Texas Floods Show How Climate Change Is Supercharging Rainfall

Deadly floods in Central Texas are offering yet another painful reminder of how Climate change is intensifying extreme weather across the U.S. According to The New York Times’ climate reporter Raymond Zhong, the devastating rainstorms that recently overwhelmed the Guadalupe River were the kind of once-in-a-century events that are now becoming alarmingly routine.

The science is straightforward. As global temperatures rise from fossil fuel emissions, warmer air holds more moisture. This supercharges storms, making rainfalls more intense and unpredictable. In Texas, where extreme weather is already part of life, the effects are being amplified. A storm last Friday caused the Guadalupe River to jump from 3 feet to 34 feet in just 90 minutes. The river’s flow exploded from 95 cubic feet per second to an astonishing 166,000.

Local geography only worsens the situation. In “flash flood alley,” where humid air from the Gulf and Pacific collides with cooler northern air, intense storms are funneled into river valleys at terrifying speeds. According to climate scientist Russ Schumacher, the sheer volume of rain that fell in some areas had less than a 0.1% chance of occurring in any given year.

The National Climate Assessment notes that eastern Texas now sees 20% more days with at least two inches of rain than it did in 1900. And that intensity could rise another 10% by 2036. NOAA is preparing to release updated rainfall estimates next year that finally account for Climate change projections — a critical tool for infrastructure planning. Yet the Trump administration has slashed NOAA’s staff, dismissed climate experts, and proposed eliminating key climate research programs.

If we want a future where cities aren’t drowned by outdated infrastructure and science denial, we need to stop letting politics block progress. Support climate research, fight fossil fuel expansion, and demand that local and federal agencies prepare for a wetter, wilder world.

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