Polar Vortex 2024 Michigan Map. Observed and forecasted (noaa gefsv12) wind speed in the polar vortex compared to the natural range of variability (faint shading). This is now the second disruption of the polar vortex in 2024.

The polar vortex’s next move. Observed and forecasted (noaa gefsv12) wind speed in the polar vortex compared to the natural range of variability (faint shading).