Polar vortex status

The SPV is currently marginally stronger than ERA5 average
and is forecasted to remain stronger than average (according to GEFS-mean)
26 of 31 members have stronger vortex than average at the last forecast step (2024-07-09 00:00:00)

The zonal mean zonal wind at 10 hPa 60N is today (GFS analysis): -11.5 m/s
Weakest zonal wind at 10 hPa 60N in ERA5 record for todays date is: -15.0 m/s 1997
Strongest zonal wind at 10 hPa 60N in ERA5 record for todays date is: -10.0 m/s 1981


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