Texas hydrologists working with the National Weather Service say they recognized the conditions last Thursday that could lead to catastrophic flooding on the Guadalupe River.And they say, based on past events,

Also: San Antonio mourned the victims in a Travis Park vigil; UTSA said one of its teachers died in the Guadalupe River flood; Kerrville officials said a privately owned drone collided with a helicopter conducting search and rescue operations.

Over 100 people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.