Robert Earl Keen has a personal connection to Kerrville, TX, the site of massive flooding on July 4 that authorities say resulted in the deaths of 111 people, with nearly 170 still unaccounted for at press time.

One Kerrville, Texas business owner is grappling with the reality that her restaurant was almost totally submerged.

In a Sunday afternoon press conference, Kerrville City Manager Dalton Rice indicated for the first time that officials would review their protocols.

The National Weather Service sent alerts fast and furious. It's not clear if everyone heeded them or realized how dangerous the situation would become.

A "Basic Plan" for emergency response for three Texas counties, including Kerr County, labeled flash flooding as "highly likely" to occur, with a "major" impact on public health and safety, according to an ABC News review of a page on the Kerrville city website.

• Texas flood victims: At least 150 people are known to be missing in Kerr County as a result of the flooding in central Texas, according to officials. At least a dozen others are missing in other parts of the state. Authorities said Wednesday that 120 people have died. Read more about the victims.

News Meteorologist Matt Farrell explains the variety of factors that led to historic and deadly flooding in Texas.