A Dallas chef whose daughters once attended Camp Mystic in the Texas hill country has returned to help prepare meals in the aftermath of the flash flooding that has claimed more than 100 lives, including many campers.

A search was underway for more than 160 missing people in the area filled with youth camps as the overall death toll passed 100 on Tuesday.

At least 120 people are dead and 173 are missing in central Texas after the Guadalupe River swelled early Friday, causing destructive flash flooding throughout Kerr County.Now, new before-and-after satellite images of several sites throughout Kerry County show the devastation caused by the floods as crews embark on a seventh day of search and rescue efforts.

Climate change is making heavy rain more common, leading to more flood risk in much of the U.S.

But the science gets murky when they try to determine whether any one storm—or heat wave or drought—was fueled by global warming.