The heavy rain that turned a river in Texas into a raging wall of water was fueled by unique atmospheric conditions, according to meteorologists and climate scientists.

Texas Hill Country, where much of the flooding took place this time, is often referred to as “flash flood alley.” It's home to steep terrain and a lack of vegetation that creates a perfect storm for waters to rise quickly.

As of Monday, officials report that at least 81 people have lost their lives due to the flash floods that swept through Central Texas. Among the victims are at least 28 children from Kerr County. With people still unaccounted for,