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Here’s The Inconvenient Truth Behind MIT’s Study Linking Hurricane Harvey To Global Warming

Tuesday, November 14, 2017 13:04
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(Before It's News)

Photo: Texas Military Dept‏A new study is making waves in the media, claiming to finally address the question of man-made global warming’s role in Hurricane Harvey’s record-setting rainfall.

Massachusetts Institute of Technology (MIT) professor Kerry Emanuel, a renowned hurricane expert, and his colleagues published their findings on Monday, claiming global warming increased the of risk Hurricane Harvey-level rainfall in southeastern Texas grew since the last century.

There’s one huge caveat: Emanuel didn’t actually study Hurricane Harvey itself.

Instead, Emanuel’s study is based on thousands of climate model runs to find out the odds a storm will bring the amount of rainfall Hurricane Harvey did when it made landfall in late August 2017.

Emanuel told The Daily Caller News Foundation his study didn’t analyze any of the particulars that made Hurricane Harvey so devastating. “Yes indeed … that is the case,” Emanuel told TheDCNF.

Instead, this study models the statistical likelihood of Harvey-level rainfall based on a linear projection of how storms could change under a scenario with massive amounts of global warming.

Hurricane Harvey broke Texas rainfall records when it hit, dumping large amounts of rain over the greater Houston area for about five days. Cedar Bayou, outside Houston, saw nearly 52 inches of rainfall, breaking an all-time U.S. record.

Emanuel concluded there’s “a sixfold increase” in the odds of Harvey-level rainfall pummeling Houston in any given year. Emanuel estimated an 18 percent chance of Harvey-level rainfall by the end of the 21st Century.

At one point, Emanuel noted, “Harvey’s rainfall in Houston was ‘biblical’ in the sense that it likely occurred around once since the Old Testament was written.”

But special circumstances were at play for Hurricane Harvey.

Harvey’s rainfall was only able to break records because it stalled over Texas, blocked by a high-pressure ridge in the west. The high-pressure ridge kept Harvey over Texas longer than it otherwise would have, concentrating rainfall over a smaller area.

“There is no question that the extraordinary magnitude of Harvey’s rain was mostly because it stalled,” Emanuel told TheDCNF.

Media coverage of the study glossed over this inconvenience, with The Washington Post reporting that “Climate change upped the odds of Hurricane Harvey’s extreme rains, study finds.”

The Atlantic ran with the ridiculous headline: “Global Warming Really Did Make Hurricane Harvey More Likely.” Apparently, the writer didn’t read the study itself.

Some climate scientists were quick to blame global warming for Hurricane Harvey’s devastation. Climate scientist Michael Mann said the warmer-than-normal temperature in the Gulf of Mexico gave Harvey more power and allowed it to hold more moisture, but other scientists were quick to shut him down.

So far, scientists have found little to no evidence global warming is having an impact on hurricanes. The National Oceanic and Atmospheric Administration (NOAA) found in March 2017 that it’s “premature to conclude that human activities — and particularly greenhouse gas emissions that cause global warming — have already had a detectable impact on Atlantic hurricane or global tropical cyclone activity.”

Emanuel was one of the scientists who came out linking Harvey’s devastation to global warming. Now, he’s published a study on this.

Studies like this usually take time to get published, but Emanuel “decided to use his status as a member of the National Academies of Science, which let him pick his own peer reviewers, who were likely to be friendly and get the review done quickly,” Ars Technica reported.

That means the “findings probably haven’t faced as rigorous a review as they might have,” Ars Technica reported, but it does show Emanuel is confident in his hurricane modeling, which has already been peer-reviewed. Emanuel’s study was funded, in part, by the National Science Foundation.

Emanuel said he and his colleagues were looking into the atmospheric factors that could be increasing the likelihood of Hurricane Harvey-like events.

“Early results indicate that some of it comes from increased moisture in a warmer atmosphere but some also arise from the increased probability of storms stalling because of weak atmospheric flow. Hope to have some concrete results before long,” he said.

Read more at Daily Caller



Source: https://climatechangedispatch.com/heres-the-inconvenient-truth-behind-mits-study-linking-hurricane-harvey-to-global-warming/

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  • raburgeson

    MIT is a government recruiting office, the are about as predictable as main stream media. It is a fact that all colleges and universities are pushing subversive views right now. It’s not just Berkeley. The students in collages right now have been brought up on deep state propaganda. This is the so called smartest of the lot.

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