Well, no. Not really.
Big storms are a fact of life on this planet. That isn't new. There is a one percent probability that a 100-year storm will materialize every year, a .2 percent probability that a 500-year storm, like Harvey, will materialize every year.
What is changing is the frequency and intensity of these storms. A small increase in both can have dramatic consequences for the planet.
More here in this great piece by Katharine Mach, Miyuki Hino in the NY Times.