'CATASTROPHIC': Houston is Flooding and These Videos Show Just How Bad It Is

As Harvey stalls over southern Texas, Houston is starting to feel the full impact of his rains. Many parts of the flood-prone city are already under water and numerous water rescues are under way.

Devastating.

https://twitter.com/davideblack/status/901817726750089216

https://twitter.com/maurygarcia92/status/901826208928866305

And the mayor has good advice for those who find themselves in trouble:

FEMA is saying they will be in the area for years helping residents to rebuild and recover.