A search for Texas flood survivors intensified as Texas Governor Greg Abbott issued a disaster declaration for nearly two dozen Texas counties.

The Guadalupe River basin had drawn July Fourth weekend revelers to its youth and family campgrounds, RV parks and apartment rentals. But this basin was also prone to flash flooding – and soon an entire summer’s worth of rain would begin to fall.

As floodwaters swept through Kerr County, Texas, including a summer camp where girls went missing, some residents say warnings came too late or never reached them. Tom Fahy of the National Weather Service union joins "CBS Mornings Plus.