Polar vortex status

The SPV is currently weaker than all other years in the ERA5 record (only 1979-2025 included) for todays date!!! . The zonal mean zonal wind at 10 hPa 60N is today (GFS analysis): -0.7 m/s Weakest zonal wind at 10 hPa 60N in ERA5 record for todays date is: 11.2 m/s 2009 Strongest zonal wind at 10 hPa 60N in ERA5 record for todays date is: 42.0 m/s 2023 . (Only 1979-2025 included in this ERA5-dataset)