Winter Es?

As is my usual pattern, I am monitoring 10m FT8 RX this morning. So far 3 stations spotted in 3 countries, all European. I am wondering if this is winter Es (sporadic-E). It could be aircraft reflection. If it is Es, maybe there will be more southern Europeans later?

UPDATE 1458z:  Now 8 stations spotted in 7 countries so far on 10m FT8 RX today.

UPDATE 1510z: As 10m is just average today, I shall probably QSY to 160m FT8 RX shortly.