Disillusioned JW:
Wouldn't what you said make the flood stories inconsistent with (not compatible with) the facts pertaining to evolution
Yes, it was an elaboration, not a disagreement.
There is strong evidence that a local flood caused by a rise of the Black Sea was the basis for the flood story which from which the flood stories of Genesis derived from.
The fact that local floods occur in various places or that people make up stories about them is entirely mundane. The Genesis flood myth was derived from a Babylonian myth which was itself derived from an earlier Sumerian myth, most likely based on a local flood in Mesopotamia. It is unlikely the original core is from a flood from the Black Sea, but possible and entirely unremarkable that details of a later flood from that area were incorporated into the later story.