Polar Vortex February 202 2025 Weather Forecast

Polar Vortex February 202 2025 Weather Forecast. The weakest polar vortex years (dark green dots) occur in easterly qbo winters. However, a broad polar vortex pattern is forecast across southern canada during february.

Contrast between a strong stratospheric polar vortex, such as was seen in early january, compared to the forecast for a weak polar vortex and sudden stratospheric warming. It usually produces one later in winter, compared to an el niño.