Two tropical storms have led to deadly inland flooding in the United States already this season, underscoring how dangerous water can be.

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: On 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.