Next Polar Vortex 2025. As the polar vortex sweeps across the u.s., electricity demand is expected to surge by 20%. The second artic outbreak, or polar vortex, is forecast to arrive between january 7 and 13, bring the coldest air of the season to date.
A strong/stable polar vortex usually means strong polar circulation and jet stream. A weaker polar vortex usually means a weaker jet stream, which.
