Alma Lyndel

Polar Vortex Convention 2025 Dates. 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. We expect all attendees to treat each other with common.

Multiple rounds of frigid, arctic air could sweep across the eastern half of u.s. But when the vortex weakens or gets a little wobbly, all that bitter cold escapes and slides south, hitting places like the us with extreme winter weather.