HOUSTON, TX - AUGUST 27:  Volunteers and officers from the neiborhood security patrol help to rescue residents and their dogs in the upscale River Oaks neighborhood after it was inundated with flooding from Hurricane Harvey on August 27, 2017 in Houston, Texas. Harvey, which made landfall north of Corpus Christi late Friday evening, is expected to dump upwards to 40 inches of rain in Texas over the next couple of days.  (Photo by Scott Olson/Getty Images)