Experts Link Record Flash Flooding Across U.S. to Slower Storms, Climate Factors

Communities across the United States are grappling with record-breaking flash flooding events this summer, and experts say it’s no coincidence. A combination of climate patterns, slower-moving storms, and environmental changes is driving the trend.

From Texas Hill Country to New York City, flash flooding has surged. New Jersey Governor Phil Murphy noted, “Events like last night... are coming more frequently with more intensity.”

Meteorologists confirm summer is flash flood season due to intense daytime heat fueling thunderstorms. But this year, record levels of atmospheric moisture have been measured in parts of the country, intensifying rainfall.

Energy and climate reporter Alexander Kaufman explains, “These storms move slower due to weaker upper-atmosphere winds, deluging places not designed to handle that amount of precipitation in such a short period.”

In New Mexico, wildfire-scorched landscapes now struggle to absorb rainwater, while droughts in Texas have similarly reduced the land’s ability to handle heavy rainfall. Urban areas aren’t spared either—older drainage systems and paved surfaces lead to fast, overwhelming runoff.

“There’s a growing recognition in financial markets, science, and infrastructure planning that we’re dealing with a much different beast,” Kaufman added.

According to the National Weather Service, more than 3,000 flash flood warnings have been issued nationwide so far this year. That’s the highest count through July 14 since record-keeping began in 1986.

For safety tips, experts recommend staying alert to warnings, never driving through flooded roads, and planning evacuation routes in advance.

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