Polar Vortex January 2025 Usa. Winters with at least one polar vortex disruption/sudden stratospheric warming (ssw) are marked with a black outline (and years with two have two circles). — the plunging polar vortex brought subfreezing temperatures tuesday to some of the southernmost points of the u.s., threatening to dump snow on parts of.
For the gefsv12 forecast issued on 18 december 2024, the winds at 60 degrees north (the mean location of the polar vortex) are forecast to remain stronger than normal for at. Based on the recent forecast models, the full breakdown of the polar vortex into a major sudden stratospheric warming is expected to be brief.