KERRVILLE, Texas (AP) — Over the last decade, an array of Texas state and local agencies missed opportunities to fund a flood warning system intended to avert a disaster like the one that killed dozens of young campers and scores of others in Kerr County on the Fourth of July.

Emergency officials are starting to focus on alert systems as they search for answers about how the flash flooding swept away so many.

Over 100 people have died in the Texas flooding as of Tuesday. Here are answers to commonly asked questions from USA TODAY readers.