I agree - EURO is on its own with the D6/D7 thing .. a bias we've seen time and time again for sure
I'm more interested with what happens next .. solid signal for a coastal ~D9/10
^ got me looking at some of the first / last dates on the BOX climate page .. how about this for latest 33 on record:
Must have been quite the airmass to radiate like that 4 days before the solstice