Polar vortex status

The SPV is currently weaker than all other years in the ERA5 record for todays date!!! . The zonal mean zonal wind at 10 hPa 60N is today (GFS analysis): -10.2 m/s Weakest zonal wind at 10 hPa 60N in ERA5 record for todays date is: -10.2 m/s 2019 Strongest zonal wind at 10 hPa 60N in ERA5 record for todays date is: -6.6 m/s 1992