Not in the story of Noah.
By your definition, anything that can't be explained in Scripture is a "miracle." That means that God regularly operated outside the processes he created, in the Old Testament.
An allegory is a story that explains something else. Scriptural allegories talk about God operating in the history of the Jewish people. It is the TRUTH that is important, that God was present in their history, not the accuracy of the stories explaining that truth.
If you want to call the burning bush a "miracle," go right ahead. It's the lazy way to deal with the special relationship the Jewish people had with God at the time of Moses.
So miracles didn't happen in the Old Testament? Is that your odd claim?