On Water Street in the City of Kerrville, a memorial wall dedicated to the lives lost in last Friday’s devastating flood is growing.

Over just two hours, the Guadalupe River at Comfort, Texas, rose from hip-height to three stories tall, sending water weighing as much as the Empire State building downstream roughly every minute it remained at its crest. The force of floodwater is often more powerful and surprising than people imagine.

The devastating floods that struck central Texas over the Fourth of July weekend have become one of the deadliest flood events in the U.S. in the past century, Newsweek previously reported. By Sunday evening, authorities had confirmed at least 82 fatalities.

The Guadalupe River flooded on Friday, July 4, impacting cities across Kerr County including Kerrville, Hunt, Ingram, and more, killing at least 27 people . At least 27 children remain missing from Camp Mystic, an all-girls summer camp in Hunt.

President Donald Trump is visiting Texas on Friday to assess catastrophic flooding that has killed at least 120 people.

Newly released satellite images reveal catastrophic damage caused by the Hill Country floods along the Guadalupe River.

More than 100 people were killed and over 160 remained missing as of Tuesday evening after flooding hit Central Texas.

The psychological toll of recovering the bodies of flood victims in Texas is drawing increased attention as the death toll grows.