Polar vortex status

The SPV is currently weaker 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): 4.8 m/s Weakest zonal wind at 10 hPa 60N in ERA5 record for todays date is: 5.8 m/s 2000 Strongest zonal wind at 10 hPa 60N in ERA5 record for todays date is: 46.0 m/s 2011