Storm Barry's threat to New Orleans heightened by climate change: scientists

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Storm Barry's threat to New Orleans heightened by climate change: scientists
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Tropical Storm Barry, which is expected to flood New Orleans and threaten lives ...

NEW ORLEANS/WASHINGTON - Tropical Storm Barry, which is expected to flood New Orleans and threaten lives along the Mississippi River, is being fueled by warmth in the Gulf of Mexico that was likely exacerbated by climate change, scientists said on Friday.

“The real increased threat from a warming climate is an atmosphere that’s capable of producing higher intensity precipitation events,” said Jill Trepanier, an expert in extreme climatic and weather events at Louisiana State University. The lower Mississippi has already been running at flood stage for months after the so-called “bomb cyclone” and other storms starting in March that dumped huge volumes of rain on Nebraska, Iowa and Missouri - which flowed down the Mississippi and could further feed moisture to Barry, scientists said..

The city is particularly vulnerable to storms because it is “below sea level, protected by levees and pumping systems that remove rainwater, which cannot drain naturally,” the Environmental Protection Agency said in 2016 on its website, an entry moved to a web archive by the Trump administration., scientists said.

Development in the New Orleans region, a major oil hub, has made the area more vulnerable to storms, with the removal of wetlands which help protect coasts. Trepanier said the city has made some advances to protect against storm surge, but when storms meet river flooding it makes for a “more combined and complicated risk.

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