Polar vortex status

The SPV is currently marginally weaker than ERA5 average
and is forecasted to become stronger than average (according to GEFS-mean)
28 of 31 members have stronger vortex than average at the last forecast step (2024-08-04 06:00:00)

The zonal mean zonal wind at 10 hPa 60N is today (GFS analysis): -11.1 m/s
Weakest zonal wind at 10 hPa 60N in ERA5 record for todays date is: -12.9 m/s 2007
Strongest zonal wind at 10 hPa 60N in ERA5 record for todays date is: -8.1 m/s 1981


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