I know we all are aware what large thunderstorms and flash floods can do. Here in Indian Wells, CA. where the ANNUAL rain is about 3", we got 3" in about an hour!
My home is the highest elevation in the community, and just got a bit of wet carpet when the pool overflowed. Others were not so fortunate! The city, home owners Assoc. and county have asked for a copy of my video for the engineers to try and come up with some fixes. I filmed this the day of the flood-
The air shots were done with a Phantom2 QuadCopter, Zenmuse 3H-3D Gimbal, GoPro Hero3+ Black camera, FPV video system.
https://www.youtube.com/watch?v=piuZEAwcxys