NOAA says that nearly a foot of rain in one day in Louisiana confirms their models showing man-made climate change has increased the odds of floods.
NOAA: Climate Change increased odds for Louisiana downpour | FOX 61
On April 15, 1927 New Orleans got 15 inches of rain in 18 hours during the largest flood in US history.
American Experience | New Orleans | PBS
New Orleans was founded in 1717, against the objections of the chief engineer who said it flooded all the time.
NOVA | Storm That Drowned a City | A 300-Year Struggle | PBS
There has been no increase in heavy rain.
The NOAA study has no scientific basis, and ignores all available actual data. Software models can be written to produce any result the author wants to produce. They are not evidence of anything other than deep corruption at NOAA.