Twice, the Texas Division of Emergency Management turned down Kerr County's requests for money to improve flood warnings.

State and local officials in Texas have come under scrutiny over the lack of sirens in place to warn people of impending flash flooding.

Sheldon Whitehouse will give his 300th floor speech on climate on Wednesday, less than a week after Congress rolled back clean energy incentives.

A 67-year-old man from Texas died in the Grand Canyon during an extreme heat warning, rangers said. The man was found at about 11:50 a.m. July 8 on the South Kaibab Trail, below Cedar Ridge, the National Park Service said in a news release.

The first weather emergency alert sent by the National Weather Service with urgent language instructing people to "seek higher ground now" was sent at 4:03 a.m. local time.

The once-idyllic RV park – named Guadalupe Keys Resort to evoke the laid-back vibe of the Florida Keys – boasted nine, fully-furnished RVs for rent (each with its own BBQ pit), a small sandy beach shaded by towering cypress trees and lawn chairs for lounging and watching the gentle flow of the Guadalupe.

After deadly floodwaters swept through Central Texas, there are questions about the timeline of weather alerts and possible gaps in the warning system.

Here's what to know about the deadly flooding, the colossal weather system that drove it and ongoing efforts to identify victims.