The Guadalupe River basin had drawn July Fourth weekend revelers to its youth and family campgrounds, RV parks and apartment rentals. But this basin was also prone to flash flooding – and soon an entire summer’s worth of rain would begin to fall.

A search for Texas flood survivors intensified as Texas Governor Greg Abbott issued a disaster declaration for nearly two dozen Texas counties.

Just like during his first stint in the White House, President Donald Trump’s inaugural visit to Texas in his second term will be amid human tragedy.

President Trump said he would visit Texas on July 11 as the state reels after more than 100 people have been confirmed dead in devastating flooding.

ABC News Chief Meteorologist Ginger Zee shares how the fast flood threat developed so quickly and how early people were warned about the dangers.