Harvey made landfall in Texas on Friday and ravaged the southeast coast before moving back off shore where it has thundered on for days.
It returned to land on Wednesday, arriving on the state lines of Texas and Louisiana at 5am and bringing 10 inches of rain to Louisiana where preparations have been underway for days in anticipation of the deadly storm.
There are 30,000 people in shelters across the state with another 10,000 expected to become displaced.
The NRG stadium which hosted this year’s Superbowl has opened its doors to the needy
30 people are confirmed dead but the official death toll is feared to be significantly higher.
Dams in Houston have failed and water plants are swamped, making drinking water across some counties unsafe.
A midnight to 5am curfew is in place to stop looters and other opportunistic criminals
There are mandatory evacuation orders in places across five different counties.
The cost of the damage by the time the storm has passed is likely to reach $160billion.