Polar vortex status

The SPV is currently stronger than ERA5 average but is forecasted to weaken compared to average (according to GEFS-mean) 0 of 31 members have stronger vortex than average at the last forecast step (2026-11-09T00:00:00) The SSW probability in GEFS is: 0%. The zonal mean zonal wind at 10 hPa 60N is today (GFS analysis): 23.0 m/s Weakest zonal wind at 10 hPa 60N in ERA5 record for todays date is: 9.1 m/s 2006 Strongest zonal wind at 10 hPa 60N in ERA5 record for todays date is: 27.6 m/s 1998