Polar Vortex February 2025 Map. Recent signals indicate the possibility of a block at high latitudes, with a strengthening of geopotential height anomalies over greenland and northern europe. In its january to march 2025 outlook, the nws said polar vortex winds were expected to remain strong through january, meaning there was a low to medium (20 to 50 percent) chance of a modest cold.
How the ‘polar vortex’ could impact january’s forecast. The constructed analog forecast indicates low risk of a classic polar vortex during.