'overwhelming memory' is a correct and usable phrase in written English.
You can use it to describe a particularly intense memory that someone has. For example, "Her overwhelming memory of the death of her father haunted her for the rest of her life."
Mr Norman told the hearing that his overwhelming memory of the ordeal was the constant, relentless wind.
That was the overwhelming memory of reading Moncrieff and, later, the re-issue of the Kilmartin-Enright version.
The underground man, one of the most iconic figures of modern literature, is burdened by one overwhelming memory.
For those of us on the staff, though, I think our overwhelming memory will be of how much fun we've had.
I was a middle child and, I'm sure, prone to inexplicable shows of emotion, but my overwhelming memory is that if you chose to use those words, the consequences were not things you would want to live with".
I had an uncle and aunt who were teachers, but neither my mum nor dad went to university and my overwhelming memory of school is that the teachers always seemed to prefer someone else who was a bit cleverer.
She played it beautifully, but it must have brought back overwhelming memories for she stopped in the middle and said it was cheap music.
At that point he was just sixteen, and felt totally inhabited by overwhelming memories, yet at the same time unable to summon anything like a complete or precise account of any part of his lost boyhood or his odyssey through hell.
After Morty accidently downloads all knowledge from the eyes of the Truth Tortoise, Rick offers to wipe the overwhelming memories from his mind.
His symbol of overwhelming collective memories glittered in the sunlight.
They're not only talking about it but they can take often overwhelming, traumatizing memories and unpack them.
