Aaron Dooley
EF0
It was both days actually, but Sun into Mon shows the initiation from the lifting warm front. See attached.


I do see one notable difference...It appears there is lack of forcing behind the dryline, not compact moisture gradients, etc so we are probably lacking a trigger in addition to the cap. The winds to the west don't appear to provide any forcing and in fact later that night it looks like the warm front retreats the dryline and there is initiation from this. That could be Sunday going into Monday but I think it is in fact Saturday night going into Sunday I saw this. I'll post shortly with attachments.