CNN is tracking updates in maps and charts. Here’s what we know so far about how the disaster unfolded: Thursday, July 3 The National Weather Service issued a flood watch early Thursday ...

How the catastrophic Texas flooding unfolded, in maps and charts By Renée Rigdon, Matt Stiles, Byron Manley, Lou Robinson, Rosa de Acosta, Soph Warnes, Gillian Roberts, Yukari Schrickel and ...