Record-Early Polar Vortex Split Could Begin This Week as a Near-Record El Niño Pulls Winter the Other Way
Nature World News | 03.11.2026 17:43
Forecast models show the winds circling high above the North Pole slowing toward a full reversal in the first days of November, a development that would mark the earliest major sudden stratospheric warming in records dating to the late 1950s. As of early this week, the reversal was still a forecast rather than an observed event.