Heavy rain poured over the Texas Hill Country on Independence Day, with the flooding causing more than 100 deaths.Here's a timeline of the disaster:Tuesday, July 2On July 2, the Texas Division of Emergency Management said it activated "state emergency response resources in anticipation of increased threats of flooding in parts of West and Central Texas heading into the holiday weekend.

Flash floods in Texas have killed more than 100 people, many of them children. Heavy rains fell quickly in the predawn hours Friday in the Texas Hill Country.

More than 100 people have died in devastating flash floods in Kerr County, Texas. But what caused this extreme weather, and will events like this get more common?