Indeed, the weakest of them may vanish completely, taking part of the previous day's memory with them.

ECONOMIST: Memory formation

As soon as he was in, the car pulled away, heading out of the village and west, toward the lower woods, where the snow would be thick all night, thick and heavy and, even on the road that ran up to Kinaldy and Lathockar, completely unmarked, except for a line of tire tracks that would soon vanish into whiteness.

NEWYORKER: The Bell Ringer