the vortex can break off or move south, bringing extremely cold weather down into. A weaker polar vortex usually means a weaker jet stream, which increases the chance.