####------------------------------------ Polar vortex status ------------------------------------###

The strat. vortex is currently weaker than ERA interim average 
but is forecasted to become stronger than average (according to GEFS-mean)
29 of 31 members have stronger vortex than average at the 
last forecast step (2020-11-06 00:00:00)

The zonal mean zonal wind at 10 hPa 60N is today (GFS analysis): 17.0 m/s 
Weakest zonal wind at 10 hPa 60N in ERA interim record for todays date is: 8.3 m/s 2006 
Strongest zonal wind at 10 hPa 60N in ERA interim record for todays date is: 28.2 m/s 1998