Polar Vortex 2024 Newsletter. Location of the polar vortex in march, 2024. A weaker polar vortex usually means a weaker jet stream, which increases the chance of a more dynamic (colder/snowy) winter pattern over the united states, canada, and/or europe.

The polar vortex above the arctic is a large ocean current that flows clockwise, with wind speeds of around 155 miles per hour. In particular, when the polar vortex (a band of strong eastward circumpolar flow at stratospheric levels) strongly weakens or breaks down, the north atlantic.