Bracing for strong future hurricanes in coastal cities, without knowing patterns [Yahoo News] 12 Sep, 2017

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Live Watch Bracing for strong future hurricanes in coastal cities, without knowing patterns By Meghan Keneally Close Follow on Twitter More from Meghan Sep 12, 2017, 6:15 PM ET 0 Shares Email Star PlayMatt McClain/Getty ImagesWATCH How to protect your home and family during Hurricane Irma 0 Shares Email The devastation left in coastal U.S. cities after Hurricanes Harvey and Irma has many wondering if multiple, high-category hurricanes making landfall will be a "new normal" moving forward, leaving questions about how coastal cities can prepare for future storms. Though scientists are reluctant to say hurricanes will be more frequent moving forward, two experts who spoke to ABC News were confident that the ones that do come will likely be serious. Worries about increasing frequency are not new and the future of hurricane seasons is difficult to predict. "In 2005, we had a flurry of storms and Florida got hit by a number of hurricanes," Rob Young, a coastal geologist from the program for the study of developed shorelines at Western Carolina University, told ABC News. "We wondered if it was the new normal then, and then it got quiet for about 10 years." This year's hurricane season may not be a gauge for future patterns. "I think that it would be a mistake to say that the new normal is that we have three named storms [Hurricanes Irma, Katia and Jose] churning around at the same time and making landfall in the U.S.," Young said. "That would be stretching it.” Brenda Ekwurzel, the director of climate science at the Union of Concerned Scientists, echoed that sentiment. "The past isn’t necessarily a guide," she said, adding that she bristled at the prospect of deeming storms like this summer as a new normal. "We're going into unchartered waters." The strength of future hurricanes, however, is definitely a concern that scientists want to address. "Climate change can make [future hurricanes] stronger and it could be the new normal that more of the storms that form look more like Harvey and Irma than tiny little wimpy storms," Young said. Ekwurzel said humans may have skewed the probabilities on hurricane patterns. "We've increased the odds now that when a hurricane ... is headed to make landfall in the U.S., climate change has loaded the dice and increased the odds that it will land as a major hurricane -- Category 3 or 4 or 5." With those future, strong storms in mind, some cities are working on preventative measures. But the trade-offs that come with some of those ideas may be costly, in many ways. Young pointed to a new study underway in Boston to assess whether a hurricane barrier to protect the city could be built. The projected price tag is estimated around $10 billion. Boston mayor Marty Walsh defended the study after the high cost raised eyebrows. "If we got hit with Harvey we are talking $50 or $60 billion in damage," Walsh said during a Aug. 30 interview on Boston Herald Radio. "Does that $10 billion look crazy anymore?" Young said that there are a host of other options that cities can turn to as solutions, including harder approaches like installing sea walls or more environmentally friendly options like propagating sea grass or geotubes. Reflecting on the possible plan in Boston, Young said that there could also be environmental costs to installing massive barriers. "This option of incredibly expensive, massive engineering is one way to try to protect some urban areas from storms," he said. "But, we probably can’t afford to protect everything that way and, if we did, the environmental impacts are likely to be significant." Young believes one of the solutions is to create less infrastructure instead of more, even in areas that are under reconstruction. "The first and most simple step would be let’s not create any more problems by putting additional infrastructure in those [vulnerable] areas," he said. "Let’s not rebuild non critical infrastructure in those areas." The rebuilding in parts of the New Jersey shore after Hurricane Sandy and the ongoing construction of new high-rise buildings in low-lying areas of Miami Beach in Florida are two examples where that advice is currently being ignored, Young said. A shift in urban planning in hurricane zones that were previously damaged could help, since creating barriers along the entire U.S. coastline is also not realistic. "In order to spend the money wisely, we really need some kind of national vision, some kind of big picture plan," Young said. "The problem right now is we have no national vision, or plan or guidance." While history can’t be the absolute guide, destructive hurricanes can serve as instigators setting change in motion like building codes and urban planning measures. "Hurricane Andrew woke up a lot of people and they did a lot of planning that helped in Hurricane Irma," Ekwurzel told ABC News. Scientists and technology have become better and faster at understanding the movement of hurricanes, which is a positive step. "[The National Oceanic and Atmospheric Association] and others have gotten much better at learning where these hurricanes land. Science investment is paying off," she said. “I think we are saving more lives as a result," Ekwurzel said. "I would like us to do even better.” 0 Shares Email Star Comments Bracing for strong future hurricanes in coastal cities Irma death toll in US rises to 22 as power restored to over 2 million Justices allow Trump administration ban on most refugees Hope Hicks named permanent White House communications director Pelosi, top White House official open on border security DOJ won't bring charges against officers in Gray case St. Thomas regains some services, residents decide whether to rebuild Trump courting Democrats on tax reform CDC investigating infection outbreak it links to puppies from Petland Democrats line up behind Bernie Sanders' single payer plan White House slams Hillary Clinton over attacks in new book Key takeaways from Hillary Clinton's new book, 'What Happened' Cruz says aide inadvertently caused his porn Twitter post Trump to visit Florida on Thursday after Hurricane Irma Unhappy moderate House Republicans complicate 2018 for GOP Hillary Clinton signs copies of new book at NYC bookstore Trump Organization 'still assessing' whether Hurricane Irma damaged properties White House declines to say if climate change may have been a factor in hurricanes Trump administration appeals to Supreme Court on refugee ban GOP leaders are trying to block Trump's populist agenda, Bannon says Trump outreach to Dems unsettling for GOP Hillary Clinton admits her 'most important' blunder that swayed 2016 election Special counsel interested in interviewing top White House aides: Sources 'Worst ever seen': European leaders view devastated islands Investigator: Blood from carport matches slain woman's DNA Tesla's semiautonomous system contributed to fatal crash: Feds Oil to keep flowing, but UN sanctions will hit North Korea hard Pregnant 'teacher of the year' vanishes day before high school starts UC-Berkeley police officer seizes money from food vendor during citation Russia says Syrian government controls 85 percent of country Bangladesh leader visits Rohingya refugees, assures help What police found in Scott Peterson's car after Laci Peterson's body was discovered Mother of Chicago woman found dead in a hotel freezer believes she was murdered Lady Gaga reveals fibromyalgia battle Newton-John on 2nd cancer battle: 'The pain level was really the hardest thing' German court ends Auschwitz trial, cites defendant's health Columbia graduate reunites with teacher who turned his life around JJ Abrams will direct 'Star Wars: Episode IX' Comedian releases novel inspired by his Irish roots Female high school quarterback throws TD on 1st pass in varsity game

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