But as the Louisiana parish where he serves as emergency preparedness director faces its own deluge from Tropical Storm Harvey, Gremillion also is advising local residents to stay home if they can.
"Many of you may be wondering what you can do to help folks in Houston and other flooded areas in Texas". A spokesperson for Level 3 Communications told The Register that as of Monday morning, all of its facilities have held up to the storm and despite isolated outages the majority of its network in the region is still able to carry traffic.
Harvey hit Texas on Friday as a Category Four hurricane, tearing down homes and businesses on the Gulf Coast before dumping an "unprecedented" nine trillion gallons of rainfall inland.
A state of emergency has been declared in neighboring Louisiana as well Monday, as officials fear that rain from Harvey will cause flooding there.
Authorities had fielded scores of calls for help throughout the night from people stranded by water. He has also signed disaster proclamations for both cities, which has freed up federal aid for the area.
"We're anticipating over 30,000 people being placed in shelters temporarily to basically stabilize the situation and provide for their care", said Long. SHEA/AFP/Getty Images A Texas National Guardsman carries a resident from her flooded home following Hurricane Harvey August 27, 2017, in Houston, Texas.
Other federal agencies involved in the Harvey response efforts include the National Guard; the Coast Guard, which has performed some 2,000 rescues; and the Department of Health and Human Services, which has 500 people on the ground in Texas and Louisiana with medical equipment and supplies.
US President Donald Trump plans to go to Texas today to survey the storm damage, a White House spokesman said.
Elaine Duke, acting homeland security secretary, warned that the region was "not out of the woods" saying that "life-threatening flooding" would occur over a large proportion of south central and south east Texas in the coming days. "Leave a marking on the roof so helicopter crews can see you", he said, describing the volume of emergency calls as "staggering". Up to a couple feet of rain has fallen, and is forecast to continue for days, across a wide swath of the relatively flat terrain.