Tornadoes mostly occurred after transition of first European August windstorm - ex-Kyle or Ellen, above northern half of Europe between Sunday - Tuesday, 23.-25. August 2020.
Good conditions for creation of tornadoes of waterspouts were in cold air above warm seas and land during last 3 days.
Tornadoes were reported from Sunday in Poland, Finland, Lithuania, Latvia and Germany. They have mostly narrow funnels, not such as near typical southern outbreaks with wider base.
Over Baltic a North sea region has flown very cold Arctic air during last days, on the back of windstorm. Temperatures in Sweden in Tuesday morning dropped up to -3,9°C in lower areas
Latnivaara, 453 MASL).
After next windstorm, Francis, probably won´t be so many tornado events, because area is already cold now and gradient between lower and upper air levels won´t be so large. But, over warm seas, next waterspout outbreak is soon possible.