Polar vortex status
The SPV is currently stronger than all other years in the ERA5 record for todays date!!! The SSW probability in GEFS is: 0%. The zonal mean zonal wind at 10 hPa 60N is today (GFS analysis): 6.1 m/s Weakest zonal wind at 10 hPa 60N in ERA5 record for todays date is: 1.5 m/s 2025 Strongest zonal wind at 10 hPa 60N in ERA5 record for todays date is: 5.6 m/s 2000


