Will Polar Vortex Happen Again 2025. A new polar vortex is developing in the stratosphere over the north pole as nights get longer over the polar regions and temperatures drop. In january it was stretched polar vortex (pv) events quickly followed by a snap back to a strong pv and then the whole cycle repeating itself.
When (and where) the 2025 polar vortex is expected to arrive, well, that remains a bit up in the air as forecasters work to firm up a timeline for when impacted regions can expect to. In contrast, a weak/disrupted polar.