The arctic ice extents are now fully reported for January 2026, showing refreezing rates fluctuating, likely due to a wavy polar vortex sending cold Arctic air to sub-arctic latitudes and replacing it with warmer southern air. From AER Polar Vortex blog: As seen in Figure iii (and also Figure 12) the PV has an elongated … Continue reading Arctic Ice Recovering January 2026 Despite Vortex