Texas leads the country in flood deaths. Steep hills, shallow soils and a fault zone have made Hill Country, also called "flash flood alley," one of the state's most dangerous regions.
Climate change is making severe storms worse, heightening the need for the development of advanced forecasting models, but severe storm research is on the chopping block.
Experts said warnings issued in the run-up to this weekend’s flooding were as timely and accurate as possible, but questions about whether the alerts reached people most at risk remain.
At least six states have issued closures or advisories for certain beaches and lakes that have tested positive for above-safe levels of fecal bacteria.
