River gauges, sirens and clear alerts can together help emergency managers anticipate flash floods and communicate life-saving information.

At least 120 people have died and some 173 people remain unaccounted for statewide, nearly a week after flash floods ravaged the Texas Hill Country.

Officials in Texas are facing mounting questions about whether they did enough to get people out of harm’s way before a flash flood swept down the Guadalupe River and killed more than 100 people, including at least 27 children and counselors at an all-girls Christian camp.

When the precipitation intensified in the early morning hours Friday, many people failed to receive or respond to flood warnings at riverside campsites known to be in the floodplain.

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

Officials in Kerr County, Texas — where 27 campers and counselors at a Christian summer camp were killed in catastrophic flooding — had discussed installing a flood warning system

Heavy rain poured over parts of central Texas, dumping more than a month's worth of rain for places like San Angelo.

While most areas will stay dry, those that do get a storm have the potential for localized flooding and wind gusts to 50 mph. Temperatures will range from the low to mid-90s with